Arizona Department of Water Resources April 2010 ARIZONA WATER ATLAS Volume 8 Active Management Area Planning Area ACKNOWLEDGEMENTS Herbert Guenther Director, Arizona Department of Water Resources Karen Smith Deputy Director, Arizona Department of Water Resources Tom Carr Assistant Director, Statewide Water Conservation and Strategic Planning Sandra Fabritz-Whitney Assistant Director, Water Management Atlas Team Linda Stitzer, Rich Burtell – Project Managers Phyllis Andrews Carol Birks Kelly Mott Lacroix Joe Stuart Major Contributors John Fortune Leslie Graser William H. Remick Saeid Tadayon-USGS Other Contributors Patrick Brand Matt Beversdorf Jenna Gillis Roberto Chavez Pam Nagel (Volume 8) Laura Grignano (Volume 8) Kenneth Seasholes (Volume 8) Mark Preszler Larri Tearman Jeff Tannler (Volume 8) Dianne Yunker Climate Gregg Garfin - CLIMAS, University of Arizona Ben Crawford - CLIMAS, University of Arizona Casey Thornbrugh - CLIMAS, University of Arizona Michael Crimmins – Department of Soil, Water and Environmental Science, University of Arizona The Atlas is wide in scope and it is not possible to mention all those who helped at some time in its production, both inside and outside the Department. Our sincere thanks to those who willingly provided data and information, editorial review, production support and other help during this multi-year project. Special note about the Atlas Team Completion of the Atlas would not have been possible without the dedicated professionals that compose the Atlas Team. Most have been involved with the project from its inception in 2003 and their contributions to the success of the project cannot be overstated. Arizona Water Atlas Volume 8 Contents Preface Section 8.0 Overview of the AMA Planning Area 8.0.1 Geography  8.0.2 Hydrology  Groundwater Hydrology Surface Water Hydrology 8.0.3 Climate 8.0.4 Environmental Conditions Vegetation Arizona Water Protection Fund Programs Instream Flow Claims Threatened and Endangered Species National Parks, Monuments, Wildlife Refuges and Wilderness Areas 8.0.5 Population Population Growth and Water Use Local Initiatives 8.0.6 Water Supply Central Arizona Project Water  Surface Water  Groundwater Effluent  Contamination Sites 8.0.7 Cultural Water Demand Tribal Water Demand Municipal Demand Agricultural Demand Industrial Demand 8.0.8 Water Resource Issues in the AMA Planning Area Residual (Allowable) Groundwater Pumping and Management Goals Access to Renewable Water Supplies Legal Differences Between Groundwater and Non-Groundwater  Environmental Protection Local (Critical) Area Management Salinity 8.0.9 AMA Water Resource Characteristics REFERENCES Section 8.1 Water Resource Characteristics of thePhoenix AMA 8.1.1 Geography of the Phoenix AMA 8.1.2 Land Ownership in the Phoenix AMA 1 3 4 5 5 16 23 27 27 32 32 33 36 38 40 45 46 46 48 54 58 59 61 64 68 78 84 87 87 87 89 89 89 89 90 93 101 102 104 i Arizona Water Atlas Volume 8 8.1.3 Climate of the Phoenix AMA 8.1.4 Surface Water Conditions in the Phoenix AMA 8.1.5 Perennial/Intermittent Streams and Springs in the Phoenix AMA 8.1.6 Groundwater Conditions of the Phoenix AMA 8.1.7 Water Quality Exceedences and Contamination Sites in the Phoenix AMA 8.1.8 Cultural Water Demands in the Phoenix AMA 8.1.9 Assured Water Supply Determinations in the Phoenix AMA References and Supplemental Reading  Section 8.2 Water Resource Characteristics of the Pinal AMA 8.2.1 Geography of the Pinal AMA 8.2.2 Land Ownership in the Pinal AMA 8.2.3 Climate of the Pinal AMA 8.2.4 Surface Water Conditions in the Pinal AMA 8.2.5 Perennial/Intermittent Streams and Springs in the Pinal AMA 8.2.6 Groundwater Conditions of the Pinal AMA 8.2.7 Water Quality Exceedences and Contamination Sites in the Pinal AMA 8.2.8 Cultural Water Demands in the Pinal AMA 8.2.9 Assured Water Supply Determinations in the Pinal AMA References and Supplemental Reading 107 112 124 127 148 169 176 206 212 213 215 218 221 226 229 244 254 259 266 Section 8.3 Water Resource Characteristics of the Prescott AMA 8.3.1 Geography of the Prescott AMA 8.3.2 Land Ownership in the Prescott AMA 8.3.3 Climate of the Prescott AMA 8.3.4 Surface Water Conditions in the Prescott AMA 8.3.5 Perennial/Intermittent Streams and Springs in the Prescott AMA 8.3.6 Groundwater Conditions of the Prescott AMA 8.3.7 Water Quality Exceedences and Contamination Sites in the Prescott AMA 8.3.8 Cultural Water Demands in the Prescott AMA 8.3.9 Assured Water Supply Designations in the Prescott AMA References and Supplemental Reading 294 300 305 309 Section 8.4 Water Resource Characteristics of the Santa Cruz AMA 8.4.1 Geography of the Santa Cruz AMA 8.4.2 Land Ownership in the Santa Cruz AMA 8.4.3 Climate of the Santa Cruz AMA 8.4.4 Surface Water Conditions in the Santa Cruz AMA 8.4.5 Perennial/Intermittent Streams and Springs in the Santa Cruz AMA 316 317 319 321 324 329 ii 270 271 273 275 278 283 286 Arizona Water Atlas Volume 8 8.4.6 Groundwater Conditions of the Santa Cruz AMA 8.4.7 Water Quality Exceedences and Contamination Sites in the Santa Cruz AMA 8.4.8 Cultural Water Demands in the Santa Cruz AMA 8.4.9 Assured Water Supply Determinations in the Santa Cruz AMA References and Supplemental Reading Section 8.5 Water Resource Characteristics of the Tucson AMA 8.5.1 Geography of the Tucson AMA 8.5.2 Land Ownership in the Tucson AMA 8.5.3 Climate of the Tucson AMA 8.5.4 Surface Water Conditions in the Tucson AMA 8.5.5 Perennial/Intermittent Streams and Springs in the Tucson AMA 8.5.6 Groundwater Conditions of the Tucson AMA 8.5.7 Water Quality Exceedences and Contamination Sites in the Tucson AMA 8.5.8 Cultural Water Demands in the Tucson AMA 8.5.9 Assured Water Supply Determinations in the Tucson AMA References and Supplemental Reading 331 337 342 346 351 356 357 359 362 365 374 377 391 403 408 421 ACRONYMS AND ABBREVIATIONS 427 Appendix A: Arizona Water Protection Fund Projects in the AMA Planning Area through FY 2008 432 Appendix B: Central Arizona Project Subcontracts 436 Appendix C: Surface Water Right and Adjudication Filings 450 iii Arizona Water Atlas Volume 8 FIGURES Figure 8.0-2 Figure 8.0-3 Figure 8.0-4 Figure 8.0-5 Figure 8.0-6 Figure 8.0-7 Figure 8.0-8 Figure 8.0-9 Figure 8.0-10 Figure 8.0-11 Figure 8.0-12 Figure 8.0-13 Figure 8.0-14 Figure 8.0-15 Figure 8.0-16 Figure 8.0-17 Figure 8.0-18 Figure 8.0-19 Figure 8.0-20 Figure 8.0-21 Figure 8.0-22 Figure 8.0-23 Figure 8.1-1 Figure 8.1-2 Figure 8.1-3 Figure 8.1-4A Figure 8.1-4B Figure 8.1-5 Figure 8.1-6 Figure 8.1-6A Figure 8.1-6B Active Management Area Planning Area 3 Physiographic Regions of Arizona 4 Surface Geology of the AMA Planning Area  6 AMA USGS Watersheds 17 Average monthly temperature from 1952-2007 in the AMA Planning Area 23 Average monthly precipitation from 1948-1952 to 2006-2007 in the AMA Planning Area 24 Annual percent of average precipitation from 1960-2007 in the AMA Planning Area 25 Average annual temperature measured between 1960 and 2007 in the AMA Planning Area 26 Average Daily Minimum June, July and August temperature measured between 1960 and 2007 in the AMA Planning Area 27 AMA Planning Area Biotic Communities and Ecoregions 28 Location of Major Wildfires in the AMA Planning Area 2002-2006 32 AMA Planning Area Instream Flow Applications 34 AMA Planning Area Protected Areas 37 Average Annual Water Supply Utilized in the AMA Planning Area 2001-2005 46 Central Arizona Project System Map 47 Profile View of SRP Salt and Verde Reservoir System 49 Water Stored on May 1st in SRP Reservoirs on the Verde and Salt Rivers, 1980-2009 50 AMA Registered Wells and Surface Water Diversion Points 55 Average AMA Water Demand by Sector and Water Source During 2001-2005 62 City of Nogales, Arizona Water Use and Border Crossings, 1996-2006 76 Large Irrigation Districts in the AMA Planning Area 80 Average Agricultural Water Supplies Used in the AMA Planning Area 2001-2005 81 Phoenix AMA Geographic Features 103 Phoenix AMA Land Ownership 106 Phoenix AMA Meteorological Stations and Annual Precipitation 111 Phoenix AMA, East Valley Area Surface Water Conditions 122 Phoenix AMA, West Valley Area Surface Water Conditions 123 Phoenix AMA Perennial/Intermittent Streams and Major (>10 gpm) Springs 126 Phoenix AMA Groundwater Conditions 129 East Salt River Valley, Fountain Hills & Carefree Sub-basins Groundwater Conditions 130 Hassayampa Sub-basin Groundwater Conditions 131 iv Arizona Water Atlas Volume 8 Figure 8.1-6C Figure 8.1-6D Figure 8.1-7 Figure 8.1-8 Figure 8.1-9 Figure 8.1-10 Figure 8.1-10A Figure 8.1-11 Figure 8.1-11A Figure 8.1-12 Figure 8.1-13A Figure 8.1-13B Figure 8.2-1 Figure 8.2-2 Figure 8.2-3 Figure 8.2-4 Figure 8.2-5 Figure 8.2-6 Figure 8.2-6A Figure 8.2-6B Figure 8.2-7 Figure 8.2-8 Figure 8.2-9 Figure 8.2-10 Figure 8.2-11 Figure 8.2-12 Figure 8.2-13 Figure 8.3-1 Figure 8.3-2 Figure 8.3-3 Figure 8.3-4 Figure 8.3-5 Figure 8.3-6 Figure 8.3-7 Figure 8.3-8 Figure 8.3-9 Figure 8.3-10 Figure 8.3-11 Rainbow Valley Sub-basin Groundwater Conditions 132 West Salt River Valley/Lake Pleasant Sub-basins Groundwater \ Conditions 133 Phoenix AMA Hydrographs 134 Phoenix AMA Well Yields 142 Phoenix AMA Recharge Sites 147 Phoenix AMA Water Quality Conditions 160 Phoenix AMA Impaired Lakes & Streams 161 Phoenix AMA Contamination Sites 166 Central Phoenix AMA Contamination Sites 167 Phoenix AMA Cultural Water Demands 175 Phoenix AMA East Valley Assured Water Supply Determinations 204 Phoenix AMA West Valley Assured Water Supply Determinations 205 Pinal AMA Geographic Features 214 Pinal AMA Land Ownership 217 Pinal AMA Meteorological Stations and Annual Precipitation 220 Pinal AMA Surface Water Conditions 225 Pinal AMA Perennial/Intermittent Streams and Major (>10 gpm) Springs 228 Pinal AMA Groundwater Conditions 231 Maricopa-Stanfield/Vekol Valley Sub-basins Groundwater Conditions 232 Eloy Sub-basin Groundwater Conditions 233 Pinal AMA Hydrographs 234 Pinal AMA Well Yields 240 Pinal AMA Recharge Sites 243 Pinal AMA Water Quality Conditions 250 Pinal AMA Contamination Sites 253 Pinal AMA Cultural Water Demand 258 Pinal AMA Assured Water Supply Determinations 265 Prescott AMA Geogrpahic Features 272 Prescott AMA Land Ownership 274 Prescott AMA Meteorological Stations and Annual Precipitation 277 Prescott AMA Surface Water Conditions 282 Prescott AMA Perennial/Intermittent Streams and Major (>10 gpm) Springs 285 Prescott AMA Groundwater Conditions 288 Prescott AMA Hydrographs 289 Prescott AMA Well Yields 291 Prescott AMA USF Recharge Facilities 293 Prescott AMA Water Quality Conditions 297 Prescott AMA Contamination Sites 299 v Arizona Water Atlas Volume 8 Figure 8.3-12 Figure 8.3-13 Figure 8.4-1 Figure 8.4-2 Figure 8.4-3 Figure 8.4-4 Figure 8.4-5 Figure 8.4-6 Figure 8.4-7 Figure 8.4-8 Figure 8.4-9 Figure 8.4-10 Figure 8.4-11 Figure 8.4-12 Figure 8.5-1 Figure 8.5-2 Figure 8.5-3 Figure 8.5-4 Figure 8.5-5 Figure 8.5-6 Figure 8.5-6A Figure 8.5-6B Figure 8.5-7 Figure 8.5-8 Figure 8.5-9 Figure 8.5-10 Figure 8.5-11 Figure 8.5-12 Figure 8.5-13 Figure C-1 Figure C-2 Prescott AMA Cultural Water Demand  Prescott AMA Assured Water Supply Determinations Santa Cruz AMA Geographic Features Santa Cruz AMA Land Ownership Santa Cruz AMA Meteorological Stations and Annual Precipitation Santa Cruz AMA Surface Water Conditions Santa Cruz AMA Perennial/Intermittent Streams and Major (>10 gpm) Springs Santa Cruz AMA Groundwater Conditions Santa Cruz AMA Hydrographs Santa Cruz AMA Well Yields Santa Cruz AMA Water Quality Conditions Santa Cruz AMA Contamination Sites Santa Cruz AMA Cultural Water Demand Santa Cruz AMA Assured Water Supply Determinations Tucson AMA Geographic Features Tucson AMA Land Ownership Tucson AMA Meteorological Stations and Annual Preiptiation Tucson AMA Surface Water Conditions Tucson AMA Perennial/Intermittent Streams and Major (>10 gpm) Springs Tucson AMA Groundwater Conditions Tucson AMA Avra Valley Sub-basin Groundwater Conditions Upper Santa Cruz Sub-basin Groundwater Conditions Tucson AMA Hydrographs Tucson AMA Well Yields  Tucson AMA Recharge Sites Tucson AMA Water Quality Conditions Tucson AMA Contamination Sites Tucson AMA Cultural Water Demand Tucson AMA Assured Water Supply Determinations General Stream Adjudications in Arizona Registered Wells and Surface Water Diversion Points in Arizona vi 303 308 318 320 323 328 330 333 334 336 339 341 345 350 358 361 364 373 376 379 380 381 383 387 390 397 402 407 420 453 455 Arizona Water Atlas Volume 8 TABLES Table 8.0-1 Table 8.0-2 Table 8.0-3 Table 8.0-4 Table 8.0-5 Table 8.0-6 Table 8.0-7 Table 8.0-8 Table 8.0-9 Table 8.0-10 Table 8.0-11 Table 8.0-12 Table 8.0-13 Table 8.0-14 Table 8.0-15 Table 8.0-16 Table 8.0-17 Table 8.1-1 Table 8.1-2 Table 8.1-3 Table 8.1-4 Table 8.1-5 Table 8.1-6 Table 8.1-7 Table 8.1-8 Table 8.1-9 Table 8.1-10 Table 8.1-11 Table 8.1-12 Table 8.2-1 Table 8.2-2 Instream flow claims in the AMA Planning Area as of 12/2008 Listed threatened and endangered species in the AMA Planning Area Wilderness areas in the AMA Planning Area 2000 Census population of AMAs and Indian reservations Communities in AMAs with a census population greater than 1,000 (listed by 2000 population) Designated water providers in the AMA Planning Area as of 12/2008 Assured Water Supply determinations in the AMA Planning Area as of 06/2008 Inventory of surface water right and adjudication filings in the AMA Planning Area Active contamination sites in the AMA Planning Area Average AMA water demand by sector and water source (Indian and Non-Indian) during 2001-2005 in acre-feet Tribal water supply and demand in the Active Management Areas Average annual municipal water demand in the AMA Planning Area in acre-feet (2001-2005) Water providers serving a minimum of 1,000 acre-feet of water annually (excluding effluent) in the AMA Planning Area Water use by golf courses in 20061 Large untreated water providers in the Active Management Areas Average annual agricultural demand in the AMA Planning Area (excluding Indian demand) Average annual industrial demand in the AMA Planning Area (excluding Indian demand) Climate Data in the Phoenix AMA Streamflow Data for the Phoenix AMA Flood ALERT Equipment in the Phoenix AMA Reserviors and Stockponds in the Phoenix AMA Springs in the Phoenix AMA Groundwater Data for the Phoenix AMA Underground Storage Facilities in the Phoenix AMA Water Quality Exceedences in the Phoenix AMA Contamination Sites in the Phoenix AMA Cultural Water Demands in the Phoenix AMA Effluent Generation in the Phoenix AMA Assured Designations in the Phoenix AMA Climate Data for the Pinal AMA Streamflow Data for the Pinal AMA 33 35 39 40 41 43 44 54 60 63 65 69 70 71 72 79 85 108 113 116 121 125 128 143 149 162 170 171 177 219 222 vii Arizona Water Atlas Volume 8 Table 8.2-3 Flood ALERT Equipment in the Pinal AMA Table 8.2-4 Reservoirs and Stockponds in the Pinal AMA Table 8.2-5 Springs in the Pinal AMA Table 8.2-6 Groundwater Data for the Pinal AMA Table 8.2-7 Underground Storage Facilities in the Pinal AMA Table 8.2-8 Water Quality Exceedneces in the Pinal AMA Table 8.2-9 Contamination Sites in the Pinal AMA Table 8.2-10 Cultural Water Demands in the Pinal AMA Table 8.2-11 Effluent Generation in the Pinal AMA Table 8.3-1 Climate Data for the Prescott AMA Table 8.3-2 Streamflow Data for the Prescott AMA Table 8.3-3 Flood ALERT Equipment in the Prescott AMA Table 8.3-4 Reserviors and Stockponds in the Prescott AMA Table 8.3-5 Springs in the Prescott AMA Table 8.3-6 Groundwater Data for the Prescott AMA Table 8.3-7 Underground Storage Facilities in the Prescott AMA Table 8.3-8 Water Quality Exceedences in the Prescott AMA Table 8.3-9 Contamination Sites in the Prescott AMA Table 8.3-10 Cultural Water Demand in the Prescott AMA Table 8.3-11 Effluent Generation in the Prescott AMA Table 8.3-12 Assured Water Supply Determinations in the Prescott AMA Table 8.4-1 Climate Data for the Santa Cruz AMA Table 8.4-2 Streamflow Data in the Santa Cruz AMA Table 8.4-3 Flood ALERT Equipment in the Santa Cruz AMA Table 8.4-4 Reservoirs and Stockponds in the Santa Cruz AMA Table 8.4-5 Springs in the Santa Cruz AMA Table 8.4-6 Groundwater Data for the Santa Cruz AMA Table 8.4-7 Water Quality Exceedences in the Santa Cruz AMA Table 8.4-8 Contamination Sites in the Santa Cruz AMA Table 8.4-9 Cultural Water Demand in the Santa Cruz AMA Table 8.4-10 Effluent Generation in the Santa Cruz AMA Table 8.4-11 Assured Determinations in the Santa Cruz AMA Table 8.5-1 Climate Data for the Tucson AMA Table 8.5-2 Streamflow Data for the Tucson AMA Table 8.5-3 ALERT Equipment in the Tucson AMA Table 8.5-4 Reserviors and Stockponds in the Tucson AMA Table 8.5-5 Springs in the Tucson AMA Table 8.5-6 Groundwater Data for the Tucson AMA Table 8.5-7 Underground Storage Facilities in the Tucson AMA Table 8.5-8 Water Quality Exceedences in the Tucson AMA Table 8.5-9 Contamination Sites in the Tucson AMA Table 8.5-10 Cultural Water Demand in the Tucson AMA Table 8.5-11 Effluent Generation in the Tucson AMA Table 8.5-12 Assured Water Supply Data for the Tucson AMA Table C-1 Count of Surface Water Right and Adjudication Filings by Planning Area viii 223 224 226 230 241 245 251 255 256 276 279 280 281 284 287 292 295 298 301 302 305 322 325 326 327 329 332 338 340 343 344 347 363 366 368 371 375 378 388 392 398 404 405 409 454 Arizona Water Atlas Volume 8 ARIZONA WATER ATLAS VOLUME 8 – ACTIVE MANAGEMENT AREA PLANNING AREA Preface Volume 8, the Active Management Area (AMA) Planning Area, is the eighth in a series of nine volumes that comprise the Arizona Water Atlas. The primary objectives in assembling the Atlas are to present an overview of water supply and demand conditions in Arizona, to provide water resource information for planning and resource development purposes and help to identify the needs of communities. 1980 upon enactment of the Groundwater Code (Code) (A.R.S. §§ 45-401 et seq.). In 1994, the Arizona legislature established the Santa Cruz AMA, which had previously been the southeast portion of the Tucson AMA. This legislation recognized the international water management issues facing this area, and that its hydrology required coordinated management of surface water and groundwater. The Atlas divides Arizona into seven planning areas (Figure 8.0-1). There is a separate Atlas volume for each planning area, an introductory/executive summary volume and a resource evaluation volume that examines resource sustainability. “Planning areas” are an organizational concept that provide for a regional perspective on supply, demand and water resource issues. A complete discussion of Atlas organization, purpose and scope is found in Volume 1. Also included in Volume 1 is general background information for the state, a description of data sources and methods of analysis for the tables and maps presented in the Atlas, and appendices that provide information on water law, management and programs, and Indian water rights claims and settlements. The AMAs include most of the state’s largest urbanized areas, and water use is subject to an extensive regulatory framework. As a result, water supply and demand data within AMAs is often more detailed and comprehensive than outside the AMAs, and unique legal and regulatory complexities exist. By adhering to the standardized Atlas format, Volume 8 provides an important overview of the AMAs and allows for direct comparison with the rest of the state. However, this volume does not include extensive data analysis and is not an exhaustive compilation of information relevant to the AMAs. To the extent practical, the organization and content of this volume of the Atlas mirrors the six other planning areas. However, readers should be aware that the overall scope of this document differs in some important ways. Five AMAs have been designated in the state as requiring specific, mandatory management practices to preserve and protect groundwater supplies for the future. Four AMAs - Phoenix, Pinal, Prescott and Tucson - were established in This volume of the Atlas is the first document of a larger AMA planning effort that includes an AMA Assessment and Fourth Management Plan for each AMA. The AMA Assessment includes a compilation of historic data, including detailed water budgets; future scenario development; and obstacles to achieving safe-yield, notably issues related to achievement of the statutory management goals for each AMA. The AMA Assessment is intended to provide an analytical foundation for the development and promulgation of Fourth Management Plans (A.R.S. §§ 45-561 et seq.). The management plans include mandatory regulatory provisions that apply to Section 8.0 Overview 1 Arizona Water Atlas Volume 8 2 Section 8.0 Overview Arizona Water Atlas Volume 8 each water use sector within an AMA. These provisions do not apply to tribal users. 8.0 Overview of the AMA Planning Area The AMA Planning Area is composed of five More detailed data for the AMAs are also available groundwater basins located in the central and by contacting the Arizona Department of Water south central parts of the state. (Figure 8.0-2) The Resources (Department). AMAs, established pursuant to the 1980 Groundwater Management Act, include the Santa Cruz AMA, the Tucson AMA, the Pinal AMA, the Phoenix AMA, and the Prescott AMA. The AMAs are located in portions of Santa Cruz, Pima, PiFigure 8.0-2 Active Management Area Planning Area nal, and Maricopa counties as well as the central portion of Yavapai County. There are seven Indian reservations within the planning area including the Tohono O’odham (consisting of three reservations in the planning area), Pascua Yaqui, Ak-Chin, Gila River, Fort McDowell Yavapai, Salt River PimaMaricopa and the Yavapai-Prescott. In 2006, just over 82% of the state’s 6.2 million inhabitants lived in the planning area. In 2005, AMA populations ranged from approximately 47,200 residents in the Santa Cruz AMA to over 3,650,000 residents in the Phoenix AMA. In 2006 the Arizona Department of Commerce estimated that the state’s population would be approximately 10,348,000 by 2030 and would likely double by 2050 to over 12.8 million people. The majority of this growth will occur in the AMA Planning Area. Between 2001-2005 an average of 3,659,480 acre-feet of water was used annually in the planning area for agricultural, municipal and industrial purposes (cultural water demand). Of this total demand, approximately 43% was met with groundwater supplies, 32% was met with Central Arizona Project (CAP) water, 21% was met with surface water and 4% was met with effluent or reclaimed water. During Section 8.0 Overview 3 Arizona Water Atlas Volume 8 this time-period agriculture was the largest use sector in the planning area with an average annual demand of approximately 2,153,900 acre-feet or 59% of the total planning area demand. Municipal sector demand averaged about 1,273,100 acre-feet per year (AFA) (35%) and industrial sector demand averaged about 232,480 AFA (6%). 8.0.1 Geography The AMA Planning Area covers approximately 14,700 square miles and stretches continuously from the international border through central Arizona to the northern boundary of Maricopa County. The most northern AMA, the Prescott AMA, is discontiguous from the other four AMAs (Figure 8.0-2) and is within the boundaries of the Central Highlands Planning Area, which borders the Phoenix AMA on the north. The planning area is located between the Southeastern Arizona Planning Area on the east and the Lower Colorado River Planning Area on the west and includes portions of six watersheds, which are discussed in section 8.0-2, Surface Water Hydrology. Most of the AMA Planning Area is located in the Basin and Range physiographic province, which is characterized by broad, gently sloping alluvial basins separated by north to northwest trending fault-block mountains (Figure 8.0-3). The Prescott AMA and a small portion of the Phoenix AMA lie within the Central Highlands transition zone, which is characterized by a band of mountains of igneous, metamorphic, and sedimentary rocks. Because of its geographic extent and location in the state, the planning area exhibits a wide range of geographic features, from low elevation, broad, semi-arid Sonoran desert valleys to mountain ranges with summits over 9,000 feet. The topographic variability results in broad variations in the amount of precipitation, temperature range and vegetation type. 4 At approximately 485 square miles in area, the Prescott AMA is the smallest AMA basin and has the highest average elevation, ranging from 4,400 feet in the valleys to approximately 7,800 feet in the Bradshaw Mountains. The AMA is characterized by rolling topography, broad sloping alluvial basins and fault block mountains (see Figure 8.3-1). Streamflow in surface drainages are primarily ephemeral or intermittent. The Santa Cruz AMA is approximately 716 square miles in area. It lies adjacent to the international border and its major drainage, the Santa Cruz River, flows from Mexico into the basin. The AMA is characterized by the relatively narrow river drainage flanked by hills and higher elevation mountains on its northern, eastern and western boundaries. Elevations range from 3,000 feet where the Santa Cruz River exits the basin to over 9,400 feet in the Santa Rita Mountains (see Figure 8.4-1). Figure 8.0-3 Physiographic Regions of Arizona Data source: Fenneman and Johnson, 1946 Section 8.0 Overview Arizona Water Atlas Volume 8 North and west of the Santa Cruz AMA, the Tucson AMA is approximately 3,866 square miles in area with two major, parallel alluvial valleys, the Upper Santa Cruz in the east and the Avra and Altar valleys in the west. The Santa Cruz River drains the Upper Santa Cruz Valley and is the major drainage in the AMA. Mountain ranges form the eastern and southern borders of the AMA. These “sky islands” are relatively isolated ranges separated by valleys that are part of a unique complex of mountains that are also found in northern Mexico and New Mexico (Warshall, 2006). The Tucson AMA has the widest elevational range of any of the AMAs with elevations ranging from 1,770 feet north of Picacho Peak, to over 9,400 feet in the Santa Rita Mountains (see Figure 8.5-1). important water supply for the area. Elevations range from 755 feet where the Gila River exits the basin to almost 5,900 feet in the New River Mountains on the northern basin boundary (see Figure 8.1-1). 8.0.2 Hydrology1 Groundwater Hydrology With the exception of the Prescott AMA, a large portion of the AMA planning area is located in what Anderson, and others (1992) categorized as the Central basins. Stream alluvial deposits and upper basin fill are the principal water bearing sediments in these basins (see Figure 8.0-4). The Central basins are characterized by relatively small to moderate amounts of The Pinal AMA is located to the north and west mountain-front recharge, streamflow infiltration of the Tucson AMA, and at 4,100 square miles in and significant underflow in and out of the basins. area, is the second largest basin in the planning Groundwater flows tend to move inward from area. It is characterized by broad, alluvial the edges of the basin and higher elevations and Sonoran desert valleys and mid-elevation north then downstream towards the outflow portion of to northwest trending fault-block mountains. the basin. The Gila River flows east to west in the northern part of the basin while the Santa Cruz River The Prescott AMA is located in what Anderson, enters the basin from the southeast, flowing and others (1992) categorized as the Highland primarily ephemerally toward the northwest. basins. Highland basins consist of basin fill and Elevations range from about 1,000 feet where alluvium deposits, similar to the Central basins; the Gila River and Santa Cruz River exit the however, due to their discontinuous nature, basin in the northwest to over 6,800 feet at Kitt relatively little or no underflow occurs between Peak at the southern basin boundary (see Figure basins. As shown in Figure 8.0-4, much of this basin is covered by sedimentary and volcanic 8.2-1). rocks. Recharge occurs from surrounding The Phoenix AMA is the largest AMA basin consolidated rock and inflow from stream at approximately 5,646 square miles and is infiltration. characterized by Sonoran desert valleys that are generally from 1,000 to 2,500 feet above The central AMAs (Phoenix, Pinal and Tucson) mean sea level, surrounded by mid-elevation contain relatively deep alluvial aquifers and mountain ranges. The basin is drained by five significant volumes of water in storage. Howmajor rivers, the Salt, Gila, Verde, Agua Fria and ever, since aquifer recharge rates are relatively Hassayampa. The state’s most important water low and pumping volumes large, the aquifers producing watersheds, the Salt and the Verde, have been in an overdraft condition. Within an converge in the Phoenix AMA, representing an AMA, overdraft is defined as a condition where 1 Except as noted, much of the information in this section is taken from the Arizona Water Resources Assessment, Volume II (ADWR, 1994) and the Third Management Plans (TMP) for the AMAs (ADWR, 1999a). Section 8.0 Overview 5 Arizona Water Atlas Volume 8 Figure 8.0-4 Surface Geology of the AMA Planning Area (Based on Reynolds, 1988) condition. In the Santa Cruz AMA a close interrelationship exists between water levels in the stream alluvium along the Santa Cruz River, and precipitation and drought events. The Santa Cruz AMA is in a safe-yield condition. (Erwin, 2007) All of the AMAs, with the exception of the Santa Cruz AMA, contain sub-basins: two in the Prescott AMA, seven in the Phoenix AMA, five in the Pinal AMA, and two in the Tucson AMA. Characteristics of each basin and subbasin are described individually below. groundwater is pumped in excess of safe-yield. The definition of safe-yield is, “to achieve and thereafter maintain a long-term balance between the annual amount of groundwater withdrawn in an active management area and the annual amount of natural and artificial groundwater recharge in an active management area.” A.R.S. § 45-561(12). The Prescott AMA aquifers are more discontinuous and less extensive than the large basin-fill aquifers of the central AMAs. As with the central AMAs, the Prescott AMA is in an overdraft 6 Central Basins Phoenix AMA The primary source of groundwater in the Phoenix AMA is basinfill sediments. Three distinct water bearing units are identified in most of the sub-basins in the AMA: an upper alluvial unit, a middle finegrained unit, and a lower conglomerate unit. Although conditions and circumstances vary across the AMA, most groundwater is pumped from the middle unit. Bedrock, consisting of metamorphic and igneous rock, underlies the basin-fill sediments and is not considered an aquifer. Groundwater occurs under generally unconfined conditions throughout most of the AMA. Depth to water ranges from just below land surface (bls) to more than 800 feet bls. Section 8.0 Overview Arizona Water Atlas Volume 8 There are seven groundwater sub-basins in the Phoenix AMA: East Salt River Valley (ESRV), West Salt River Valley (WSRV), Hassayampa, Rainbow Valley, Fountain Hills, Lake Pleasant, and Carefree. (Figure 8.1-6) Each sub-basin has its own unique hydrogeologic characteristics, discussed below. Groundwater recharge is from mountain front and stream channel recharge. Groundwater inflow into the AMA occurs as groundwater flows north from the Pinal AMA into the ESRV, and from the north and east. Groundwater exits the basin at Gillespie Dam where the Gila River exits the AMA. In general, between 1991-’92 and 2002-’03, water levels rose in the eastern Groundwater flow directions are shown on Fig- part of the AMA, declined in the central part and ure 8.1-6. In several areas, historic flow direc- were stable or rose or declined slightly in the tions have been altered by well pumping. Prior western part of the AMA (Figure 8.1-6). Well to extensive pumping, groundwater flowed yields throughout the AMA are generally high, primarily from the ESRV to the WSRV along with median values of over 1,400 gpm reported or toward the Salt and Gila Rivers, exiting the (Table 8.1-6). AMA near Gillespie Dam. By 1964, a regional groundwater depression had formed in the Groundwater quality is generally suitable for WSRV sub-basin east of the White Tank Moun- most uses, but 68 groundwater contamination tains, redirecting flow in the sub-basin to the sites associated with industrial and other acdepression (Rascona, 2005). By 1983, agricul- tivities have been identified in the AMA (Table tural pumping had produced localized ground- 8.1-9, Figure 8.1-11). Volatile Organic Comwater depressions throughout the AMA (Reeter pounds (VOCs) are the most common contamiand Remick, 1986). A groundwater divide now nant at these sites. In addition, over 1,500 meaexists in the southwest quarter of Township 1N, surements have been made of parameter conRange 4E that severs the hydraulic connec- centrations that have equaled or exceeded drinktion between the ESRV and WSRV sub-basins ing water standards. Of these, nitrate, fluoride, (Corkhill and others, 1993). Groundwater flow arsenic, and organics are the most common. All patterns are discussed further in the sub-basin water providers in Arizona that serve more than sections. 25 people or having 15 or more connections are regulated under the Safe Drinking Water Act and treat water supplies to meet drinking water standards. Detailed information on groundwater quality in the Phoenix AMA is found in the 1999 Third Management Plan. East Salt River Valley Sub-basin The ESRV Sub-basin encompasses the eastern part of the AMA and includes a portion of the City of Phoenix, the cities of Scottsdale, Tempe, Mesa, and Chandler, and the towns of Superior, Apache Junction, Gilbert and Queen Creek. The thickness of basin-fill sediments range from less Gillespie Dam. Prior to extensive pumping, ground- than 100 feet near the basin margins to over water flowed primarily from the ESRV to the WSRV 10,000 feet southeast of Gilbert. The primary along or toward the Salt and Gila Rivers, exiting source of groundwater (49%) is from the lower the AMA near Gillespie Dam. Flow shown here is basin fill, with another 40% withdrawn from the primarily effluent from the Phoenix AMA. Section 8.0 Overview 7 Arizona Water Atlas Volume 8 middle basin fill and only 11% withdrawn from the upper basin fill (Rascona, 2005). Groundwater flows into the ESRV Sub-basin from the Lake Pleasant Sub-basin, the Eloy Sub-basin in the Pinal AMA, and between the Santan and Sacaton mountains in the southern part of the sub-basin. Groundwater also flows toward a cone of depression caused by groundwater pumping east of Chandler (see Figure 8.1-6). Natural groundwater recharge occurs along stream channels and from mountain front recharge. Other sources of recharge include infiltration of agricultural irrigation water, canal leakage and storage at underground storage facilities (USFs). From 1990 to 2002, groundwater recharge exceeded withdrawals by almost 2.7 million acre-feet (maf) (Rascona, 2005). Groundwater in storage to a depth of 1,000 feet bls is estimated at more than 68 maf in the ESRV and WSRV sub-basins (ADWR, 1998a). Earth fissuring and subsidence have occurred in the ESRV sub-basin due to localized pumping. These occurrences are found near Apache Junction and in the vicinities of Queen Creek, North Scottsdale and Paradise Valley (Rascona, 2005). Town of Superior, Phoenix AMA. The East Salt River Valley Sub-basin encompasses the eastern part of the AMA and includes a portion of the City of Phoenix, the cities of Scottsdale, Tempe, Mesa, and Chandler, and the towns of Superior, Apache Junction, Gilbert and Queen Creek. 8 Well yields commonly exceed 1,000 to 2,000 gpm (Figure 8.1-8). The median well yield reported for 2,397 large (10-inch) diameter wells is 1,280 gpm (Table 8.1-6). Substantial water level rises were measured between 1991‘92 and 2002-‘03 in a number of wells in the sub-basin (see Figure 8.1-6A). Increases of over 60 feet were reported in some areas due to a combination of cessation of farming and associated reduction in pumping, and direct use and recharge of CAP water. Groundwater level depths measured during 2002-‘03 ranged from ten feet bls near Superior to over 800 feet bls south of Cave Creek. Locations of water quality exceedences are shown on Figure 8.1-10 and constituents exceeded are listed in Table 8.1-8. West Salt River Valley Sub-basin The WSRV Sub-basin includes the communities of Phoenix, Buckeye, Surprise, Glendale, Peoria, Goodyear, Tolleson and Avondale. It is a broad, gently-sloping alluvial plain bounded by hills and low-elevation mountains with a depth to bedrock of over 10,000 feet beneath the Luke Air Force Base area. A large salt body lies southeast of Luke Air Force Base at a depth of 880 feet to over 6,000 feet, which locally affects groundwater salinity. Groundwater in the subbasin is obtained almost evenly between the upper, middle and lower basin fill (Rascona, 2005). The middle basin fill ranges in thickness from less than 100 feet to over 1,300 feet southwest of Glendale. Natural groundwater recharge occurs along stream channels and from mountain front recharge. Groundwater also enters the sub-basin from the Lake Pleasant, northern Hassayampa and ESRV sub-basins, and from the Maricopa-Stanfield Sub-basin in the Pinal AMA. Incidental recharge of agricultural irrigation water and effluent discharged from the City of Phoenix 23rd and 91st Avenue wastewater treatment plants also recharges the aquifer. Groundwater flow historically was toward and along the Salt and Gila Rivers. As mentioned Section 8.0 Overview Arizona Water Atlas Volume 8 Little groundwater development has occurred in the Hassayampa Plain so the basin-fill sequence is not well understood in that part of the sub-basin. Depths to bedrock beneath the Hassayampa Plain range from a few tens of feet near the basin margins to over 1,200 feet near the sub-basin center. In the Lower Hassayampa Area depths to bedrock exceed 1,200 feet in the central part of the Tonopah Desert and Centennial Wash area (Long, 1983). City of Phoenix. The WSRV Sub-basin includes the communities of Phoenix, Buckeye, Surprise, Glendale, Peoria, Goodyear, Tolleson and Avondale. previously, a regional groundwater depression has formed east of the White Tank Mountains in the vicinity of Sun City and Litchfield Park. Associated water level declines of more than 300 feet in the area of Luke Air Force Base resulted in surface subsidence of more than 18 feet by 1991 (see Figure 8.1-6) (Hipke and others, 1996). While groundwater levels rose in that part of the sub-basin between 1991-‘92 and 2002-‘03, they declined in the Glendale/ Goodyear/Phoenix area. Depths to groundwater vary widely in the sub-basin with shallower levels present south of I-10 along the Salt and Gila River drainage (Figure 8.1-6D). Well yields commonly exceed 1,000 to 2,000 gpm (Figure 8.1-8). Locations of water quality exceedences in the sub-basin are shown on Figure 8.1-10 and constituents exceeded are listed in Table 8.1-8. Groundwater enters the Hassayampa Plain from the northeast and flows south toward the Gila River. Groundwater historically flowed into the sub-basin from the WSRV Sub-basin, but this no longer occurs due to groundwater pumping in that sub-basin. Sources of groundwater recharge include streambed (Gila and Hassayampa rivers) infiltration and mountain front recharge. Groundwater in storage is estimated at more than 12 maf for the area north of I-10 (ADWR, 2003). Well yield data are available primarily in the Lower Hassayampa Area where yields may exceed 2,000 gpm (Figure 8.1-8). Groundwater pumpage has declined across the sub-basin compared to pumpage in the 1970s and 1980s, resulting in groundwater level rises in several areas. Groundwater depressions still exist in Tonopah and south of Tonopah in the Centennial Wash area (Rascona, 2005) (see Figure 8.1-6). Depths to groundwater ranges from about 20 feet bls in the southwest to over 600 feet bls in Hassayampa Sub-basin the northern part of the sub-basin (Figure 8.1The Hassayampa Sub-basin is bounded by hills 6B). Locations of water quality exceedences and mountains and drained by the ephemeral are shown on Figure 8.1-10 and constituents Hassayampa River. The sub-basin consists of exceeded are listed in Table 8.1-8. the largely undeveloped Hassayampa Plain in the north and the Lower Hassayampa Area in Rainbow Valley Sub-basin the south. Groundwater occurs in the basin-fill The Rainbow Valley Sub-basin is a relatively deposits primarily under unconfined conditions undeveloped alluvial plain located in the (Rascona, 2005). There are, however local southern part of the AMA and drained by occurrences of confined (artesian) or perched Waterman Wash, an ephemeral stream that joins aquifer conditions in the Lower Hassayampa the Gila River near Buckeye. Depths to bedrock Area (Long, 1983). may reach nearly 10,000 feet in the center of the Section 8.0 Overview 9 Arizona Water Atlas Volume 8 sub-basin. The basin-fill sediments consist of poorly sorted gravel, sand, silt and clay. Sources of groundwater recharge include streambed infiltration along Waterman Wash and mountain front recharge. Groundwater flow is from south to north and may have historically entered the sub-basin from the Maricopa-Stanfield Subbasin in the Pinal AMA. Groundwater storage data are not available for the sub-basin. and more shallow alluvial aquifers along streams and washes around the Town and along the Verde River (HydroSystems, 1999). Well yield data are available primarily for the northern part of the sub-basin where yields may exceed 2,000 gpm (Figure 8.1-8). Groundwater levels generally declined between 1991-‘92 and 2002-‘03. Depths to groundwater measured in 2002-‘03 ranged from 140 feet bls to almost 500 feet bls (Figure 8.1-6C). Fluoride is the water quality constituent most commonly exceeded in measured wells in the sub-basin (Figure 8.1-10, Table 8.1-8). Reported well yields are greatest in the southern part of the sub-basin where they may exceed 2,000 gpm (Figure 8.1-8). Groundwater levels rose in several wells in the sub-basin between 1991-‘92 and 2002-‘03 with depths to groundwater ranging from about 50 feet bls to over 500 feet bls (see Figure 8.1-6A). Arsenic and fluoride concentrations exceeded drinking water standards in several wells measured in the sub-basin (Figure 8.1-10, Table 8.1-8). The general direction of groundwater flow is from north to south, parallel to the sub-basin axis. A clay sequence forms a barrier to groundwater flow between the shallow alluvial aquifer along the Verde River and decomposed and fractured granites that exist north and east Agricultural well pumpage in the sub-basin of the McDowell Mountains (ADWR, 2001). began in the 1940s and by 1952 a groundwater Groundwater recharge occurs through streamdepression had developed in the northwest bed (Verde and Salt rivers) infiltration and from portion of the sub-basin. This depression is still mountain front recharge. Groundwater storage evident (Rascona, 2005). data are not available for the sub-basin. Fountain Hills Sub-basin The Fountain Hills Sub-basin is a dissected alluvial plain bounded by mountains. It is drained by the lower Verde River, which is perennial along the axis of the sub-basin, and by the Salt River in the southern part of the sub-basin. The two rivers converge in the southern portion of the sub-basin. Lake Pleasant Sub-basin The Lake Pleasant Sub-basin is a relatively small, gently sloping alluvial plain surrounded by hills and mountains in the northern part of the AMA. It is drained by the lower Agua Fria River, the New River and by Skunk Creek. Basin fill, interbedded with volcanics, intrusives and conglomerate make up the main waterproducing aquifer (Clear Creek & Associates, The regional aquifer consists of older basin- 2003). Depth to bedrock exceeds 800 feet near fill sediments and more recent unconsolidated the center of the sub-basin where reported alluvium deposited by and hydraulically well yields are generally between 100 and 500 connected to the Verde River. The regional gpm. In the New River area, the local aquifer aquifer in the Fountain Hills Sub-basin may not consists of fractured schist and gneiss and the be connected to adjacent sub-basins. The depth groundwater supply is drought-sensitive. Well to bedrock may exceed 4,800 feet. A geologic yields in this area are relatively low. cross-section through the Town of Fountain Hills indicates a lower confined aquifer system 10 Section 8.0 Overview Arizona Water Atlas Volume 8 Sources of groundwater recharge include streambed infiltration and mountain front recharge. Groundwater flow is generally from north to south and into the WSRV and ESRV sub-basins. Groundwater storage data are not available for the sub-basin. Groundwater levels were stable or rose in most measured wells between 1991-‘92 and 2002-‘03. Depth to water ranged from 17 feet bls to almost 300 feet bls in 2002-’03 (see Figure 8.1-6D). Fluoride was the most commonly measured constituent exceeding drinking water standards in wells in the subbasin (Figure 8.1-10, Table 8.1-8). Cave Creek Regional Park, Carefree Sub-basin. Photo courtesy of Maricopa County. Carefree Sub-basin The Carefree Sub-basin, located in the northeastern part of the AMA, is drained by Cave Creek, a relatively small ephemeral stream. A northwest-trending alluvial plain in the southern part of the sub-basin contains aquifers consisting of streambed alluvium and members of the Carefree Formation, the major water-producing unit (HydroSystems, 2000). The basin fill is up to 2,000 feet thick and composed of older, partially-consolidated to consolidated sedimentary rocks. The Carefree Formation consists of alluvial fan and playa deposits and is underlain by volcanic rocks. The Grapevine Member is the only significant source of groundwater in this formation and reaches a maximum thickness of 1,300 feet. Historic groundwater pumping caused cones of depression to form near the Carefree Airport in the south-central part of the basin and in the northern part of the Town of Cave Creek. The cone near the Town is still well defined and draws in groundwater from the northwest and southeast (Rascona, 2005). Natural groundwater recharge is from mountain front recharge and infiltration of streamflow along Cave Creek. ADWR (1994) estimated that the volume of groundwater in storage in the Carefree Sub-basin was 570,000 acre-feet to a depth of 1,200 feet bls. Well yields vary across the sub-basin, with the highest (>1,000 gpm) yields east of Carefree (Figure 8.1-8). Groundwater levels began declining in the early 1960s, but rose in several wells between 1991-‘92 to 2002-‘03 as many local golf courses converted from solely groundwater to a combination of CAP water, groundwater and effluent. Depth to water in wells measured in 2002-‘03 ranged from 27 feet bls to 330 feet bls (Figure 8.1-6). Fluoride, arsenic and radionuclides were the parameters most commonly exceeding drinking water standards in wells in the sub-basin (Figure 8.1-10, Table 8.1-8). Pinal AMA The Pinal AMA consists of five sub-basins with unique groundwater recharge and storage characteristics. These sub-basins include the Maricopa-Stanfield, Eloy, Vekol Valley, Santa Rosa Valley, and Aguirre Valley (Figure 8.2-8). Sub-basin boundaries follow surface water topographic divides, and in the case of the Eloy and Maricopa-Stanfield sub-basins, a groundwater divide. Groundwater underflow between these two sub-basins is limited. Most groundwater development has occurred within the Maricopa-Stanfield and Eloy subbasins while relatively little development and hydrologic information is available for the Vekol Valley, Santa Rosa Valley and Aguirre Valley sub-basins, which are primarily tribal lands. Section 8.0 Overview 11 Arizona Water Atlas Volume 8 The most productive groundwater-bearing units in the Maricopa-Stanfield and Eloy sub-basins consist of unconsolidated sands, gravels, silts, and clays that were deposited by the ancestral Gila and Santa Cruz rivers. Demand for water by irrigated agriculture has drained much of this upper alluvial unit in both sub-basins and changed the direction of groundwater flow between them. levels have been recovering and rising in much of the sub-basin due to use of CAP water in lieu of groundwater pumping. Water level rises of more than 60 feet were observed in many wells between 1993-‘94 and 2003-‘04 (Figure 8.2-6). Recent depths to groundwater range from 51 feet bls near the Gila River in the north to more than 600 feet bls in the vicinity of Stanfield (Figure 8.2-6A). Well yields in excess of 1,000 gpm are common. Fluoride and arsenic were the Natural recharge is primarily from underflow most common constituents exceeding drinking into the basin and from streambed infiltration water standards in wells measured in the subalong the Gila and Santa Cruz rivers, which basin, with elevated TDS concentrations and produce relatively large volumes of runoff from nitrate exceedences also detected (Figure 8.2upstream basins outside the AMA following 10, Table 8.2-8). heavy rains. Lesser amounts of natural recharge occur from mountain fronts. The estimated Eloy Sub-basin groundwater in storage for the Maricopa- An estimated 22.6 maf of groundwater is in Stanfield, Eloy and Vekol Valley sub-basins is storage to a depth of 1,000 feet bls in the Eloy 35.2 maf to a depth of 1,000 feet bls. Median Sub-basin. Groundwater flow is generally to the well yield in the AMA, reported from 1,582 north toward the Gila River and Phoenix AMA. large diameter (> 10-in.) wells, is 1,000 gpm (see Well yields in excess of 500 gpm to more than Table 8.2-6). Water levels rose between 1993- 2,000 gpm are common (Figure 8.2-8). Reduc’94 and 2003-’04 in many wells as shown on tions in groundwater pumping and use of CAP Figure 8.2-6, although areas of historic decline water have contributed to recent rising water are found near Florence, Coolidge, southwest of levels in several wells in this sub-basin. HowPicacho and in the vicinity of Casa Grande. ever, groundwater levels are also declining in the north due to dissipation of a groundwater Water quality in the Pinal AMA generally meets mound formed after Gila River flooding; and in state and federal drinking water standards, however exceedences of nitrate, fluoride, arsenic and to a lesser extent, other constituents have been measured at some locations (see Table 8.2-8). Pesticide, jet-fuel and hydraulic fluid contamination has been reported at several contamination sites in the AMA (Table 8.2-9 and Figure 8.2-11). Maricopa-Stanfield Sub-basin Groundwater in storage is estimated at 8.6 maf in the Maricopa-Stanfield Sub-basin. Groundwater flow is north toward the Gila River and toward cones of depression that Irrigated farmland, Eloy Sub-basin. An estimated have formed west of the towns of Maricopa 22.6 maf of groundwater is in storage to a depth of and Stanfield (see Figure 8.2-6). Groundwater 1,000 feet bls in the Eloy Sub-basin. 12 Section 8.0 Overview Arizona Water Atlas Volume 8 the south central sub-basin, probably from deep well pumping (see Figure 8.2-6). Recent depths to groundwater range from 53 feet bls in the northeast to over 400 feet bls near Picacho (Figure 8.2-6B). Concentrations of fluoride, arsenic, nitrates and other constituents have exceeded drinking water standards in wells throughout the sub-basin (Figure 8.2-10, Table 8.2-8). Santa Cruz AMA Basin-fill sediments along the Santa Cruz River from east and north of the City of Nogales to Amado form three named aquifer units. Listed in ascending order they are the Nogales Formation, Older Alluvium, and Younger Alluvium (also referred to as the stream alluvium). The alluvial units are generally unconfined and hydraulically connected, although the Older Alluvium aquifer exhibits semi-confined to confined conditions in some places, most notably in Potrero Creek. The Nogales Formation is not generally considered an important aquifer, although exceptions occur. The Older Alluvium varies in thickness from a few feet along the mountains to more than 1,000 feet in the north-central part of the basin. Well yields are often low in wells drilled in this aquifer. The Younger Alluvium forms the most productive and widely utilized aquifer in the AMA with well yields commonly in excess of 1,000 gpm. The Younger Alluvium ranges from about 40 to 150 feet thick, becoming thicker and wider to the north along the Santa Cruz River. Santa Cruz River, Santa Cruz AMA. Basin-fill sediments along the Santa Cruz River from east and north of the City of Nogales to Amado form three named aquifer units. in wells measured between 1995 and 2004-’05 throughout the AMA, with most declines totaling from 1 to 15 feet (see Figure 8.4-6). However, a characteristic of the Younger Alluvium in the Santa Cruz AMA is the potential for rapid water level fluctuations resulting from river charge. Groundwater quality is generally good, although arsenic concentrations exceeding the drinking Groundwater enters the basin along the Santa water standard have been measured at some Cruz River and west of Nogales. Groundwater wells in the basin (Table 8.4-7). In addition, flow is then generally from south to north. there are two sites near Nogales with VOC Natural groundwater recharge occurs from and chromium contamination (Table 8.4-8 and infiltration of Santa Cruz River channel flow and Figure 8.4-10). mountain front recharge. Groundwater storage in the Younger Alluvium has been estimated Tucson AMA at about 160,000 acre-feet. The median well The Tucson AMA contains two parallel subyield reported for 115 large (>10-inch) diameter basins: the Upper Santa Cruz Valley Sub-basin wells is 800 gpm, with the highest yields in the east half and the Avra Valley Sub-basin located between Rio Rico and Tubac (Figure in the west half (Figure 8.5-6). The sub-basins 8.4-8). Water levels have generally declined consist of relatively deep alluvial basins filled Section 8.0 Overview 13 Arizona Water Atlas Volume 8 lieu of groundwater pumping and groundwater recharge activities (see Figure 8.5-6). Similar widespread water level rises have not been noted in the Upper Santa Cruz Sub-basin with the exception of an area north of Sahuarita where CAP water is being recharged at the Pima Mine Groundwater enters the Tucson AMA from north Road USF. Elsewhere in the sub-basin, water from the Santa Cruz AMA and from bordering levels have generally decreased. mountains and then flows to the north-northwest (Figure 8.5-6). Natural recharge also oc- Water quality in the Tucson AMA is suitable for curs along stream channels (primarily the Santa most uses, although 26 groundwater contamiCruz River). About 84% of the total net natu- nation sites have been identified (Table 8.5-9). ral recharge in the basin is estimated to occur Volatile organic compounds (VOCs) associated within the Upper Santa Cruz Valley Sub-basin. with industrial and transportation activities are Groundwater storage in the AMA during pre- common at the contamination sites. In addition, development times is estimated to have ranged elevated concentrations of certain natural confrom 68 maf to 76 maf to a depth of 1,000 feet stituents, including arsenic, fluoride and metals have been measured in wells. Elevated nitrate, (ADWR, 2006a). sulfate and total dissolved solid concentrations The median well yield reported for 1,063 large have been detected in wells near mining and agdiameter (>10-inch) wells is 520 gpm. As ricultural operations. shown in Figure 8.5-8, well yields in excess of 1,000 gpm are found in the vicinity of Sahuarita Upper Santa Cruz Sub-basin and Green Valley, near Marana and north of The depth to bedrock in the center of the Upper Three Points. During the period from 1994-’95 Santa Cruz Sub-basin exceeds 11,000 feet. to 2004-‘05 water level rises occurred in the Sediments in this sub-basin have been divided northern half of the Avra Valley Sub-basin due into four hydrogeologic units that form the to agricultural retirement, use of CAP water in main regional aquifer and are hydrologically connected to varying degrees. In descending order these units are the recent alluvial deposits, Fort Lowell Formation, Tinaja Beds and Pantano Formation. A basement unit underlies the sediments and forms a relatively impermeable bedrock floor that extends to the surrounding mountains. with layers of sediments and bordered by mountains. The sediments contain substantial volumes of groundwater, but the composition and productivity of the sediment layers differ between the two sub-basins. Rincon Mountain foothills, Tucson AMA. Natural recharge occurs along the mountain fronts and stream channel (primarily the Santa Cruz River) and via groundwater inflow from the Santa Cruz AMA. 14 The recent alluvial deposits underlie streambed channels of the Santa Cruz River and its major tributaries and are generally less than 100 feet thick. The Fort Lowell Formation consists of unconsolidated to moderately consolidated sands and silts that are 300 to 400 feet thick throughout the sub-basin. The underlying Tinaja Beds are up to 5,000 feet thick in the center of the sub-basin and consist of sandstones, Section 8.0 Overview Arizona Water Atlas Volume 8 conglomerates, siltstones and mudstones. The Tinaja Beds have become the principal supply of groundwater in the Tucson AMA due to widespread dewatering of the overlying Fort Lowell Formation. Beneath the Tinaja Beds, the Pantano Formation, composed of consolidated sandstones, conglomerates and mudstones, is little used as a water supply because of its depth and relatively low well yields. Groundwater flow is from mountain fronts to the valley and from the south to the northwest (Figure 8.5-6). The pre-development groundwater in storage estimate for the sub-basin is 52 maf to a depth of 1,000 feet. Well yields are generally higher in the Avra Valley Sub-basin than in the Upper Santa Cruz Sub-basin (Figure 8.5-8) with measured yields often exceeding 1,000 gpm. As mentioned previously and shown on Figure 8.5-6A, water levels rose in the northern part of the sub-basin, in some wells by 30 feet or more, from 1994-’95 to 2004-’05. Constituents exceeding drinking water standards in the sub-basin are similar to those found in the Upper Santa Cruz Sub-basin (Table 8.5-8). Highlands Basins Prescott AMA The Prescott AMA consists of two sub-basins, the Little Chino in the north and the Upper Agua Fria in the south (Figure 8.3-6). The sub-basins are separated by a surface drainage divide. Prescott AMA aquifers are discontinuous, with the major aquifer found in a deep structural trough that extends 25 miles from near DeweyHumboldt to near Del Rio Springs. The trough appears to have formed from basin-and-range faulting and warping and filled with alluvial, sedimentary, and volcanic rocks of Quarternary to upper Tertiary age. Well yields are generally between 100 to 1,000 gpm in the sub-basin with higher yields found in wells in the Sahuarita/Green Valley area and southwest of Marana. As mentioned previously and shown on Figure 8.5-6B, water levels in most measured wells in the sub-basin declined by more than 15 feet from 1994-’95 to 2004’05. Locations of water quality exceedences are shown on Figure 8.5-10 and constituents exceeded are listed in Table 8.5-8. Concentrations of arsenic, metals, nitrate and other constituents that exceed drinking water standards have been measured in wells throughout the sub-basin. Three hydrogeologic units have been identified in the AMA. In ascending order they are named Avra Valley Sub-basin the Basement Unit, the Lower Volcanic Unit, Sediments in the Avra Valley Sub-basin have and the Upper Alluvial Unit. The relatively been divided into upper and lower alluvial units. impermeable Basement Unit consists of igneous The upper unit is the primary water producer. and metamorphic rocks that form the floor Composed of silt and gravel, it includes and sides of the groundwater sub-basins and streambed deposits along Altar and Brawley is exposed at land surface in the surrounding washes and ranges in thickness from less than mountains. The Basement Unit has limited 100 feet to more than 1,000 feet. The lower groundwater storage and production capacity alluvial unit consists of gravel and conglomerates and is not regarded as an aquifer except for near the edges of the valley, grading to silts and domestic purposes. mudstones along the central axis of the subbasin. Groundwater flow is from the south to The Lower Volcanic Unit overlies the Basenorth. The pre-development groundwater in ment Unit across most of the Little Chino storage estimate for the sub-basin ranges from Sub-basin. It is composed of a relatively thick 17 to 24 maf to a depth of 1,000 feet. sequence of basaltic and andesitic lava flows interbedded with layers of pyroclastic and allu- Section 8.0 Overview 15 Arizona Water Atlas Volume 8 vial material. The Lower Volcanic Unit forms a highly productive confined (artesian) aquifer with discharge points northwest of and at Del Rio Springs. The most productive portion is estimated to range from less than 100 feet up to several hundred feet thick. Natural recharge occurs mainly through infiltration of runoff in ephemeral stream channels and along the mountain fronts of the Little Chino Sub-basin. depths to groundwater in wells ranged from 16 feet bls near Del Rio Springs to almost 500 feet bls in the east-central part of the basin. Water quality is generally good; however arsenic, and to a lesser extent other constituents have been measured at concentrations exceeding water standards, at several locations (Table 8.3-8). Sites contaminated with hydrocarbons, lead, cyanide and other contaminants are found The Upper Alluvial Unit consists of relatively near Prescott, Chino Valley and Dewey-Humthick sedimentary and volcanic rocks that fill boldt (see Figure 8.3-11). a structural trough that extends across both sub-basins. This unit constitutes the main, un- Surface Water Hydrology confined aquifer in the Prescott AMA. Natural recharge occurs from streambed infiltration The U.S. Geological Survey (USGS) divides and mountain front recharge. The thickness the United States into successively smaller of the unit varies considerably. In the Upper hydrologic units based on hydrologic features. Agua Fria Sub-basin it varies from 800-1,200 These units are classified into four descending feet near Prescott Valley to 200-400 feet near levels. From largest to smallest they are: regions, Dewey-Humboldt. In the Little Chino Sub-ba- subregions, accounting units and cataloging sin, its thickness is difficult to determine but is units. Each hydrologic unit is identified by a estimated to be about 700 feet thick near Del hydrologic unit code (HUC) consisting of two Rio Springs with a median thickness of about to eight digits depending on the unit level. A 450 feet (Blasch and others, 2006). The com- 6-digit code corresponds to accounting units, bined thickness of the Upper Alluvial Unit and which are used by the USGS for designing and Lower Volcanic Unit is greatest in the central managing the National Water Data Network. and southeastern portions of the Little Chino Sub-basin. The AMA planning area encompasses portions of six watersheds at the accounting unit level. Groundwater flows generally from the mountain From north to south they are: the Verde River, fronts toward the valleys, then north beneath the Agua Fria River-Lower Gila River, the Salt the Little Chino Sub-basin and south beneath River, the Middle Gila River, the Santa Cruz the Upper Agua Fria Sub-basin. ADWR (2005) River and the Rio Asuncion (Figure 8.0-5). estimated that there was 3.0 maf of groundwater More detailed information on stream flow gagin storage in the AMA; 2.1 maf in the Little es, springs, reservoirs and general surface water Chino Sub-basin and 0.9 maf in the Upper Agua characteristics are found in the individual AMA Fria Sub-basin. The median reported well yield sections. An additional and comprehensive for 78 large diameter (>10-inch) wells is 763 source of information on watersheds is Arizona gpm (Table 8.3-6). Well yields are generally NEMO (Non-point Education for Municipal between 500 gpm and 1,000 gpm in wells near Officials), which has produced watershed based Chino Valley, and between 100 gpm to 500 gpm plans for a number of Arizona watersheds inin the Upper Agua Fria Sub-basin. Between cluding the Middle Gila, Salt, Santa Cruz, Upper 1993-‘94 and 2004, water levels declined in Agua Fria and Verde watersheds. These plans most measured wells (Figure 8.3-6). Recent characterize and classify watershed features 16 Section 8.0 Overview Arizona Water Atlas Volume 8 with a focus on mitigation nonpoint source pol- er groundwater basin (See Volume 5, Figure lution. (Plans are available at http://www.srnr. 5.0-5). The northern portion of the watershed arizona.edu/nemo/). begins near Seligman with tributaries of Big Chino Wash. The Verde River is perennial and Verde River Watershed almost 140 miles in length. Starting below SulThe 6,100 square mile Verde River Watershed livan Lake Dam just north of the Prescott AMA is located in north-central Arizona. A large part it flows eastward to Perkinsville and southeastof the watershed is located in the Verde Riv- ward to Fossil Creek, then passes southward Figure 8.0-5 AMA USGS Watersheds (USGS, 2005) Section 8.0 Overview 17 Arizona Water Atlas Volume 8 through two reservoirs (Horseshoe and Bartlett) before its confluence with the Salt River in the Fountain Hills Sub-basin of the Phoenix AMA. The last 25 miles of the river, and the southernmost part of the watershed are located in the Phoenix AMA. The Verde River is impounded by Horseshoe Dam and Bartlett Dam outside the Phoenix AMA, both of which are part of the Salt River Project (SRP). SRP consists of two entities that provide water and power to the Phoenix metropolitan area. One of the entities, the Salt River Valley Water Users Association, is a private corporation that delivers nearly 1.0 maf of water annually to the Phoenix area through an extensive water delivery system that includes reservoirs, wells, canals and irrigation laterals. The Little Chino Sub-basin in the northwestern portion of the Prescott AMA is also part of the Verde River watershed. Granite and Willow creeks are the major tributaries draining the Little Chino Sub-basin into the Verde River. An estimated 14% of the base flow in the upper Verde River comes from the Little Chino Sub-basin (Wirt and others, 2005). Dams constructed on Granite Creek and Willow Creek form Watson Lake and Willow Lake, respectively, and originally stored water for the Chino Valley Irrigation District (CVID). The lakes are now used by the City of Prescott for recreation and municipal water use. During major flood events water Granite Creek, Prescott AMA. Granite and Willow creeks are the major tributaries draining the Little Chino Sub-basin into the Verde River. 18 discharged from these lakes flows northward and joins the Verde River near Paulden outside the AMA (see Figure 8.3-4). Little Chino Creek and Big Draw Creek drain the northwestern part of the Little Chino Sub-basin. Little Chino Creek drains the CVID area and flows into the Del Rio Springs area where groundwater naturally discharges at the surface. Del Rio Springs, located in the northern part of the Prescott AMA, is the only large spring in the AMA with a discharge of 874 gpm measured in 1999 (Table 8.3-5). Spring discharge maintains baseflow below the springs. The only other major spring in this part of the watershed is Camp Spring northeast of Carefree in the Phoenix AMA with a discharge of about 75 gpm. Sycamore Creek, a tributary of the Verde River, and Camp Creek northeast of Carefree, both have reaches with perennial flow (Figure 8.1-5). Streamgages are located at Del Rio Springs, and along Granite and Willow creeks in the Prescott AMA, and on the Verde River in the Phoenix AMA. Mean flows measured at three Granite Creek streamgages have ranged between approximately 3,500 and 5,000 AFA. Flows on the Verde River in the Phoenix AMA are controlled by releases from Bartlett and Horseshoe dams. The highest reported annual flow at two Verde River gages was approximately 1.8 maf in 1993, while the median annual flow measured at these gages is approximately 298,000 acre-feet (Table 8.1-2). Agua Fria – Lower Gila River Watershed The Agua Fria – Lower Gila River Watershed begins near Prescott and extends south of Gila Bend in the Lower Colorado River Planning Area. Its major drainages include the Agua Fria River, the Lower Hassayampa River and the Gila River. Within the AMA planning area, this watershed encompasses the southeastern portion of the Prescott AMA as well as the western half of the Phoenix AMA. Section 8.0 Overview Arizona Water Atlas Volume 8 Lake Pleasant, is impounded by New Waddell Dam at the northern boundary of the Lake Pleasant Subbasin and only flows below the dam when water is released during major flood events. In the Prescott AMA, the Agua Fria – Lower Gila River Watershed includes the Upper Agua Fria Sub-basin. Upper Lynx Creek, Lynx Creek and the Agua Fria River drain the sub-basin. Most of the runoff from Lynx Creek is impounded by a dam and used for recreation and industrial purposes. A short reach of the Agua Fria River becomes perennial before leaving the AMA and a portion of this reach receives effluent discharged from the Prescott Valley Wastewater Treatment Facility (Figure 8.3-10). All other flows in the Upper Agua Fria Sub-basin are ephemeral. All or portions of five Phoenix AMA sub-basins lie within the Agua Fria – Lower Gila River Watershed including Carefree, Lake Pleasant, Hassayampa, West Salt River Valley and Rainbow Valley. The Agua Fria River enters the AMA approximately 20 miles north of Peoria, in the Lake Pleasant Sub-basin. The river is impounded by New Waddell Dam at the northern boundary of the sub-basin and only flows below the dam when water is released during major flood events. From there it flows south along the western edge of the Phoenix metropolitan area and joins the Gila River south of Avondale (Figure 8.1-4B). Downstream of the confluence of the Salt River, the Gila River flows year round due to effluent discharge from the City of Phoenix 23rd and 91st Avenue wastewater treatment plants into the Salt River, and from return flow from nearby agricultural areas. Some of this water is diverted for agricultural and industrial uses. This reach of the Gila River has been designated as impaired by the Arizona Department of Environmental Quality (ADEQ) due to pesticide concentrations that exceed the use standard (Figure 8.1-10A and Table 8.1-8B). The Gila River exits the Phoenix AMA at Gillespie Dam. The Hassayampa River originates in the Bradshaw Mountains and flows through the Hassayampa Sub-basin before its confluence with the Gila River west of Buckeye (Figure 8.1-4B). It is an ephemeral stream within much of the AMA except for short perennial reaches where it enters the AMA and near its confluence with the Gila River. The Hassayampa River is impaired above the Gila River confluence due to elevated concentrations of selenium and boron (Table 8.1-8B and Figure 8.1-10A). The only major spring in the watershed is Seven Springs north of Carefree with a discharge of about 75 gpm. Perennial reaches occur along Cave Creek and Seven Springs Wash northeast of Carefree (Figure 8.1-5). Flow records from streamgages in the watershed are included in Tables 8.1-2 and 8.3-2. The annual median flow in the Agua Fria River near the Humboldt gage is about 3,400 acre-feet and the annual median flow on the Hassayampa River near Morristown is about 6,500 acrefeet. The highest annual flow measured in the watershed occurred at a gage on the Gila River (#9514100) where 6.1 maf was reported for 1993. The median flow at this gage is only about 12,000 AFA. (Table 8.1-2) Salt River Watershed Most of the Salt River Watershed is within the Section 8.0 Overview 19 Arizona Water Atlas Volume 8 perennial further downstream due to effluent discharges from the 23rd Avenue and 91st Avenue WWTPs (Figure 8.1-5). There are no major springs in the AMA portion of the watershed. Flow records from streamgages in the watershed are found in Table 8.1-2. Annual median flow on the Salt River below Stewart Mountain Dam is about 585,700 acre- feet with a maximum annual flow of over 3.2 maf in 1993. Further downstream near its confluence with the Gila River and below the Granite Reef Diversion Dam, annual median Salt River, Phoenix AMA. flows in the Salt River at 51st Avenue are about Salt River and Tonto Creek basins in the Central 4,300 acre-feet. Highlands Planning Area. Its western edge extends into the Phoenix AMA and includes Middle Gila River Watershed the confluence of the Salt and Gila rivers. The Middle Gila River Watershed extends west The Salt River originates in eastern Arizona from Coolidge Dam on the Gila River, located and drains approximately 6,000 square miles in the Southeastern Arizona Planning Area, to of the Mogollon Rim area in the east-central the confluence of the Gila and Salt rivers. The part of the State. Before entering the Phoenix San Pedro and San Francisco rivers are major AMA in the Fountain Hills Sub-basin, surface tributaries to the Gila River outside of the AMA water from the Salt River Watershed passes Planning Area. Portions of the Phoenix AMA, through a series of four reservoirs: Roosevelt Pinal AMA and Tucson AMA are located in this Lake, Apache Lake, Canyon Lake and Saguaro watershed. The Gila River enters the Pinal AMA Lake. These reservoirs and associated dams are in its northeastern corner and flows from east to operated by SRP and used to supply water to the west. Before development, the Gila River flowed agricultural, municipal and industrial sectors in year round through this area. Pre-development the Phoenix AMA. flows along the portion of the Gila River that passes through the Pinal AMA are estimated The Salt River channel enters the AMA north to have been about 500,000 AFA. The first of the Goldfield Mountains, flows southwest records of San Carlos Irrigation Project (SCIP) through the East Salt River Valley and West Salt diversions of Gila River water begin in 1930, River Valley sub-basins and the cities of Mesa, although diversions by non-Indian farmers Tempe, Scottsdale and Phoenix, and then joins began much earlier. According to the Gila the Gila River near Laveen (Figure 8.1-4B). Water Commissioner’s report annual diversions Downstream from the Granite Reef Diversion by SCIP at the Ashurst-Hayden Diversion Dam Dam located four miles below the confluence northeast of Florence in the Pinal AMA averaged of the Salt and Verde rivers, the Salt River is 253,100 AFA between 2005 to 2008. ephemeral and only flows in response to flooding or reservoir releases. The Granite Reef Di- There are no major springs in this portion of the version Dam diverts flow to the Arizona Canal Middle Gila River Watershed. Short reaches of and the South Canal to serve municipal, agri- Queen Creek and Arnett Creek near Superior are culture and tribal uses. The Salt River becomes perennial (Figure 8.1-5). Queen Creek has been 20 Section 8.0 Overview Arizona Water Atlas Volume 8 designated as impaired from its headwaters to about nine miles downstream due to elevated copper concentrations from mining discharge (Table 8.1-8B and Figure 8.1-10A). Flow records from streamgages in the watershed are found in Tables 8.1-2 and 8.2-2. The annual median flow measured at the gage on Queen Creek below Whitlow Dam near Superior is about 1,600 acrefeet. Gages on the Gila River have either been discontinued or have only recent data. The Gila River gage near Laveen has the longest period of record (55 years) but was discontinued in 1994. The annual median flow at that gage was 9,420 acre-feet with a maximum annual flow of almost 1.2 maf in 1993. Santa Cruz River Watershed A large portion of the AMA Planning Area falls within the Santa Cruz River Watershed, including the Santa Cruz AMA and most of the Tucson and Pinal AMAs. The Santa Cruz River is the main surface water drainage in the Santa Cruz and Tucson AMAs. The river originates in the San Rafael Valley east of the planning area near the Mexican border and flows southward to Mexico before turning north and re-entering the U.S. east of Nogales. Within the planning area it flows from the international border northwestward to its confluence with the Gila River (where it is known as the Santa Cruz Wash) in the northern portion of the Pinal AMA. Major tributaries to the river in the Santa Cruz AMA are Nogales Wash, Sopori Wash and Sonoita Creek. Major tributaries to the Santa Cruz River in the Tucson AMA include Rillito Creek, Cañada del Oro Wash and Brawley Wash. Three smaller streams (Vekol Wash, Santa Rosa Wash and Aguirre Wash) drain the southern portion of the Pinal AMA and join Santa Cruz Wash upstream from its confluence with the Gila River. Prior to development, the Santa Cruz River was locally perennial in its southernmost reach from its headwaters in the San Rafael Valley to near Tubac, forming a series of cienegas (marshes). San Xavier del Bac, Tucson AMA. A few short perennial reaches existed including near the mission south of Tucson. North of Tubac, a few relatively short perennial sections existed including reaches near the mission of San Xavier del Bac south of Tucson and at “A” Mountain near downtown Tucson. From the Nine-Mile water hole north of the confluence of the Santa Cruz River and the Rillito River in Tucson, to its confluence with the Gila River, the Santa Cruz River was historically dry except during floods. (Tellman and others, 1997) Currently, two segments of the Santa Cruz River within the Tucson AMA and the Santa Cruz AMA flow year round downstream of wastewater discharges (Figures 8.4-11 and 8.5-12). In 2006, approximately 66,000 acrefeet was discharged at the Ina and Roger Road WWTPs by Pima County. In 2004, approximately 16,200 acre-feet of sewage was treated at the Nogales International WWTP, Section 8.0 Overview 21 Arizona Water Atlas Volume 8 which treats sewage from both Nogales, Sonora and Nogales, Arizona prior to discharge to the river. Approximately 11,500 acre-feet of the influent was from Mexico. In the Pinal AMA, a portion of the Santa Cruz River currently receives wastewater discharge from the Casa Grande WWTP. Perennial flows in the watershed include portions of Sabino, Romero, Cienega and Rincon creeks in the east central part of the Tucson AMA and Sonoita Creek in the Santa Cruz AMA (Figures 8.4-5 and 8.5-5). Nogales Wash, a tributary of the Santa Cruz River, originates about five miles south of the international border in Sonora and enters Arizona as a covered floodway. It joins the Santa Cruz River about 8 miles north of the border. Nogales Wash is the major drainage system for both Nogales, Arizona and Nogales, Sonora. (Varady and others, 1995) Springs create perennial flow in Nogales Wash near its headwaters in Mexico and below the springs, storm flows and uncontrolled sewage discharges also contribute to its flow (IBWC, 1998) (Figure 8.4-4). In the Santa Cruz AMA the Santa Cruz River and Nogales Wash have designated impaired reaches due to elevated levels of E. coli and other constituents (Figure 8.4-9 and Table 8.4-7). There are ten major springs in the watershed with locations near Arivaca, in mountains east of Tucson, and west of Amado in the Santa Cruz AMA. The spring with the largest discharge is Sopori, located west of Amado, with a discharge rate of 377 gpm measured in 1952 (see Tables 8.4-5 and 8.5-5). Flow records from streamgages in the watershed are found in Tables 8.4-2 and 8.5-2. The annual median flow at the Santa Cruz River near Nogales is 14,013 acre-feet with a maximum annual flow of over 88,000 acre-feet in 1983. Downstream in the Tucson AMA the annual median flow at the gage on the Santa Cruz River at Cortaro is 38,655 acre-feet with a maximum annual flow in 1993 of over 182,000 acre-feet. Rio Asuncion Watershed A small part of the Rio Asuncion Watershed is located at the base of the Tucson AMA along the international border. This watershed drains a large area of northwest Sonora, Mexico and discharges into the Sea of Cortez. Sycamore Creek, a perennial stream located in this watershed, flows south-southwest into Mexico. Due to its rich biological diversity, a portion of Sycamore Canyon has been designated as the Gooding Research Natural Area. There are no major springs identified in the U.S. portion of the watershed. Effluent dominated reach of the Santa Cruz River near Amado. 22 Section 8.0 Overview Arizona Water Atlas Volume 8 8.0.3 Climate Climate in the AMA Planning Area varies widely due to its large geographic extent, with significant temperature and rainfall differences between some AMAs. Average annual temperatures range from 72.9°F in the Phoenix AMA to 53.3°F in the Prescott AMA compared to the statewide average of 59.5°F. Phoenix and Tucson climate stations report the warmest temperatures with the exception of the summer monsoon season when Tucson receives a significant amount of its annual rainfall and associated cooler temperatures (Figure 8.0-6). Airport to 18.7 inches at Nogales and Prescott. The AMA Planning Area exhibits a bi-modal precipitation seasonality that is characteristic of Arizona (Figure 8.0-7). During the winter and spring, frontal storm systems move west-toeast, guided by the jet stream. Summer monsoon thunderstorms also deliver significant amounts of precipitation, particularly in the Prescott and Santa Cruz AMAs. While precipitation amounts vary widely across the planning area, there are also strong year-to-year variations, due primarily to the influence of the El NinoSouthern Oscillation (ENSO), as well as longAverage annual precipitation (1971-2000) term wet and dry periods that are linked to ranges from 8.3 inches at Phoenix Sky Harbor multi-decadal ocean variations. Figure 8.0-6 Average monthly temperature from 1952-2007 in the AMA Planning Area (Source: WRCC, 2008) Section 8.0 Overview 23 Arizona Water Atlas Volume 8 As shown in Figure 8.0-8, many of the wettest and driest periods since 1960 were synchronous throughout the AMAs with notable wet periods in the late 1970s, early 1980s and early 1990s. Notable dry periods were the early 1960s, the early 1970s and the period from 1996 through 2006. The greatest year-to-year precipitation variations during this period occurred in the Phoenix AMA and the least variation in the Prescott AMA, with the exception of 1965 when Prescott received almost double its annual rainfall. The planning area encompasses parts of five of Arizona’s seven climate divisions. A climate division is a region within a state that is generally climatically homogenous. Long-term climate data for Arizona’s climate divisions have been reconstructed from tree ring and instrumental data. These data show that since 1000 A.D., Climate Division 7 experienced more years (compared to the other planning area climate divisions) in which precipitation was less than that measured in 2002, one of the driest years in the instrumental record (CLIMAS, 2008). Figure 8.0-7 Average monthly precipitation from 1948-1952 to 2006-2007 in the AMA Planning Area Note: Data are from Phoenix, Sky Harbor Airport; Casa Grande NM; Prescott Sta.; Nogales 6N; and Univ. of Arizona WRCC Stations. Source: WRCC, 2008 24 Section 8.0 Overview Arizona Water Atlas Volume 8 Figure 8.0-8 Annual percent of average precipitation from 1960-2007 in the AMA Planning Area 250 Phoenix, Sky Harbor Airport (1971-2000 ave. = 8.29 inches) Tucson, Univ. of Arizona (1971-2000 ave. = 12.0 inches) Pinal, Casa Grande NM (1971-2000 ave. = 9.88 inches) Santa Cruz, Nogales 6N (1971-2000 ave. = 18.71 inches) 200 % of Average 1971-2000 Precipitation Prescott, Prescott Sta. (1971-2000 ave. = 18.73 inches) 150 100 50 2006 2004 2002 2000 1998 1996 1994 1992 1990 1988 1986 1984 1982 1980 1978 1976 1974 1972 1970 1968 1966 1964 1962 1960 0 Year Years with more than five days of missing data in any month were omitted. Source: WRCC, 2008 Climate Division 7 encompasses most of the National Monument, a relatively non-urbanized Tucson AMA and all of the Santa Cruz AMA. area between the two cities. Average annual temperatures in the AMA Planning Area have been increasing since 1960, a phenomenon observed throughout the state. Figure 8.0-9 shows that all of the major urban locations in the AMAs have seen temperature increases, reflecting both a regional temperature trend and the influence of urban expansion and development. The effect of urban areas on temperature, precipitation and other climate phenomena is an important consideration in the planning area. Phoenix, for example, has experienced the greatest increase in temperatures during the time period shown. Figure 8.0-10 illustrates an increase in daily minimum temperatures during the summer months in Phoenix and Tucson, and is contrasted with modest increases measured at Casa Grande Research on urbanization and warming in the Phoenix metropolitan area shows that, from 19482000, urbanization has increased the nighttime minimum temperature in central Phoenix (Sky Harbor Airport) by approximately 9° F and the average daily temperature by approximately 5.5° F (Baker and others, 2002). The number of days with temperatures between 59-100°F at Sky Harbor Airport has increased by about 30 days since 1948, most notably during the spring and fall. During the period 1990-2004, the Phoenix urban heat island expanded substantially, commensurate with increasing population and urban development. Recent research shows that temperatures in areas characterized by urban infill development, and areas in the core of the city were approximately 2° F and approximately Section 8.0 Overview 25 Arizona Water Atlas Volume 8 Figure 8.0-9 Average annual temperature measured between 1960 and 2007 in the AMA Planning Area 80 Phoenix, Sky Harbor Airport Tucson, Univ. of Arizona Pinal, Casa Grande NM Santa Cruz, Nogales 6N 75 Temperature (Fahrenheit) Prescott, Prescott Sta. 70 65 60 55 2006 2004 2002 2000 1998 1996 1994 1992 1990 1988 1986 1984 1982 1980 1978 1976 1974 1972 1970 1968 1966 1964 1962 1960 50 Year Source: WRCC, 2008 4° F warmer, respectively, than temperatures outside of urban areas (Brazel and others, 2007). Similarly, in central Phoenix the hours per day that exceed 100° F during the months of May through September have doubled since 1948 (Baker and others, 2002). Tucson’s urban heat island effect increased by approximately 5.5° F during the 20th century, with most of the warming since the late 1960s (Comrie, 2000). In the Tucson area, urban temperatures increased at almost 3 times the rate of rural temperatures. Temperature changes are not, however, uniform. Within the urban zone, variations in temperatures are caused by differences in housing density, the amount of green space, topography, and localized cold air flows downslope from mountains. dominantly from longer usage of air conditioning, and stress to animals and humans. Since 1948, the total number of cooling degree days (CDD) in Phoenix has increased by 569 while the heating degree days (HDD) has declined by 331 (Baker and others, 2002). The CDD and HDD are indices that reflect the demand for energy needed to cool or heat a structure, respectively. Research conducted in 2003 in Phoenix found that distinct neighborhoods experience up to 7° F difference in temperature. Two studies suggest that urbanization and large irrigated areas in the Phoenix metro area increase precipitation to the northeast of the city (Diem and Brown, 2003; Shepherd, 2006). Average precipitation in the northeastern suburbs and exurbs of metropolitan Phoenix has increased by 12-14%, from the first half The impacts of urban warming are varied and of the 20th century (Shepherd, 2006). The include increases in energy consumption, pre- study suggests that urban heating, from built 26 Section 8.0 Overview Arizona Water Atlas Volume 8 surfaces and buildings, affects upward motion in the atmosphere and can increase storminess beyond the urban area. Irrigation increases local water vapor in the atmosphere, and probably contributes to the increased precipitation (Diem and Brown, 2003). lands” of Sierra Madre Occidental pine-oak forest. The northeastern portion of the Phoenix AMA and most of the Prescott AMA are within the Arizona Mountains Forests region, and the northern portion of the Prescott AMA includes part of the Colorado Plateau shrublands region. 8.0.4 Environmental Conditions Biotic communities range from Lower Colorado River Valley Sonoran desertscrub to Rocky Mountain (Petran) and Madrean montane conifer forest. Most of the planning area is covered by Lower Colorado River Valley and Arizona Uplands Sonoran desertscrub biotic communities. Vegetation Information on ecoregions and biotic (vegetative) communities in the AMA Planning Area is shown on Figure 8.0-11. The planning area contains five of the six ecoregions found in Arizona, most of which is within the Sonoran Desert Rocky Mountain and Madrean montane conifer ecoregion. The Tucson and Santa Cruz AMAs forests occur at the highest elevations of the also contain Chihuahuan desert with “sky is- Tucson AMA in the Santa Catalina and Rincon Figure 8.0-10 Average Daily Minimum June, July and August temperature measured between 1960 and 2007 in the AMA Planning Area 85 Temperature (Fahrenheit) 80 75 70 65 Phoenix, Sky Harbor Airport Tucson, Univ. of Arizona Casa Grande Nat. Monument 2006 2004 2002 2000 1998 1996 1994 1992 1990 1988 1986 1984 1982 1980 1978 1976 1974 1972 1970 1968 1966 1964 1962 1960 1958 1956 1954 1952 1950 60 Year Years with more than five days of missing data in any month were omitted. Source: WRCC, 2008 Section 8.0 Overview 27 Arizona Water Atlas Volume 8 28 Section 8.0 Overview Arizona Water Atlas Volume 8 mountains and in the Prescott AMA in the Bradshaw Mountains. These forests commonly occur between about 7,200 to 8,700 feet. Above 8,000 feet, in areas that receive from 25 to 30 inches of annual rainfall, the forest contains a mix of conifers that may include Douglas and White fir, Limber Pine, Blue Spruce, and White Pine, with Ponderosa Pine on warmer slopes. Aspen and Gambel Oak are prominent in these forests following disturbances. Below 8,000 feet, in areas that receive about 18 to 26 inches of annual precipitation, the mix of species gives way to almost pure stands of Ponderosa Pine. About half of the precipitation occurs during the growing season, which permits forests to exist on less than 25 inches of annual rainfall, making them some of the driest forests in North America (Brown, 1982). Bark beetle infestations have killed large areas of Ponderosa Pine in the Prescott AMA within and in the vicinity of the City of Prescott. consists of evergreen oaks, Alligator Bark and One-seed Junipers, and Mexican Pinyon Pine, and transitions to semidesert grassland at lower elevations. Cacti of the semidesert grassland may extend into the woodland. (Brown, 1982) Semi-desert grasslands occur predominantly in the Santa Cruz and Tucson AMAs with smaller areas in the Pinal AMA. These grasslands occur at elevations between 3,500 and 5,000 feet that receive annual precipitation of 10 to 17 inches. The grasslands were originally covered with perennial bunch grasses with intervening areas of bare ground. Where heavily grazed, these grasses have shifted to annual species where summer rainfall is low, or to low growing sod grasses where rainfall is moderate to Higher elevations in the Prescott AMA contain areas of Great Plains grassland and Great Basin conifer woodland not found in the other four AMAs. Great Basin conifer (piñon-juniper) woodlands are found at elevations between about 5,000 and 7,500 feet that receive about 10 to 20 inches of annual precipitation. One of the most extensive vegetation types in the southwest, it is characterized by juniper and piñon pine trees. Plains and Great Plain grasslands, primarily composed of mixed or short-grass communities, are located in the center of the AMA at elevations above about 4,000 feet that receive between 11 and 18 inches of annual precipitation. (Brown, 1982). Madrean evergreen woodlands are found at higher elevations in the Tucson and Santa Cruz AMAs. This community occurs in the Santa Catalina, Baboquivari and Santa Rita Mountains and in the mountain ranges along the Rose Canyon Lake, Tucson AMA. Madrean everU.S.-Mexico border where the mean annual green woodlands are found at higher elevations in the Tucson and Santa Cruz AMAs. precipitation exceeds 16 inches. The woodland Section 8.0 Overview 29 Arizona Water Atlas Volume 8 heavy. Shrubs, cacti and herbaceous plants are commonly found in the semi-desert grassland community. (Brown, 1982) Southwest interior chaparral occupies midelevation foothill and mountain slopes in the Santa Rita Mountains in the Tucson AMA, the Superstition Mountains in the Phoenix AMA and the Bradshaw Mountains in the Phoenix and Prescott AMAs. Southwest interior chaparral occurs in areas between about 3,500 and 6,000 feet that receive 15 to 25 inches of annual precipitation (Brown, 1982). Typical shrubby Lower Colorado River Valley desertscrub in the species are mountain mahogany, shrub live Phoenix AMA. oak, and manzanita. Chaparral plants are well adapted to drought conditions. are extremely important in this subdivision including saguaro, organ pipe, cholla and barrel Two subdivisions of the Sonoran desertscrub re- cacti. (Brown, 1982) gion, the Lower Colorado River Valley subdivision and the Arizona Upland subdivision, domi- The occurrence and composition of riparian nate all but the Prescott AMA. The Lower Colo- vegetation has changed along many of the rado River Valley subdivision is the hottest and watercourses in the AMA Planning Area, driest of the two. There is intense competition including the Santa Cruz River in the Santa for water, with plants widely spaced and more Cruz and Tucson AMAs, the Gila River in the concentrated along drainage channels. Charac- Pinal and Phoenix AMAs, and the Salt and teristic plants include creosote bush, bursage, Verde rivers in the Phoenix AMA. saltbush, and mixed, more diverse vegetation along washes and other areas with more water. Along the Santa Cruz River riparian vegetation These areas may include blue palo verde, iron- has increased in most reaches upstream from wood and jojoba. Also commonly found in the Tucson that have perennial flow from either base subdivision are several types of cholla and other flow or sewage effluent, while it has been largecacti. (Brown, 1982) ly eliminated within Tucson. North of Nogales below the International WWTP the Santa Cruz The Arizona Upland subdivision borders the River is line with Cottonwood and Willow. In Lower Colorado River Valley subdivision and the late 1990s and early 2000s, die-off of rioccurs primarily on slopes and sloping plains parian trees occurred at Nogales and near Rio at elevations of 980 to over 3,000 feet where Rico respectively, and may be related in part to it merges with interior chaparral or semi-desert groundwater pumping. North of Tucson, efflugrassland. This subdivision receives more ent discharge supports a relatively newly estabprecipitation than the other Sonoran desertscrub lished riparian ecosystem. North of Marana, the subdivisions with average annual precipitation Santa Cruz River is ephemeral and there is little between 8 to 16 inches. Vegetation is scrubland historic evidence of riparian vegetation with the or low woodland in appearance with blue and exception of tamarisk. Tamarisk density may foothill palo verde, ironwood, mesquite and be increasing at some locations. (Webb and othcat-claw acacia as common tree species. Cacti ers, 2007) 30 Section 8.0 Overview Arizona Water Atlas Volume 8 Riparian vegetation along the Gila River has significantly declined between Florence in the Pinal AMA and its confluence with the Salt River in the Phoenix AMA due to surface water diversion and groundwater pumpage. This reach historically supported lush, woody riparian vegetation, but now mostly tamarisk and mesquite are found. However, cottonwood has returned along the Gila River near its confluence with the Salt River due to rising groundwater levels and changes in the flow regime of the Salt River. Current groundwater levels are high at the confluence and support a cottonwood-willow forest surrounded by “a sea of tamarisk” (Webb and others, 2007). Effluent discharge from the City of Phoenix and agricultural return flow have created perennial flow and also increased riparian vegetation below the confluence, where vegetation is primarily tamarisk and mesquite with small stands of cottonwood-willow (AZGF, 1993). The reservoir system on the Salt River has largely stabilized the channel in the Phoenix AMA below the dams (except during large flood events) and allowed establishment of native and nonnative (primarily tamarisk) riparian vegetation. Below its confluence with the Verde River and Granite Reef Dam, most surface flow in the Salt River is diverted, and the riparian vegetation declines and disappears downstream to the effluent-dependent section near the confluence of the Salt and Gila rivers. Downstream of Bartlett Dam, native and nonnative riparian vegetation has increased along the Verde River due to relatively steady release of water. (Webb and others, 2007) Vegetation includes cottonwoodwillow, tamarisk and mesquite (AZGF, 1993). Tohono O’odham Reservation, south of Tucson in the Tucson AMA. Many of the natural biotic communities in the planning area are threatened by invasive species that interfere with ecosystem function through altering natural fire, nutrient flow and flooding regimes. The most problematic invasive species include buffel grass, fountain grass, natal grass, onionweed, Sahara mustard and tamarisk. Numerous agencies and interest groups throughout the planning area are cooperating to control the spread of these species where feasible, and to educate the public about the threat of these species to ecosystem function. (ASDM, 2008) Although not necessarily caused or exacerbated by invasive species, several major wildfires occurred in the AMA Planning Area during the drought years between 2002-2006 (see Figure 8.0-12). The 2003 Aspen fire in the Tucson AMA burned 85,000 acres in the Santa Catalina Mountains, including much of the Town of Summerhaven. The 2005 Cave Creek Complex fire, of which a portion is located in the Phoenix AMA, burned 243,950 acres and is the second largest fire in Arizona to date. Both of these fires occurred in areas with perennial streams and have documented impacts on peak-flow events. Rainfall two months after the Aspen fire caused Concerns about receding riparian areas at some locations have resulted in restoration projects in the Phoenix and Tucson metropolitan areas, including the Rio Salado project in downtown Phoenix in the Phoenix AMA; and the San Rio Salado Project, Phoenix AMA. Photo courtesy Xavier Riparian Restoration project on the of Maricopa County. Section 8.0 Overview 31 Arizona Water Atlas Volume 8 runoff to increase three-fold over pre- Figure 8.0-12 Location of Major Wildfires in the burn runoff in the Sabino Creek wa- AMA Planning Area 2002-2006 (USFS 2007) tershed. (Reed and Schaffner, 2007) Increased peak flows can degrade stream channels and make them unstable, increase sediment production, and cause flood damage (Neary and others, 2003). Arizona Water Protection Fund Programs The objective of the Arizona Water Protection Fund (AWPF) program is to provide grants for the protection and restoration of Arizona’s rivers and streams and associated riparian habitats. Thirty-nine restoration projects in the AMA Planning Area had been funded by the AWPF through FY 2008. Six projects were funded in the Phoenix AMA for wetland construction, exotic species control, revegetation and general research. One habitat protection project was funded in the Pinal AMA. Seven grants in the Prescott AMA funded feasibility studies, general research and stream restoration. In the Tucson AMA nineteen projects, including general research, habitat restoration and exotic species control, were funded. Finally, six research, revegetation and habitat protection projects were funded in the Santa Cruz AMA. A list of AWPF projects and project types funded in the AMA Planning Area through 2008 is found in Appendix A. A description of the program, a complete wildlife use. Fifteen applications for instream flow listing of all projects funded, and a reference map claims have been filed in the AMA Planning Area. are found in Volume 1. The applications are listed in Table 8.0-1 and locations are shown on Figure 8.0-13. Applications Instream Flow Claims have been filed in three of the five AMAs, including Phoenix, Tucson and Santa Cruz; and seven cerAn instream flow water right is a non-diversionary tificates have been issued, six in the Phoenix AMA appropriation of surface water for recreation and and one in the Tucson AMA. Certificates have been 32 Section 8.0 Overview Arizona Water Atlas Volume 8 issued for claims on Arnett Creek, Camp Creek, Cave Creek, Cienega Creek, Hassayampa River, Seven Springs Wash and Sycamore Creek. Applications are pending for reaches of Cave Creek, Queen Creek Wash, Rincon Creek, Sabino Creek and Sonoita Creek. Threatened and Endangered Species Several listed threatened and endangered species may be present in the AMA Planning Area. Those listed by the U.S. Fish and Wildlife Service (USFWS) as of January 2008 are shown in Table 8.0-2.2 Presence of a listed species may be a critical consideration in water resource management and supply development in a particular area. The USFWS should be contacted for details regarding the Endangered Species Act (ESA), designated critical habitat, and current listings. As shown on Table 8.0-2 the number and type of endangered or threatened species vary by AMA, with only one in the Prescott AMA and 13 in the Tucson AMA. Habitat encroachment by Sabino Creek, Tucson AMA. Three instream flow development and growth in the Tucson AMA, claims have been filed on this stream in the Tucprimarily in Pima County, required Pima County son AMA. Table 8.0-1 Instream flow claims in the AMA Planning Area as of 12/2008 Map Key 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Stream Applicant Application No. Permit Certificate No. Filing Date Arnett Creek Camp Creek Cave Creek Cave Creek Cienega Creek Hassayampa River Queen Creek Rincon Creek Sabino Creek Sabino Creek Sabino Creek Seven Springs Wash Sonoita Creek Sonoita Creek Sycamore Creek Tonto National Forest Tonto National Forest Tonto National Forest Desert Foothills Land Trust Pima County Nature Conservancy Boyce Thompson Arboretum Saguaro National Park Sierra Club, et al Hidden Valley HOA Joeseph and Lynette Marco Tonto National Forest AZ State Parks Board AZ State Land Department Tonto National Forest 33-96235.0 33-96693.0 33-96302.0 33-96255.0 33-89090.0 33-92304.0 33-92298.0 33-96733.0 33-93232.0 33-96551.0 33-87168.1 33-96303.0 33-96709.0 33-93287.0 33-96509.0 96235 96693 96302 Pending 89090 92304 Pending Pending Pending Pending Pending 96303 Pending Pending 96509 96235 96693 96302 Pending 89090 92304 Pending Pending Pending Pending Pending 96303 Pending Pending 96509 10/20/1992 7/5/2001 9/27/1993 3/25/1993 8/31/1983 1/20/1987 1/20/1987 12/10/2002 7/28/1987 5/5/1997 4/17/2001 9/27/1993 2/14/2002 8/7/1987 5/15/1996 An “endangered species” is defined by the USFWS as “an animal or plant species in danger of extinction throughout all or a significant portion of its range,” while a “threatened species” is “an animal or plant species likely to become endangered within the foreseeable future throughout all or a significant portion of its range. 2 Section 8.0 Overview 33 Arizona Water Atlas Volume 8 34 Section 8.0 Overview Arizona Water Atlas Volume 8 Table 8.0-2 Listed threatened and endangered species in the AMA Planning Area Common Name AMA Threatened Endangered Elevation/Habitat Arizona Agave PHX X 3,000 ft./Steep, rocky granite slopes, or level hilltops, near chaparral; New River and Sierra Ancha Mountains. Arizona Cliff Rose PRE X <4,000 ft./White soils of Tertiary limestone lakebed deposits. 3,300-8,900 ft./Streams, rivers, backwaters, ponds stock tanks. Chiricahua Leopard Frog TUC, SAN X Desert Pupfish TUC, PHX X <5,000 ft./Shallow springs, small streams and marshes. Tolerates saline and warm water. Gila Topminnow TUC, PHX X <4,500 ft./Small streams, springs, cienegas and vegetated shallows. Huachuca Water-umbel TUC X 2,000 - 6,000 ft./Cienegas or marshy wetlands within Sonoran desertscrub, grassland or oak woodland, and conifer forest. Jaguar TUC X Approx > 5,000 ft./Lowland wet habitats and oak-pine woodland. Kearny's Blue Star TUC X 3,685 - 4,500 ft./Canyon bottoms and sides in oak woodlands. Lesser Long-Nosed Bat SAN, TUC, PHX X 1,190 - 7,320 ft./Desert grassland and shrubland up to oak transition. Masked Bobwhite Quail TUC X 3,090 - 3,720 ft. /Broad valley desert grassland. 4,100-9,000 ft./Canyons, dense forests with multi-layered foliage structure. Mexican Spotted Owl TUC, SAN X Nichol's Turk's Head Cactus PIN, TUC X 2,400-4,100 ft./Sonoran desertscrub. Ocelot TUC, SAN X <4,000 ft./Subtropical thorn forest, thorn scrub and dense brushy thickets, often in riparian bottomland. Pima Pineapple Cactus TUC, SAN X 2,300 - 5,000 ft./Ridges in semidesert grassland and alluvial fans in Sonoran desertscrub. Razorback Sucker PHX X <6,000 ft./Riverine and lacustrine areas, not in fast moving water. Sonora Chub TUC <1,000 - 4,000 ft./Large, deep and most permanent pools in Sycamore Creek. X Southwestern Willow Flycatcher PHX, SAN X <8,500 ft./Cottonwood-willow and tamarisk along rivers and streams. Yuma Clapper Rail PHX, PIN X <4,500 ft./Fresh water and brackish marshes. Source: AZGF 2008, USFWS 2007 Sources: AZGF 2007, USFWS 2006 Section 8.0 Overview 35 Arizona Water Atlas Volume 8 to develop a Multiple-Species Conservation Plan (MSCP). No such plans affect the other AMAs. The Pima County MSCP was created to comply with the “take” provisions of the ESA.3 Incidental take of a listed species, as the result of carrying out an otherwise lawful activity, is not allowed without a permit from the USFWS.4 The final Pima County MSCP was released in December 2009 and was submitted to the USFWS for a 30-year Section 10 permit. The permit will provide mitigation to impacts on 49 species and approximately 36,000 acres. For the 36,000 impacted acres, Pima County proposes to acquire and protect about 125,000 acres of land by the end of the permit period. By 2009, the county had acquired over 71,000 acres of fee lands and was managing over 130,000 acres of State Trust Lands. (Pima County, 2009a) Southwestern willow flycatcher, one of the 49 species included in the Pima County MSCP. Photo courtesy of USFWS. Management (BLM), five by the United States Forest Service (USFS) and one administered by the National Park Service. The Planning Area also includes one National Wildlife Refuge (NWR), one National Park and four National Monuments (Figure 8.0-14). The national park The Pima County MSCP is part of a larger and one of the national monuments also contain planning effort known as the Sonoran Desert wilderness areas. In total there are over 823,000 Conservation Plan (SDCP), which covers 5.9 acres of protected federal lands in the planning million acres in Pima County and is focused area, accounting for approximately 9% of the on six elements: habitat, corridors, cultural land area. The Tucson AMA contains the largest resources, mountain parks, ranch conservation amount of protected areas with almost 372,000 and riparian protection. The SDCP planning acres. process began in 1998 as a way to create a science-based conservation plan, update the Nine wilderness areas are entirely within the county’s comprehensive land use plan, and planning area as well as parts of eight others. comply with the ESA. The plan directs growth Wilderness Areas are designated under the to areas with the least natural, historic, and 1964 Wilderness Act to preserve and protect cultural resource values as well as sets aside the designated area in its natural condition. sensitive habitat through land acquisitions. Designated wilderness areas, their size, AMA (Pima County, 2009b) location and a brief description are listed in Table 8.0-3. National Parks, Monuments, Wildlife Refuges and Wilderness Areas The largest protected area in the planning area consists of approximately 259,000 acres The AMA Planning Area contains 11 wilderness of the 496,000-acre Sonoran Desert National areas administered by the Bureau of Land Monument. The monument, located in the As defined by the ESA, to take means to “harass, harm, pursue, hunt, shoot, wound, kill, trap, capture or collect, or attempt to engage in other conduct” (16 U.S.C. section 1531 [18]). 4 “Incidental take” is defined by the ESA as a take that is “incidental to, and not the purpose of, the carrying out of an otherwise lawful activity” (50 C.F.R. section 17.22 and 17.32) 3 36 Section 8.0 Overview Arizona Water Atlas Volume 8 Section 8.0 Overview 37 Arizona Water Atlas Volume 8 Phoenix and Pinal AMAs and extending into the Lower Colorado River Planning Area, was established by executive proclamation in 2001 and contains extensive areas of saguaro cactus forest and archeological and historic sites. Two wilderness areas, North and South Maricopa Mountains, are contained within the monument boundaries. (BLM, 2008) Ruins National Monument was created as the nation’s first archeological reserve in 1892 and was declared a national monument in 1918. The monument preserves the ancient farming community and the “Great House” (NPS, 2008b). Tumacácori National Historical Park, located in the Santa Cruz AMA, protects three Spanish colonial mission ruins: Tumacácori, Guevavi, and Calabazas, located at three The Ironwood Forest National Monument, separate sites. Mission San Jose de Tumácacori located in the center of the planning area in the was established in 1691 and is the main site, Tucson and Pinal AMAs, includes over 129,000 located on 310 acres at the town of Tumacácori acres. An additional 60,000 acres of state trust south of Tubac. land and private inholdings are contained within the boundary of the monument but do not have The only national park in the planning area, national monument status. Designated in 2000, Saguaro National Park, preserves over 83,000 several endangered and threatened species are acres in two distinct districts, the Rincon found in the monument as well as more than Mountain District and the Tucson Mountain 200 sites dating from the Hohokam period (600 District, located on the east and west sides of A.D. to 1440 A.D). (BLM, 2008) Tucson in the Tucson AMA. Saguaro National Park may contain ten species of threatened, Other national monuments in the AMA Planning endangered, or sensitive plants. Seventy-five Area include the Hohokam Pima National percent of the park is designated as wilderness. Monument in the Phoenix AMA, and the Casa (NPS, 2008c) Grande Ruins National Monument in the Pinal AMA. Both national monuments protect ancient The Buenos Aires National Wildlife Refuge, Hohokam ruins. The village at the Hohokam located in the Tucson AMA, contains over Pima National Monument, located on the Gila 118,000 acres of habitat for threatened and River Indian Community reservation, was endangered plants and animals including re-covered with earth in the 1960s and is not reintroduced populations of masked bobwhite open to the public (NPS, 2008a). Casa Grande quail and pronghorn antelope. Concerns about public safety have caused managers to close approximately 3,500 acres of the refuge to the public along the U.S./Mexico border. (USFWS, 2008) 8.0.5 Population Cacti in the Sonoran Desert National Monument, Pinal AMA. 38 Arizona was the second fastest growing state from 2000 to 2006, with a 20.2% statewide population increase (4% annually). However, from 2006 to 2009 the statewide annual growth rate slowed to about 2% due to the national recession. Population in the planning area increased by 25% between 2000 and 2006 and Section 8.0 Overview Arizona Water Atlas Volume 8 Table 8.0-3 Wilderness areas in the AMA Planning Area Acres in the Planning Area AMA Description 2,738 Tucson Includes Baboquivari Peak; oak, walnut, and pinyon at higher elevations and saguaro, paloverde, and chaparral at lower elevations. 3,082 (Partial) Phoenix Desert plain escarpments, hills, fissures, chimneys and narrow canyons. 4,483 Tucson 1,309 Pinal 24,453 (Partial) Phoenix 10,322 Tucson 5,542 Santa Cruz 24,353 (Partial) Phoenix Low-elevation Sonoran Desert mountain range and extensive surrounding desert plains. Pajarito 7,553 Tucson Includes Sycamore Canyon and Sycamore Creek with rolling hills and oak woodlands. Pusch Ridge 56,769 Tucson Pine, fir, aspen, and maple forests; elevation ranging from 2,800 feet to over 9,100 feet. Rincon Mountain 11,127 Tucson Desert grasses at lower elevations and steep hillsides of pinyon, juniper, and oak above deep canyons at higher elevations. 68,399 Tucson Vegetation varies with elevation and includes desert scrub, desert grassland, oak woodland, pine-oak woodland, pine forest and mixed conifer forest. 11,715 Phoenix 3,041 Pinal Signal Mountain 1,830 (Partial) Phoenix Sharp volcanic peaks, steep-walled canyons, arroyos, craggy ridges and outwash plains. South Maricopa Mountains* 21,331 (Partial) Phoenix Low-elevation Sonoran Desert mountain range and extensive surrounding desert plains. Superstition 22,179 (Partial) Phoenix Rugged mountains, rock formations, large vegetation range, prehistoric dwellings, riparian habitat. Wilderness Area Baboquivari Peak Big Horn Mountains Coyote Mountains Hummingbird Springs Mount Wrightson North Maricopa Mountains* Saguaro* Sierra Estrella Rugged peaks, rounded bluffs, sheer cliff faces and large open canyons with paloverde, saguaro, chaparral, and oak woodlands. Includes Sugarloaf Mountain which rises steeply from the Tonopah Desert plains. Deep canyons, ridges and peaks surrounded by semiarid hills and sloping grasslands. Ponderosa pine, douglas-fir and montane Mexican plants that grow nowhere else north of the border. Steep slopes and rocky canyons with diverse plant communities. Includes Table Top Mountain with a 40-acre summit of desert grassland, narrow ridges, wide canyons, lava flows, and washes lined with mesquite and ironwood. Table Top 34,715 Pinal Woodchute 1,411 (Partial) Prescott Views, ponderosa pine, pinyon and juniper. Woolsey Peak 4,913 (Partial) Phoenix Sloping lava flows, basalt mesas, rugged peaks and ridges. Total 321,539 Source: BLM 2008, USFS 2008, NPS 2008 * Wilderness areas are within the boundaries of a National Monument or National Park. Section 8.0 Overview 39 Arizona Water Atlas Volume 8 Table 8.0-4 2000 Census population of basins India by 34%, mostly in unincorincreased Table 8.0-4 2000 Census population of AMAs andand reservations in the Active Management Areas porated areas where the combined Indian reservations population exceeded that of the City AMA/Reservation 2000 Census Population of Nogales for the first time in 2006. Phoenix AMA Gila River Fort McDowell Yavapai Salt River Pima-Maricopa Tucson AMA Pascua Yaqui Tohono O'odham Pinal AMA Ak-Chin Gila River Tohono O'odham Prescott AMA Yavapai-Prescott Santa Cruz AMA Total 3,056,706 7,855 929 6,243 811,307 93,580 85,742 35,579 4,082,914 Listed in Table 8.0-5 are communities in the planning area with 2000 Census populations greater than 1,000 3,315 persons and growth rates for two 2,034 time-periods: 1990-2000 and 20002006. As listed, there were a num752 ber of rapidly growing communities 3,435 in the planning area. The community 3,016 of Maricopa in the Pinal AMA grew 183 1,643% between 2000 and 2006. The community of Marana in the Tucson AMA grew 520% between the years 1990 and 2000 and an additional 125% from 2000 to 2006. Many other communities in the planning area grew by several hundred percent during one or both time periods. Gilbert, Surprise and Goodyear, all in the Phoenix AMA, grew by more than 200% between 1990 and 2000. The Town of Prescott Valley in the Prescott AMA grew by 164% in the same time-period. by 38% between 1990 and 2000. Census data for 2000 show a population of approximately 4.1 million residents and projections by the Arizona Department of Commerce and Councils of Government suggest that the planning area population will more than double by 2030 to over 9.1 million. Historic, current and projected AMA populations are shown in the cultural water demand tables for each AMA in Sections Population Growth and Water Use 8.1 - 8.5. A variety of regulatory programs and local initiatives address water use in conjunction with growth within the AMAs. Three examples at the state level that affect multiple AMAs include the Assured Water Supply Program, Growing Smarter legislation, and Community Water System Planning. Locally, communities and counties may have programs or requirements Almost all AMAs experienced growth rates in that address growth and water use through excess of the state average from 2000 to 2006. impact fees, zoning, planning guidelines and During this time-period Prescott AMA popula- ordinances. Ordinances may include water tion increased by 32%, Phoenix AMA popula- conservation features in new construction and tion increased by 22% and the Pinal AMA pop- landscape restrictions. Information on these ulation grew by 61%. The Tucson AMA popu- ordinances may be obtained by contacting local lation increased at a lower rate of 17% during planning and zoning departments. this period. In the Santa Cruz AMA, population The Phoenix AMA is the most populous AMA with approximately 75% of the total planning area population in 2000. The Tucson AMA has the second largest percentage of population in the planning area with 20% in 2000. The 2000 Census populations for each AMA and Indian reservations are shown in Table 8.0-4. 40 Section 8.0 Overview Arizona Water Atlas Volume 8 Table 8.0-5 Communities in AMAs with a census population greater than 1,000 (listed by 2000 population) AMA 1990 Census Pop. 2000 Census Pop. Phoenix 983,392 1,321,045 Percent Change 1990-2000 34% Tucson Tucson 405,371 486,699 20% 534,685 10% 671,225 Mesa Phoenix 288,104 396,375 38% 451,360 14% 584,866 Glendale Phoenix 147,864 218,812 48% 243,540 11% 322,062 Scottsdale Phoenix 130,075 202,705 56% 237,120 17% 286,020 Chandler Phoenix 89,862 176,581 97% 235,450 33% 283,792 Tempe Phoenix 141,993 158,625 12% 165,890 5% 197,970 Gilbert Phoenix 29,122 109,697 277% 185,030 69% 300,295 Communities Phoenix 2006 Pop. Estimate 1,505,265 Percent Projected 2030 Change 2000Pop. 2006 14% 2,201,843 Peoria Phoenix 50,675 108,364 114% 145,135 34% 306,070 Avondale Phoenix 16,169 35,883 122% 72,210 101% 123,265 Prescott Prescott 26,592 33,938 28% 42,085 24% 68,099 Apache Junction Phoenix 18,092 31,814 76% 35,685 12% 113,928 Surprise Phoenix 7,122 30,848 333% 98,140 218% 401,458 Oro Valley Tucson 6,670 29,700 345% 40,215 35% 60,344 Pinal 19,076 25,224 32% 38,455 52% 114,613 Casa Grande Prescott Valley Prescott 8,904 23,535 164% 35,740 52% 73,737 Santa Cruz 19,489 20,878 7% 21,765 4% 26,356 Fountain Hills Phoenix 10,030 20,235 102% 24,990 23% 33,810 Goodyear Phoenix 6,258 18,911 202% 49,720 163% 299,397 Florence Pinal 7,321 14,466 98% 21,295 47% 63,791 Paradise Valley Phoenix 11,773 13,664 16% 14,000 2% 15,352 Marana Tucson 2,187 13,556 520% 30,435 125% 89,761 Pinal 7,211 10,375 44% 11,535 11% 40,571 Nogales Eloy Buckeye Phoenix 4,436 8,497 92% 31,745 274% 419,146 Prescott 4,837 7,835 62% 12,700 62% 30,286 Coolidge Pinal 6,934 7,786 12% 9,950 28% 37,609 El Mirage Phoenix 5,001 7,609 52% 32,605 329% 38,717 South Tucson Tucson 5,171 5,490 6% 5,805 6% 5,675 Guadalupe Phoenix 5,458 5,228 -4% 5,570 7% 5,983 Tolleson Phoenix 4,434 4,974 12% 6,520 31% 10,193 Queen Creek Phoenix 2,667 4,316 62% 18,690 333% 72,947 Litchfield Park Phoenix 3,303 3,810 15% 4,890 28% 10,510 Chino Valley Cave Creek Phoenix 2,925 3,728 27% 4,865 30% 9,656 Superior Phoenix 3,468 3,254 -6% 3,325 2% 4,249 Sahuarita Tucson 1,629 3,242 99% 18,035 456% 84,714 Youngtown Phoenix 2,542 3,010 18% 6,320 110% 7,359 Carefree Phoenix 1,657 2,927 77% 3,785 29% 6,097 Pinal - 1,482 N/A 25,830 1643% 90,521 Prescott - - N/A 4,230 N/A 6,082 2,487,814 466,829 2,954,643 3,575,118 507,796 4,082,914 44% 9% 38% 4,434,610 667,592 5,102,202 24% 31% 25% 7,518,369 1,646,811 9,165,180 Maricopa Dewey - Humboldt Total > 1,000 Other Total Source: DES 2005, US Census Bureau 2006 Section 8.0 Overview 41 Arizona Water Atlas Volume 8 Assured Water Supply Program The Department’s Assured Water Supply (AWS) program, created as part of the 1980 Groundwater Management Code, is designed to preserve groundwater resources and to promote long-term water supply planning in the AMAs. This is accomplished through regulations that limit the use of groundwater by new subdivisions that require a “Certificate” of AWS and by “Designated” Water Providers that have demonstrated an AWS for their entire service area. Every developer proposing to build a new subdivision is required to demonstrate an AWS that will be physically, legally, and continuously available for the next 100 years before the developer can record plats or sell parcels. The Arizona Department of Real Estate will not issue a Public Report, which allows the developer to sell lots, without a demonstration of an AWS. In 1995, the Department adopted AWS Rules to implement the AWS statutes. An important component of the AWS Rules is the requirement to demonstrate that renewable water supplies will be used rather than mined groundwater. This requirement did not apply to the Prescott AMA until 1999 when the AMA was declared to no longer be in a safe-yield condition. The Santa Cruz AMA was established July 1, 1994 near the end of the period when the AWS Rules were being drafted. Consequently, it was not possible to include rule provisions that applied to the management goal of the Santa Cruz AMA at that time since goal criteria had not been developed. Although the general provisions apply, the Department is still developing specific AWS Rules for the Santa Cruz AMA where relatively limited groundwater storage capacity directly influences the availability of water supplies and where the hydrologic situation may affect the course of population growth in this AMA. 42 Following adoption of the AWS Rules, rapid population growth in the Pinal AMA led to modification of the AMA’s AWS Rules in order to reduce the over allocation of unreplenished groundwater supplies. This rule change, which took effect on October 1, 2007, substantially reduced the volume of groundwater that can be used without replenishment by new developments, from close to 100% under the old rules to as little as 10% under the new rules. Under the AWS Rules, developers can prove a 100-year water supply by satisfying the requirements to obtain a Certificate of AWS or by a written commitment of service from a provider with a Designation of AWS. The AWS Rules list in detail what an applicant for a Certificate of AWS or a Designation of AWS must demonstrate. In addition to securing a water supply that is physically, legally, and continuously available for the next 100 years, to obtain a Certificate the developer must prove that the supply is of sufficient quality and is consistent with the AMA management goal and management plan. Finally, the developer must demonstrate the financial capability to construct any necessary water storage, treatment, and delivery systems. Water providers seeking a Designation of AWS must demonstrate a 100year water supply for their entire service area for both current and committed demand, as well as projected demand. A list of Designated water providers in the planning area can be found in Table 8.0-6. Before the AWS program was created in 1980, the Adequate Water Supply program was effective statewide. This program was created in 1973 as a consumer protection program and is still in effect outside the AMAs. If a developer can successfully demonstrate that water of sufficient quality will be physically, legally and continuously available for the next hundred years, the Department will issue a Water Adequacy Report with a determination that the Section 8.0 Overview Arizona Water Atlas Volume 8 water supply is adequate. If the Department determines that there is an inadequate water supply, the developer can still sell the lots in most areas but must disclose this fact to potential buyers.5 Because the Adequate Water Supply program was in effect in the planning area prior to 1980, some Water Adequacy Reports issued for older developments in the AMAs exist. Prior to obtaining a Certificate of AWS, developers also have the option to obtain an Analysis of AWS (Analysis). An Analysis is generally used to prove that water will be physically available for master planned communities but may be used to demonstrate other criteria required for a Certificate of AWS. An applicant for an Analysis must demonstrate that one or Table 8.0-6 Designated water providers in the AMA Planning Area as of 12/2008 Projected Year of Projected Annual or Annual or Estimated Estimated Demand (af/yr) Demand AMA County Designation No. Date Application Received Date Designation Issued Phoenix Pinal 26-400989.0000 06/09/03 02/01/05 Santa Cruz Santa Cruz 26-400800.0000 08/13/02 11/17/04 333 2011 Phoenix Phoenix Pinal Phoenix Phoenix Pinal Phoenix Phoenix Phoenix Santa Cruz Phoenix Phoenix Prescott Phoenix Phoenix Phoenix Tucson Maricopa Maricopa Pinal Maricopa Maricopa Pinal Maricopa Maricopa Maricopa Santa Cruz Maricopa Maricopa Yavapai Maricopa Maricopa Maricopa Pima 26-401242.0000 86-002003.0001 26-400728.0000 26-002009.0000 26-400054.0000 26-402148.0000 26-002018.0000 26-402090.0000 26-002023.0000 26-401358.0000 26-400679.0000 26-002030.0000 26-401501.0000 26-400619.0000 26-300431.0000 26-002043.0000 26-400957.0000 02/11/04 06/11/07 05/06/02 02/15/95 03/22/99 05/10/06 03/15/95 04/07/06 05/28/96 05/14/04 01/18/02 10/11/96 09/02/04 10/11/01 11/11/97 03/27/97 04/29/03 04/07/04 02/04/08 07/21/03 12/31/97 11/02/99 02/20/07 09/25/97 01/27/08 09/19/97 04/19/05 10/17/02 12/31/97 09/16/05 04/25/02 09/07/99 12/31/97 06/12/07 8,000 21,186 4,113 63,615 7,695 49,159 57,074 15,940 105,061 6,322 39,325 356,521 14,350 105,986 20,334 70,462 183,956 2014 2010 2013 2010 2010 2015 2010 2010 2010 2009 2010 2010 2014 2008 2010 2010 2015 Phoenix Pinal 26-400665.0000 12/26/01 08/12/03 5,633 2011 Pinal Pinal 26-401382.0000 05/26/04 10/14/05 551 2007 Tucson Pima 26-402254.0000 07/31/06 05/07/07 7,580 2017 Metropolitan Domestic Water Imp. Dist. - West Tucson Pima 26-401922.0000 10/20/05 09/25/06 1,014 2016 Metropolitan Domestic Water Improvement District Tucson Pima 26-401062.0000 09/02/03 07/31/06 13,302 2016 Rancho Sahuarita Water Company Tucson Pima 26-401203.0000 01/06/04 12/01/04 2,578 2014 Santa Cruz Water Company Pinal Pinal 26-402008.0000 01/24/06 12/27/07 23,979 2013 Spanish Trail WC Town of Florence Town of Gilbert Town of Oro Valley Vail Water Company Willow Springs Utilities Company Tucson Pinal Phoenix Tucson Tucson Pima Pinal Maricopa Pima Pima 26-000170.0000 26-401284.0000 26-402208.0000 26-400765.0000 26-401752.0000 07/18/97 03/12/04 06/19/06 07/01/02 05/03/05 04/16/96 01/25/05 10/30/07 06/26/03 11/10/05 1,843 12,310 70,954 15,049 3,749 2005 2014 2010 2013 2015 Tucson Pinal 26-402225.0000 07/06/06 04/15/08 2,635 2017 Water Provider Apache Junction Water Facilities Dist. Baca Float Water Company, Inc. Chaparral City Water Co City of Avondale City of Casa Grande City of Chandler City of El Mirage City of Eloy City of Glendale City of Goodyear City of Mesa City of Nogales City of Peoria City of Phoenix City of Prescott City of Scottsdale City of Surprise City of Tempe City of Tucson Johnson Utilities Company Phoenix AMA Johnson Utilities Company Pinal AMA Marana Municipal Water System Section 8.0 Overview 2,769 2011 43 Arizona Water Atlas Volume 8 more of the requirements for an AWS are met, but need not demonstrate that all have been met. If an Analysis is issued for groundwater, it reserves a specific volume of water for 10 years for the specific property that is the subject of the Analysis. However, an Analysis cannot be used to obtain a Public Report and must be followed by a complete demonstration of all the criteria to obtain a Certificate of AWS. A summary of the planning area’s AWS determinations through 2008, including AWS Certificates (27’s), Analysis of AWS (28’s), Water Adequacy Reports (53’s) and AWS Designations (26’s) can be found in Table 8.0-7. Detailed information on individual determinations are found in the AMA Assured Water Supply sections, 8.1.9 - 8.5.9. Up to date information on certificate and designation applications and issuances are found on the Department’s website. Growing Smarter Four out of the five counties in the planning area have requirements under the Growing Smarter Plus Act of 2000 (GSP Act). The GSP Act requires that counties with a population greater than 125,000 (2000 Census) include planning for water resources in their Comprehensive Plans. Counties in the planning area that must meet this requirement are Maricopa, Pinal, Pima and Yavapai. Santa Cruz is the only county in the planning area with a population less than 125,000 residents. The GSP Act also requires that 30 communities in the AMAs include a water resources element in their general plan. These communities are: Phoenix AMA: • Apache Junction • Fountain Hills • Peoria • Avondale • Gilbert • Phoenix • Buckeye • Glendale • Queen Creek • Cave Creek • Goodyear • Scottsdale • Chandler • Mesa • Surprise • El Mirage • Paradise Valley • Tempe Pinal AMA: • Casa Grande • Florence • Eloy • Maricopa Prescott AMA: • Chino Valley • Prescott Valley • Prescott Santa Cruz AMA: • Nogales Tucson AMA: • Marana • Sahuarita • Oro Valley • Tucson All communities have complied with the general plan requirement. Plans must consider water demand and water resource availability in conjunction with growth, land use and infrastructure. These plans may contain useful water resource information. Table 8.0-7 Assured Water Supply determinations in the AMA Planning Area as of 06/2008 Phoenix AMA Pinal AMA Prescott AMA Santa Cruz AMA Tucson AMA Total AWS Certificates 1118 214 104 34 230 1700 Analyses of AWS 61 19 2 6 16 104 Water Adequacy Reports 208 16 8 32 90 354 AWS Designations 15 5 1 2 9 32 Note: Lot count totals may over estimate actual platted lots due to database accounting, changes in file numbering methodology and subsequent development plan changes. 5 Legislation adopted in 2007 allows counties, cities or towns to require a demonstration of adequate water supply before a final plat can be approved. 44 Section 8.0 Overview Arizona Water Atlas Volume 8 Community Water System Planning Beginning in 2007, all community water systems in the state were required to submit annual water use reports and system water plans to the Department. The reports and plans are intended to reduce system vulnerability to drought, and to promote water resource planning to ensure that water providers are prepared to respond to water shortage conditions. Most community water systems located within the AMA Planning Area were already reporting their annual water use to the Department and have been regulated under the Department’s mandatory municipal conservation program since the early 1980s. The other, “non-regulated” AMA community water systems must now also submit annual water use reports to the Department and all systems in the AMAs are now subject to the system water plan requirements. However, exemptions from some components of the plans may apply for large municipal providers, as well as providers with an AWS designation. ciations; watershed groups; county water advisory councils; non-profit conservation groups; water augmentation authorities; and county associations of government. In the Tucson AMA, the Sonoran Desert Conservation Plan was initiated by Pima County in 1998 in response to conservation needs of rare species, and as an effort to balance growth and environmental concerns. The plan covers 59 million acres within Pima County. The SDCP was incorporated into Pima County’s comprehensive land use plan in 2001 and addresses issues such as land use and water availability. The Groundwater Code established a fivemember Groundwater Users Advisory Council (GUAC) within each AMA (A.R.S. § 45-420). Members of the councils are appointed by the governor to represent the users of groundwater in the AMA, and on the basis of their knowledge, interest, and experience with problems relating Local Drought Impact Groups (LDIGs) are to the development, use and conservation of county-level voluntary groups created to water. The GUACs provide recommendations coordinate drought public awareness, provide on groundwater management programs and impact assessment information to local and policies to the AMA Director, and to the Director state leaders, and implement and initiate local of the Department. drought mitigation and response actions. These groups are coordinated by local representatives of Arizona Cooperative Extension and County Emergency Management and supported by ADWR’s Statewide Drought Program. By the end of 2009 LDIG groups had been formed in Yavapai, Pinal, Pima and Santa Cruz counties. Local Initiatives A number of local initiatives address water use and growth in the AMAs. Citizen-based advocacy groups, and government-sponsored advisory groups, provide input into the growth and water use decision-making process within the AMA Planning Area. These groups may include municipal and regional water users asso- View of Scottsdale, Phoenix AMA. Scottsdale is one of 30 communities in the AMA Planning Area that have a water resource element in the general plan. Section 8.0 Overview 45 Arizona Water Atlas Volume 8 8.0.6 Water Supply Water supplies in the AMA Planning Area include Central Arizona Project (CAP) water, surface water, groundwater and effluent. As shown in Figure 8.0-15, on average more than half of the annual water demand in the planning area from 2001-2005 was met with non-groundwater supplies. These non-groundwater or renewable supplies are primarily comprised of CAP water and surface water diverted from the Salt, Verde, Gila, Agua Fria or Santa Cruz rivers. Effluent is a smaller but growing non-groundwater source used in the planning area. met with non-groundwater sources and 36% of its demand was met with groundwater. (See Figure 8.0-20) During 2001-2005 the Prescott AMA used primarily groundwater supplies with approximately 19% of demand met by effluent and surface water. The Santa Cruz AMA uses a combination of groundwater and surface water from the younger alluvium that is withdrawn from wells and collectively considered groundwater. Between 2001 and 2005, the Tucson AMA used approximately 74% groundwater and 26% nonNon-groundwater supplies were the primary groundwater supplies to meet demands. Howwater supply in the Pinal and Phoenix AMAs ever, the percentage of non-groundwater sourcduring 2001-2005. In the Pinal AMA, 53% es, primarily CAP, used in the Tucson AMA has of the average annual water demand between increased rapidly since 2001 due to increased 2001-2005 was met with a non-groundwater recharge and recovery capacity in the municipal source and 47% of the demand was met with sector. groundwater. The Phoenix AMA also relies heavily on non-groundwater sources; 64% of Central Arizona Project Water the average annual demand in 2001-2005 was The primary non-groundwater supply in the Figure 8.0-15 Average Annual Water planning area is CAP water. The CAP was Supply Utilized in the AMA Planning constructed to annually deliver 1.5 maf of Area 2001-2005 Arizona’s allocation of Colorado River water to Effluent Maricopa, Pima and Pinal and counties through a series of canals and pumping stations (Figure 4% 8.0-16). The delivery system is 336 miles long and lifts Colorado River water 2,400 feet to its terminus just south of the City of Tucson. Water is withdrawn at Lake Havasu at the Mark Wilmer Pumping Plant. It then crosses the CAP Parker, Ranegras Plain and Harquahala basins Groundwater 32% in the Lower Colorado River Planning Area 43% via the Hayden-Rhodes Aqueduct to the CAP service area in central and southern Arizona. Surface Water 21% 46 The CAP canal enters the planning area on the western side of the Phoenix AMA and runs toward the east and southeast across much of the AMA. A significant portion of CAP water is stored in Lake Pleasant behind New Waddell Section 8.0 Overview Arizona Water Atlas Volume 8 Dam, completed in 1992, at the northern edge of the Phoenix AMA. It then travels in a southerly direction and enters the Pinal AMA north of Florence, crosses the northeastern portion of the AMA and enters the Tucson AMA near Picacho Peak. The CAP canal terminates at Pima Mine Road in the Tucson AMA just south of the San Xavier District of the Tohono O’odham Nation. Turnouts from the CAP aqueduct connect it to municipal water treatment plants and irrigation district canals for distribution. CAP water is used both directly and indirectly through the Department’s recharge program (described below) in the Phoenix, Pinal and Tucson AMAs. CAP water was first used in the planning area in 1985. non-Indian agricultural subcontracts have been declined or terminated and CAP water is used pursuant to the Department’s recharge program. The status of CAP subcontracts as of October, 2009 is found in Appendix B. According to the status report, subcontract totals were: M&I Subcontracts Indian Contracts Non-Indian Agricultural Subcontracts Currently Uncontracted Water Other Project Water Under Contract 620,678 acre-feet 555,806 acre-feet 9,026 acre-feet 155,787 acre-feet 73,703 acre-feet To encourage the direct use of renewable water There are three main CAP contract categories: supplies, the recharge program restricts the non-Indian municipal and industrial (M&I), type of water that may be stored long-term to non-Indian agricultural and Indian. Almost all renewable water supplies that cannot be used Figure 8.0-16 Central Arizona Project System Map Source: CAP, 2009 Section 8.0 Overview 47 Arizona Water Atlas Volume 8 directly. Persons who wish to store water through the recharge program must apply to the Department for permits. There are two types of facilities and associated permits; Underground Storage Facility (USF) Permits and Groundwater Savings Facility (GSF) Permits. In addition, a Water Storage (WS) Permit (A.R.S. § 45831.01) allows the permit holder to store water at a USF or a GSF and a Recovery Well (RW) Permit (A.R.S. § 45-834.01) allows the permit holder to recover long-term storage credits or to recover stored water annually. Some CAP water use on non-Indian agricultural land is pursuant to GSF Permits (A.R.S. § 45812.01), which allows the permit holder to deliver a renewable water supply, called “in lieu” water, to a recipient (farm) who agrees to replace groundwater pumping with in lieu water, thus creating a groundwater savings. The permit holder accrues recharge credits which can be recovered later from a well elsewhere in the AMA (or INA). When withdrawn, the water retains the character of the water that was recharged at the GSF. Avra Valley Underground Storage Facility, Tucson AMA. to the aquifer; and effluent stored at managed facilities carries a 50% cut to the aquifer. Most of the water delivered to recharge facilities in the AMA Planning Area is CAP water with lesser amounts of effluent and surface water. In 2005, over 423,000 acre-feet of CAP water, 91,600 acre-feet of effluent and 11,400 acrefeet of surface water were delivered to USFs and GSFs, for a total of over 526,000 acre-feet delivered. By the end of 2008, more than 3.3 maf of long term storage credits had been accrued A USF Permit (A.R.S. § 45-811.01) allows the in the AMA Planning Area. The location of permit holder to operate a facility that stores water GSF and USF sites and facility information are in the aquifer in one of two ways. A constructed shown on maps and tables in the groundwater underground storage permit allows water to conditions section for each AMA. be stored by using some type of constructed device, such as an injection well or percolation Surface Water basin. A managed underground storage facility permit allows water to be discharged Physical Supplies to a naturally water-transmissive area such as In addition to CAP water, other major sources a streambed where the water percolates into the of surface water in the planning area are the aquifer without the assistance of a constructed Salt and Verde rivers, which supply the Phoenix device. Not all the water stored at a USF is AMA and the Gila River; supplying the Phoenix recoverable. The recharge statutes require that and Pinal AMAs. a certain percentage of the recharged volume be made non-recoverable to benefit the aquifer. The dams and reservoirs on the Salt and Verde These non-recoverable volumes are called cuts rivers, located in the Central Highlands Planto the aquifer. CAP water stored at constructed ning Area and operated by the Salt River Valfacilities carries a 5% cut to the aquifer; effluent ley Water Users Association, or SRP, store and stored at constructed facilities carries no cut release water for the benefit of agricultural, mu- 48 Section 8.0 Overview Arizona Water Atlas Volume 8 nicipal and industrial users in the Phoenix metropolitan area. SRP was established in 1903 as the nation’s first multipurpose reclamation project. It is the nation’s third largest public power utility and one of the state’s largest water suppliers. Working with other agencies, the SRP manages or assists with the management of seven dams; the six shown in Figure 8.0-17. Water stored in C.C. Cragin Dam, located in the Eastern Plateau Planning Area, may be pumped into the East Verde River for use in the Phoenix AMA. This reservoir system is utilized in conjunction with about 250 groundwater wells to provide water through 131 miles of canal to a 2,900 square mile service area that delivers more than 1.0 maf of water annually to its customers. The service area encompasses portions of the East Salt River Valley and West Salt River Valley sub-basins in the Phoenix AMA, including portions of Chandler, Gilbert Glendale, Mesa, Peoria, Phoenix, Scottsdale, Tempe and Tolleson. (SRP, 2008) Historically, SRP water was primarily used for agricultural irrigation; now a large portion of the project’s service area is urbanized. In addition to SRP, the Roosevelt Water Conservation District and the Buckeye Water Conservation District use surface water from the Salt and Verde rivers. The total capacity of the SRP reservoir system and maxiumum storage elevations are shown in Figure 8.0-17. Capacity on the Salt River system is over 2.0 maf, primarily at Roosevelt Lake. The capacity of the reservoir was increased by 20% with completion of a 77foot dam heightening project in 1996. The new conservation space between 2,151 feet and the pre-modification elevation of 2,136 feet is available to six valley cities. Flood control storage is between elevations 2,151 and 2,175 feet. The space between 2,175 feet and the maximum storage elevation of 2,218 feet is called safety of dam space. By comparison, the Verde River system reservoirs are considerably smaller with a storage capacity of over 302,000 acre-feet and average annual inflows exceeding Figure 8.0-17 Profile View of SRP Salt and Verde Reservoir System C.C.Cragin Dam 6720’ 6720’ - Horseshoe - 2000’ 109,217 AF 1798’ EastClearCreekStorage: 15,000AF C.C. Cragin 15,000 AF Horseshoe Dam 2026’ Bartlett Dam 2100’ - HorseMesa Dam 1914’ MormonFlat Dam Stewart 1660.5’ Mountain Dam 1610.5’ 1529’ 1506’ - VERDECONSERVATION STORAGE: 302,403AF 2151’ Top of Conservation 1891’ - Bartlett - 1748’ 178,186 AF VerdeRiverStorage: 287,403AF Roosevelt Dam 2218’ Top of Safety of Dams Roosevelt Lake 1,653,043 AF Apache Lake 245,138 AF Canyon Lake 57,852 AF Saguaro Lake 69,765 AF SALTCONSERVATION STORAGE: 2,025,798AF TotalConservationStorage:2,328,201AF Source: SRP 2010 Section 8.0 Overview 01/09/07REF/SVRSCIAFͲ1 49 Arizona Water Atlas Volume 8 storage capacity. Consequently, the Verde River reservoirs are managed to minimize the potential for spill during the winter months, with releases of water during the fall, winter and spring (Ester and Reigle, 2001). As shown in Figure 8.0-18, storage in SRP dams fluctuates as water is collected and then released to meet water demands. The impact of drought conditions can be observed during 1989 and again beginning in the mid 1990s. Substantial storage recovery is seen in 2005 and 2008 following wet winters. As of February 1, 2010, storage in the Salt River system was 95% of capacity after a series of strong winter storms. Just a month before, on January 1, 2010, storage was 79% of capacity. Storage volumes in the Verde River reservoirs, particularly Horseshoe Lake, have been reduced to almost zero at times dur- ing recent drought years. On June 1, 2007, storage in the total Verde system had been reduced to 27% of capacity but by June 1, 2009 had increased to 63% of capacity. By February 1, 2010, the storage volume had increased to 83% of capacity. (CAP, 2010) Water from the Gila River is used primarily for agricultural irrigation. The primary storage and flood control facility on the Gila River is Coolidge Dam located in the Southeastern Arizona Planning Area about 30 miles southeast of Globe. The dam is part of the San Carlos Irrigation Project (SCIP). Water is diverted in the Pinal AMA for the SCIP at Ashurst-Hayden Diversion Dam located 12 miles east of Florence. The dam, completed in 1922, consists of diversion works and is not a storage or flood control facility. Diverted water is conveyed to Figure 8.0-18 Water Stored on May 1st in SRP Reservoirs on the Verde and Salt Rivers, 1980-2009 2,400,000 2,200,000 2,000,000 1,800,000 1,600,000 acre-feet 1,400,000 1,200,000 1,000,000 800,000 600,000 400,000 200,000 2008 2006 2004 2002 2000 1998 1996 1994 1992 1990 1988 1986 1984 1982 1980 0 Year Source: Compilation of data from CLIMAS Drought Monitor and GRIC Settlement Technical Assessment (ADWR 2006b) 50 Section 8.0 Overview Arizona Water Atlas Volume 8 the San Carlos Irrigation and Drainage District (SCIDD), located in the Pinal AMA, consisting of approximately 200 miles of unlined main and lateral canals and 40 miles of canals owned jointly with the SCIP (ADWR, 1998b). In addition to agricultural uses, SCIDD delivers Gila River water mixed with groundwater for landscape irrigation to subdivisions, schools and parks in Casa Grande, Coolidge and Florence (ADWR, 1999b). The SCIP also delivers Gila River water to tribal lands within the Gila River Indian Community located in the Phoenix and Pinal AMAs. The Buckeye Water Conservation and Drainage District in the West Salt River Sub-basin of the Phoenix AMA also uses Gila River water as part of its water supply. Ashurst-Hayden Diversion Dam, Pinal AMA. The dam, completed in 1922, consists of diversion works and is not a storage or flood control facility. agreement with CVID, the City maintains the lakes for recreational purposes and releases Maricopa Water District (MWD) in the West approximately 1,500 AFA for recharge, which Salt River Valley Sub-basin uses a combination it recovers on an annual basis. In return the of CAP and Agua Fria River water stored in City provides up to 1,500 acre-feet annually of Lake Pleasant behind New Waddell Dam. This recovered effluent credits to CVID members water is delivered to the MWD service area via for irrigation. While the City also holds rights the 33-mile Beardsley Canal. MWD owned and to water stored in Lynx and Upper Goldwater operated Waddell Dam, the original storage and reservoirs, this water is not used as a water flood control structure on the Agua Fria River, supply. which was later inundated by the enlarged Lake Pleasant. (ADWR, 1998b) Legal Availability State statutes, ongoing water rights adjudicaA few other sources of surface water are utilized tions, court decrees and settlements all affect in the planning area. When available, Santa the use of surface water supplies in the planning Cruz River water is diverted for agricultural area and are discussed below. In addition, enirrigation by some growers in the Central vironmental laws, instream flow rights and enArizona Irrigation and Drainage District in vironmental protection designations assign surthe Eloy Sub-basin of the Pinal AMA (ADWR face water supplies to environmental purposes. 1998b). In the Tucson AMA, surface water These are discussed further in Section 8.0-4 and diverted from Cienega Creek is used for turf include the Endangered Species Act and associirrigation at Del Lago Golf Course at Vail and ated habitat conservation plans. springs are the water supply for the community of Summerhaven, located in the Santa Catalina Rights to surface water in Arizona are subject Mountains. to the doctrine of prior appropriation, which is based on the tenet “first in time, first in right”. In the Prescott AMA, the City of Prescott has This means that the person who first put the acquired rights to water stored in Watson Lake water to a beneficial use acquires a right that is and Willow Creek reservoirs from the Chino superior to all other surface water rights with a Valley Irrigation District (CVID). Under an later priority date. Under the Public Water Code, Section 8.0 Overview 51 Arizona Water Atlas Volume 8 beneficial use is the basis, measure and limit to the use of water. The surface water rights system is further discussed in a later sub-section. Arizona has two general stream adjudications in progress to determine the nature, extent and priority of water rights across the entire Gila River and Little Colorado River systems. The adjudications will recognize existing water right decrees and settlements (discussed below) and adjudicate all remaining water rights claims in the river systems. Pertinent to the AMA Planning Area, the Gila River Adjudication is being conducted in the Superior Court of Arizona in Maricopa County. The Gila Adjudication was initiated by petitions filed by several parties in the 1970’s, including Salt River Project, Phelps Dodge Corporation and the Buckeye Irrigation Company. The petitions were consolidated in 1981 into a single proceeding. The Gila Adjudication includes seven adjudication watersheds - Upper Salt, San Pedro, Agua Fria, Upper Gila, Lower Gila, Verde, and Upper Santa Cruz. Most of the Upper Santa Cruz and parts of the Agua Fria, Lower Gila, Upper Salt and Verde adjudication watersheds are within the planning area boundaries. These watersheds do not coincide with the 6-digit HUC watersheds discussed previously and shown in Figure 8.0-5. The entire Gila Adjudication includes over 24,000 parties. Further, it established the concept of normal flow rights whereby the land on which water was first used had first right to water normally flowing in the river, and water other than normal flow (stored and developed water) was to be shared equally on lands within a water users association. The Benson-Allison Decree (1917) addressed irrigation lands in the Phoenix AMA that are entitled to divert water from the Salt, Agua Fria and Gila rivers. Most of the rights in a prior decree, the Haggard Decree, were encompassed in this decree. The 2004 Arizona Water Settlements Act (Act) allocates over 700,000 AFA to the Gila River Indian Community (GRIC) and the Tohono O’odham Nation (TON) (Bark, 2009). Title I of the Act settled the Central Arizona Project debt repayment obligation at $1.65 billion and reallocated CAP water between federal (Indian) and state (non-Indian) uses including the reallocation of high priority uncontracted CAP water to cities. Title II of the Act allocates 653,500 AFA to the GRIC who have signed a number of water leases and exchanges that provide water to municipalities. The GRIC water entitlement includes water from the CAP, SRP, groundwater and a reclaimed water exchange with the cities Court determinations that currently affect the of Mesa and Chandler. This exchange provides distribution of surface water supplies in the treated effluent for part of the tribe’s CAP water planning area including the Kent and Benson- on a 5 to 4 ratio and allows the cities to use Allison decrees. The Kent Decree (1910) deter- potable water for municipal uses and the tribe mined that almost 240,000 irrigable acres in the receives treated effluent for agricultural use. Salt River Valley had a right to water diverted (Smith and Colby, 2007) from the Salt and Verde rivers for agricultural purposes and determined which lands were en- In addition, Title II includes agreements by titled to receive water from Roosevelt Lake. parties not to drill new wells near the reservation The Salt River Valley Water Users Association boundary, or to limit pumping. (ADWR, is responsible for the proper accounting and 2006b) delivery of water pursuant to the decree. The Kent Decree also increased and decreed Salt C.C. Cragin Reservoir, formerly referred to as River Indian Reservation rights and recognized Blue Ridge Reservoir, located approximately Fort McDowell Indian Reservation water users. 25 miles north of Payson, was acquired by SRP 52 Section 8.0 Overview Arizona Water Atlas Volume 8 A Certificate of Water Right (CWR) may be issued if the terms of the permit to appropriate water (3R, 4A or 33, and in certain cases, 38) are met. CWRs retain the original permit application number. Statements of claim of right to use public waters (36) have also been filed, but their filing does not in itself create a water right. Surface water rights can also be determined through judicial action in state or federal court in which the court process establishes or confirms the validity of the rights Title III of the Act, the Southern Arizona Water and claims and ranks them according to priority. Rights Settlement Act (SAWRSA) settled Court decreed rights are considered the most litigation concerning the 1982 SAWRSA certain surface water right. settlement. It allocated 79,200 acre-feet of water per year to the San Xavier and eastern Schuk Table 8.0-8 summarizes the number of surface Toak Districts of the TON within the Tucson water right and adjudication filings in the AMA. The allocated rights include: 13,200 planning area. The methodology used to AFA of “underground water”; 37,800 AFA query the Department’s surface water right of currently contracted CAP Indian Priority and SOC registries is described in Appendix Water; and 28,200 AFA of new CAP Non- C. Of the 35,417 filings that specify surface Indian Agricultural Priority Water. The Act also water diversion points and places of use in the allows limited off-reservation water leasing. planning area, 3,184 CWRs have been issued to Implementation of SAWRSA includes a special date. Figure 8.0-19 shows the location of surface management zone adjacent to and outside the water diversion points listed in the Department’s reservation boundaries, the San Xavier Buffer surface water rights registry. The numerous Zone, in which the drilling of non-exempt new points reflect the large number of stockponds wells is restricted. and reservoirs that have been constructed in the planning area as well as diversions from streams Surface Water Right System and springs. Locations of registered wells, many The legal framework and process under which of which are referenced as the basis of claim in surface water right filings are administered SOCs are also shown in Figure 8.0-19. is complex. Each type of surface water right filing is assigned a unique number with a prefix Results from the Department’s investigation as explained in Appendix C and listed in Table of surface water right and adjudication filings 8.0-8. All parties who use water or claim to have are presented in Hydrographic Survey Reports a water right within the two adjudication areas (HSRs) and other adjudications-related reports. are required to file a statement of claimant or Within the AMA Planning Area, two preliminary SOC (39) in the adjudication, or risk loss of their HSRs were published for the Gila River Indian right. This includes reserved water rights for Reservation (1996 and 1999) and one draft public lands and Indian reservations, of which HSR for the Upper Salt River (1992). Technical only some have been quantified or prioritized. assessments of water right settlements for Other surface water right filings are discussed several Indian tribes including the Salt River below. Pima-Maricopa Indian Community (1991); Fort McDowell Indian Community (1993); San from Phelps Dodge Corporation in February 2005 as part of the Arizona Water Settlement Act. The reservoir satisfies obligations to the Gila River Indian Community in the Phoenix AMA and will be used to supplement SRP’s water supply via diversions from the reservoir into the East Verde River. The Act also allocated 3,500 AFA from the reservoir to northern Gila County, of which 3,000 AFA will be used by Payson. (SRP, 2007) Section 8.0 Overview 53 Arizona Water Atlas Volume 8 Table X.X-x Count of Inventory of Surface Water Right and Adjudication Filings in the Active Management Areas 1 Table 8.0-8 Inventory of surface water 1 right and adjudication filings in the AMA Planning Area Type of Filing AMA Total BB2 3R3 4A3 333 364 385 396 Phoenix 0 51 103 113 1,455 682 9,694 12,098 Pinal 0 20 48 63 313 290 2,724 3,458 Prescott 0 7 26 70 347 207 6,142 6,799 Santa Cruz 0 13 14 75 448 442 1,673 2,665 Tucson 1 178 150 366 1,509 1,292 6,901 10,397 Total 1 269 341 687 4,072 2,913 27,134 35,417 Notes: 1 Based on a query of ADWR's surface water right and adjudication registries in February 2009. A file is only counted in this table if it provides sufficient information to allow a Point of Diversion (POD) to be mapped within the basin. If a file lists more than one POD in a given basin, it is only counted once in the table for that basin. Several surface water right and adjudication filings are not counted 2 3 4 here due to unsufficient locational information. However, multiple filings for the same POD are counted. Court decreed rights; not all of these rights have been identified and/or entered into ADWR's surface water rights registry. Application to construct a reservoir, filed before 1972 (3R); application to appropriate surface water, filed before 1972 (4A); and application for permit to appropriate public water or construct a reservoir, filed after 1972 (33). Statement of claimant of rights to use public waters of the state, filed pursuant to the Water Rights Registration Act of 1974. 5 Claim of water right for a stockpond and application for certification, filed pursuant to the Stockpond Registration Act of 1977. 6 Statement of claimant, filed in the Gila or LCR General Stream Adjudications. Carlos Apache Tribe (1999); Gila River Indian AMA also relied primarily on groundwater to Community (2006); and Tohono O’odham meet demand, and it still made up 74% of its Nation (2006). water supply during 2001-2005. Groundwater is also a vital water supply for the Phoenix and The location of surface water resources are Pinal AMAs, although currently, surface water shown on surface water condition maps and maps supplies surpass groundwater supplies in both showing perennial and intermittent streams and AMAs. Groundwater is a relatively abundant major springs for each basin IN SECTIONS 8.1- water supply with the median of reported well 8.5. Tables also list data on streamflow, flood yields exceeding 1,000 gpm in the Phoenix and ALERT equipment, reservoirs, stockponds and Pinal AMAs and exceeding 600 gpm in the other AMAs. springs in the sections for each basin. Groundwater Groundwater is an essential water supply in the planning area. It is the primary water source in the Prescott and Santa Cruz AMAs, as these AMAs lack access to CAP water. Water supplies are managed jointly as “groundwater” in the Santa Cruz AMA due to the close hydrologic relationship of surface water, groundwater and effluent. Until relatively recently, the Tucson 54 As a result of long term groundwater pumping in the AMAs, moderate to severe regional and localized water level declines have occurred. Over time, groundwater declines can lead to increased pumping costs, decrease in water quality, riparian damage, land subsidence and land fissuring and permanent compaction of the aquifer, all of which have occurred in the planning area. Localized groundwater level rises have also occurred in the last two decades at Section 8.0 Overview Arizona Water Atlas Volume 8 Section 8.0 Overview 55 Arizona Water Atlas Volume 8 some locations, due to retirement of agricultural lands, use of CAP water in lieu of groundwater and a growing number of underground storage projects. Pursuant to A.R.S. § 45-553, groundwater may be withdrawn from the Butler Valley Basin and transferred to an initial AMA. There are no limits on the volume of groundwater that may be transported from this basin. A.R.S. § 45-552 allows groundwater in the Harquahala Basin pumped from historically irrigated acres owned by a political subdivision of the state to be transported for use in an AMA or use by the Arizona Water Banking Authority (AWBA).6 The volumetric limit is six acre-feet per acre per year or 30 acre-feet per acre for any ten year period. The director of ADWR may establish an alternative volume as long as it will not unreasonably increase damage to basin residents and other water users. The groundwater may not be withdrawn below 1,000 feet below bls nor at a rate that causes declines of more than an average of ten feet per year during the 100 year evaluation period. The City of Scottsdale has applied to the Department to transport 3,645 acre-feet of groundwater per year from historically irrigated acres in the Harquahala Basin to the Phoenix AMA. This application is currently still under review. McMullen Valley. Groundwater may be withdrawn from historically irrigated lands in the McMullen Valley Basin that were owned by a city or person prior to January 1, 1988 and transported to the Phoenix AMA. be withdrawn is limited to an average of 3 acrefeet per irrigated acre. If this water is used for an assured water supply demonstration in the AMA, only water withdrawn above 1,000 feet bls at a rate not to exceed 10 feet per year over the 100 year period will be considered. Under A.R.S. 45-555(E), the City of Prescott can withdraw and transport an amount of groundwater not to exceed 14,000 AFA from the Big Chino Sub-basin into the Prescott AMA. The actual volume that can be transported during a year depends on several factors listed in the statute. In 2007, the City of Prescott applied for Modification of Designation of Assured Water Supply to include transportation of Big Chino Sub-basin groundwater. In November 2008 the Director of ADWR issued his decision that the City was entitled to transport 8,076.4 AFA of groundwater from the Big Chino Sub-basin and that this volume should be added to Prescott’s designation provided that a pipeline to transport the groundwater is constructed by December 31, 2019. Groundwater may also be withdrawn from historically irrigated acres in the McMullen Valley Basin that were owned by a city or person prior to January 1, 1988 and transported to the Phoenix AMA. (A.R.S. § 45-552). Qualified groundwater importers include cities, towns, private water companies and replenishment districts for their use or use by the AWBA. The City of Phoenix owns 14,000 acres of agricultural land in the McMullen Valley Basin allowing it The City of Prescott appealed the Director’s to transport a total of 6 maf of groundwater into decision to the Office of Administrative the Phoenix AMA. The annual volume that may Hearings, claiming it was entitled to transport a The AWBA stores unused Colorado River water to be used in times of shortage to secure (or firm) water supplies for Arizona. 6 Section 8.0 Overview 56 Arizona Water Atlas Volume 8 larger volume. Subsequently, an Administrative Law Judge (ALJ) recommended the volume be increased by 500 AFA to replace the YavapaiPrescott Indian Tribe’s CAP allocation that was sold to Scottsdale. A number of residents of the Prescott AMA also appealed the Directors’ decision, contending that pumping by Prescott in the Big Chino Sub-basin would reduce the flows of the Verde River, causing negative impacts to endangered species and surface water users. In a November 20, 2009 decision, the Director accepted the ALJ’s recommendation to grant Prescott’s application, but upheld his previous decision, determining that Prescott was not entitled to transport the additional 500 AFA from the Big Chino Sub-basin. In addition to the groundwater the City of Prescott is allowed to transport under A.R.S. § 45-555(E), cities and towns in the Prescott AMA are allowed to withdraw groundwater associated with historically irrigated acres in the Big Chino Sub-basin and transport the groundwater into the Prescott AMA. (A.R.S. §45-555 (A) through (D)) The Department will make a determination regarding the volume of groundwater that a city or town can transport from historically irrigated acres lands after it has finalized Administrative Rules for this process. The allotment associated Automated Well in the Prescott AMA. As of December 2009, ADWR monitored a total of 72 Index and Automated wells in this planning area. 57 with historically irrigated acres is three acre-feet per acre per year. The Department’s Groundwater Site Inventory (GWSI) database, the main repository for statewide well data, is available on the Department’s website. The GWSI database consists of records for over 42,000 wells and over 210,000 water level measurements. GWSI includes spatial and geographical data, owner information, well construction and geologic data, and historic water level, water quality, well lift and pumpage records. Also included are hydrographs for Index Wells and Automated Groundwater Monitoring Sites (Automated Wells), which can be searched and downloaded for planning, drought mitigation and other purposes. Approximately 1,700 GWSI sites are designated as Index Wells (GWSI sites are primarily wells but include other types of sites such as springs and drains). Typically, Index Wells are visited once each year by Department field staff to obtain a long-term record of groundwater level fluctuations. Approximately 200 GWSI sites are designated as Automated Wells. In these wells water levels are measured four times daily and the data stored electronically. Automated Wells were established to better understand the water supply situation in critical areas of the state. These devices are located in areas of growth, subsidence, along river/stream channels, and in areas affected by water contamination or drought. Volume 1 of the Atlas shows the location of Index Wells and Automated Wells. As of December 2009 there were 72 of these wells in the planning area: 35 in the Phoenix AMA; 16 in the Prescott AMA; 11 in the Tucson AMA; six in the Santa Cruz AMA; and four in the Pinal AMA. Updated maps showing the location of Index and Automated wells (including automated wells operated by non-ADWR entities) may be viewed at the Department’s website. Section 8.0 Overview Arizona Water Atlas Volume 8 Information on major aquifers, well yields, estimated natural recharge, aquifer flow direction, and water level changes are found in groundwater data tables, groundwater condition maps, hydrographs and well yield maps for each AMA in Sections 8.1.6, 8.2.6, 8.3.6, 8.4.6. and 8.5.6. Effluent Effluent, also referred to as reclaimed water, is a growing water supply in the AMA Planning Area, meeting approximately 4% of the annual supply during the 2001-2005 time-period. Since effluent production is tied directly to population, population growth generally leads to increased effluent supply. However, lack of infrastructure to deliver effluent to potential users is often a limiting factor. The Phoenix and Tucson AMAs generate the majority of the effluent in the planning area, which is used by agricultural, municipal and industrial sectors. Many municipalities and private entities in the planning area recharge effluent in permitted basins and streambeds. This storage earns recharge credits that can either be pumped from the ground through a permitted recovery well, or used towards assured water supply certificates or designations. The recharge option is often favored as a way of using effluent if direct use is not possible due to lack of a distribution system. There is increasing interest in effluent as a water supply as population growth continues and other renewable water sources become more extensively used. Some communities, for example Tucson, Phoenix, Prescott and Scottsdale, have made substantial investments in effluent reuse. Global Water Resources, a private water and wastewater utility, is promoting reuse technology at a new development in Maricopa where its water center uses non-potable water for irrigation and toilet flushing. Effluent recharge at the Avondale Wetlands, Phoenix AMA. Many municipalities and private entities in the planning area recharge effluent in permitted basins and streambeds. Most effluent in the Phoenix AMA is generated at the 91st Avenue WWTP. In 2004 the treatment plant processed approximately 139,000 acre-feet of wastewater from Glendale, Mesa, Phoenix, Scottsdale, and Tempe, who co-own the facility as part of a multi-city partnership known as SROG, the Sub-regional Operating Group. A large portion of this effluent is used at the Palo Verde Nuclear Generating Station for cooling purposes. The unused effluent is discharged into the Salt and Gila rivers, supporting perennial flow and flows out of the AMA. Effluent is also a water supply for agricultural irrigation. Effluent generated from Phoenix’s 23rd Avenue WWTP is used to irrigate crops in the Roosevelt Irrigation District and effluent from Chandler and Mesa are used for irrigation on the Gila River Indian Reservation. Major cities in the Phoenix AMA also use effluent for landscape and golf course watering. In the Pinal AMA, Casa Grande, Coolidge, Eloy and Florence all have municipal WWTPs. These plants deliver treated effluent for a variety of purposes, including agricultural irrigation, golf course watering, and power generation. Florence and Eloy also have permitted underground storage facilities for recharging effluent. The City of Maricopa’s wastewater needs are handled by a private utility (Global Water Resources) and the effluent is used for water- Section 8.0 Overview 58 Arizona Water Atlas Volume 8 ing turf and filling subdivision lakes. There are several other WWTPs in the AMA serving unincorporated communities. Effluent from these facilities is used for golf course watering, and in some cases the excess is recharged at underground storage facilities (see Table 8.2-7). Effluent is an important water supply in the Tucson AMA where it met approximately 3.7% of the total AMA water demand during 2001-2005. Since the early 1980s the City of Tucson has operated a reclaimed water system. The system now consists of almost 160 miles of pipe, 33 mgd of production capacity, 15 million gallons of storage capacity and four supply sources including the Tucson Water Reclaimed Water Treatment Plant, a treatment wetlands and a managed underground storage facility. The system extends throughout the Tucson water service area and extends into northeast Marana near the Tortolita Mountains and interconnects to the Oro Valley system where it is used for golf course irrigation in the Town of Oro Valley. (City of Tucson, 2007) Reclaimed water is delivered to approximately 900 sites in the Tucson Water service area including 14 golf courses, 35 parks, 47 schools and more than 700 single family homes (Tucson Water, 2009). Three communities in the Prescott AMA have permitted recharge facilities that store effluent: the City of Prescott, the Town of Prescott Valley and the Town of Chino Valley. Effluent availability in the Town of Chino Valley is currently limited as the Town is largely unsewered; however, it is in the process of constructing a centralized sewer system to serve new and existing developments. Effluent is a water supply both directly and through recharge and recovery for three golf courses, a community park, and a sand and gravel operation in Prescott, as well as for a golf course at Prescott Valley. Effluent stored by the City of Prescott is recovered by CVID for agricultural irrigation and by the City of Prescott. As of 2008 effluent stored by Prescott Valley has not been recovered. 59 Effluent use at Tubac Golf Resort, Santa Cruz AMA. Effluent accounted for 4% of the annual supply for the AMA Planning Area during 20012005. The Nogales International Wastewater Treatment Plant (NIWWTP) is the primary treatment facility in the Santa Cruz AMA. It treats over 16,000 acre-feet of sewage from both Nogales, Arizona and Nogales, Sonora, and discharges the effluent to the Santa Cruz River where it supports riparian vegetation. Several smaller “package” treatment plants provide treatment to developments within the AMA, but with the exception of the Tubac Golf Resort do not provide reused effluent. Contamination Sites Environmental contamination impacts the use of some water supplies in the AMAs. An inventory of Department of Defense (DOD), Resource Conservation and Recovery Act (RCRA), Superfund, Water Quality Assurance Revolving Fund (WQARF), Voluntary Remediation Program (VRP) and Leaking Underground Storage Tank (LUST) sites was conducted for the planning area. Table 8.0-9 provides a summary of active contamination sites, by cleanup program, in each AMA. Tables listing the contaminant and affected media as well as maps showing the location of all contamination sites can be found in the AMA Water Quality sections. Section 8.0 Overview Arizona Water Atlas Volume 8 In the AMA Planning Area there are 61 active VRP sites. The majority (39) of these sites are located in the Phoenix AMA. The VRP is a state administered and funded voluntary cleanup program. Any site that has soil and/or groundwater contamination, provided that the site is not subject to an enforcement action by another program, is eligible to participate. To encourage participation, ADEQ provides an expedited process and a single point of contact for projects that involve more than one regulatory program (Environmental Law Institute, 2002). There are 13 RCRA sites in the AMA Planning Area, including nine in the Phoenix AMA, two in the Tucson AMA and one each in the Pinal and Santa Cruz AMAs. The RCRA program regulates the management of hazardous waste handlers which includes generators, transporters and facilities for treatment, storage and disposal (ADEQ, 2002). The 13 RCRA sites are corrective action sites where contamination of groundwater and/or soil has occurred due to improper handling of hazardous waste. AMAs. WQARF is a state administered funding mechanism created to support hazardous substance cleanup efforts. Superfund is the federal government’s program, administered by the Environmental Protection Agency (EPA), to clean up the most contaminated hazardous waste sites across the country. (ADEQ, 2008a) Almost all WQARF and Superfund sites in the planning area involve Trichloroethylene (TCE) and/or Tetrachloroethene (PCE) contamination. One Superfund site, the 19th Avenue Landfill in the Phoenix AMA, was removed from the National Priorities List (NPL) of Superfund sites in 2006 after the EPA and ADEQ determined that no further cleanup activities were necessary (ADEQ, 2006). There is one Superfund site in the Prescott AMA; the Iron King Mine and Humboldt Smelter, a site contaminated with arsenic and lead. Leaking underground storage tanks can pose a significant threat to groundwater quality and therefore to drinking water supplies. Regulations require that underground storage tanks be protected from spills, overfills, and corrosion. Two DOD sites are located in the AMA Planning In 2008, there were 5,697 active LUST sites in Area; the 161st Air National Guard site in the the planning area. Seventy-one percent of these Phoenix AMA and the Davis-Monthan Air sites are located in the Phoenix AMA and 20% Force Base site in the Tucson AMA. Both are located in the Tucson AMA. contamination sites are located at active duty bases. There are 19 WQARF sites and nine Superfund sites in the Phoenix, Tucson and Prescott Table 8.0-9 Active contamination sites in the AMA Planning Area Table 8.0-8 Contamination Sites in the Active Management Areas Leaking Voluntary Resource AMA Underground Remediation Conservation and Storage Tanks Program Recovery Act Phoenix 4,042 39 9 Pinal 292 3 1 Prescott 180 3 NA Santa Cruz 26 1 1 Tucson 1,157 15 2 Total 5,697 61 13 Section 8.0 Overview Department of Defense 1 NA NA NA 1 2 Water Quality Assurance Revolving Fund 12 NA NA NA 7 19 Superfund 7 NA 1 NA 1 9 60 Arizona Water Atlas Volume 8 8.0.7 Cultural Water Demand Total cultural water demand (Indian and nonIndian) in the AMA Planning Area averaged approximately 3,659,480 AFA during the 20012005 time-period; approximately 49% of the total demand in Arizona. Total non-Indian and Indian demand, by water source and water demand sector for each AMA, is shown in Figure 8.0-20 and Table 8.0-10. Tribal demand and non-Indian municipal, agricultural and industrial sector demand are discussed later in this section. Tribal and non-tribal demands are discussed separately because non-Indian water use in AMAs is regulated under the Groundwater Code, which requires annual reporting of water use by all groundwater rightholders, compliance with mandatory conservation requirements, and other regulations. As a consequence, these data are generally reported in Departmental and other publications. its municipal demand with CAP, surface water and effluent supplies while the other AMAs used primarily groundwater. The agricultural sector was the highest demand sector in the AMA planning area with 2,153,900 acre-feet or approximately 59% of the average annual cultural demand between 2001-2005. Agricultural demand exists within all AMAs but the volumes vary significantly. The largest annual average agricultural demand was in the Phoenix AMA at 1,052,600 acre-feet (47% of total Phoenix AMA demand) and the smallest was in the Prescott AMA with 5,300 acrefeet (22% of total Prescott AMA demand). The sources of water used to this meet demand also vary between the AMAs. Agricultural demand in the Prescott AMA was met with groundwater and recovered effluent credits; surface water use ceased in 2003. In the Phoenix and Pinal As shown in Figure 8.0-20, cultural water AMAs, 59% and 55% respectively, of the agridemand varies widely between the AMAs due to cultural demand was met with CAP, surface wadifferences in geographic area, population, land ter and effluent supplies. In the Tucson AMA, use and available water supplies. Total cultural approximately 30% of the agricultural demand water demand was the highest in the Phoenix was met with CAP water and the remainder by AMA and lowest in the Santa Cruz AMA with groundwater during 2001-2005. an average annual total demand of 2,253,500 acre-feet and 22,300 acre-feet, respectively, during the 2001-2005 time-period. Municipal demand accounted for 35% of the cultural water demand in the planning area with approximately 1,273,100 acre-feet of average annual demand during the 2001-2005 time-period. Municipal demand includes water delivered by a water provider and water withdrawn from domestic (exempt) wells. As would be expected, the Phoenix AMA accounted for the largest (81%) of the total municipal demand in the planning area. Across the AMAs, 63% of the municipal demand was met with “renewable” water supplies; CAP, surface water and effluent. The Phoenix AMA met over 72% of 61 Sun Lakes, Phoenix AMA. Municipal demand accounted for 35% of the cultural water demand in the planning area with an average of approximately 1,273,100 acre-feet of annual demand during the 2001-2005. Section 8.0 Overview CAP 1% Arizona Water Atlas Volume 8 Section 8.0 Overview Eff. 39% GW 55% SW 5% Industrial 7% Agricultural 47% Eff. 3% Municipal 46% Eff. 4% GW 28% CAP 31% GW 41% CAP 28% SW 28% SW 37% Phoenix AMA (61%) 2,253,500 af CAP, Eff., SW 2% SW 2% CAP 30% Industrial 15% Industrial 1% Agricultural 32% CAP 49% GW 68% GW 90% Municipal 3% GW 70% CAP 25% CAP 11% GW 85% GW 98% Eff. 7% Eff. CAP 4% 6% Eff. 2% GW 45% Municipal 53% SW 6% Tucson AMA (9%) Agricultural 96% 341,600 af Industrial 7% Agricultural 58% Eff. 26% SW 8% SW 5% GW 95% Industrial 6% Pinal AMA (28%) GW 66% Eff. 25% SW 10% Ag 22% Municipal 72% 1,018,100 af Municipal 35% GW 65% Santa Cruz AMA (1%) 22,300 af All GW Supply Prescott AMA (1%) 24,000 af 62 Figure 8.0-20 Average AMA Water Demand by Sector and Water Source During 2001-2005 Arizona Water Atlas Volume 8 Table 8.0-10 Average AMA water demand by sector and water source (Indian and Non-Indian) during 2001-2005 in Table 8.0-X AMA Water Use by Sector and Water Source (Non-Indian and Indian) 2001-2005 acre-feet Phoenix AMA Prescott AMA Groundwater Surface Water CAP Effluent Total Municipal Non-Indian Indian Total 287,700 7,900 295,600 383,900 200 384,100 317,200 0 317,200 41,600 0 41,600 Non-Indian Total 88,800 88,800 7,900 7,900 2,400 2,400 63,300 63,300 Non-Indian Indian Total 354,500 75,400 429,900 814,300 183,100 115,600 298,700 690,700 272,900 22,900 295,800 615,400 28,200 0 28,200 133,100 Industrial Agricultural Grand Total 1,030,400 8,100 1,038,500 0 162,400 162,400 0 890,200 213,900 1,052,600 2,253,500 Pinal AMA Municipal Industrial Agricultural Grand Total Groundwater 14,600 1,400 3,500 19,500 Surface Water 800 80 400 1,280 Effluent 1,800 0 1,400 3,200 Total 17,200 1,480 5,300 23,980 Santa Cruz AMA Municipal Industrial Agricultural Grand Total Groundwater 7,800 1,500 13,000 22,300 Tucson AMA Groundwater Surface Water CAP Effluent Total Municipal Non-Indian Indian Total 23,900 800 24,700 600 0 600 3,100 0 3,100 500 0 500 28,100 800 28,900 Non-Indian Total 13,200 13,200 0 0 900 900 600 600 14,700 14,700 Non-Indian Indian Total 379,400 60,200 439,600 477,500 60,300 7,600 67,900 68,500 391,700 73,600 465,300 469,300 1,700 0 1,700 2,800 833,100 141,400 974,500 1,018,100 Industrial Agricultural Grand Total Groundwater Municipal Non-Indian Indian Total Industrial Non-Indian Indian Total Agricultural Non-Indian Indian Total Grand Total Surface Water CAP Effluent Total 123,900 200 124,100 100 0 100 44,300 0 44,300 12,200 0 12,200 180,500 200 180,700 50,100 1,300 51,400 200 0 200 400 0 400 400 0 400 51,100 1,300 52,400 76,400 0 76,400 251,900 0 0 0 300 20,200 11,900 32,100 76,800 0 0 0 12,600 96,600 11,900 108,500 341,600 Total All AMAs Groundwater Surface Water CAP Effluent Total Municipal Non-Indian Indian Total 457,900 8,900 466,800 385,400 200 385,600 364,600 0 364,600 56,100 0 56,100 1,264,000 9,100 1,273,100 Non-Indian Indian Total 155,000 1,300 156,300 8,180 0 8,180 3,700 0 3,700 64,300 0 64,300 231,180 1,300 232,480 Non-Indian Indian Total 826,800 135,600 962,400 1,585,500 243,800 123,200 367,000 760,780 684,800 108,400 793,200 1,161,500 31,300 0 31,300 151,700 1,786,700 367,200 2,153,900 3,659,480 Industrial Agriculture Grand Total Section 8.0 Overview 63 Arizona Water Atlas Volume 8 Industrial demand accounted for the remaining 6% of the annual cultural water demand within the planning area for the 2001-2005 time-period. Although groundwater was the predominant water supply for industrial uses in all AMAs, a significant volume of effluent, 63,300 AFA, was used in the Phoenix AMA. The nature of the industrial demand differs between the AMAs. Water use by turf-related facilities was the largest industrial demand in the Santa Cruz and Prescott AMAs. In the Phoenix AMA, power plant use (65,600 AFA) slightly exceeded turfrelated facility use (62,900 AFA) during the period. In the Tucson AMA, mining accounted for 69% (35,200 AFA) of the industrial demand. In the Pinal AMA, dairies and feedlots were the largest industrial demand category, accounting for 49% (7,200 AFA) of the industrial total. (See table 8.0-17) (Phoenix AMA); Gila River Indian Community (Phoenix and Pinal AMAs); Pascua Yaqui Tribe (Phoenix, Pinal and Tucson AMAs); Salt River Pima-Maricopa Indian Community (Phoenix AMA); Tohono O’odham Nation (Pinal and Tucson AMAs); and Yavapai-Prescott Indian Tribe (Prescott AMA). Tribal demand averaged approximately 377,600 AFA during 2001-2005. Estimated water demand, irrigated acres, CAP allocation volumes and other information are listed in Table 8.0-11. Ninety seven percent of tribal demand is agricultural irrigation. Groundwater met about 38% of all tribal demand with large proportions of surface water (33%) and CAP water (29%) also utilized (Table 8.0-10). Ak-Chin Indian Community The Ak-Chin Indian Community is a 21,480acre area located entirely within the Pinal AMA in northwest Pinal County approximately 50 Tribal Water Demand miles south of the Phoenix metropolitan area. The community consists of approximately 750 With the exception of the Santa Cruz AMA, tribal members comprised of both the Tohono there are tribal lands within all AMAs. The lo- O’odham and Pima people (2000 Census). The cations of tribal communities are shown on Fig- community includes a 109-acre industrial park ure 8.0-1 and on the land ownership maps in the and 15,000 acres of irrigated fields (ITCA, AMA sections. Tribal communities, in alpha- 2008). Harrah’s Phoenix Ak-Chin Casino is betical order, are: Ak-Chin Indian Community located within the community. (Pinal AMA); Fort McDowell Yavapai Nation The Ak-Chin Indian Community was originally allocated 58,300 AFA of CAP water in 1983. Pursuant to the community’s water rights settlement in 1984, it is entitled to 75,000 acrefeet of Colorado River water in a normal year, 85,000 acre-feet in a surplus year and not less than 72,000 acre-feet in a shortage year. The intended use of the CAP water is irrigation (CAP, 2008). During 2001-2005, an average of approximately 69,200 AFA of CAP water was used for irrigation. In 2009, approximately 83,700 acre-feet was used by the Ak-Chin Agriculture in the Phoenix AMA. The agricultural Farms. In addition to on-reservation use of sector was the highest demand sector in the AMA CAP water, the Ak-Chin Indian Community has Planning Area with 2,153,900 acre-feet or approximately 59% of the annual cultural demand between entered into long-term CAP lease agreements, 2001-2005. primarily with Anthem, north of Phoenix. In 64 Section 8.0 Overview Arizona Water Atlas Volume 8 Table 8.0-11 Tribal water supply and demand in the Active Management Areas Tribe Ak-Chin Indian Community Fort McDowell Yavapai Nation Gila River Indian Community Pascua Yaqui Tribe Salt River PimaMaricopa Indian Community Tohono O'odham Nation AMA Size (acres) Population (2000 Census) Current Water Supply Ave. Annual Water Demand (2001-2005) acre-feet Irrigated Acres Pinal 21,480 750 CAP 69,300 15,000 Phoenix 25,000 900 SRP/GW 11,700 2,000 18,233 183,200 37,000 311,800 unk 0 500 SW/GW/ CAP/EFF City of Tucson CAP Allocation (AFA) 72,000 - 85,000 Pinal/Phoenix 373,000 14,000 Tucson/Phoenix/Pinal 1,150+ 7,700 Phoenix 56,000 6,200 SW/GW/ CAP 86,600 13,000 13,300 Tucson/Pinal 1,191,000 5,000 GW/CAP 26,830 5,900 74,000 1,400 180 City of Prescott unk 0 none 377,600 72,900 Yavapai-Prescott Indian Prescott Tribe TOTAL ADWR, 2008; CAP, 2008; ITCA, 2008 unk = unknown EFF= effluent 34,730 2009, approximately 6,300 acre-feet of CAP terprises (NAU, 2008; ITCA, 2008). The Fort lease water was used by off-reservation users McDowell Tribal Farm includes 2,000 irrigated (CAP, 2010). acres of alfalfa, pecans and citrus. Fort McDowell Yavapai Nation The almost 25,000-acre Fort McDowell Yavapai reservation is located in northeastern Maricopa County approximately 23 miles northwest of Phoenix. The reservation is bisected by the Verde River and is located entirely within the Phoenix AMA. The Nation has slightly more than 900 members comprised of the Yavapai and Apache people (2000 Census). During 2001-2005 an average of approximately 11,700 acre-feet was used annually. Water supplies are primarily SRP water and groundwater. There are a number of commercial operations within the reservation. The Fort McDowell Casino is a gaming facility located adjacent to a 247-room resort and conference center and the 18-hole We-Ko-Pa Golf Club. A sand and gravel facility, Fort McDowell Yavapai Materials, has been in operation since 1980. Recreational activities associated with the Verde River and Fort McDowell Adventures are other tribal en- The Fort McDowell Yavapai Nation was originally allocated 4,300 AFA of CAP water in 1983. Pursuant to the tribe’s water rights settlement in 1990, the nation now has a 18,233 AFA CAP allocation with the intended use identified as tribal homeland (CAP, 2008). In 2007, the City of Phoenix executed a long-term lease of 4,300 AFA of this allocation and used all of it in 2009 (CAP, 2010). Gila River Indian Community (GRIC) The 373,000-acre Gila River Indian reservation straddles the Phoenix and Pinal AMAs, occupying lands on both sides of the Gila River south of Phoenix, Tempe, and Chandler. It is inhabited by approximately 14,000 members of the Pima and Maricopa tribes (ITCA, 2008). During 2001-2005, the GRIC used an average of approximately 183,200 AFA. Industrial parks, gaming facilities and agriculture are the primary demand sectors. There are three industrial parks and a business park that occupy more than 800 acres. The agricultural indus- Section 8.0 Overview 65 Arizona Water Atlas Volume 8 try brings more than $25 million of annual income to the GRIC from the irrigation of 15,000 acres of GRIC farms and 22,000 independently farmed acres that produce cotton, wheat, millet, alfalfa, barley, melons, pistachios, olives, citrus and vegetables (ITCA, 2008). Wild Horse Pass, Vee Quiva and Lone Butte collectively form the Gila River Casinos. Wild Horse Pass Resort and Spa includes a 17,500 square foot spa, two 18-hole golf courses, an equestrian center, and a 2½ mile long replica of the Gila River (NAU, 2008; ITCA, 2008). The 18-hole Toka Sticks Golf Course (formerly the Williams Air Force Base Golf Course) is also located on the reservation. Pascua Yaqui Tribe The Pascua Yaqui Tribe is composed of nine communities located in the Tucson, Phoenix and Pinal AMAs. The largest in terms of population is New Pascua, consisting of 1,152 acres of trust land located about 15 miles southwest of Tucson. New Pascua is recognized as the Pascua Yaqui reservation. The second largest community is Guadalupe located in the Town of Guadalupe southeast of Phoenix. Other communities in the Tucson AMA are: Old Pascua near downtown Tucson; Barrio Libre in the Town of South Tucson and Yome Pueblo in Marana. Other communities in the Phoenix AMA are Penjamo in Scottsdale and High Town in Chandler. Pinal AMA communities are located at Coolidge and The GRIC was originally allocated 173,100 AFA Eloy (Pascua Yaqui Tribe, 2005). of CAP water for irrigation purposes in 1983. An additional 138,700 AFA were allocated There are 3,315 members of the Pascua Yaqui to the GRIC pursuant to the Arizona Water tribe at New Pascua (2000 Census), but many Settlement Act (Act) bringing their total CAP tribal members live off reservation in other allocation to 311,800 AFA (CAP, 2008). The communities in the planning area and also settlement agreement specifies the water rights outside of Arizona. According to the Pascua assigned to the GRIC. The GRIC have rights to Yaqui Tribe (2005), in July 2005 there were 13 categories of water including CAP, surface almost 7,700 tribal members in the nine water, effluent and groundwater. In addition to communities with a total Arizona population CAP water, supplies include 125,000 AFA of of approximately 13,100. There is no irrigated Globe Equity Decree Water (Gila River water) acreage on the Pascua Yaqui Tribe reservation and 156,700 AFA of groundwater. In total, the and land dedicated there for an industrial park GRIC are entitled to an estimated average of currently remains vacant (NAU, 2008). There 653,500 AFA for any period of ten consecutive are two gaming facilities on the reservation years. Approximately ninety-eight percent of and the 4,400 seat Anselmo Valencia Tori the water demand is for agriculture. (ADWR, Amphitheater is southern Arizona’s largest 2006b) The Community is in the planning concert venue. The Pascua Yaqui tribe holds a stages of a large irrigation project with plans to CAP allocation for tribal homeland uses of 500 establish an irrigation system to deliver water AFA (CAP, 2008). to 146,300 acres of land in seven reservation districts (GRIC, 2008). Up to 41,000 AFA of Salt River Pima-Maricopa Indian Community Indian priority CAP water has been approved (SRPMIC) for lease to Phoenix AMA cities by the Tribal The Salt River Pima-Maricopa Indian reservaCouncil. A lease has been executed with the tion is located within the Phoenix AMA adjacent City of Phoenix, which used 15,000 acre-feet in to the cities of Scottsdale, Fountain Hills, Mesa, 2009 (CAP, 2010). In 2009 the GRIC reported Tempe and Phoenix. Lands within the 56,000322,514 acre-feet of water use including CAP, acre reservation are allocated for agriculture, industrial and commercial use, recreation, houssurface water, groundwater and effluent. 66 Section 8.0 Overview Arizona Water Atlas Volume 8 ing and desert preservation (NAU, 2008). The population of the reservation exceeds 6,200 and consists of members of the Pima and Maricopa tribes (2000 Census). There are 13,000 acres of irrigated lands with cotton, melons, potatoes, onions and carrots the primary crops. Commercial lands are largely located along Pima Road and the primary use is the 140-acre retail center, “The Pavilions”. Other industrial uses include Cypress Golf Course (two nine-hole courses), Talking Stick Golf Club (a 36-hole course), a sand and gravel operation and a 200-acre landfill. There are two gaming facilities on the reservation, Casino Arizona at McKellips and Ca- Agriculture near San Xavier del Bac, Tucson AMA. The 71,095-acre San Xavier Reservation is located sino Arizona at Talking Stick. south of Tucson within the Tucson AMA. The community holds a CAP allocation for irrigation use of 13,300 AFA (CAP, 2008). The SRPMIC has executed long-term leases of CAP water to the cities of Gilbert (4,088 AFA), Chandler (2,586 AFA), Glendale (1,814 AFA), Mesa (1,669 AFA), Scottsdale (60 AFA) and Tempe (60 AFA). Total average annual water demand was 86,600 AFA during 2001-2005. Tohono O’odham Nation The 2.8 million acre Tohono O’odham Nation is comprised of four separate reservations, with over 1.1 million acres within the planning area. There are 11 tribal districts within the reservations. The largest reservation, Tohono O’odham, is located across portions of the Pinal and Tucson AMAs as well as outside the AMAs. Tribal lands also extend south into Mexico. The Gila Bend Reservation (San Lucy District) is outside of the planning area in the Gila Bend Basin. The 71,095-acre San Xavier Reservation is located south of Tucson within the Tucson AMA. Its boundaries are coincident with the those of the San Xavier District. The smallest reservation is the 20-acre Florence Village located 2 miles west of Florence in the Pinal AMA. the planning area. Estimated annual water demand during 2001-2005 was approximately 26,800 acre-feet (ADWR, 2008). Industrial uses within the Nation include a 120-acre industrial park located within the San Xavier Reservation. The Nation operates two casinos in the planning area, both located south of Tucson; the Desert Diamond I-19 Casino and the Desert Diamond Casino. The entire Tohono O’odham Nation holds a 74,000 acre-foot CAP allocation. The Southern Arizona Water Rights Settlement Act (SAWRSA) of 2004 (Title III of the Arizona Water Settlement Act) and the associated settlement agreement specified that the Nation was entitled to 79,200 acre-feet of water rights within the Tucson AMA for use on the San Xavier Reservation and the Eastern Schuk Toak District of the Tohono O’odham reservation. Of this total, 66,000 acre-feet is CAP water and 13,200 acrefeet is groundwater. The Nation may lease up to 15,000 acre-feet of CAP water to off-reservation users. The Nation historically supplied groundwater from three wells to ASARCO’s Mission Mine There are almost 24,000 members of the Nation facility, which straddles the reservation boundwith just over 5,000 members residing within ary (see Figure 8.5-12). During 2001-2005 Section 8.0 Overview 67 Arizona Water Atlas Volume 8 approximately 1,300 AFA was pumped from on-reservation wells and 5,000 acre-feet was pumped from off-reservation wells to serve the mine (ADWR, 2006c). Through SAWARSA, ASARCO agreed to decrease groundwater use and use up to 10,000 acre-feet of the Nation’s CAP allotment. By 2009 almost 8,100 acre-feet of CAP water was delivered to the mine in lieu of groundwater pumping (CAP, 2010). The Nation accrues credits for the CAP water used at the Mission mine. Casino with the adjacent 160-room Prescott Resort and Conference Center (ITCA, 2008; NAU, 2008). The Yavapai-Prescott Tribe received an original allocation of 500 acre-feet of CAP water that was relinquished in 1994 pursuant to a water rights settlement and acquired by the City of Scottdale in 1996 (CAP, 2008). Currently, the tribe is provided water by the City of Prescott, although they retain up to 1,000 acre-feet of annual surface water rights from Granite Creek. In addition to this in lieu CAP use, the Nation stored 15,000 acre-feet of its CAP allotment at the Pima Mine Road Recharge Facility in 2009 Municipal Demand (CAP, 2010). Municipal, non-Indian demand is summarized Approximately 2,900 acres of active farmland by AMA and water supply in Table 8.0-12. Avare irrigated on Tohono O’odham lands in erage annual demand during the 2001-2005 the Tucson AMA including a 2,000-acre farm time-period was almost 1,264,000 acre-feet. on the Eastern Schuk Toak District and a Throughout the planning area, approximately rehabilitated 880-acre San Xavier Cooperative 36% of the municipal demand was met with farm (Edwards, 2008). In 2005, approximately groundwater, 31% with surface water, 29% with 13,300 acre-feet of CAP water was used for CAP water and 4% with effluent (see Table 8.0agricultural irrigation on Tucson AMA tribal 12) although the type of supplies utilized varies lands (ADWR, 2006c), but by 2009, this had substantially among the AMAs. The Phoenix increased to approximately 21,200 acre-feet AMA is unique in that it meets the majority of on expanded irrigation projects on the San its municipal demand with surface water from Xavier and Schuk Toak Districts. Another the CAP and the Salt and Verde river systems. approximately 13,000 AFA of CAP water was Groundwater is the primary municipal water used in the Chuichu and Vaiva Vo farming areas supply in the Pinal and Tucson AMAs. Effluent in the Pinal AMA during 2001-2005. meets almost 7% of the Tucson AMA municipal demand; the largest percentage of any AMA. Yavapai-Prescott Indian Tribe The Yavapai-Prescott Indian reservation covers Municipal supplies in the Prescott AMA are approximately 1,400 acres and is located within primarily groundwater, with smaller volumes the City of Prescott in the Prescott AMA. The of effluent and surface water also used. All of tribe has approximately 180 members (2000 the municipal water supplies in the Santa Cruz Census). Historical land uses included timber, AMA are considered groundwater. mining and ranching, however, current tribal uses are business oriented. The tribe operates A total of 55 water providers within the planning the 12-acre Sundog Industrial Park and the 250- area each served more than 1,000 acre-feet of acre Frontier Village shopping center. There are water, excluding effluent, in 2005 (see Table also two gaming facilities on the reservation; the 8.0-13). Of these largest water providers, 34 are Yavapai Bingo and Gaming Center and Bucky’s located in the Phoenix AMA and met 88% of 68 Section 8.0 Overview Arizona Water Atlas Volume 8 Table 8.0-12 Average annual water the AMA PlanAverage annual municipal water municipal demand in the AMAdemand Planning in Area ning Area in (2001-2005) in acre-feet acre-feet (2001-2005) Basin Phoenix AMA Pinal AMA Prescott AMA Santa Cruz AMA Tucson AMA Total Municipal Groundwater 287,700 23,900 14,600 7,800 123,900 457,900 Surface Water 383,900 600 800 0 100 385,400 CAP Effluent 317,200 41,600 3,100 500 0 1,800 0 0 44,300 12,200 364,600 56,100 Total 1,030,400 28,100 17,200 7,800 180,500 1,264,000 Notes: Does not include Indian municipal use Within the Santa Cruz AMA, water is not separately defined as surface water or groundwater, therefore all volumes are reported as groundwater. the Phoenix AMA potable municipal demand. The 12 largest water providers in the Tucson AMA met 96% of the AMA’s potable municipal demand. In the other AMAs, the largest water providers met about three-fourths of the AMA’s potable municipal demand in 2005. Water providers fall primarily into two categories: private water companies and public water systems. Private water companies are regulated by the Arizona Corporation Commission (ACC), which oversees setting water rates in these service areas. Publicly owned systems are not regulated by the ACC and have the authority to enact water conservation ordinances and establish water rates as approved by the appropriate governing body. This authority may provide greater flexibility to manage water resources within their water service areas. Another type of water provider is a Domestic Water Improvement District (DWID), a county improvement district formed for the purpose of constructing or improving a domestic water delivery system or purchasing an existing domestic water delivery system. DWID’s are governed by elected boards that have a variety of powers including setting fees, selling bonds and acquiring waterworks, but cannot enact ordinances. There are regulatory requirements for all water providers within AMAs. Under the conservation programs in the AMA Management Plans, ADWR regulates water providers that annually serve more than 250 acre-feet of water for nonirrigation use as large municipal water providers. The Groundwater Code mandates that these 731,000 conservation programs require reasonable reductions in per capita water use through time or implementation of conservation measures designed to reduce water use within the service area. The Code also requires that reasonable conservation requirements be established for small municipal water providers. Golf Course Demand Pursuant to the Groundwater Code, water provided directly to a golf course by a water provider is categorized as municipal use and is calculated as part of the overall municipal demand. Groundwater that is withdrawn by the facility itself, through its own wells, is categorized as industrial use. Data from both municipal and industrial golf courses are shown in Table 8.014. Golf courses used approximately 129,900 acre-feet of water in 2006. Each AMA within the planning area has golf course demand; however, there are significant differences in the number of golf courses within each AMA and the sources of water used to supply them. Some golf courses receive effluent, surface water and CAP water either through direct delivery or via recovery of stored water, and these volumes may or may not be calculated within Section 8.0 Overview 69 Arizona Water Atlas Volume 8 Table 8.0-13 Water providers serving a minimum of 1,000 acre-feet of water annually (excluding effluent) in the AMA Planning Area AMA Phoenix Water Provider 1990 (AF) City of Phoenix 268,598 Phoenix City of Mesa Phoenix Phoenix Phoenix Phoenix 2000 (AF) 2005 (AF) AMA 304,293 285,301 Phoenix Phoenix 89,614 1990 (AF) 2000 (AF) 2005 (AF) Cave Creek Water Company 736 1,406 1,482 Rose Valley Water Company 114 915 1,426 Water Provider 71,023 101,359 City of Scottsdale 43,317 79,479 77,018 Phoenix Berneil Water Company 729 1,194 1,216 City of Chandler 24,433 49,371 53,294 Phoenix Valencia Water Company N/A 315 1,032 City of Glendale 33,484 49,382 47,590 Phoenix Carefree Water Company 1,281 1,000 1,022 City of Tempe 50,748 62,977 45,789 Phoenix Sunrise Water Company N/A 709 1,020 7,381 10,411 14,903 2,223 2,211 2,037 N/A N/A 1,977 1,305 1,646 1,678 797 1,999 1,606 Phoenix Town of Gilbert 7,838 30,029 36,929 Pinal Arizona Water Co. - Casa Grande System Phoenix City of Peoria 10,691 23,514 22,485 Pinal City of Eloy 13,271 13,076 14,128 Pinal Santa Cruz Water Company 3,725 10,627 11,396 Pinal Arizona Water Co. Coolidge System 8,369 11,069 10,901 Pinal Town of Florence 841 4,952 10,517 Prescott City of Prescott 5,014 7,339 7,862 3,072 5,653 9,893 Prescott Prescott Valley Water District 1,795 3,895 4,945 1,940 3,982 8,651 Santa Cruz City of Nogales 4,529 4,375 4,666 2,716 6,363 7,248 Santa Cruz Rio Rico Utilities 678 1,756 2,377 N/A N/A 6,168 Tucson City of Tucson 95,519 117,656 123,456 3,274 5,526 6,055 Tucson Town of Oro Valley1 2,731 9,085 10,468 7,190 8,642 8,713 1,918 2,225 3,227 2,646 2,879 2,901 Phoenix Phoenix Phoenix Phoenix Phoenix Phoenix Phoenix Arizona-American Water Co. - Sun City System Arizona Water Co. - Apache Junction System Arizona-American Water Co. - Paradise Valley System Arizona-American Water Co. - Agua Fria System City of Avondale Litchfield Park Service Company Chaparral City Water Company Phoenix Johnson Utilities Company Phoenix Pima Utilities Company Phoenix Queen Creek Water Company 669 2,063 5,369 Tucson Phoenix Arizona-American Water Co. - Sun City West System 4,269 6,250 5,336 Tucson Phoenix City of El Mirage 1,686 3,360 5,312 Tucson Phoenix City of Surprise N/A 821 4,696 Tucson Community Water Co. of Green Valley 1,713 2,448 2,854 Phoenix City of Goodyear 1,030 2,570 4,384 Tucson Lago Del Oro Water Co. 422 2,220 2,702 Phoenix City of Tolleson 1,477 2,920 3,269 Tucson Town of Marana N/A 544 1,670 Tucson Davis-Monthan Air Force Base 1,755 1,423 1,370 Phoenix Rio Verde Utilities, Inc. 1,173 2,711 2,915 Metro Domestic Water Improvement District Green Valley Domestic Water Improvement District2 Flowing Wells Irrigation District Phoenix H2O Water Company N/A 417 2,000 Tucson University of Arizona 1,631 1,516 1,350 Phoenix New River Utility Company 7 983 1,877 Tucson Avra Water Co-op 534 1,027 1,097 Phoenix Apache Junction Facilities District 761 1,611 1,732 Tucson Metro Water District-Hub 872 1,105 1,054 Phoenix Luke Air Force Base 1,622 1,701 1,549 a water provider’s deliveries. Other unique situations also exist. For example, in the Santa Cruz AMA, the Palo Duro Golf Course receives water from municipal wells but it also receives remediated poor-quality water from the United Musical Instruments RCRA remediation site. 70 1 formerly Canada Hills Water Company 2 formerly Green Valley Water Company Phoenix AMA For the 2001-2005 time-period, the annual municipal demand in the Phoenix AMA, excluding Indian demand, averaged 1,030,400 acrefeet. Municipal water demand has become the AMA’s major non-Indian demand sector and Section 8.0 Overview Arizona Water Atlas Volume 8 is steadily growing. Approximately 59% of the potable municipal demand is located within the cities of Phoenix, Mesa, Scottsdale, Chandler, Glendale and Tempe. The largest water provider in the Phoenix AMA is the City of Phoenix, which delivered 285,301 acre-feet of water in 2005. Its service area covers more than 500 square miles and serves a population in excess of 1.5 million (2006 estimate). The City of Phoenix water system also provides water to a portion of the Town of Paradise Valley. The water system for the City of Phoenix includes four primary sources of supply: surface water from the Salt and Verde river systems provided by the SRP (54%); CAP water (36%); groundwater (3%); and effluent (7%) from three treatment facilities. The total potable system capacity is currently more In addition to public and private water companies, water for municipal use, including urban irrigation, is provided by water districts and water users associations. A number of systems are defined as “untreated water providers” in the Phoenix AMA. As shown in Table 8.0-15 the largest of these systems include SRP, Roosevelt Water Conservation District (RWCD) and Queen Creek Water Company. During Table 8.0-14 Water use by golf courses in 20061 the 2001-2005 time-period 2006 golf course water demand these systems provided an Water # of Golf # of average of 135,800 acreAMA # Acres Demand Water Supply Courses Holes feet of water per year for (AF) urban irrigation. Groundwater (45%) The largest untreated water provider by far is SRP, which operates an extensive water delivery system that includes portions of Glendale, Peoria, Phoenix, Scottsdale, Tempe, Chandler, Gilbert and Mesa. Its eight canals deliver Salt and Verde river water, supplemented by groundwater, to municipal and agricultural users. It also wheels other types of water, including CAP water, through its system. In addition to providing untreated water for urban irrigation, the SRP system is connected to eight municipal water treatment plants for delivery of potable water through municipal water systems. Surface water (18%) Phoenix 184 3,533 18,946 99,000 CAP (14%) Effluent (23%) Groundwater (31%) Pinal 12 180 N/A 4,9001 CAP (25%) Effluent (21%) Groundwater (30%) Prescott 6 108 N/A 3,000 Effluent (70%) Groundwater (97%)2 Santa Cruz 4 72 535 2,000 Remediated water (3%) Groundwater (47% ) Surface water (2%) Tucson 43 838 4,312 21,000 CAP (3%) Effluent (48%) 1 Golf course water demand includes both industrial courses and those served by municipal providers. 2 Within the Santa Cruz AMA water is not separately defined as surface water or groundwater so all volumes are reported as groundwater. Section 8.0 Overview 71 Arizona Water Atlas Volume 8 than 780,000 acre-feet with a planned expansion to 1.2 maf. Major system components include five surface water treatment plants (Verde River, 24th Street, Deer Valley, Valley Vista and Union Hills); the Granite Reef Diversion Dam interconnect facility; a groundwater well system that includes 30 active wells; and more than 6,000 miles of water mains (City of Phoenix, 2005). rigation. The volume of reclaimed water available exceeds demand and the City is developing ways to fully utilize this water source. (City of Phoenix, 2005) The cities of Mesa, Scottsdale, Chandler and Tempe, all located in the East Salt River Valley Sub-basin and Glendale in the West Salt River Valley Sub-basin, each served over 45,000 acrefeet of water in 2005 (see Table 8.0-13). The The City of Phoenix utilizes reclaimed water City of Mesa was the second largest provider from the Cave Creek Water Reclamation Plant in the AMA, serving over 89,000 acre-feet of to irrigate turf in northeast Phoenix and pro- water in 2005. The western part of the Mesa vides reclaimed water from the 91st Avenue service area is within the SRP and RWCD WWTP, through the Tres Rios Wetlands Proj- boundaries and receives Salt and Verde river ect, to the Buckeye Irrigation Company and the water. Approximately half of Mesa’s demand Palo Verde Nuclear Generating Station for cool- is supplied by SRP and 11% by RWCD. ing purposes. The City also provides reclaimed Mesa utilizes a variety of other water supplies water from the 23rd Avenue WWTP to the including groundwater, CAP water, SRPMIC Roosevelt Irrigation District for agricultural ir- lease water and effluent (City of Mesa, 2004). Table 8.xxxx Large Untreated providers, AMAs Table 8.0-15 Large untreated waterWater providers ininthe Active Management Areas AMA/Water Provider 2000 (acre-feet) 2003 (acre-feet) 2005 (acre-feet) 110,454 9,815 1,494 3,859 2,764 4,196 2,138 10,775 2,269 1,338 925 583 419 424 705 411 177 184 219 153,149 90,630 48,253 2,345 3,619 2,689 4,868 2,035 8,773 2,142 225 1,074 598 372 356 311 313 409 211 155 169,379 108,839 12,702 3,619 3,404 3,342 3,224 3,086 2,222 1,861 1,437 1,193 654 391 385 311 282 213 212 146 147,525 262 115 377 243 127 369 599 108 708 Phoenix AMA Salt River Project Roosevelt Water Conservation District Queen Creek Water Company Arcadia Water Company Turner Ranches Water and Sanit. Co Chandler Heights Citrus Irr Dist Roosevelt Irrigation District Peninisula Ditch Co Sunburst Farms Irrigation Dist Clearwater Farms Ranchos Jardines Irr/Del/Dist Sunburst Farms East Western Meadows Irrigation Mc Cormick Ranch Prop Own Assn Maricopa Water District Sunburst Farms West Mutual Wtr Orangewood Farms Gila Buttes Water Users Assoc. McDowell Water Co AMA TOTAL Pinal AMA San Carlos Irrigation and Drainage District Evergreen Irrigation District AMA TOTAL 72 Section 8.0 Overview Arizona Water Atlas Volume 8 City of Phoenix, Phoenix AMA. The largest water provider in the Phoenix AMA is the City of Phoenix, which delivered 285,301 acre-feet of water in 2005. The City of Scottsdale delivered approximately 77,000 acre-feet of water in 2005. About 48% of the City’s demand is met with CAP water and 47% by groundwater. Less than 5% of its water supply is SRP surface water. Scottsdale operates the Scottsdale Water Campus that treats wastewater and CAP water. Wastewater is treated to irrigation standards for use at golf courses, and when irrigation needs are reduced in the winter, the wastewater is treated to drinking water standards and recharged to the aquifer via injection wells. (City of Scottsdale, 2007 and ADEQ, 2008b) The City of Chandler was the fourth largest water provider in the Phoenix AMA in 2005; delivering over 58,000 acre-feet of water. Chandler’s municipal water system serves more than 75,000 commercial, institutional and residential customers. In 2005 water supplies include Salt and Verde river water delivered by SRP and RWCD, CAP water, groundwater and effluent. The proportion of water pumped or received from other systems was 67% SRP, 14% CAP and 18% groundwater. At build-out, Chandler predicts that supplies will consist of: 65% SRP, 2% storage, 27% CAP and 6% groundwater. (City of Chandler, 2008). Chandler delivered approximately 3,900 acre-feet of effluent to turf facilities in 2006 and recharged another 7,500 acre-feet. The City of Glendale was the fifth largest water provider in the Phoenix AMA in 2005; serving approximately 47,600 acre-feet of water. In that year, approximately 56% of the supply was SRP surface water, 43% CAP water and 1.5% groundwater. Part of Glendale’s CAP supply is SRPMIC settlement water including a 99-year lease for 1,800 acre-feet. In addition, approximately 3,000 acre-feet of effluent was delivered to turf facilities and 9,400 acre-feet of effluent was recharged. Chandler also stores CAP water. Approximately 76% of deliveries are to residential customers. The City of Tempe delivered approximately 45,800 acre-feet of water to customers in 2005. Most of its water supply is surface water from the SRP. Groundwater provides from 1% to 7% of the total supply depending on surface water availability. In 2005, about 7% of Tempe’s water demand was met by groundwater. (City of Tempe, 2006) Pinal AMA For the 2001-2005 time-period, the average annual municipal demand in the Pinal AMA, excluding Indian demand, was 28,100 acre-feet. Average annual municipal demand has increased 29% over the 1995-2000 time-period spurred by a population that grew by 65% from 2000-2006. However, municipal demand is still a relatively small percentage of demand, accounting for less than 3% of the AMA non-Indian demand during 2001-2005. There are five population centers within the Pinal AMA: Casa Grande, Coolidge, Eloy, Florence and Maricopa. The fastest population growth occurred in the Casa Grande area where more than half of the municipal demand is located. Approximately 85% of the municipal demand is met with groundwater, although four water providers serving these population centers hold CAP allocations sufficient to meet almost 50% of the 2006 municipal demand. The lack Section 8.0 Overview 73 Arizona Water Atlas Volume 8 of water treatment facilities to treat CAP water for potable use is currently a limiting factor to utilization of this supply (City of Casa Grande, 2001). The Town of Florence serves groundwater to over 3,600 residential units, three Arizona State Prison facilities and other non-residential uses. More than 78% of its deliveries are typically to non-residential customers. In 2005 pumpage The largest water provider in the Pinal AMA is a was 1,606 acre-feet. private water company, Arizona Water Company - Casa Grande System (AWCCG), that supplied Prescott AMA 14,900 acre-feet of water to Casa Grande and For the 2001-2005 time-period, the average the surrounding area in 2005. The AWCCG annual municipal demand in the Prescott AMA service area is about 140 square miles with a was 17,200 acre-feet. This includes Indian distribution system consisting of approximately demand as the Yavapai-Prescott Indian Tribe 466 miles of pipes. The primary source of currently receives potable water from the City supply used by the AWCCG is groundwater of Prescott. The Prescott AMA continues to withdrawn from 15 active wells. The AWCCG experience an increase in municipal water also provides untreated CAP water to two private use and a decrease in agricultural demand. golf courses and an electric power plant within its service area. In addition, the City of Casa Grande WWTP delivers effluent to the power plant and the City’s municipal golf course. The treatment plant produces approximately 2,800 acre-feet of effluent per year. The City of Eloy pumps groundwater and receives CAP water to serve its customers. In 2005 the utility delivered approximately 570 acre-feet of CAP water to turf-related facilities, 1,000 acre-feet of groundwater to residential customers and 500 acre-feet of groundwater to non-residential customers of which 360 acre-feet was effluent. The Santa Cruz Water Company serves most of the Town of Maricopa. In 2005 it served 1,200 acre-feet of groundwater to over 6,000 single family units, 300 acre-feet to commercial/construction and 500 acre-feet to landscape irrigation. By 2008, service area water use had more than doubled to over 5,000 acre-feet including 3,600 acre-feet to 16,000 single family units. In that year, almost 1,800 acre-feet of effluent was received from the Palo Verde WWTF, almost all of which was used for landscape irrigation. The Arizona Water Company Coolidge System pumped almost 1,700 acre-feet of groundwater in 2005 to serve primarily residential customers (1,115 acre-feet). 74 Casa Grande City Hall, Pinal AMA. The largest water provider in the Pinal AMA is a private water company, Arizona Water Company - Casa Grande System (AWCCG), that supplied 14,900 acre-feet of water to Casa Grande and the surrounding area in 2005. Section 8.0 Overview Arizona Water Atlas Volume 8 Municipal demand accounted for 72% of water use within the AMA and demand is met primarily with groundwater, comprising 85% of the supply. Effluent met 10% and surface water 5% of the demand during 2001-2005. The “tri-cities” of Prescott, Prescott Valley and Chino Valley are the population centers of the Prescott AMA, with Prescott and Prescott Valley accounting for nearly 75% of the municipal deliveries. The largest water provider in the Prescott AMA is the City of Prescott, which supplied almost 7,900 acre-feet of groundwater in 2005 to a service area that covers approximately 50 square miles. Although groundwater is the primary source of water used to meet municipal demand, the City also holds surface water rights, including recently purchased rights to surface water stored in Watson and Willow lakes. Due to the lack of a surface water treatment facility, any use of surface water is conducted through underground recharge and recovery. In 2005, the City of Prescott recovered 1,547 acre-feet of surface water and 23 acre-feet of effluent storage credits and delivered approximately 1,400 acre-feet of effluent to primarily turf facilities. In addition, it accrued over 2,900 acre-feet of effluent storage credits that year. The second largest water provider in the Prescott AMA is the Prescott Valley Water District, which supplied more than 4,400 acre-feet of groundwater in 2005. In 2005, the District delivered over 300 acre-feet of effluent for golf course use and accrued approximately 1,090 acre-feet of effluent storage credits at the Agua Fria Recharge Facility. The Town of Chino Valley and the newly incorporated town of DeweyHumboldt meet most of their municipal demand through small private domestic (exempt) wells. Santa Cruz AMA For the 2001-2005 time-period, the average annual municipal demand in the Santa Cruz AMA was 7,800 AFA. There is no Indian City of Prescott, Prescott AMA. The largest water provider in the Prescott AMA is the City of Prescott, which supplied almost 7,900 acre-feet of groundwater in 2005 to a service area that covers approximately 50 square miles. demand within this AMA. Similar to the other AMAs, the Santa Cruz AMA is experiencing an increase in municipal demand; however, it is still secondary to agricultural demand. Municipal demand accounted for 35% of the total demand with the two primary demand centers served by the City of Nogales and Rio Rico Utilities. The City of Nogales is the largest water provider and withdrew almost 4,700 acre-feet to serve its customers in 2005. Its service area is located along the international border both east and west of Interstate 19, encompasses approximately 20 square miles, and includes areas both inside and outside the city limits. Nogales currently has a Designation of AWS, with an aggregate volume of 6,322 AFA in normal years, and 5,473 AFA in a drought year. Total pumpage by Nogales has fluctuated, with a slight increase during the period 1996-2006 (Figure 8.0-21). Fluctuations can be related to a number of factors including: the number of border crossings, weather conditions, distribution system problems, and recordkeeping changes. Nogales withdrew water from 14 wells in 2005, including an infiltration gallery along the Santa Cruz River and the Potrero well field located west of Nogales. Section 8.0 Overview 75 Arizona Water Atlas Volume 8 Municipal water uses consist of residential demand, produce storage and processing, tourist service use, and light manufacturing. Two turfrelated facilities, Palo Duro and Kino Springs golf courses, use water supplied by the City of Nogales. Residential demand has slightly decreased, while non-residential demand has increased since 1996. Nogales has a relatively high gallon per capita per day (GPCD) rate due in part to the greater proportion of non-residential water demand (approximately 1:1 with residential use). Part of this non-residential demand is due to water uses associated with the large number of people who cross the border from Nogales, Sonora into Nogales, Arizona each day. Annual non-residential demand trends closely track the number of border crossings reported by U.S. Customs and Border Patrol; in particular, a reduction in crossings due to increased border security measures implemented in 2001 corresponds to a steep drop in demand. Overall, the number of border crossings into Arizona at the Nogales ports of entry rose 21% from 1996-2006 (see Figure 8.0-21). Tucson AMA For the 2001-2005 time-period, the total annual municipal demand in the Tucson AMA averaged 180,500 acre-feet, excluding Indian demand. Municipal demand accounted for 55% of the total non-Indian demand during that period, approximately 69% of which was met with groundwater supplies. Generally, surface water sources are limited within the Tucson AMA and CAP water is the most abundant renewable supply available. While a number of large providers in the Tucson AMA have a CAP allocation (see Appendix B), many do not have physical access to the supply and currently none are serving it directly. A growing number of providers are using all or a portion of their CAP allocations through storage and recovery. These include City of Tucson (Tucson Water), Metropolitan Domestic Water Improvement District, Town of Figure 8.0-21 City of Nogales, Arizona Water Use and Border Crossings, 1996-2006 5000 50,000 4000 45,000 Water Use (acre-feet) 3500 3000 40,000 2500 2000 35,000 1500 1000 30,000 Pumpage Non-Residential 500 Residential 0 1996 Border Crossings 1997 1998 1999 2000 Source: Kilb, 2008 76 2001 2002 2003 2004 2005 25,000 2006 Year Section 8.0 Overview Nogales Border Crossings (people per day, entering US) 4500 Arizona Water Atlas Volume 8 Oro Valley, Green Valley Domestic Water Improvement District and Vail Water Company. With the exception of Tucson Water, municipal providers in the Tucson AMA that are designated as having an assured water supply rely to a significant extent on the Central Arizona Groundwater Replenishment District (CAGRD) to recharge CAP water to offset groundwater pumping. This allows designated providers to meet the AWS requirement that water use be consistent with the safe-yield goal of the AMA. Average annual effluent demand in the AMA averaged approximately 12,200 acre-feet during the 2001-2005 time-period. In 2006, golf courses in the City of Tucson and Oro Valley area consumed approximately 10,000 acre-feet of the 16,830 acre-feet of reclaimed water that was used directly (see Table 8.0-14). The remainder was served to parks, schools and individual homeowners (City of Tucson Water Department, 2007). Sweetwater Recharge Facility, Tucson AMA. In addition to direct delivery of reclaimed water deliveries through the non-potable system, the City of Tucson recharges a portion of its effluent. Tucson Water began direct delivery of CAP water to residential customers. Those deliveries were discontinued in 1994 due to aesthetic issues and delivery problems. In 1995, a voterapproved initiative restricted Tucson Water from delivering treated CAP water directly. In response to this initiative, Tucson Water chose to recharge the CAP water and then deliver the recovered water to customers. In 1996, Tucson Water began operation of the Central Avra Valley Storage and Recovery Project (CAVSRP) permitted to store 100,000 acre-feet of water per year. In 2008, a second recharge facility, the 60,000 acre-foot Southern Avra Valley Storage and Recovery Project (SAVSRP), was completed (see Figure 8.5-9). A series of recovery wells has been constructed in conjunction with each of these recharge sites with the anticipation that Tucson Water will eventually be able to store and recover its entire CAP allocation. Population centers in the AMA include the central Tucson area, north Tucson/Oro Valley, Marana and the Sahuarita/Green Valley area. The central Tucson area is the largest demand center, accounting for approximately 77% of the Tucson AMA municipal demand. This area is served primarily by the City of Tucson Water Department, the largest municipal water provider in the AMA. In 2005 it served over 123,400 acre-feet of water to its customers within a service area approximately 300 square miles in size. The City’s system includes both a potable and non-potable (reclaimed) system. (City of Tucson, 2004) In 2006, Tucson Water’s Tucson Water also relies on effluent to meet demand was met with 47% groundwater, 43% demand and offset the use of groundwater. In CAP water and 10% effluent. 2000, reclaimed water use accounted for 8% of Tucson Water’s total demand (City of Tucson, Until the 1990s, Tucson Water relied solely on 2004). By 2005 effluent accounted for almost groundwater and a relatively small volume of 10% of demand. By 2009, 17,249 acre-feet of effluent for its supply, although it currently has effluent was delivered to customers including a CAP allotment of 144,000 acre-feet. In 1992, 18 golf courses, 39 parks, 52 schools and 700 Section 8.0 Overview 77 Arizona Water Atlas Volume 8 single-family homes for landscaping (Tucson Water, 2009). In addition to direct delivery of reclaimed water through the non-potable system, the City of Tucson recharges a portion of its effluent. (Green Valley DWID) and the Community Water Company of Green Valley. These two providers served a total of 6,081 acre-feet of primarily groundwater to customers in 2005. In 2005, Green Valley DWID indirectly used 565 acre-feet of untreated CAP water for golf In addition to Tucson Water, 11 water providers course irrigation through recovery of storage in the Tucson AMA each served over 1,000 credits. acre-feet of water in 2005. North and northwest of the Tucson Water service area the largest Agricultural Demand providers are the Town of Oro Valley, which served approximately 10,500 acre-feet in 2005, The planning area includes AMAs where agand Metropolitan Domestic Water Improvement riculture is the predominant demand sector, as District’s main system (Metro-Main), which well as AMAs with relatively little agricultural served over 8,700 acre-feet in the same year. use. Total annual average non-Indian agriculThe Town of Oro Valley is the second largest tural demand for the 2001-2005 time-period municipal provider in the AMA based on the was 1,786,800 acre-feet (see Table 8.0-16). amount of water served. In 2005, it accounted for Agricultural demand is highest in the Phoenix almost 6% of the municipal demand. Historically, and Pinal AMAs where it recently accounted the Town of Oro Valley relied exclusively on for almost 44% and 95%, respectively, of the groundwater. In 2005, it added CAP water to total non-Indian demand. its supply and began using reclaimed effluent to serve golf courses. In 2005, it served 473 acre- Agricultural water use within AMAs is subject feet of recovered CAP and delivered 184 acre- to Groundwater Code regulations that limit feet of effluent. Metro-Main is the third largest groundwater use for irrigation purposes in sevprovider in the AMA, accounting for almost 5% eral ways. Within the AMAs, there is a prohiof the municipal demand in 2006. Metro-Main bition on new irrigated lands, and management has used a high percentage of CAP water since plan conservation requirements set maximum 2003. By 2006, 98% of Metro-Main’s demand annual groundwater allotments. The maxiwas met with recovered CAP water. mum annual groundwater allotment for an irrigation right is determined by multiplying the Northwest of Tucson, the rapidly growing irrigation water duty by the farm acres. The irMarana area is primarily served by the Town of rigation water duty is the annual amount of waMarana Municipal Water System (MWS). Part of ter (in acre-feet per acre) that is reasonable to the Town of Marana is also served by the Tucson apply to land to produce the crops historically Water system. In 2005 Marana MWS withdrew grown (during the years 1975 to 1980) divided 944 acre-feet of groundwater and received 737 by an assigned irrigation efficiency. To be in acre-feet of groundwater and surface water from compliance with management plans, irrigation the Cortaro Water Users Association. West of efficiency must improve through time. Under Marana, the Avra Water Coop served almost the management plans, agricultural water users 1,100 acre-feet to customers north of Saguaro may participate in alternative conservation proNational Park West in 2005. grams such as the historic cropping program or a best management practices (BMP) program. In the Sahuarita/Green Valley area the two larg- All agricultural conservation programs are reest providers have historically been the Green quired to use water efficiently. Valley Domestic Water Improvement District 78 Section 8.0 Overview Arizona Water Atlas Volume 8 Due to the AMA regulations that restrict new irrigated acres and require improved efficiencies, agricultural demand should not significantly increase within the AMAs as may occur in non-AMA planning areas. Additionally, as the AMA population centers grow, urbanization is expected to result in a decrease in agricultural demand over time. This decrease is evident in the Phoenix AMA where over 130,000 acres of agricultural land have been urbanized since 1984. and Phoenix AMAs, respectively. Only Yuma County is larger in terms of agricultural production and water use. Crops grown in Maricopa County include (in order of harvested acres for 2003) alfalfa hay, upland cotton, wheat, principal vegetables (includes lettuce, broccoli, cauliflower, onion, and melons), barley, citrus, other hay and corn for grain. Annual agricultural sales in Maricopa County were over $740 million in 2003. In Pinal County, the crops grown include (in order of harvested acres for 2003) upland cotton, alfalfa hay, durum wheat, barThe AMA Planning Area includes two of the ley, corn for grain, other hay, and Pima cotton. largest agricultural areas in Arizona, Pinal Annual agricultural sales in Pinal County were and Maricopa counties, located in the Pinal over $424 million in 2003. (NASS, 2008) Table 8.0-16 Average annual agricultural demand in the AMA Planning Area (excluding Indian demand) 1991-1995 (acre-feet) Phoenix AMA Groundwater Surface Water CAP Effluent Total Pinal AMA Groundwater Surface Water CAP Effluent Total Prescott AMA Groundwater Surface Water Effluent Total Santa Cruz AMA Groundwater Total Tucson AMA Groundwater CAP Effluent Total Total All AMAs 1996-2000 (acre-feet) 2001-2005 (acre-feet) 437,100 467,700 121,000 30,000 1,055,800 447,000 275,000 293,700 28,200 1,043,900 354,500 183,100 273,000 28,200 838,800 299,100 162,600 269,600 2,800 734,100 398,600 99,900 373,800 1,500 873,800 379,400 60,300 391,700 1,700 833,100 5,600 9,500 0 15,100 5,400 3,100 200 8,700 3,500 400 1,400 5,300 11,400 11,400 13,500 13,500 13,000 13,000 85,000 3,000 2,600 90,600 1,907,000 82,300 23,400 1,400 107,100 2,047,000 76,400 20,200 0 96,600 1,786,800 Notes: Within the Santa Cruz AMA water is not separately defined as surface water or groundwater, therefore all volumes are reported as groundwater. Section 8.0 Overview 79 Arizona Water Atlas Volume 8 There are currently 39 irrigation districts within four of the AMAs: Phoenix AMA (33); Pinal AMA (4); Prescott AMA (1); and Tucson AMA (1). Figure 8.0-22 shows the general location of the largest irrigation districts. In lieu water is a renewable water supply, typically CAP water, that is delivered by a water storer to a groundwater savings facility (GSF), often a farm or irrigation district, pursuant to permits issued under A.R.S. § 45-812.01. The in lieu water is used in an AMA or an irrigation The sources of water used for irrigation differ non-expansion area (INA) by the recipient widely across the planning area. Due to (agricultural water user) on a gallon-for-gallon regulations on agricultural water use within the substitute basis for groundwater that otherwise AMAs as well as supply cost and availability, would have been pumped from within that some irrigation districts utilize different water AMA or INA. In lieu water is included as CAP sources to ensure that they remain in compliance water demand in the Atlas. Water supplies used with conservation requirements. Overall, the by the AMA agricultural sector are shown in sources of water available for irrigation are Figure 8.0-23. During the period 2001-2005, groundwater, CAP water, effluent, surface approximately 46% of the agricultural demand water, tailwater and in lieu water. in the AMAs was met by groundwater, 38% by CAP water, 14% by surface water and 2% by effluent. Figure 8.0-22 Large Irrigation Districts in the AMA Planning Area 80 Section 8.0 Overview Arizona Water Atlas Volume 8 Water that runs off the end of the field after irrigation is called tailwater and is used most frequently in the Phoenix AMA. Irrigators benefit by capturing and reusing this runoff because while the first application of water is counted within the allotment given to agricultural rightholders, if tailwater can be collected and re-used in any way, the second (and subsequent) applications of water do not count against the allotment. Use of tailwater is a component of the Agricultural BMP conservation program previously mentioned. Phoenix AMA Average non-Indian agricultural demand in the Phoenix AMA for the 2001-2005 time-period was 890,200 AFA, or 50% of the total non-indian agricultural demand in the planning area. Agricultural water demand decreased over the last decade. The majority (approximately 80%) of this demand is associated with seven of the largest irrigation districts: Salt River Valley WUA (or SRP), Roosevelt Irrigation District Figure 8.0-23 Average Agricultural Water Supplies Used in the AMA Planning Area 2001-2005 Effluent 2% Surface Water 14% CAP 38% Groundwater 46% (RID), Roosevelt Water Conservation District (RWCD), Buckeye Water Conservation and Drainage District (Buckeye), New Magma Irrigation and Drainage District (NMIDD), Maricopa Water District and Queen Creek Irrigation District. Most irrigated lands are located in the central and south-central portions of the AMA (see Figure 8.0-22). Water supplies used to meet agricultural demand include groundwater, CAP water (including in leiu), surface water and effluent. All seven of the largest irrigation districts utilize at least three different water supplies. The largest irrigation district within the Phoenix AMA is SRP. Analysis of agricultural water demand trends of five Phoenix AMA irrigation districts shows an overall decrease in water use of approximately 11,500 AFA between 1984 and 2002. This decrease has varied spatially due to the proximity of agricultural lands to urban areas and the availability and cost of water supplies. Agricultural lands in the SRP service area decreased by more than 50% from 1984 to 2002 with an associated reduction in demand of approximately 9,800 AFA. RWCD, also located near the Phoenix metropolitan area, experienced similar declines, though not as pronounced as SRP. Demand within the RID, located on the western edge of the Phoenix metropolitan area, has been stable, likely due to increased utilization of effluent and changes in crop type. Buckeye, located south of and adjacent to RID, is in a waterlogged area and requires pumping and disposal of excess water. Water demand has increased within RID, likely due to increased farming to offset reductions in production in other parts of the AMA. Similarly, demand increased within the NMIDD, located in the southeastern part of the AMA. The increase is likely related to the availability of Colorado River water and, like RID, increased farming to offset reductions in production due to urbanization. (Hetrick and Roberts, 2004) Section 8.0 Overview 81 Arizona Water Atlas Volume 8 Pinal AMA Non-Indian agricultural demand in the Pinal AMA for the 2001-2005 time-period averaged approximately 833,100 AFA, or 46.6% of the total agricultural demand in the planning area. Agricultural water demand has remained relatively constant in the Pinal AMA with a 15year average water use of approximately 778,000 AFA. However, there has been a significant shift in the source of supply (see Table 8.0-16). Prior to CAP water availability in the AMA (approximately 1987) almost all agricultural demand was met with groundwater or surface water supplies from the Gila River. During 2001-2005, approximately 391,700 acre-feet of CAP water was used to meet demand. Pecan orchard in the Pinal AMA. Non-Indian agricultural demand in the AMA during 2001-2005 averaged approximately 833,100 AFA, or 46.6% of the total agricultural demand in the planning area. system. District boundaries encompass approxThe majority (approximately 87%) of agricul- imately 148,000 acres, 89,000 acres of which tural demand in the AMA is associated with have a recent history of irrigation. four large irrigation districts: Central Arizona Irrigation and Drainage District (CAIDD), Mar- Prescott AMA icopa-Stanfield Irrigation and Drainage District Average annual agricultural demand in the (MSIDD), Hohokam Irrigation and Drainage Prescott AMA for the 2001-2005 time-period District (HIDD), and San Carlos Irrigation and was 5,300 acre-feet, or 0.7% of the total agriculDrainage District (SCIDD). Most irrigated lands tural demand in the AMA Planning Area. There are located in the northern half of the AMA (see has been a significant decrease (approximately Figure 8.0-22). Groundwater is pumped to 60%) in agricultural water use within the AMA supplement CAP deliveries in CAIDD, MSIDD over the past two decades. Agricultural demand and HIDD and surface water in SCIDD, up to is now approximately 22% of the total Prescott the total amount of water allotted annually to AMA demand. Historically, both groundwater the farms in each district. SCIDD receives and and surface water supplies were utilized to meet distributes surface water from the Gila River agricultural demand; however, there has been a pursuant to the Globe-Equity Decree. shift to greater utilization of groundwater and recovery of effluent credits due to transfer of The largest irrigation district within the Pinal Chino Valley Irrigation District (CVID) surface AMA is MSIDD. The MSIDD was organized water rights to the City of Prescott. in 1962 to obtain supplemental water from the CAP. Construction of all CAP facilities in the Most of the irrigated lands are located in the district was completed in 1989. The district op- northern part of the AMA near the Town of erates the Santa Rosa Canal, 78 miles of main Chino Valley where groundwater and recovered conveyance canals, 116 miles of lateral canals effluent are used. Additional acres are irrigated and pipelines and 484 irrigation wells. MSIDD with groundwater in the southern portion of the does not own the individual irrigation wells AMA along the Agua Fria River (see Figure 8.3but leases them from the landowners; only 80 12). From 2001 to 2005 the number of irrigated are directly connected to MSIDD’s distribution acres declined from 5,175 acres to 1,546 acres. 82 Section 8.0 Overview Arizona Water Atlas Volume 8 The only irrigation district within the Prescott AMA is CVID, located in the Little Chino Subbasin. CVID originated at around the turn of the 20th century as the Arizona Land and Irrigation Company and was incorporated as CVID in 1926. Historically, the CVID was entirely a surface water provider that supplied water to slightly more than 2,500 acres of irrigated lands (Gookin, 1977). Surface water was diverted from two reservoirs, Watson Lake and Willow Lake, which are connected by a cross-cut canal constructed in 1965. In 1998, CVID entered into an intergovernmental agreement (IGA) with the City of Prescott in which CVID’s surface water rights were relinquished to the City. Pursuant to the IGA, all CVID deliveries from Prescott are now effluent through recovery of longterm storage credits; however, CVID retained a small commitment to serve surface water to three CVID properties (< 30 acre-feet). The maximum annual recovery limit under the IGA is 1,500 acre-feet until a total of 33,000 acrefeet have been recovered. As of 2007, CVID contained approximately 480 irrigated acres and had ceased delivery of surface water. Groundwater is the primary agricultural water supply. During 2001-2005, in lieu CAP water was also used, meeting about 26% of the agricultural demand. There are two primary agricultural centers: Avra Valley near the town of Marana, and Green Valley/Sahuarita along the Santa Cruz River (see Figure 8.5-12). The only irrigation district in the AMA with a consolidated distribution system is the CortaroMarana Irrigation District (CMID). Located in the Avra Valley/Marana area, CMID is an arm of the Cortaro Water Users’ Association, formed in 1948. CMID pumps water from wells to serve its customers. It has several surface water rights and claims wells as points of diversion; however, the Department accounts for this water as groundwater in its water budget. CMID operates a delivery system that provides water to about 11,000 irrigated acres. The system consists of almost 54 miles of concrete lined canals, eight miles of pipeline and 45 irrigation wells. In 2007, CMID pumped approximately 31,800 acre-feet of water and received 2,500 acre-feet of in lieu CAP and 2,000 acre-feet of CAP water. Santa Cruz AMA Agricultural demand in the Santa Cruz AMA Other farming operations in the Avra Valley for the 2001-2005 time-period averaged 13,000 include those within the Avra Valley Irrigation AFA, or 0.7% of the total agricultural demand in the planning area. Agricultural demand has remained relatively stable in the AMA, which has no organized irrigation districts. The predominant agricultural use is pasture land and one irrigation right holder accounts for 33-50% of all agricultural use in the AMA. Tucson AMA Non-Indian agricultural demand in the Tucson AMA for the 2001-2005 time-period averaged 96,600 AFA, or approximately 5.4% of the total agricultural demand in the planning area. Agricultural demand has remained relatively constant and accounts for approximately 29% of the Tucson AMA non-Indian water demand. Agriculture in the Tucson AMA. Non-Indian agricultural demand in this AMA during 2001-2005 averaged 96,600 AFA, or approximately 5.4% of the total agricultural demand in the AMA Planning Area. Section 8.0 Overview 83 Arizona Water Atlas Volume 8 District (which does not operate a consolidated distribution system), BKW Farms, and other irrigators. Both groundwater and CAP water are used to irrigate crops, which are predominantly cotton in this area. In 2006 approximately 7,800 acre-feet of groundwater was used, along with approximately 7,000 acre-feet of in lieu CAP. Within the AMAs, industrial water use is specified in non-irrigation groundwater rights or permits. Water supplied by municipal providers for industrial or commercial use is not reflected within the industrial demand sector but rather within AMA municipal demand. Based on this definition of industrial use, the predominant source of supply in the planning area is A relatively large agricultural operation, Farm- groundwater; however, some CAP water and ers Investment Company (FICO), is located in effluent is also used. All industrial users clasthe Sahuarita – Green Valley area and predomi- sified within the AMAs have general conservanantly grows pecans. FICO is separated into tion requirements under the AMA management two operating areas: the northern section has plans. Additional conservation requirements approximately 4,000 acres and the southern sec- exist for turf-related facilities, power plants, tion approximately 1,800 acres. FICO used ap- metal mines, sand and gravel operations, dairproximately 29,700 acre-feet of groundwater in ies, feedlots, large cooling facilities, new large 2006. Although FICO is currently permitted to landscape users and new large industrial users. receive in-lieu CAP, the physical infrastructure “Other” industrial users listed in Table 8.0-17 necessary to deliver CAP does not yet exist. are those subject to the general requirements that apply to all industrial users, as well as large Another relatively large farming operation is cooling facilities, new large landscape users and located in the northern part of the AMA near new large industrial users. Red Rock. Kai Farms-Red Rock grows predominantly row crops and has recently planted Phoenix AMA pecans. In lieu CAP water and groundwater are Industrial demand in the Phoenix AMA averused for irrigation. In 2006, 9,709 acre-feet of aged 162,400 AFA during 2001-2005; 8% of the in lieu CAP was used to meet demand. Phoenix AMA non-Indian demand. Although the total annual demand in the AMA has been Industrial Demand Industrial demand in the AMA Planning Area averaged approximately 231,200 acre-feet annually between 2001 and 2005. This demand accounted for 9.5% of the total non-Indian water demand in the planning area during the timeperiod. While the composition of industrial demand differs among the AMAs, as shown in Table 8.017, turf demand has been the highest demand sector overall, followed by power plants and mining. Industrial demand is greatest in the Phoenix AMA with 70% of the total in the planning area followed by the Tucson AMA with 22% of the total. 84 Feedlot in the Pinal AMA near Maricopa. The largest industrial water use category in the AMA is dairies and feedlots. Seventeen new, large-scale dairies were constructed in the Pinal AMA during 2000 to 2006, bringing the total number to 28. Section 8.0 Overview Arizona Water Atlas Volume 8 Industrial Demand in selected years in the AMA Planning Area (non-indian) Table 8.0-17 Average annual industrial demand in the AMA Planning Area (excluding Indian demand) Type/AMA Power Plant Total Phoenix AMA Pinal AMA Tucson AMA Turf Total 1 Phoenix AMA Pinal AMA Prescott AMA Santa Cruz AMA Tucson AMA Dairy/Feedlot Total Phoenix AMA Pinal AMA Tucson AMA Mining Total 2 Phoenix AMA Pinal AMA Prescott AMA Santa Cruz AMA Tucson AMA Other Total3 Phoenix AMA Pinal AMA Prescott AMA Santa Cruz AMA Tucson AMA 1991-1995 1996-2000 2001-2005 Water Use (acre-feet) 52,200 50,400 0 1,800 53,300 42,900 1,900 400 1,000 7,100 10,370 7,800 2,500 70 54,900 9,600 400 200 200 44,500 16,900 12,000 700 100 200 3,900 61,700 58,700 0 3,000 70,100 58,000 2,500 500 1,100 8,000 13,600 9,700 3,800 100 53,700 8,500 400 200 200 44,400 18,000 11,700 1,500 500 200 4,100 69,410 65,600 10 3,800 77,800 62,900 4,800 800 1,100 8,200 19,200 11,900 7,200 100 45,800 9,200 1,200 100 100 35,200 21,620 15,300 1,500 600 220 4,000 Source: ADWR 2008 Turf-related facilities include golf courses, schools, parks, cemeteries and common areas of subdivisions 2 Mining uses include both hard rock mines and sand and gravel operations 3 Other category includeslarge cooling facilities, new large landscape and other industrial users. 1 effluent. The SRP Kyrene and San Tan plants use some CAP water. The next largest industrial use in the Phoenix AMA are turf related facilities, primarily golf courses, which accounted for 39% of the industrial use in 2005. Though dairy operations have been relocated from the Phoenix AMA to the Pinal AMA and rural Arizona, there were still 81 large-scale dairy operations and 8 large-scale feedlots in the AMA during 2005, representing 7% of the total industrial demand. Sand and gravel operations are a fairly stable demand within the Phoenix AMA with approximately 6% of the total industrial demand. Approximately 9% of the industrial demand is by “other” industrial users such as smallscale dairies, industrial facilities and high water use landscape areas less than ten acres in size. Pinal AMA Industrial demand in the Pinal AMA during 2001-2005 averaged approximately 14,700 increasing, the portion attributed to industrial use acre-feet, or 6% of the total industrial demand in has remained fairly stable. The largest industrial the planning area and less than 2% of the Pinal use category during that period were power plants. AMA non-Indian demand. The largest industrial There are nine relatively large powerplants in the water use in the AMA is dairies and feedlots. AMA but the largest by far is the Palo Verde Nu- Seventeen large-scale dairies were constructed clear Generating Facility. Palo Verde used over in the Pinal AMA from 2000 to 2006, bringing 64,000 acre-feet in 2005, a majority of which was the total number to 28. Many of these were effluent. All powerplants use some groundwater dairies relocated from the Phoenix AMA due to with the exception of Redhawk which uses 100% urbanization. The number of new dairies in the Section 8.0 Overview 85 Arizona Water Atlas Volume 8 AMA has leveled off, with only three starting operations after January 2004 and another in the planning stage. The additional dairies have increased the acreage of forage crops in the AMA and also impacted agricultural demand. Water for turf irrigation, primarily golf courses, has been steadily increasing and was the second largest industrial user in the AMA during 20012005 averaging 4,800 AFA. Prescott AMA Industrial water demand within the Prescott AMA is limited to two golf courses (Prescott Country Club and Quailwood), sand and gravel operations and other industrial uses. Groundwater is the only water supply used for this demand. The average annual demand during 2001-2005 was approximately 1,500 acre-feet, or 6% of the Prescott AMA demand and less than 1% of the total industrial demand in the planning area. Santa Cruz AMA Approximately 1,500 acre-feet (7%) of the average 2001-2005 total water demand in the Santa Cruz AMA was industrial. Most of this demand occurred at two industrial golf courses and other turf-related facilities. As shown on Table 8.0-17, relatively small amounts of water were also used by sand and gravel operations and by other industrial users. Aerial view of copper mines in the Green Valley area, Tucson AMA. Historically, mine water was supplied by groundwater. Most of this demand came from three active copper mines, all located west of the Sahuarita/ Green Valley area (Figure 8.5-12). Water use at the Mission, Silver Bell and Sierrita mines has fluctuated through time, reaching a peak in the mid 1990s when almost 50,000 acre-feet of water was used. By 2002, water use fell by almost half due to low copper prices. More recently, with the price of copper reaching historic highs, mining water use is again on the rise. Historically, all mine water was supplied by groundwater. Begining in 2007 approximately 1,000 acre-feet of CAP water was used at the Mission mine and that volume increased to over 8,100 acre-feet in 2009. In addition to the copper mines, other industrial users in the Tucson AMA include sand and gravel operations, turf facilities, electric power plants, a dairy and other types of industrial users. As listed in Table 8.0-17, industrial turf facilities were the second largest industrial water uses averaging of 8,200 AFA during 2001-2005. The two power plants in the AMA, TEP-Wilson Sundt Generating Station (formerly Irvington Station) and APS Saguaro Station, used an Water for the mining sector was almost 69% of average of 3,800 AFA during 2001-2005. the industrial demand in the AMA and 77% of the total mining demand in the planning area. Tucson AMA Industrial water demand in the Tucson AMA during 2001-2005 averaged 51,100 AFA, or 22% of the total industrial demand in the planning area. This accounted for 16% of the total Tucson AMA demand; the largest percentage of any AMA, and was primarily met with groundwater. 86 Section 8.0 Overview Arizona Water Atlas Volume 8 8.0.8 Water Resource Issues in the AMA Planning Area A number of water resource issues exist in the AMA Planning Area. These issues have been identified by the Department through its management plans, stakeholder processes, a Governor’s Commission, an Arizona Town Hall, and numerous community water resource groups. Groundwater pumping, achievement of management goals, access to renewable water supplies, legal differences between groundwater and non-groundwater, environmental protection, local area management and increasing salinity are some of the important considerations in the planning area. Discussed below are issues that have been identified in the past decade and are common to multiple AMAs. These and other AMA issues will be evaluated in detail in the Department’s AMA Fourth Management Plans. Residual (Allowable) Groundwater Pumping and Management Goals Groundwater withdrawals allowed under the Groundwater Code, management plans and Assured Water Supply (AWS) Rules through groundwater rights, groundwater permits, and certificates and designations of AWS are a significant obstacle towards achieving AMA management goals. Four of the five AMAs have safe-yield as a component of their goal. The definition of safe-yield is, “to achieve and thereafter maintain a long-term balance between the annual amount of groundwater withdrawn in an active management area and the annual amount of natural and artificial groundwater in an active management area.” A.R.S. § 45-561(12). Groundwater pumped in excess of safe-yield is termed groundwater “mining” or overdraft. al land and conservation, but challenges remain. As allowed by the Code, AWS Rules and the management plans, the responsibility to reduce mined groundwater pumping may not apply proportionately or equitably to all water-using sectors. For example, although water providers designated as having an AWS are required to use renewable supplies, they can continue to use a limited amount of groundwater. Industrial and agricultural users have management plan incentives to use renewable water supplies, but there are no mandatory requirements. In some AMAs the allowable pumping volume may be a large proportion of the overdraft. Use of domestic/exempt wells is not subject to groundwater replenishment nor management plan requirements. Exempt well pumpage can represent a significant percentage of water demand in some AMAs. For example, over 9,000 exempt wells are estimated to be in use in the Prescott AMA and may account for as much as 25 percent of the AMA municipal water use. (Since exempt wells are exempt from the Department’s reporting requirements, the actual amount of water use is unknown). The number of exempt wells is expected to increase through parcel splits and dry lot developments, where each lot owner drills their own well due to the lack of a centralized water service. Access to Renewable Water Supplies Utilization of renewable supplies has increased over the past 20 years, facilitated by the construction of surface water treatment plants and completion of the CAP, allowing use of Colorado River water either directly or indirectly through artificial recharge and recovery projThe safe-yield AMAs (Phoenix, Prescott, Santa ects. Several issues are associated with using Cruz and Tucson) have made progress toward CAP water. These issues include: limited CAP achieving their management goals through re- supplies; the need to construct new infrastruccharge, replenishment, retirement of agricultur- ture to permit full utilization of supplies; financ- Section 8.0 Overview 87 Arizona Water Atlas Volume 8 ing of infrastructure; and the roles of the Central Arizona Groundwater Replenishment District (CAGRD) and the Arizona Water Banking Authority (AWBA) to ensure long-term availability of renewable supplies for the AMAs. As groundwater supplies diminish and more developments require groundwater replenishment or direct use of non-groundwater supplies pursuant to the AWS Rules, competition for renewable water supplies will increase. The debate on the reallocation of CAP Non-Indian Agricultural water is indicative of the level of interest in acquiring renewable supplies, even where they may be relatively expensive, subject to shortages, or available in small volumes. Many CAP Municipal and Industrial (M&I) subcontractors lack direct access to CAP water and must utilize the resource indirectly through underground storage facilities, or groundwater savings facilities, located in close proximity to the CAP infrastructure. Because recovery is not required to occur in the area of replenishment, some areas may experience local water level declines and encounter physical availability limitations in the future. Funding for extension of the CAP canal in the Tucson AMA, as well as for water treatment and secondary infrastructure in all AMAs, limits direct renewable supply utilization in some areas. Central Arizona Project Canal. Utilization of renewable supplies has increased over the past 20 years, facilitated by the construction of surface water treatment plants and completion of the CAP, allowing use of Colorado River water either directly or indirectly through artificial recharge and recovery projects. AMAs without access to CAP water (Prescott and Santa Cruz AMAs) must look to other water supplies in order to meet their management goals. For the Prescott AMA, transporting alternative long-term supplies into the AMA is critical to achieving safe-yield in this groundwaterdependent AMA. The only alternative supplies currently available are a limited amount of effluent, and groundwater transported from the adjacent Big Chino Sub-basin pursuant to A.R.S. § 45-555. In the Santa Cruz AMA access to both renewable and groundwater supplies is influenced by water demand in the large upstream community of Nogales, Sonora. Some of this demand is offset by delivery and treatment of effluent generated in Mexico at the Nogales, Arizona, International Wastewater Treatment Plant (IWWTP), which discharges treated effluent to the Santa Cruz River near Rio Rico. However, there are currently no treaties or legal agreements regarding rights to the treated effluent nor for continued delivery and treatment of Mexican effluent at the IWWTP. Developers and water providers contract with the CAGRD to replenish groundwater withdrawals as required by the AWS Rules. To meet its replenishment obligations to member lands and service areas the CAGRD competes for renewable water supplies with other users in the Phoenix, Tucson and Pinal AMAs. If the CAGRD cannot meet its obligations, its plan of operation is considered inconsistent with the AMA management goal, which could impact approval of AWS Certificates and jeopardize Effluent is a growing renewable resource in all the status of AWS Designations. AMAs, but physical distance between the loca- 88 Section 8.0 Overview Arizona Water Atlas Volume 8 tion where the effluent is generated and the location of potential users, and lack of delivery infrastructure, limit its direct use in some areas. As with CAP water, recharge and recovery is utilized with similar concerns about the spatial disconnect between storage and pumping. Legal Differences Between Groundwater and Non-Groundwater Groundwater and surface water are managed under different statutes with limited integration and consistency in approach. In the rapidly growing AMAs with multiple water sources, the statutory limitations on management of nongroundwater supplies may be problematic. Water management efforts are currently fragmented because effluent, CAP water, surface water and groundwater are all regulated differently and in many cases owned or controlled by different entities. An exception to fragmented water management is the Santa Cruz AMA, where legislation creating the AMA expressly addressed its unique hydrogeology and the inter-connection of surface and groundwater supplies. Its management goal requires coordinated management of surface water and groundwater supplies to address seasonal and drought-sensitive conditions along the Santa Cruz River. Nogales, Arizona, International Wastewater Treatment Plant. Photo courtesy of the International Boundary and Water Commission logic conditions can vary widely, from waterlogged areas to areas with severe groundwater overdraft that may result in land subsidence, earth fissures, and aquifer compaction. Overdraft may affect water supply reliability for local groundwater users who lack access to renewable water supplies. Salinity The concentration of total dissolved solid (TDS) levels in CAP water, surface water and effluent can exceed that in native groundwater. Typical TDS levels in Phoenix area reclaimed water range from 800 to 1400 mg/l compared to a range of 580 to 650 mg/l found in CAP water. Groundwater in the Phoenix area ranges from 200 to 5,000 mg/l (City of Phoenix, 2008). As these renewable supplies are increasingly utilized in the planning area, salinity levels will increase in both soil and groundwater. Studies suggest there is an annual net gain of approximately 1.1 million tons of salts in the Phoenix area and about 100,000 tons in the Tucson area. (USBOR, 2003) Environmental Protection Restoration and preservation of riparian areas is a high priority in some AMAs. Potential effects on these areas from ongoing groundwater pumping and surface water diversions are a concern. These riparian areas function as natural recharge zones through streambed infiltration and can beneficially serve both environmental and water management objectives if managed High salinity levels in water reduce its suitabilappropriately. ity for some uses, or may necessitate additional treatment. Salinity reduces the life of household Local (Critical) Area Management Management goals and programs currently ap- appliances, may require water softening for ply to entire AMAs regardless of local condi- some purposes, and can reduce crop yields. Salt tions. However, areas within AMAs may have accumulation in agricultural area soils requires specific critical concerns. For example, hydro- supplemental water to flush salts below plant Section 8.0 Overview 89 Arizona Water Atlas Volume 8 root zones. Because salts become concentrated in wastewater, irrigation with reclaimed water may be problematic and its disposal increases salt-loading in groundwater. Climate Climate data including temperature, rainfall, evaporation rates and snowfall are critical components of water resource planning and management. Averages and variability, 8.0.9 AMA Water Resource Character- seasonality of precipitation and long term istics climate trends are all important factors in demand and supply planning. Important in the Sections 8.1 through 8.5 present data and AMA Planning Area is the heat island effect, maps on water resource characteristics of the which is affecting climate in major metropolitan groundwater basins in the AMA Planning Area. areas. A description of the data sources and methods used to derive this information is found in Surface Water Conditions Section 1.3 of Volume 1 of the Atlas. This Depending on physical and legal availability, section briefly describes general information surface water may be a potential supply in a basin. that applies to all of the basins and the purpose of Stream gage, flood gage, reservoir, stockpond the information. This information is organized and runoff contour data provide information on in the order in which the characteristics are physical availability of this supply. Seasonal discussed in Sections 8.1 through 8.5. flow information is relevant to seasonal supply availability. Annual flow volumes provide an Geographic Features indication of potential volumetric availability. Geographic features maps are included to present a general orientation to principal land Surface water maps display runoff contours features, roads, counties and cities, towns and and the location of reservoirs and gages. Also places in the groundwater basin. shown are 1st and 2nd order streams, and 3rd order streams with gages. The stream order used Land Ownership is the Cartographic order, similar to “stream The distribution and type of land ownership in a level” used by the USGS to categorize streams basin have implications for land and water use. in its National Hydrography Dataset (NHD). Large amounts of private land typically translate This method assigns Level 1 to the principal into opportunities for land development and stream in a drainage area, major tributaries are associated water demand, whereas Federal assigned Level 2, minor tributaries are assigned lands are typically maintained for a public Level 3, etc. purpose with relatively little associated water use. State-owned land may be sold or traded, Criteria for including stream gage stations in and is often leased for grazing and farming. The the AMA tables are that there is at least one year extent of State-owned lands is due to a number of record, and annual streamflow statistics are of legislative actions. The State Enabling Act of included only if there are at least three years of 1910 and the Act that established the Territory record. There are different types of stations and of Arizona in 1863 set aside sections 2, 16, 32 those that only serve repeater functions were and 36 in each township to be held in trust by the not included. State for educational purposes. Other legislation authorized additional State Trust Lands for Flood gage information is presented to direct specified purposes, which are identified for each the reader to sources of additional precipitation and flow information that can be used in water basin (ASLD, 2006). 90 Section 8.0 Overview Arizona Water Atlas Volume 8 resource planning. Large reservoir storage information provides data on the amount of water stored in the basin, its uses, and ownership. Because of the large number of small reservoirs, and less reliable data, individual small reservoir data is not provided. The number of stockponds is a general indicator of small-scale surface water capture and livestock demand. Runoff contours reflect the average annual runoff in tributary streams. They provide a generalized indication of the amount of runoff that can be expected at a particular geographic location. and specific information is available from well measurements conducted as part of basin investigations. Natural recharge is often one of the least well known component of a water budget. Recharge estimates are generally from hydrologic studies conducted within the AMA. Water level data are from measured wells, usually collected during the period when the wells were not actively being pumped or only minimally pumped. Shown are water level changes over an approximately ten-year period. Depth to water measurements are shown on Perennial and Intermittent Streams and Major mapped wells for the most recent measurement. Springs The basin hydrographs show water-level trends A map of perennial and intermittent streams for selected wells, typically over a 30-year is provided for each AMA. For some AMAs, period from 1975 to the year of most recent more than one source of information was used. measurement, which varies between AMAs. Stream designations may not accurately reflect current conditions in some cases. Spring data The flow directions that are shown generally was compiled from a number of sources in an reflect long-term, regional aquifer flow in the effort to develop as comprehensive a list as basin and are not meant to depict temporary or possible. Spring data is important to many re- local-scale conditions. However, flow directions searchers and to the environmental community in some AMAs indicate how localized pumping due to their importance in maintaining habitat, has altered regional flow patterns. even from small discharges. Groundwater recharge is an important water Groundwater Conditions management program in the AMAs and has Several indicators of groundwater conditions had significant effects on groundwater levels at are presented for each AMA. Aquifer type a number of locations. Permit information and can be a general indicator of aquifer storage the location of underground storage facilities potential, accessibility of the supply, aquifer and groundwater savings facilities where CAP productivity, water quality and aquifer flux. water, effluent and surface water are stored for Well yield information for large diameter wells later recovery are shown on maps and tables. is provided and is generally measured when the well is drilled and tested and is reported Water Quality on completion reports. It was assumed that Water quality conditions impact the suitability of large diameter wells were drilled to produce water supplies for certain uses. Water providers a maximum amount of water and, therefore, serving more than 25 people or having 15 or their reported pump capacities are indicative of more connections are regulated under the Safe the aquifer’s potential to yield water to a well. Drinking Water Act and treat water supplies However, many factors can affect well yields to meet drinking water standards (for more including well design, pump size and condition information see www.azdeq.gov). Water quality and the age of the well. Reported well yields are data were compiled from a variety of sources only a general indicator of aquifer productivity as described in Volume 1. The data indicate Section 8.0 Overview 91 Arizona Water Atlas Volume 8 areas where water quality exceedences have previously occurred, however additional areas of concern may currently exist where water quality samples have not been collected or sample results were not reviewed by the Department (e.g. samples collected in conjunction with the ADEQ Aquifer Protection Permit programs). It is important to note also that the exceedences presented may or may not reflect current aquifer or surface water conditions. Due to a high density of measured sites in the Phoenix, Pinal, Santa Cruz and Tucson AMAs, most sites within 0.75 miles of one another share a common map key. Also shown are contamination sites including DOD, RCRA, Superfund, WQARF, VRP and LUST sites including location, affected media and specific contaminant. Cultural Water Demand Cultural water demand, defined in the Atlas as municipal, industrial and agricultural water demand, is an important component of a water budget. Mandatory metering and reporting of water use in the AMAs has resulted in the collection of extensive and relatively accurate demand data. Municipal demand includes water company and domestic (self-supplied) demand estimates. AMA demand information is compiled from several sources in order to prepare as accurate an estimate as possible. Annual demand estimates have been averaged over a specific time-period. This provides general trend information without focusing on potentially inaccurate annual demand estimates due to incomplete data or anomalous weather conditions in a single year. available for use. However, effluent reuse is often difficult to determine both logistically and economically since a potential user may be far from the wastewater treatment plant. Assured Water Supply Detailed information on Assured Water Supply (AWS) determinations for subdivisions, master planned communities and service areas are shown on maps and tables. Also shown are Water Adequacy Reports which were issued prior to enactment of the Groundwater Code in 1980. Change of ownership of a previously issued determination is not counted in the totals shown on tables and maps. Developers of subdivisions within AMAs are required to obtain a determination of whether there is sufficient water of adequate quality available for 100 years and that the development is consistent with the management plan and management goal of the AMA. In addition to these subdivision determinations for which a Certificate of AWS is issued, water providers may apply for assured water supply designations for their entire service area. If a subdivision is to be served water from a designated service area, then a separate Certificate of AWS is not required (See Section 8.0-5). Developers also have the option to obtain an Analysis of AWS, which is generally used to prove that water will be physically available for master planned communities and are issued based on a development plan or plat. If an Analysis is issued for groundwater, it reserves Locations of major cultural water uses are a specific volume of water for 10 years (for primarily from a 2004 USGS land cover study purposes of further assured water supply using older satellite imagery that may not reviews) only for the specific property that is represent recent changes. The cultural demand the subject of the Analysis of AWS. maps provide only general information about the location of water users. Effluent generation data were compiled from several sources to provide an estimate of how much of this renewable resource might be 92 Section 8.0 Overview Arizona Water Atlas Volume 8 REFERENCES Anderson, T.W., G.W. Freethey and P. 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Section 8.0 Overview 99 Arizona Water Atlas Volume 8 100 Section 8.0 Overview Section 8.1 Phoenix AMA 101 Arizona Water Atlas Volume 8 8.1.1 Geography of the Phoenix AMA The Phoenix AMA is 5,646 square miles in area, the largest AMA in the planning area. Geographic features and principal communities are shown on Figure 8.1-1. The AMA is characterized by valleys surrounded by mid-elevation mountain ranges. Vegetation types are predominantly Lower Colorado River Valley and Arizona Uplands Sonoran desertscrub with a small area of southwestern interior chaparral in the northeastern portion of the AMA. (see Figure 8.0-10) Riparian vegetation, primarily tamarisk, is found extensively along the Gila River below the 91st Avenue Wastewater Treatment Plant. • Principal geographic features shown on Figure 8.1-1 are: o The Gila River, the major drainage in the AMA, running from the southeast near Sacaton to the northwest, exiting the AMA south of Arlington. o The Salt River running east to west through the center of the AMA to its confluence with the Gila River southeast of Goodyear. o The Verde River running north to south in the northeastern part of the AMA to its confluence with the Salt River south of Fort McDowell. o The Agua Fria River, west of Anthem running south from Lake Pleasant to its confluence with the Gila River south of Goodyear. o The Hassayampa River in the western part of the AMA, running south to its confluence with the Gila River. o Tributaries to the rivers listed above including Skunk Creek, New River and Cave Creek in the northeast, Waterman Wash and Centennial Wash in the southwest and Queen Creek in the southeast. o Numerous valleys and plains including Paradise and Deer Valleys in the east and Rainbow Valley and Hassayampa Plain in the west. o Mid-elevation mountain ranges along the AMA boundaries including the Vulture, Hieroglyphic and New River Mountains on the north, the Mazatzal, Goldfield and Superstition Mountains on the east, the Santan, Sacaton, South, Sierra Estrella and Maricopa Mountains and the Buckeye Hills on the south, and the Gila Bend, Big Horn and Belmont Mountains on the west. (Some of these features are not well shown on the map). o The highest point in the AMA is 5,868 feet in the New River Mountains. o The lowest point in the AMA, 755 feet, south of Buckeye at Gillespie Dam where the Gila River exits the AMA. 102 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 103 Arizona Water Atlas Volume 8 8.1.2 Land Ownership in the Phoenix AMA Land ownership, including the percentage of ownership by category, for the Phoenix AMA is shown in Figure 8.1-2. The principal feature of land ownership in the AMA is the large proportion of private land. A description of land ownership data sources and methods is found in Volume 1, Appendix A. More detailed information on National Monuments and Wilderness Areas is found in Section 8.0.4. Land ownership categories are discussed below in the order of largest to smallest percentage in the AMA. Private • 43.7% of the land is private. • Land uses include domestic, commercial and agriculture. U.S. Bureau of Land Management (BLM) • 18.3% of the land is federally owned and managed by the Hassayampa and Lower Sonoran Field Offices of the Bureau of Land Management. • The AMA includes 3,082 acres of the 21,000-acre Big Horn Wilderness, 24,453 acres of the 31,200-acre Hummingbird Springs Wilderness, 1,830-acres of the 13,350-acre Signal Mountain Wilderness and 11,715 acres of the 14,400-acre Sierra Estrella Wilderness. The AMA also includes a portion of the Sonoran Desert National Monument that encompasses two additional wilderness areas, the North and South Maricopa Mountains Wilderness areas (See Figure 8.0-13). • Land uses include resource conservation, recreation and grazing. State Trust Land • 16.0% of the land is held in trust for public schools and multiple other entities under the State Trust Land system. • Land uses include agriculture and grazing. National Forest • 10.2% of the land is federally owned and managed by the United States Forest Service (USFS). • Forest lands in the AMA are part of the Tonto National Forest and include 22,179 acres of the 160,000-acre Superstition Wilderness. (see Figure 8.0-13) • Land uses include recreation and grazing. Indian Reservation • 8.0% of the land is under tribal ownership as the Fort McDowell Yavapai Nation, Salt River Pima-Maricopa Indian Community and Gila River Indian Community. • Land uses include domestic, commercial and agriculture. Other (Game and Fish, County and Bureau of Reclamation Lands) • 3.6% of the land is owned and managed by the Bureau of Reclamation (USBOR) and county or local governments. • “Other” includes land managed by BOR for the Central Arizona Project canal and Section 8.1 Phoenix Active Management Area 104 Arizona Water Atlas Volume 8 • pumping stations as well as a number of local and regional parks. Parks include the 30,000acre White Tank Mountain Regional Park in the western portion of the AMA, most of the 16,000-acre South Mountain Park on the southern boundary, 19,840 Estrella Mountain Regional Park in the southwest and the 21,099-acre McDowell Mountain Regional Park north of Fountain Hills Land uses include water infrastructure and recreation. U.S. Military • 0.2% of the land is federally owned and managed by the U.S. Military. • Military lands include the Luke Air Force Base in the center of the AMA near Litchfield Park. • Primary land use is military activity. National Park Service • 0.1% of land is federally owned and managed by the National Park Service as the Hohokam Pima National Monument. • Primary land use is resource conservation. 105 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 106 Arizona Water Atlas Volume 8 8.1.3 Climate of the Phoenix AMA Climate data from NOAA/NWS Co-op Network, Evaporation Pan and AZMET stations are complied in Table 8.1-1 and the locations are shown on Figure 8.1-3. Figure 8.1-3 also shows precipitation contour data from the Spatial Climate Analysis Service (SCAS) at Oregon State University. The Phoenix AMA does not contain SNOTEL/Snowcourse stations. More detailed information on climate is found in Section 8.0.3. A description of the climate data sources and methods is found in Volume 1, Appendix A. NOAA/NWS Co-op Network • Refer to Table 8.1-1A • There are 41 NOAA/NWS Co-op Network stations in the AMA. The average monthly maximum temperature occurs in July at all stations and ranges between 105.8°F and 86.8°F. The average monthly minimum temperature occurs in January or February and ranges between 31.8°F and 60.5°F. • Highest average seasonal rainfall occurs in the winter (January-March). For the period of record used, the highest annual rainfall is 24.8 inches at Superior 2ENE station and the lowest is 5.91 inches at the Tonopah 5NE station. Evaporation Pan • Refer to Table 8.1-1B • There are five evaporation pan stations in the AMA. Elevation at the stations range from 1,170 feet to 1,650 feet and the corresponding annual average evaporation ranges from 74.3 inches to 117.5 inches. AZMET • Refer to Table 8.1-1C • There are seven active and three inactive AZMET stations in the AMA. Elevation at the stations range from 1,000 feet to 1,700 feet and corresponding annual average evaporation ranges from 80.94 inches to 73.15 inches. SCAS Precipitation Data • See Figure 8.1-3 • Additional precipitation data shows average annual rainfall as high as 28 inches on the AMA boundary north of Cave Creek and as low as six inches in the southwestern portion of the AMA. Section 8.1 Phoenix Active Management Area 107 Arizona Water Atlas Volume 8 Table 8.1-1 Climate Data for the Phoenix AMA A. NOAA/NWS Co-op Network: Station Name Elevation (in feet) Period of Record Used for Averages Monthly Average Temperature Range (in F) Average Precipitation (in inches) Max/Month Min/Month Winter Spring Summer Fall Annual 1 Alhambra 2 NE 1,142 1948-1976 90/Jul 51.2/Jan 1.43 0.71 1.93 2.78 6.85 Apache Junction 1,723 1962-19791 91.7/Jul 52.4/Jan 3.38 0.81 2.50 3.03 9.72 Apache Junction 5 NE 2,070 1971-2000 89.5/Jul 52.7/Jan 4.87 0.82 3.26 3.34 12.29 Arizona Falls 1 WNW 1,250 1948-1963 89.5/Jul 51.9/Jan 2.17 0.57 2.73 1.67 7.14 Bartlett Dam 1,650 1971-2000 89.9/Jul 53.7/Jan 5.90 1.22 4.45 4.28 15.85 Beardsley 1,270 1950-1978 104.7/Aug 40.5/Jan 2.29 1.16 1.93 1.95 7.33 Buckeye 890 1971-2000 91.3/Jul 52/Dec 2.59 0.45 2.64 2.20 7.91 Carefree 2,530 1971-2000 88.4/Jul 51.6/Jan 5.27 0.81 3.56 3.64 13.28 Cave Creek 2,123 1950-1961 88.4/Jul 50.9/Jan 3.47 1.08 3.98 2.59 11.12 Chandler 1,210 1912-1980 104.3/Jul 33.1/Jan 2.14 1.19 1.80 1.78 7.18 Chandler Heights 1,425 1948-20061 90/Jul 51.9/Jan 3.03 0.64 1.65 2.27 7.59 Deer Valley 1,257 1971-2000 90.6/Jul 52.5/Dec,Jan 2.92 0.57 2.27 2.13 7.78 Falcon Field 1,322 1948-19761 87/Jul 50.4/Jan 2.06 0.64 1.83 3.31 7.84 Fountain Hills 1,582 1971-2000 90.7/Jul 52.6/Jan 4.62 0.69 3.27 3.39 11.97 Granite Reef Dam 1,322 1893-19791 89.5/Jul 52.1/Jan 2.99 0.80 2.37 3.05 9.21 Griggs 3W 1,160 1950-1990 NA NA 2.61 1.17 1.95 1.97 7.71 Lake Pleasant 1,600 1959-1999 105.8/Jul 41.1/Feb 3.31 1.36 2.08 2.71 9.46 Laveen 3 SSE 1,115 1971-2000 92.2/Jul 52.9/Dec 2.74 0.54 2.91 2.56 8.70 Litchfield Park 1,030 1971-2000 91.5Jul 52/Dec 3.19 0.53 2.59 2.37 8.62 Marinette 1,152 1913-1964 90.6/Jul 50.2/Jan 2.27 0.68 2.53 2.39 7.87 Mesa 1,235 1971-2000 91.3/Jul 53.7/Dec 3.19 0.56 2.92 2.56 9.23 Paradise Valley 1,420 1955-1970 103.9/Jul 42.7/Jan 3.01 1.12 2.20 2.06 8.39 Phoenix City 1,098 1948-1998 92.9/Jul 54.7/Jan 3.01 0.59 2.39 2.52 8.51 Phoenix Indian School 1,120 1920-1975 103.41/Jul 31.82/Jan 2.38 1.12 2.03 2.02 7.55 Phoenix Sky Harbor 1,106 1971-2000 94.8/Jul 55.5/Dec 2.67 0.51 2.68 2.44 8.29 Phoenix South Mountain 2,650 1975-1983 98.2/Jul 45.3/Jan 3.02 1.63 1.62 1.61 7.88 Sacaton 1,285 1971-2000 90.8/Jul 50.5/Dec 2.80 0.53 2.84 2.51 8.68 Scottsdale 1,201 1968-19851 90.5/Jul 51.5/Dec 3.03 0.63 2.91 2.84 9.41 South Phoenix 1,155 1971-2000 88.2/Jul 52.5/Dec 3.10 0.58 2.73 2.54 8.95 Stewart Mountain 1,422 1971-2000 88.8/Jul 51.7/Dec 5.15 0.93 3.79 3.83 13.70 Superior 2,995 1971-2000 86.8/Jul 52/Jan 7.03 1.52 6.51 5.18 20.24 Superior 2 ENE 4,170 1974-1996 93.8/Jun 60.5/Feb 9.38 4.46 5.29 5.67 24.80 Superstition Mtn 1,962 1948-1962 91.1/Jul 54.1/Jan 3.11 0.96 4.05 2.71 10.83 Tempe 1 SE 1,152 1926-19841 89.2/Jul 50.5/Jan 2.79 0.82 2.83 2.68 9.12 108 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-1 Climate Data for the Phoenix AMA (cont) A. NOAA/NWS Co-op Network: Elevation (in feet) Period of Record Used for Averages Tempe 3 S 1,181 Tempe ASU Station Name Monthly Average Temperature Range (in F) Average Precipitation (in inches) Max/Month Min/Month Winter Spring Summer Fall Annual 1905-1952 88/Jul 48.5/Jan 2.60 0.69 3.18 2.22 8.69 1,170 1971-2000 89.9/Jul 53.9/Dec 3.20 0.53 2.95 2.68 9.36 Tolleson 1E 1,020 1951-1999 NA NA 3.00 1.40 2.09 2.06 8.55 Tonopah 5 NE 1,150 1971-2000 92/Jul 51.4/Dec 2.65 0.36 1.55 1.55 5.91 Waddell 3 SSE 1,099 1952-1960 87.1/Jul 50.3/Jan 2.20 0.20 2.60 1.60 6.60 Wittmann 1,703 1923-2007 91.1/Jul 49.9/Jan 2.75 0.72 3.42 2.25 9.14 Youngtown 1,135 1971-2000 93.5/Jul 54.6/Dec 3.33 0.52 2.63 2.59 9.03 Source: WRCC, 2005a Notes: 1 Average temperature for period of record shown; average precipitation from 1971-2000 NA - not available B. Evaporation Pan: Station Name Elevation (in feet) Period of Record Used for Averages Avg. Annual Evap (in inches) Bartlett Dam 1,650 1939-2005 117.54 Mesa 1,235 1896-2005 94.38 Sacaton 1,285 1908-2005 107.42 Stewart Mountain 1,422 1948-2005 106.23 Tempe ASU 1,170 1953-2005 74.29 Station Name Elevation (in feet) Period of Record Average Annual Reference Evaportranspiration, in inches (Number of years to calculate averages) Buckeye 1,000 1999 - current 80.23 (9) Desert Ridge 1,700 2002 - current 67.75 (6) 1,033 1999 - 2001 (inactive) 68.91 (3) Litchfield 1,014 1999 - 2003 (inactive) 80.59 (4) Mesa 1,202 2003 - current 78.42 (4) Phoenix Encanto 1,099 1999 - current 72.97 (9) Phoenix Greenway 1,316 1999 - current 74.22 (9) Queen Creek 1,410 1999 - current 76.65 (9) Scottsdale 1,539 1998 - 1999 (inactive) NA Waddell 1,335 1999 - current 75.71 (9) Source: WRCC, 2005b C. AZMET: Laveen Source: AZMET, 2007 Section 8.1 Phoenix Active Management Area 109 Arizona Water Atlas Volume 8 110 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 111 Arizona Water Atlas Volume 8 8.1.4 Surface Water Conditions in the Phoenix AMA Streamflow data, including average seasonal flow, annual flow and other information are shown in Table 8.1-2. Flood ALERT equipment in the AMA is shown in Table 8.1-3. New flood warning gages are routinely added to the ALERT network so the current number of stations may be greater. Reservoir and stockpond data, including maximum storage or maximum surface area, are shown in Table 8.1-4. The location of streamflow gages identified by USGS number, flood ALERT equipment, USGS runoff contours and large reservoirs are shown on Figure 8.1-4. Descriptions of stream, reservoir and stockpond data sources and methods are found in Volume 1, Appendix A. Streamflow Data • Refer to Table 8.1-2. • Data from 35 stations located at 13 watercourses are shown in the table and on Figure 8.1-4. • Average seasonal flow varies and regulated releases from dams on the Salt, Verde, Gila and Agua Fria rivers influence the seasonal flow regime. On other drainages, average seasonal flows are generally greatest in the winter season (January-March). • The largest annual flow recorded in the AMA is 6.1 million acre-feet in 1993 at the Gila River at Estrella Parkway near Goodyear with a contributing drainage area of 45,585 square miles. Flood ALERT Equipment • Refer to Table 8.1-3. • As of October 2005 there are 198 ALERT gages in the Phoenix AMA. Reservoirs and Stockponds • Refer to Table 8.1-4. • The AMA contains five large reservoirs. The largest by far is Lake Pleasant, which is located in the Agua Fria Basin. However, the dam that impounds Lake Pleasant, New Waddell, is located in the AMA. • Four reservoirs are used for recreation. Other reservoir uses include flood control, hydroelectric power generation, irrigation and water supply. • Surface water is stored or could be stored in 41 small reservoirs. • There are 711 registered stockponds in the AMA. Runoff Contour • Refer to Figure 8.1-4. • Average annual runoff is highest, 1 inch per year or 53.3 acre-feet per square mile, on the northeastern AMA boundary and decreases to 0.1 inches, or five acre-feet per square mile, in the center of the AMA. Section 8.1 Phoenix Active Management Area 112 Arizona Water Atlas Volume 8 Table 8.1-2 Streamflow Data for the Phoenix AMA Drainage 2 Area (in mi ) Gage Elevation Period of Record (in feet) Station Number USGS Station Name 9478350 Gila River near Sacaton NA 1,290 9478500 Queen Creek Below Whitlow Dam near Superior 144 9479000 Queen Creek near Florence Junction 9479200 Average Seasonal Flow (% of annual flow) Annual Flow/Year (in acre-feet) Years of Annual Flow Record Winter Spring Summer Fall Minimum Median Mean Maximum 5/1995-2/1999 (discontinued) 44 0 56 0 0 (1997) 207 185 348 (1996) 3 2,040 5/2001-current (real-time) 68 8 17 7 879 (2002) 1,646 5,749 18,827 (2005) 4 192 1,919 9/1939-6/1941 (discontinued) Queen Creek Trib at Apache Junction <1 1,712 2/1961-9/1968 (discontinued) 1 0 66 33 0 (1962) 6 6 13 (1966) 6 9479350 Gila River near Maricopa 19,915 1,114 5/1995-current (real-time) 21 1 77 1 0 (2003) 2 87 737 (2005) 10 9502000 Salt River Below Stewart Mountain Dam. 6,232 1,370 10/1934-current (real-time) 24 33 34 9 114,962 (2003) 585,878 711,279 3,276,254 (1993) 65 9502500 Salt River at Mcdowell 6,268 1,327 1/1904-12/1909 (discontinued) 44 26 12 18 246,880 (1904) 1,239,876 1,533,770 3,744,920 (1905) 6 9510000 Verde River Blw Bartlett Dam 6,161 1,570 10/1944-current (real-time) 39 25 18 17 113,131 (2002) 297,890 419,877 1,812,549 (1993) 61 9511300 Verde River near Scottsdale 6,615 1,320 3/1961-current (real-time) 45 22 15 18 96,980 (2002) 298,074 454,965 1,794,415 (1993) 44 9512060 Salt River at Alma School Rd NA 1,200 10/1991-9/1993 (discontinued) 9512100 Indian Bend Wash at Scottsdale 139 1,280 10/1960-9/1984 (discontinued) 17 0 34 48 0 (1977) 312 828 4,075 (1978) 22 9512162 Indian Bend Wash at Curry Road, Tempe 82 1,162 10/1992-current (real-time) 63 2 13 22 99 (2002) 1,146 2,695 20,693 (1993) 13 9512165 Salt River at Priest Drive 13,223 1,135 1/1994-current (real-time) 94 5 1 1 0 (1997) 2,000 149,839 903,969 (2005) 12 9512170 Salt River at Jointhead Dam 13,225 1,130 3/1978-9/1980 (discontinued) 113 No statistics run, less than 3 years data No statistics run, less than 3 years data No statistics run, less than 3 years data Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-2 Streamflow Data for the Phoenix AMA (cont) Drainage 2 Area (in mi ) Gage Elevation Period of Record (in feet) Average Seasonal Flow (% of annual flow) Annual Flow/Year (in acre-feet) Station Number USGS Station Name 9512180 Salt River Trib 2 at Phoenix 0 NA 8/1963-7/1965 (discontinued) No statistics run, less than 3 years data 9512190 Salt River at 24th Street at Phoenix 13,263 1,100 10/1989-9/1991 (discontinued) No statistics run, less than 3 years data 9512200 Salt River Trib. in South Mountain Park 2 1,405 10/1960-9/1998 (discontinued) 6 0 68 26 0 (1997) 9512280 Cave Creek Blw Cottonwood Creek 83 2,280 10/1980-current (real-time) 74 5 8 14 9512300 Cave Creek near Cave Creek 121 1,236 5/1958-9/1967 (discontinued) 8 3 24 65 9512400 Cave Creek at Phoenix 90 1,236 10/1989-9/1991 (discontinued) 9512406 Salt River at 51st Avenue 13,405 1,050 10/2002-current (real-time) 99 0 0 1 73 (2003) 9513650 Agua Fria River at El Mirage 195 NA 2/1986-9/1998 (discontinued) 92 0 4 5 9513700 Agua Fria River Trib A Youngtown 0 NA 3/1961-9/1968 (discontinued) 23 5 32 9513780 New River near Rock Springs 68 2,310 10/1965-current (real-time) 75 4 9513800 New River at New River 83 1,984 10/1960-9/1982 (discontinued) 68 9513835 New River at Bell Road, near Peoria 185 1,190 10/1967-9/1993 (discontinued) 9513860 Skunk Creek near Phoenix 65 1,473 9513910 New River near Glendale 323 1,135 Winter Spring Summer Fall Minimum Median Years of Annual Flow Record Mean Maximum 1 8 71 (1990) 37 15 (2002) 1,438 4,806 37,140 (1993) 25 92 (1962) 1,142 3,212 11,911 (1959) 8 4,319 294,974 880,530 (2005) 3 34 (1997) 64 1,168 5,599 (1991) 5 41 1 (1962) 12 11 19 (1965) 6 5 16 0 (1977) 3,791 9,228 55,605 (1978) 39 5 6 20 0 (1975) 2,254 10,160 54,691 (1978) 21 79 0 4 17 0 (1977) 4,620 8,006 45,634 (1978) 18 10/1967-current (real-time) 36 0 31 33 0 (1994) 485 1,057 6,213 (1982) 38 10/1964-9/1998 (discontinued) 57 2 17 24 0 (1969) 12,198 17,041 80,156 (1993) 12 No statistics run, less than 3 years data Section 8.1 Phoenix Active Management Area 114 Arizona Water Atlas Volume 8 Table 8.1-2 Streamflow Data for the Phoenix AMA (cont) Drainage 2 Area (in mi ) Gage Elevation Period of Record (in feet) Station Number USGS Station Name 9513970 Agua Fria River at Avondale 633 950 9514100 Gila River at Estrella Parkway, near Goodyear 45,585 9514300 Gila River at State Hwy 85, near Buckeye 9516500 Average Seasonal Flow (% of annual flow) Annual Flow/Year (in acre-feet) Years of Annual Flow Record Winter Spring Summer Fall Minimum Median Mean Maximum 10/1967-9/1982 (discontinued) 83 0 3 14 0 (1981) 94 26,078 176,688 (1980) 12 883 10/1992-current (real-time) 92 7 0 1 2,276 (2002) 12,332 613,777 6,116,656 (1993) 13 46,345 820 5/1979-9/1992 (discontinued) Hassayampa River near Morristown 796 1,831 10/1938-current (real-time) 77 12 6 5 146 (1996) 6,452 23,178 163,981 (1993) 20 9517000 Hassayampa River near Arlington 1,471 823 10/1990-current (real-time) 35 16 20 29 29,379 (1994) 47,477 45,276 63,153 (2000) 15 9517490 Centennial Wash at Southern Pacific Railroad Brdg 1,817 841 10/1980-current (real-time) 28 4 62 6 0 (2002) 1,134 1,486 5,652 (1993) 17 9517500 Centennial Wash near Arlington 1,870 773 10/1960-9/1979 (discontinued) 17 0 64 20 0 (1977) 1,685 3,065 9,152 (1978) 18 No statistics run, less than 3 years data Sources: USGS (NWIS) 2005 & 2008 Notes: NA = Not available Statistics based on Calendar Year Annual Flow statistics based on monthly values Summation of Average Seasonal Flows may not equal 100 due to rounding. Period of record may not equal Year of Record used for annual Flow/Year statistics due to only using years with a 12 month record In Period of Record, current equals November 2008 Seasonal and annual flow data used for statistics was retrieved in 2007 115 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-3 Flood ALERT Equipment in the Phoenix AMA Map (A or B) Station ID Station Name Station Type Install Date Responsibility A 775 Gila @ Maricopa Rd Precip/Stage 4/6/1995 FCD Maricopa Co B 4500 Cesar Chavez Park Precipitation 8/15/1990 FCD Maricopa Co B 4505 Gateway Community College Weather Station 12/16/2003 FCD Maricopa Co B 4510 Roeser @ 2nd St. Precipitation 2/12/1991 FCD Maricopa Co B 4515 Salt R. @ 40th St. Precipitation 3/22/1996 FCD Maricopa Co B 4520 Salt R. @ Priest Dr. Precip/Stage 9/21/1995 FCD Maricopa Co A 4525 ASU South Precipitation 7/14/1995 FCD Maricopa Co A 4530 Kleinman Park Precipitation 3/26/1991 FCD Maricopa Co A 4535 Broadway @ Dobson Precipitation 10/1/1995 FCD Maricopa Co A 4540 Fitch Park Precipitation 3/27/1991 FCD Maricopa Co A 4545 Brown Rd. @ Horne Precipitation 1/1/1995 FCD Maricopa Co A 4550 Mountain View Park Precipitation 3/21/1991 FCD Maricopa Co A 4555 Falcon Field Precipitation 10/1/1995 FCD Maricopa Co A 4560 Spookhill FRS Precip/Stage 3/13/1984 FCD Maricopa Co A 4570 Price Drain @ 202 Precip/Stage 2/13/2001 FCD Maricopa Co A 4580 Salt River Landfill Precipitation 1/30/1998 FCD Maricopa Co A 4585 Reata Pass Wash Precip/Stage 5/15/2001 FCD Maricopa Co A 4590 Pima @ Union Hills Precipitation 10/22/1997 FCD Maricopa Co A 4595 Pinnacle Peak Vista Precipitation 4/21/1998 FCD Maricopa Co A 4600 Indian Bend Wash @ McKellips Rd. Precip/Stage 5/21/1985 FCD Maricopa Co A 4605 Osborn @ 64th St. Precipitation 10/22/1997 FCD Maricopa Co A 4610 A 4615 Indian Bend Wash @ Indian Bend Rd. Indian Bend Wash @ Indian School Indian Bend Wash @ Interceptor Precip/Stage 3/25/1992 FCD Maricopa Co Weather/Stream 11/26/1997 FCD Maricopa Co A 4620 Precip/Stage 9/28/1983 FCD Maricopa Co A 4625 Highland @ 68th St. Precipitation 11/13/1997 FCD Maricopa Co A 4628 Indian Bend Wash @McDonald Dr Stage 11/27/1997 FCD Maricopa Co A 4630 Thunderbird Academy Weather Station 1/1/1982 FCD Maricopa Co A 4635 Tatum Basin Precip/Stage 6/3/1994 FCD Maricopa Co A 4640 Precip/Stage 12/27/1990 FCD Maricopa Co A 4645 Precip/Stage 3/2/1994 FCD Maricopa Co A 4650 Paradise Valley Park Precipitation 2/27/1989 FCD Maricopa Co A 4653 Tatum Basin Outflow Stage 6/3/1994 FCD Maricopa Co A 4655 East Fork & Cave Creek Rd #4 Precip/Stage 1/18/1994 FCD Maricopa Co A 4660 Lost Dog Wash Precipitation 7/13/1990 FCD Maricopa Co B 4665 East Fork & Cave Creek near 7th Ave. Precip/Stage 5/8/1997 FCD Maricopa Co A 4675 Lake Marguarite Precip/Stage 11/25/1997 FCD Maricopa Co A 4680 East Fork & Cave Creek Rd #3 Precip/Stage 9/13/1994 FCD Maricopa Co A 4685 Berneil Wash Precip/Stage 7/30/1998 FCD Maricopa Co A 4690 Indian Bend Wash @ Shea Blvd. Precip/Stage 6/9/1998 FCD Maricopa Co A 4695 Aztec Park Precipitation 2/3/1998 FCD Maricopa Co B 4700 Durango Complex Weather Station 6/23/1980 FCD Maricopa Co B 4710 Jefferson @ 4th Ave. Precipitation 1/29/1991 FCD Maricopa Co B 4715 Grand @ 27th Ave. Precipitation 10/11/1996 FCD Maricopa Co Indian Bend Wash @ Sweetwater East Fork & Cave Creek Rd #1 Section 8.1 Phoenix Active Management Area 116 Arizona Water Atlas Volume 8 Table 8.1-3 Flood ALERT Equipment in the Phoenix AMA Map (A or B) Station ID Station Name Station Type Install Date Responsibility B 4720 Thomas @ 16th St. Precipitation 1/17/1991 FCD Maricopa Co B 4730 Perry Park Precipitation 8/22/1990 FCD Maricopa Co B 4740 Papago Park Precipitation 8/15/1990 FCD Maricopa Co B 4745 Old X-cut @ McDowell Precip/Stage 7/27/1994 FCD Maricopa Co B 4750 Thomas @ 48th St. Precipitation 1/30/1991 FCD Maricopa Co B 4755 Salt River @ 67th Ave. Precipitation 4/23/1998 FCD Maricopa Co B 4760 Maryvale Muni Golf Precipitation 8/17/1989 FCD Maricopa Co B 4765 Buckeye @ 75th Ave. Precipitation 8/1/1996 FCD Maricopa Co B 4770 City of Glendale Precipitation 7/13/1989 FCD Maricopa Co B 4775 Maryland @ 27th Ave. Precipitation 12/22/1994 FCD Maricopa Co B 4780 Missouri @ 16th St. Precipitation 1/17/1991 FCD Maricopa Co B 4785 Butler Park Precipitation 9/9/1998 FCD Maricopa Co B 4790 Paradise Valley CC Precipitation 7/13/1989 FCD Maricopa Co B 4800 Dreamy Draw Dam Precip/Stage 1/24/1984 FCD Maricopa Co B 4805 ACDC @ 36th St. Precip/Stage 2/24/1994 FCD Maricopa Co B 4810 ACDC @ 14th St. Precip/Stage 2/9/1994 FCD Maricopa Co B 4815 10th St. Wash Basin #1 Precip/Stage 10/23/1996 FCD Maricopa Co B 4820 ACDC @ 43rd Ave. Precip/Stage 11/14/1990 FCD Maricopa Co B 4825 Phoenix Basin #3 Precip/Stage 12/18/2001 FCD Maricopa Co B 4830 Cave Creek @ Cactus Precip/Stage 7/13/1991 FCD Maricopa Co B 4835 ACDC @ Cave Creek Precipitation 3/11/1997 FCD Maricopa Co B 4840 Greenway @ 32nd Ave. Precipitation 1/31/1991 FCD Maricopa Co B 4848 Phoenix E Park Stage 11/28/2001 FCD Maricopa Co B 4850 Phoenix Basin #7 Precip/Stage 10/17/1996 FCD Maricopa Co B 4855 Phoenix West Park Precip/Stage 11/29/2001 FCD Maricopa Co A 4860 Rawhide Wash Precip/Stage 7/22/1999 FCD Maricopa Co A 4890 Cave Creek Precip/Stage 5/29/2003 FCD Maricopa Co A 4900 Cave Buttes Dam Precip/Stage 1/25/1984 FCD Maricopa Co A 4910 Stagecoach Wash Precip/Stage 6/13/2001 FCD Maricopa Co A 4915 Cave Creek Landfill Precipitation 4/22/1993 FCD Maricopa Co A 4918 Cave Creek near Cave Creek Stage 5/27/2004 FCD Maricopa Co A 4920 Cave Cr.@ Spur Cross Precip/Stage 6/16/1993 FCD Maricopa Co A 4930 Carefree Ranch Weather Station 7/1/1985 FCD Maricopa Co FCD Maricopa Co A 4935 Reata Pass Dam Precip/Stage 8/26/1993 A 4960 Seven Springs Wash Precip/Stage 3/12/2002 FCD Maricopa Co B 5055 Sugarloaf Mountain Precipitation 5/27/2004 FCD Maricopa Co B 5070 I-10 @ 355th Ave. Precipitation 9/7/2001 FCD Maricopa Co B 5075 Cruff Wash Precip/Stage 5/14/2002 FCD Maricopa Co B 5095 Webb Mountain Precipitation 5/22/2002 FCD Maricopa Co B 5100 Centennial Railroad Precip/Stage 2/9/1990 FCD Maricopa Co B 5105 Delaney Wash Precip/Stage 12/20/1999 FCD Maricopa Co B 5115 Winters Wash Precip/Stage 7/11/2000 FCD Maricopa Co B 5135 Four Mile Wash Precipitation 7/5/2001 FCD Maricopa Co B 5145 Upper Grass Wash Precipitation 11/1/2002 FCD Maricopa Co B 5195 Dead Horse Wash Precipitation 11/1/2000 FCD Maricopa Co B 5200 Buckeye FRS #1 Precip/Stage 7/26/1983 FCD Maricopa Co B 5205 Buckeye FRS #2 Precip/Stage 11/11/1992 FCD Maricopa Co 117 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-3 Flood ALERT Equipment in the Phoenix AMA Map (A or B) Station ID Station Name B 5210 B 5215 B Station Type Install Date Responsibility Hassayampa Landfill Precipitation 4/15/1993 FCD Maricopa Co Jackrabbit Wash Precip/Stage 9/14/1982 FCD Maricopa Co 5220 Morristown Precipitation 5/13/1992 FCD Maricopa Co B 5223 Hassayampa near Morristown Stage 5/7/1996 FCD Maricopa Co B 5240 Belmont Mountains Precipitation 12/16/2002 FCD Maricopa Co B 5250 Twin Peaks Precipitation 3/27/2003 FCD Maricopa Co B 5265 Coyote Wash Precipitation 11/27/2002 FCD Maricopa Co B 5270 Box Wash Precip/Stage 3/11/2003 FCD Maricopa Co B 5280 Hassayampa R. @ I-10 Weather/Stream 11/9/1994 FCD Maricopa Co B 5300 Sun Valley at Northern precip/stage 8/2/2005 FCD Maricopa Co B 5400 Agua Fria @ Buckeye Precip/Stage 10/11/1988 FCD Maricopa Co B 5405 Colter @ El Mirage Precip/Stage 6/29/1994 FCD Maricopa Co B 5410 Dysart Drain @ Luke AFB Precip/Stage 8/22/1996 FCD Maricopa Co B 5415 White Tank FRS 3 Precip/Stage 3/12/1986 FCD Maricopa Co B 5422 Dysart @ El Mirage Stage 3/7/1997 FCD Maricopa Co B 5425 Ford Canyon Wash Precip/Stage 2/5/2002 FCD Maricopa Co B 5430 White Tank Peak Repeater/Precip 4/1/1981 FCD Maricopa Co B 5435 McMicken Floodway Weather/Stream 5/19/1992 FCD Maricopa Co B 5440 McMicken Dam South Precip/Stage 2/13/2002 FCD Maricopa Co B 5445 McMicken Dam Precip/Stage 3/20/1983 FCD Maricopa Co B 5450 Patton Rd. Precipitation 5/13/1992 FCD Maricopa Co B 5455 Wittmann Precipitation 5/13/1992 FCD Maricopa Co B 5460 Chrysler Proving Ground Precipitation 10/31/1990 FCD Maricopa Co B 5465 NW Regional Landfill Precipitation 4/27/1993 FCD Maricopa Co B 5470 CAP @ 163rd Ave. Precipitation 12/10/2002 FCD Maricopa Co B 5475 Circle City Precipitation 10/1/1982 FCD Maricopa Co B 5485 Upper Trilby Wash Precip/Stage 9/25/2001 FCD Maricopa Co B 5490 Castle Hot Springs Precipitation 10/20/1981 FCD Maricopa Co B 5500 Agua Fria @ Grand Ave. Precip/Stage 4/27/1994 FCD Maricopa Co B 5505 New River @ Glendale Precip/Stage 3/21/1990 FCD Maricopa Co B 5510 Dysart @ Bell Rd. Precipitation 10/25/1992 FCD Maricopa Co B 5515 Sun City West Precipitation 3/30/1995 FCD Maricopa Co B 5520 ACDC @ 67th Ave. Weather/Stream 6/7/1990 FCD Maricopa Co B 5525 Grand @ Peoria Ave. Precipitation 7/11/1996 FCD Maricopa Co B 5535 Adobe Dam Precip/Stage 10/25/1982 FCD Maricopa Co B 5543 Scatter Wash Stage 9/18/1996 FCD Maricopa Co A 5545 Upper Cline Creek Precipitation 11/21/2001 FCD Maricopa Co B 5550 Deer Valley Airport Precipitation 1/23/1991 FCD Maricopa Co A 5555 Fig Springs Precipitation 11/14/2001 FCD Maricopa Co B 5565 Skunk Creek @ I-17 Precip/Stage 11/8/1989 FCD Maricopa Co A 5580 Cline Creek Precip/Stage 8/1/1981 FCD Maricopa Co A 5585 Skunk Creek near New River Precip/Stage 6/28/2001 FCD Maricopa Co B 5595 New River @ Bell Rd. Precip/Stage 4/4/1990 FCD Maricopa Co B 5610 New River Dam Precip/Stage 5/1/1986 FCD Maricopa Co A 5625 Sunup Ranch Precipitation 6/1/1981 FCD Maricopa Co B 5630 New River Landfill Precipitation 4/29/1993 FCD Maricopa Co B 5640 Cooks Mesa Precipitation 3/21/1984 FCD Maricopa Co Section 8.1 Phoenix Active Management Area 118 Arizona Water Atlas Volume 8 Table 8.1-3 Flood ALERT Equipment in the Phoenix AMA Map (A or B) Station ID A A Station Name Station Type Install Date Responsibility 5900 Asher Hills Precipitation 8/2/1990 FCD Maricopa Co 5915 McDowell Mtn. Park Precipitation 8/6/1990 FCD Maricopa Co A 5920 McDowell Mtn. Road Precip/Stage 5/18/2004 FCD Maricopa Co A 5930 Fraesfield Mtn. Precipitation 7/28/1989 FCD Maricopa Co A 5945 Thompson Peak Repeater/Weather Station 7/27/1989 FCD Maricopa Co A 5950 Fountain Hills FD Weather Station 12/9/1993 FCD Maricopa Co A 5965 StoneRidge Dam Precip/Stage 12/11/1996 FCD Maricopa Co A 5970 Sun Ridge Canyon Dam Precip/Stage 2/4/1997 FCD Maricopa Co A 5975 Cloudburst Wash Precipitation 3/13/1997 FCD Maricopa Co A 5978 Golden Eagle Park Dam Stage 12/12/1996 FCD Maricopa Co A 5980 North Heights Dam Precip/Stage 10/11/1996 FCD Maricopa Co A 5985 Golden Eagle Blvd. Precipitation 2/12/1997 FCD Maricopa Co A 5988 Aspen Dam Stage 1/2/1997 FCD Maricopa Co A 5990 Hesperus Dam Precip/Stage 12/18/1996 FCD Maricopa Co A 5995 Hesperus Wash Precipitation 3/10/1997 FCD Maricopa Co A 6500 Guadalupe FRS Precip/Stage 6/29/1989 FCD Maricopa Co A 6510 South Mountain Park Weather Station 9/28/1982 FCD Maricopa Co A 6520 Carriage Lane Park Precipitation 3/26/1991 FCD Maricopa Co B 6525 South Mtn.Park HQ Precipitation 5/1/1997 FCD Maricopa Co A 6530 Chandler @ Alma School Precipitation 7/25/1996 FCD Maricopa Co A 6540 Mesa Tower Precipitation 7/19/1989 FCD Maricopa Co A 6545 Broadway @ Lindsay Precipitation 1/1/1995 FCD Maricopa Co A 6550 Ahwatukee Precipitation 3/4/1996 FCD Maricopa Co A 6570 EMF @ Broadway Precip/Stage 8/10/1989 FCD Maricopa Co A 6575 Williams Field Road Precipitation 7/3/2001 FCD Maricopa Co A 6580 EMF @ Queen Creek Rd. Precip/Stage 1/18/1989 FCD Maricopa Co A 6590 Elliot @ Hawes Rd. Precipitation 6/26/2001 FCD Maricopa Co A 6595 EMF @ Arizona Ave. Precip/Stage 5/10/1989 FCD Maricopa Co A 6600 Guadalupe Channel Precip/Stage 8/7/1998 FCD Maricopa Co A 6605 Freestone Basin Precip/Stage 12/19/1995 FCD Maricopa Co A 6610 Queen Creek Rd. Precipitation 5/1/1982 FCD Maricopa Co A 6615 Queen Creek Landfill Precipitation 4/23/1993 FCD Maricopa Co A 6620 Crossroads Park Weather/Stage 12/18/1995 FCD Maricopa Co A 6625 Signal Butte FRS Precip/Stage 11/10/1987 FCD Maricopa Co A 6640 Usery Mtn. Park Precipitation 6/20/1985 FCD Maricopa Co A 6650 Usery Park Weather Station 2/24/1994 FCD Maricopa Co A 6655 Thunder Mountain Precipitation 4/1/1982 FCD Maricopa Co A 6670 Apache Junction FRS Precip/Stage 12/16/1981 FCD Maricopa Co A 6675 Apache Trail Precipitation 4/14/1993 FCD Maricopa Co A 6680 Powerline FRS Precip/Stage 12/3/1992 FCD Maricopa Co A 6685 Vineyard FRS Precip/Stage 11/2/1983 FCD Maricopa Co A 6700 Rittenhouse FRS Precip/Stage 9/27/1988 FCD Maricopa Co A 6710 Queen Creek @ Rittenhouse Precip/Stage 9/14/1993 FCD Maricopa Co A 6715 Magma FRS Weather Station 10/27/1988 FCD Maricopa Co A 6720 Queen Cr. @ CAP Precip/Stage 1/14/1999 FCD Maricopa Co A 6740 Whitlow Ranch Dam Precip/Stage 1/8/1998 FCD Maricopa Co 119 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-3 Flood ALERT Equipment in the Phoenix AMA Map (A or B) Station ID A 6745 Kings Ranch B 6810 Buckeye FRS #3 B 6820 White Tank FRS #4 Precip/Stage 1/9/1986 FCD Maricopa Co B 6830 Waterman @ Rainbow Precip/Stage 3/18/1999 FCD Maricopa Co B 6835 Buckeye Rd. @ SR 85 Precipitation 9/20/2000 FCD Maricopa Co B 6840 Tuthill @ Ray Rd. Precipitation 12/22/1994 FCD Maricopa Co B 6845 Gila R. @ 116th Ave Precip/Stage 12/16/1998 FCD Maricopa Co B 6850 Gila @ Estrella Pkwy Precip/Stage 4/1/1989 FCD Maricopa Co B 6860 Holly Acres Stage 1/26/1999 FCD Maricopa Co B 6863 Bullard Wash Stage 3/30/2000 FCD Maricopa Co B 6870 Upper Estrella Fan Precipitation 7/2/1993 FCD Maricopa Co B 6880 Waterman Wash Repeater/Precip 5/10/1983 FCD Maricopa Co B 6890 Estrella Fan Weather/Stream 11/15/1992 FCD Maricopa Co B 6900 Upper Waterman Wash Precipitation 6/23/1988 FCD Maricopa Co B 6965 Mobile Precipitation 12/15/2004 FCD Maricopa Co Station Name Station Type Install Date Responsibility Precipitation 9/13/1981 FCD Maricopa Co Precip/Stage 11/23/1992 FCD Maricopa Co Source: ADWR 2005a Notes: FCD = Flood Control District FD = Fire District FRS = Flood Retention Structure ACDC = Arizona Canal Diversion Channel EMF = East Maricopa Floodway CAP = Central Arizona Project Section 8.1 Phoenix Active Management Area 120 Arizona Water Atlas Volume 8 Table 8.1-4 Reservoirs and Stockponds in the Phoenix AMA A. Large Reservoirs (500 acre-feet capacity and greater) MAP KEY RESERVOIR/LAKE NAME (Name of dam, if different) OWNER/OPERATOR MAXIMUM STORAGE (AF) USE1 JURISDICTION 1 Lake Pleasant (New Waddell Dam)2 Bureau of Reclamation 1,108,600 C,H,R,S Federal 2 Tempe Town Lake City of Tempe 2,846 R Local 3 White Tanks #4 Flood Control District of Maricopa County 2,250 R, C Local 4 Camp Dyer Diversion (Lower Lake Pleasant) Maricopa Water District 690 I Public B. Other Large Reservoirs (50 acre surface area or greater)3 MAP KEY RESERVOIR/LAKE NAME (Name of dam, if different) OWNER/OPERATOR MAXIMUM SURFACE AREA (acres) USE1 JURISDICTION 5 Fire Bird Gila River Indian Community 132 R Tribal Source: Compilation of databases from ADWR & others C. Small Reservoirs (greater than 15 acre-feet and less than 500 acre-feet capacity) Total number: 2 Total maximum storage: 250 acre-feet D. Other Small Reservoirs (between 5 and 50 acres surface area)3 Total number: 39 Total surface area: 643 acres E. Stockponds (up to 15 acre-feet capacity) Total number: 711 Notes: C= Flood Control, H= Hydroelectric, I = Irrigation, R = Recreation, S = Water Supply 2 Dam is located at the boundary of the Phoenix AMA but lake storage is in the Agua Fria Basin 3 Capacity data is not available to ADWR 1 121 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 122 Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 123 Arizona Water Atlas Volume 8 8.1.5 Perennial/Intermittent Streams and Springs in the Phoenix AMA Major and minor springs with discharge rates and date of measurement, and the total number of springs in the AMA are shown in Table 8.1-5. The locations of major springs and perennial and intermittent streams are shown on Figure 8.1-5. Descriptions of data sources and methods for intermittent and perennial reaches and springs are found in Volume 1, Appendix A. • • • • • • • Principal perennial streams include the Verde River, Gila River and the Salt River. Only the Verde River is perennial throughout the AMA. Perennial flow in the Salt River and the Gila River below the 91st Avenue WWTP and 23rd Avenue WWTP is from effluent discharge. Flow in the Salt and Verde Rivers is dependent on releases from a series of upstream dams. Numerous intermittent streams are found in the southeastern portion of the AMA in the Superstition Mountains. Perennial and intermittent streams are found in the northern portion of the AMA in the New River Mountains. There are two major springs with a measured discharge of 10 gallons per minute (gpm) or greater at any time located in the northeastern part of the AMA. Four minor springs with measured discharge of 1 to 10 gpm are not mapped but coordinates are given in Table 8.1-5B. Listed discharge rates may not be indicative of current conditions. All of the measurements were taken during or prior to 1983. The total number of springs, regardless of discharge, identified by the USGS or ALRIS varies from 110 to 132, depending on the database reference. Section 8.1 Phoenix Active Management Area 124 Arizona Water Atlas Volume 8 Table 8.1-5 Springs in the Phoenix AMA A. Major Springs (10 gpm or greater): Map Key Name 1 2 Location1 Latitude Longitude Discharge (in gpm) Date Discharge Measured Seven Springs 335740 1115043 75 1/11/1983 Camp Creek 335445 1114856 75 1/11/1983 Date Discharge Measured B. Minor Springs (1 to 10 gpm): Location1 Latitude Longitude Discharge (in gpm) Columbine 335502 1114905 3 1/11/1983 Kentuck 335445 1114913 3 1/11/1983 Blackberry 335434 1115026 3 1/11/1983 Jims 335119 1120045 1 5/1/1974 Name Source: Compilation of databases from ADWR & others C. Total number of springs, regardless of discharge, identified by USGS (see ALRIS, 2005a and USGS, 2006b): 110 to 132 Notes: Location datum is NAD 27 1 125 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 126 Arizona Water Atlas Volume 8 8.1.6 Groundwater Conditions of the Phoenix AMA Major aquifers, well yields, estimated natural recharge, number of index wells and date of last water-level sweep are shown in Table 8.1-6. Figure 8.1-6 shows aquifer flow direction and waterlevel change between 1991-1992 and 2002-2003 for the entire Phoenix AMA. Figures 8.1-6A-D show depth to water during 2002-2003 and water-level change between 1991-1992 and 2002-2003 for selected wells by sub-basin. Figure 8.1-7 contains hydrographs for selected wells shown on Figures 8.1-6A-D. Figure 8.1-8 shows well yields in five yield categories. Underground Storage Facilities (USF) and Groundwater Savings Facilities (GSF) are shown on Table 8.1-7 with facility name, facility permit number and type, permittee name, permitted acre-feet per year and water source. Locations of USFs and GSFs are shown on Figure 8.1-9. A description of aquifer data sources and methods as well as well data sources and methods, including water-level changes and well yields are found in Volume 1, Appendix A. Major Aquifers • Refer to Table 8.1-6 and Figure 8.1-6 • The major aquifers in the AMA are recent stream alluvium and basin fill. Groundwater is also found in sedimentary rock in some areas. • Groundwater flow has been artificially modified generally toward the Gila River drainage and groundwater pumping centers. Groundwater flow is toward cones of depression near Scottsdale, Mesa, and Queen Creek in the East Salt River Valley Sub-basin and to the southwest toward cones of depression in the Tonopah Desert and Centennial Wash area in the Hassayampa Sub-basin. • In the West Salt River Valley sub-basin, the direction of groundwater flow originally was along the Salt and Gila Rivers into the Hassayampa sub-basin. Groundwater flow has been artificially modified toward cones of depression near Luke AFB and Deer Valley. • In the Fountain Hills Sub-basin, groundwater flows to the south. (Not shown on map) • Groundwater flow in the Rainbow Valley Sub-basin is to the northwest, in the Lake Pleasant Sub-basin from north to south and in the Carefree Sub-basin to the west-southwest. Well Yields • Refer to Table 8.1-6 and Figure 8.1-8 • As shown on Figure 8.1-8, well yields are generally greater than 1,000 gpm. • One source of well yield information, based on 2,397 reported wells, indicates that the median well yield is 1,280 gpm. Natural Recharge • Refer to Table 8.1-6 • Natural recharge in the Phoenix AMA is 24,100 acre-feet per year. • Mountain front and streambed recharge are the principal sources of natural recharge. Water Level • Refer to Figure 8.1-6A-D. Water levels are shown for wells measured in 2002-2003. Not all water level data shown on Figure 8.2-6 are shown on Figures 8.2-6A-B. • The Department annually measures 442 index wells in the AMA. Hydrographs for 20 index Section 8.1 Phoenix Active Management Area 127 Arizona Water Atlas Volume 8 • wells are shown on Figure 8.1-7. The deepest water level shown is 866 feet in the vicinity of Cave Creek and the shallowest is 10 feet in the vicinity of Superior. Both wells are shown on Figure 8.1-7A. Recharge Sites • Refer to Table 8.1-7 and Figure 8.1-9. • As of December 2008 There are 43 active USFs and 10 GSFs. • The total permitted storage capacity for USFs is 962,000 acre-feet per year. • Total permitted storage capacity for GSFs is 517,520. Table 8.1-6 Groundwater Data for the Phoenix AMA Basin Area, in square miles: 5,646 Name and/or Geologic Units Recent Stream Alluvium Basin Fill Major Aquifer(s): Basin Fill (Carefree Formation) Basin Fill with interbedded basalt Sedimentary Rock (conglomerate) Well Yields, in gal/min: Estimated Natural Recharge, in acre-feet/year: Range .1-6,944 Median 1,470 (2,354 wells measured) ADWR GWSI Range 1-6,944 Median 1,280 (2,397 wells reported) Reported on registration forms for large (> 10-inch) diameter wells (Wells55) 24,100 ADWR Phoenix TMP (ADWR 1999) Current Number of Index Wells: 442 Date of Last Water-level Sweep: 2009 (795 wells measured) TMP = Third Management Plan GWSI = Groundwater Site Inventory System 128 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 129 Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 130 Arizona Water Atlas Volume 8 131 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 132 Arizona Water Atlas Volume 8 133 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Figure 8.1-7 Phoenix Active Management Area Hydrographs Showing Depth to Water in Selected Wells A Depth To Water In Feet Below Land Surface 250 WELL DEPTH: 1280 FT. USE: UNUSED A-03-04 24CAA 300 350 1975 300 B 350 1975 325 C 375 1975 1985 1995 WELL DEPTH: 85 FT. USE: UNUSED 1985 A-03-05 22BAA 1995 WELL DEPTH: 735 FT. USE: PUBLIC SUPPLY 1985 2005 2005 A-03-06 15ABA 1995 Section 8.1 Phoenix Active Management Area 2005 134 Arizona Water Atlas Volume 8 Figure 8.1-7 (cont) Phoenix Active Management Area Hydrographs Showing Depth to Water in Selected Wells D 400 WELL DEPTH: 1041 FT. USE: UNUSED A-01-07 18ACC Depth To Water In Feet Below Land Surface 450 500 550 600 1975 E 500 1985 1995 WELL DEPTH: 700 FT. USE: IRRIGATION 2005 A-01-08 32BBA 550 600 650 1975 135 1985 1995 2005 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Figure 8.1-7 (cont) Phoenix Active Management Area Hydrographs Showing Depth to Water in Selected Wells F WELL DEPTH: 500 FT. USE: IRRIGATION D-01-05 36DDD 100 Depth To Water In Feet Below Land Surface 150 200 250 1975 400 G 1985 1995 WELL DEPTH: 757 FT. USE: IRRIGATION 2005 D-03-09 20DAA 450 500 1975 350 H 400 1975 1985 1995 WELL DEPTH: 712 FT. USE: STOCK 1985 2005 B-04-05 05ABB 1995 Section 8.1 Phoenix Active Management Area 2005 136 Arizona Water Atlas Volume 8 Figure 8.1-7 (cont) Phoenix Active Management Area Hydrographs Showing Depth to Water in Selected Wells 225 I WELL DEPTH: 390 FT. USE: UNUSED B-02-07 23CCA Depth To Water In Feet Below Land Surface 275 325 1975 75 J 1985 WELL DEPTH: 304 FT. USE: UNUSED 125 1975 K 200 1995 1985 2005 B-01-05 08DAB 1995 WELL DEPTH: 500 FT. USE: UNUSED 2005 C-01-07 14BBB 250 300 1975 137 1985 1995 2005 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Figure 8.1-7 (cont) Phoenix Active Management Area Hydrographs Showing Depth to Water in Selected Wells L Depth To Water In Feet Below Land Surface 350 400 1975 400 M 450 1975 WELL DEPTH: 1030 FT. USE: IRRIGATION 1985 C-02-01 33AAA 1995 WELL DEPTH: 750 ft. USE: UNUSED 1985 2005 D-04-01 28CDD 1995 Section 8.1 Phoenix Active Management Area 2005 138 Arizona Water Atlas Volume 8 Figure 8.1-7 (cont) Phoenix Active Management Area Hydrographs Showing Depth to Water in Selected Wells 300 N WELL DEPTH: 1200 FT. USE: UNUSED B-03-01 08ABB1 Depth To Water In Feet Below Land Surface 350 400 450 1975 O 325 1985 WELL DEPTH: 480 FT. USE: UNUSED 375 1975 139 1985 1995 2005 B-02-02 04DCB 1995 2005 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Figure 8.1-7 (cont) Phoenix Active Management Area Hydrographs Showing Depth to Water in Selected Wells P 100 WELL DEPTH: 560 FT. USE: IRRIGATION A-02-01 20DDD2 Depth To Water In Feet Below Land Surface 150 200 1975 100 Q 1985 WELL DEPTH: 425 FT. USE: IRRIGATION 1995 2005 B-01-03 21DBB 150 200 1975 0 R 1985 WELL DEPTH: 410 FT. USE: IRRIGATION 1995 2005 A-01-02 18BBC 50 100 1975 1985 1995 Section 8.1 Phoenix Active Management Area 2005 140 Arizona Water Atlas Volume 8 141 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 142 Arizona Water Atlas Volume 8 Table 8.1-7 Recharge Sites in the Phoenix AMA A. Underground Storage Facilities FACILITY NAME AGUA FRIA FACILITY NUMBER 71-569776.0004 71-569775.0004 PERMITTEE NAME CAWCD FACILITY TYPE CONSTRUCTED MANAGED PERMITTED AF/YEAR 100,000 WATER SOURCE C C ARROWHEAD 71-591934.0000 ARIZONA-AMERICAN WATER CO. CITY OF GLENDALE CONSTRUCTED 2,300 E AVONDALE WETLANDS 71-565257.0001 CITY OF AVONDALE CONSTRUCTED 15,000 C,S CAVE CREEK 71-595199.0000 CITY OF PHOENIX CONSTRUCTED 8,961 E CHANDLER HEIGHTS 71-588551.0001 CITY OF CHANDLER CONSTRUCTED 2,240 E ANTHEM (DESERT HILLS) 71-566962.0000 CONSTRUCTED 10,000 C,E CHANDLER INTEL 71-541455.0001 CITY OF CHANDLER CONSTRUCTED 3,100 E CHANDLER OCOTILLO 71-583023.0004 CITY OF CHANDLER CONSTRUCTED 11,200 E CHANDLER TUMBLEWEED 71-560347.0000 CITY OF CHANDLER CONSTRUCTED 11,200 E EL MIRAGE 71-595207.0000 CITY OF EL MIRAGE MANAGED 2,016 E FOUNTAIN HILLS 71-591940.0000 FOUNTAIN HILLS SANT. DIST. CONSTRUCTED 2,241 E GILBERT MUNICIPAL 71-591935.0000 CITY OF GILBERT CONSTRUCTED 2,240 E GILBERT NEELY WILDLIFE HABITAT 71-520379.0000 TOWN OF GILBERT CONSTRUCTED 3,314 E GILBERT RIPARIAN PRESERVE 71-564416.0000 TOWN OF GILBERT CONSTRUCTED 4,369 C,E,S GILBERT SOUTH 71-595198.0000 CITY OF GILBERT CONSTRUCTED 10,098 CE GLENDALE AIRPORT 71-586730.0000 CITY OF GLENDALE CONSTRUCTED 7,841 E GOLD CANYON 71-591929.0000 GOLD CANYON SEWER CO. CONSTRUCTED 1,120 E GOODYEAR EFFLUENT 71-566367.0000 CITY OF GOODYEAR CONSTRUCTED 3,360 E GRANITE REEF UNDERGROUND STORAGE PROJECT (GRUSP) 71-516371.0000 SRP CONSTRUCTED 200,000 C,E,S HIEROGLYPHIC MTS. 71-584466.0001 CAWCD CONSTRUCTED 35,000 C KEN MCDONALD 71-563943.0001 CITY OF TEMPE CONSTRUCTED 3,400 E LAKE PLEASANT 71-205388.0000 LAKE PLEASANT SEWER CO. CONSTRUCTED 67 E MESA NWWRP 71-518105.0000 CITY OF MESA CONSTRUCTED 8,963 E Section 8.1 Phoenix Active Management Area 143 Arizona Water Atlas Volume 8 Table 8.1-7 Recharge Sites in the Phoenix AMA (cont) A. Underground Storage Facilities FACILITY NAME FACILITY NUMBER PERMITTEE NAME FACILITY TYPE PERMITTED AF/YEAR WATER SOURCE NEW RIVER AGUA FRIA RECHARGE PROJECT (NAUSP) 71-588558.0003 SRP CONSTRUCTED 75,000 C,E,S NORTH GATEWAY 71-595208.0000 CITY OF PHOENIX CONSTRUCTED 1,742 C NORTH SCOTTSDALE 71-583022.0001 CITY OF SCOTTSDALE CONSTRUCTED 3,642 C OCOTILLO 71-546845.0002 OCOTILLO MGT GROUP CONSTRUCTED 500 E PEORIA WWTP - BEARDSLEY 71-552497.0002 CITY OF PEORIA CONSTRUCTED 17,920 E RED MOUNTAIN 71-535755.0001 CONSTRUCTED 2,000 C SUN CITY WEST 71-534362.0003 CONSTRUCTED 5,600 E SUN LAKES SUPERSTITION MOUNTAINS COMMUNITIES FACILITIES DISTRICT (SMCFD) SUPERSTITION MTNS 71-560427.0001 CITY OF MESA ARIZONA AMERICAN WATER CO. PIMA UTILITIES CONSTRUCTED 628 E 71-584469.0000 SUPERSTITION MOUNTAINS COMMUNITIES FACILITIES CONSTRUCTED 2,352 E 71-207702.000 CAWCD CONSTRUCTED 56,500 C SURPRISE (SOUTH PLANT) 71-562521.0002 CITY OF SURPRISE CONSTRUCTED 8,066 E TARTESSO 71-205381.0001 TOWN OF BUCKEYE CONSTRUCTED 20,163 E TONOPAH DESERT 71-593305.0002 CAWCD CONSTRUCTED 150,000 C TRAMONTO 71-591936.0002 CONSTRUCTED 1,935 C VERRADO 71-207708.0006 CONSTRUCTED 500 E WATER CAMPUS 71-560648.0002 CONSTRUCTED 16,800 C,E WEST MARICOPA COMBINE 71-550601.0000 MANAGED 25,000 C WEST MARICOPA COMBINE 71-578112.0001 MANAGED 25,000 C WESTWORLD 71-574911.0002 CITY OF PHOENIX ARIZONA-AMERICAN WATER CO. CITY OF SCOTTSDALE WEST MARICOPA COMBINE, INC. WEST MARICOPA COMBINE, INC. CITY OF SCOTTSDALE CONSTRUCTED 1,000 C 144 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-7 Recharge Sites in the Phoenix AMA (cont) B. Groundwater Savings Facilities PERMITEE/FACILITY NAME CAWCD @ CHANDLER HEIGHTS ID CAWCD @ QUEEN CREEK ID FACILITY NUMBER 72-534753.0000 72-534550.0003 PERMITTED AF/YEAR WATER SOURCE 3,000 28,000 C C GILA RIVER INDIAN IDD LITCHFIELD PARK SERVICE COMPANY (LPSCO) MARICOPA WATER DISTRICT 72-211277.0000 37,520 C 72-534978.0000 105,000 E 72-558246.0002 40,000 C NEW MAGMA IDD 72-534888.0003 54,000 C ROOSEVELT ID 72-572386.0001 30,000 E ROOSEVELT WATER CONSERVATION DISTRICT (RWCD) 72-545695.0000 105,000 C,E SRP 72-553166.0002 100,000 C TONOPAH ID 72-534439.0003 15,000 C Notes: Gila River Indian IDD GSF is located in the Phoenix and Pinal AMAs. Permitted AF/Year shown here is for the Phoenix AMA only. C - CAP E - Effluent S - Surface Water CAWCD - Central Arizona Water Conservation District ID - Irrigation District IDD - Irrigation and Drainage District SRP - Salt River Project Section 8.1 Phoenix Active Management Area 145 Arizona Water Atlas Volume 8 146 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 147 Arizona Water Atlas Volume 8 8.1.7 Water Quality Exceedences and Contamination Sites in the Phoenix AMA Sites with parameter concentrations that have equaled or exceeded drinking water standard(s) (DWS), including location and parameter(s) are shown in Table 8.1-8A. Impaired lakes and streams with site type, name, length of impaired reach, area of impaired lake, designated use standard and parameter(s) exceeded is shown in Table 8.1-8B. Figures 8.1-10 and 8.1-10A show the location of water quality occurrences keyed to Table 8.1-8. Figures 8.1-11 and 8.1-11A show the location of contamination sites with site information show in Table 8.1-9. All community water systems are regulated under the Safe Drinking Water Act and treat water supplies to meet drinking water standards. Not all parameters were measured at all sites; selective sampling for particular constituents is common. A description of water quality data sources and methods is found in Volume 1, Appendix A. Well, Mine or Spring sites that have equaled or exceeded drinking water standards (DWS) • Refer to Table 8.1-8A. • One thousand five hundred and one sites have parameter concentrations that have equaled or exceeded DWS. • Frequently equaled or exceeded parameters include nitrate, fluoride, arsenic, manganese and organics • Other parameters equaled or exceeded include cadmium, lead, radionuclides, selenium, beryllium, chromium, total dissolved solids, mercury and barium. Lakes and Streams with impaired waters • Refer to Table 8.1-8B. • Water quality standards were equaled or exceeded in seven stream reaches and three lakes. • The most common parameter equaled or exceeded was pesticides. • One reach, Queen Creek - from headwaters to the mining discharge, is part of the ADEQ water quality improvement effort called the Total Maximum Daily Load (TMDL) Program. Sampling is ongoing at the site at this time. • There are four effluent dependent reaches in the AMA: Gila River, Salt River, Agua Fria River and Queen Creek. Contamination Sites • Refer to Figures 8.1-11 and 8.1-11A and Table 8.1-9 • There are 39 Voluntary Remediation Program sites, 12 Water Quality Assurance Revolving Fund sites, seven active National Priority List sites, one Department of Defense Site and nine Resource Conservation and Remediation Act sites. • The most common contaminants are Volatile Organic Compounds (VOCs). Section 8.1 Phoenix Active Management Area 148 Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Township Range Section Number of Sampling Sites 7 North 7 North 7 North 7 North 7 North 7 North 7 North 7 North 7 North 7 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 5 North 5 North 5 North 6 North 6 North 5 North 5 North 5 North 5 North 5 North 5 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 6 North 5 North 6 North 5 North 5 North 4 North 4 North 4 North 4 North 4 North 4 North 4 North 5 North 4 North 4 North 4 North 5 North 3 North 2 East 2 East 3 East 3 East 3 East 2 East 2 East 2 East 2 East 2 East 2 East 3 East 3 East 3 East 3 East 3 West 2 West 4 East 4 East 4 East 4 East 5 East 8 West 5 West 6 West 3 West 1 West 2 East 2 East 2 East 2 East 2 East 3 East 3 East 3 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 5 East 5 East 5 East 5 East 7 East 2 West 1 West 1 West 1 West 1 West 1 East 1 East 2 East 2 East 2 East 4 East 5 East 7 East 6 West 24 29 30 31 32 25 26 27 34 35 2 5 8 4 16 5 18 10 11 8 9 18 35 31 25 1 10 29 33 4 3 10 5 8 12 32 15 21 22 23 26 27 28 29 36 30 31 6 33 4 36 7 8 27 28 23 24 23 35 11 11 14 32 27 1 1 2 1 1 1 1 1 4 1 1 1 1 1 2 1 1 1 3 2 6 1 1 1 1 1 1 2 1 1 2 1 2 1 2 1 3 4 4 1 1 3 9 2 1 1 6 2 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 149 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 F NO3 F, NO3 F F NO3 NO3 F As, F, NO3 F As, Pb As As As As, F As F F F, Rad As, Rad As, F, Hg, NO3, Pb, Rad F F F F As As Cd Cd F As, F F F F Organics Rad As, F, Rad As, Rad As, Pb, Rad Rad Rad As, F, Rad As, F, Rad As, Rad Rad Rad As, Rad As, Pb Rad As NO3 As F F F Organics NO3, Organics As As As As F F F Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 39 40 41 42 43 44 45 46 47 48 49 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 Township Range Section Number of Sampling Sites 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 4 North 4 North 3 North 3 North 3 North 4 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 3 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 West 2 West 2 West 2 West 2 West 2 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 East 1 East 1 East 1 East 1 East 1 East 1 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 3 East 4 East 4 East 4 East 5 East 6 East 6 East 6 East 7 East 7 West 7 West 7 West 7 West 7 West 7 West 7 West 7 West 2 West 2 West 2 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 14 15 1 25 36 13 17 15 16 22 23 27 28 33 34 2 10 11 18 23 34 35 12 25 13 30 29 20 21 22 16 4 13 30 16 23 25 28 15 23 13 18 5 28 14 23 25 26 27 36 20 21 28 16 17 19 20 21 29 30 4 5 8 9 28 3 1 1 1 1 2 1 2 1 2 2 2 1 1 1 1 3 2 1 1 1 4 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 5 1 1 1 1 2 2 3 5 1 3 2 1 1 2 1 1 3 3 1 1 2 3 1 4 3 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 As, F F F, NO3 F As, Pb NO3, Organics As F, NO3 F As, F NO3 As, F F NO3 As NO3 Cr, F F, NO3 Organics NO3 NO3 NO3, Organics As, NO3, Se NO3 As, NO3, Se NO3, Organics As, NO3 NO3 Be NO3 NO3 As NO3 Pb As Cr Cr As, F, Pb As NO3, TDS Cr As F F As, F, Pb F F As, F, Pb F F As, Organics As As F As, F As, F F F, NO3 As, F F F As, F F F As, F, NO3 Section 8.1 Phoenix Active Management Area 150 Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 100,101 101 Township Range Section Number of Sampling Sites 2 North 2 North 2 North 2 North 1 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 3 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 3 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 6 West 6 West 5 West 6 West 6 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 4 East 4 East 4 East 4 East 4 East 4 East 23 24 7 32 6 23 27 1 11 14 24 26 36 18 19 30 31 6 5 8 28 3 15 13 20 29 8 9 17 34 3 4 12 24 19 30 6 17 20 21 22 26 27 28 34 35 36 26 19 17 20 15 22 26 23 13 24 25 36 19 20 21 29 30 31 1 1 1 4 1 1 1 1 2 2 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 3 1 1 2 1 1 2 1 1 1 1 1 1 1 1 58 28 19 2 1 6 6 1 1 1 11 2 7 1 2 1 2 26 2 6 6 1 12 8 10 151 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 F F F F As, F, Pb As As F, NO3 As, NO3 As, NO3, Organics As, NO3 NO3 NO3 F, NO3 Pb NO3 F, NO3, TDS NO3 F As NO3 Organics As NO3 Organics NO3 Organics NO3 NO3, Organics NO3 Se NO3 Se NO3 NO3 NO3 NO3 As As NO3, Pb Cr, Organics NO3, Organics As, Cr, Organics NO3, Organics Organics Organics NO3, Organics NO3 NO3 NO3 Organics, Pb Organics As, F, Organics F Organics NO3 Organics As, F, NO3, Organics F, NO3 Organics Organics As, F, NO3 As, F, Organics F, Hg, NO3, Organics As, F, NO3, Organics, Pb Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 101 102 103 104 105 106 107 108 109 110 112 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 132,135 133,136 Township Range Section Number of Sampling Sites 2 North 1 North 1 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 2 North 3 North 2 North 2 North 1 North 1 North 1 North 1 North 2 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 South 1 North 1 North 1 South 1 South 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 South 1 South 1 North 1 North 1 North 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 5 East 5 East 5 East 5 East 5 East 7 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 7 West 5 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 3 West 4 West 4 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 32 5 6 23 27 11 12 14 25 24 19 15 35 23 13 20 26 20 8 33 21 34 10 15 3 27 20 16 21 23 24 26 27 19 35 36 31 7 17 28 30 32 5 27 34 3 4 14 23 24 25 26 13 17 18 19 20 29 32 5 6 28 10 8 6 1 2 1 1 5 2 3 1 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 1 1 1 1 1 1 1 1 4 2 1 2 1 1 1 1 2 1 4 1 2 3 1 2 2 1 1 2 1 3 3 1 1 3 4 3 3 3 2 1 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 As, F, NO3, Organics As, F, NO3 As, F, Organics Se NO3 As, Cr, NO3, Se As, Se As, Cr NO3, Se NO3 Organics NO3 As NO3 NO3 Organics F F As, F F As, F F As, F As, F F F NO3 NO3 F As, F F F, NO3, TDS F, NO3, TDS As, F, NO3, TDS F F, NO3, TDS As F, TDS F TDS As, F, NO3 NO3, TDS As, F, NO3, TDS F, NO3, TDS NO3, TDS As, F, Mn, NO3, TDS NO3 NO3 As, F F, Mn, NO3, TDS NO3 As, Ba, Be, Mn, NO3, Pb, TDS As NO3, TDS NO3, TDS TDS NO3, TDS NO3, TDS As, F, NO3, TDS As, NO3, Pb F, NO3, TDS NO3, TDS NO3 F Section 8.1 Phoenix Active Management Area 152 Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 133 134 135 136 136,138 137 136,138 138 139 140 141 142 143 144 144 145 146 147 148 149 150 151 151,154 152 153 154 Township Range Section Number of Sampling Sites 1 North 1 North 1 North 2 North 2 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 2 North 2 North 2 North 2 North 2 North 2 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 2 North 2 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 2 North 2 North 1 North 1 North 1 North 1 North 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 1 West 1 West 2 West 2 West 2 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 1 East 1 West 1 West 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 1 East 2 East 1 East 1 East 2 East 2 East 2 East 2 East 2 East 9 15 16 33 34 3 21 22 26 27 2 11 12 14 25 30 19 13 23 24 7 17 18 5 29 10 15 21 22 3 4 27 24 25 26 34 36 30 1 24 30 17 22 28 32 32 34 2 3 4 9 10 11 16 23 1 12 7 24 36 33 4 5 8 9 3 2 1 3 1 1 3 2 1 2 4 3 1 3 4 2 3 4 1 2 2 1 4 1 3 4 7 1 1 1 2 1 1 1 1 1 4 1 2 1 2 1 1 1 1 2 1 1 2 2 1 2 3 1 1 1 2 12 1 1 1 1 3 17 15 153 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 As, NO3, Pb NO3 F NO3 As, F NO3 As, F, NO3 As, F, NO3 TDS NO3, TDS F, NO3, Organics As, F, NO3, Pb As, F, TDS NO3, TDS As, Cd, F, NO3, Pb NO3, TDS As, NO3, Organics, Pb, TDS As, NO3 NO3, TDS As, NO3, TDS NO3 NO3 NO3, TDS NO3 F, TDS NO3, Organics NO3, Organics, Pb NO3, TDS NO3 Organics NO3 F NO3 NO3 Organics As, Mn NO3, Pb Organics NO3 NO3 NO3, TDS NO3 TDS As Cd, TDS NO3 NO3 NO3 NO3 NO3 NO3 Mn, NO3 Cd, Cu, Mn, NO3, Organics NO3 As Organics Organics NO3, Organics As NO3, Pb Organics Organics Organics Mn, Organics Organics Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 154 153,156 155 156 157 158 158,130 159 160 160,161 161 Township Range Section Number of Sampling Sites 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 2 North 1 North 1 North 2 North 1 North 2 North 2 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 2 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 4 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 3 East 4 East 3 East 3 East 3 East 4 East 10 15 11 27 28 33 1 12 13 24 5 7 8 18 19 32 22 15 27 6 34 35 1 2 3 4 9 10 11 12 7 14 13 24 17 5 3 3 1 1 1 2 5 3 3 1 14 16 7 5 1 1 4 1 1 2 1 11 7 2 3 3 10 47 65 4 4 15 9 2 1 North 4 East 18 53 1 North 4 East 19 10 1 North 1 North 2 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 2 North 2 North 2 North 2 North 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 4 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 6 East 6 East 6 East 6 East 6 East 6 East 30 27 35 1 2 11 13 14 23 24 19 30 17 18 9 15 11 13 14 1 6 17 27 28 32 33 1 1 1 1 1 1 10 4 6 2 3 2 1 1 1 1 2 1 1 1 2 1 4 1 1 1 161 162 163 164 165 166 167 168 169 170 171 172 173 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 F, NO3, Organics F, Organics Cr, Mn, Organics NO3 NO3 NO3 Organics NO3, Organics Organics, Pb Mn, Organics Organics Mn, Organics As, Mn, Organics, Pb Cr, Organics As, Ba, Mn, Organics Organics As As, Mn, Organics Organics As, F, Mn, Organics Organics Organics As, F, Organics NO3, Organics Organics Organics Organics Organics As, Mn, Organics As, Cr, Mn, NO3, Organics As, F, Organics Organics As, Cu, Mn, Organics, Pb As, Cd, Organics Mn, Organics, Pb As, Ba, Be, Cd, Cr, Cu, Mn, NO3, Organics, Pb Section 8.1 Phoenix Active Management Area As, Ba, Cd, Hg, Mn, NO3, Organics, Pb NO3 Se As Se Pb Pb As, Be, Mn, NO3, Organics As, Be, Mn, NO3 As, Be, Mn Organics, Se, Tl Organics, Se NO3, Se, TDS Se As, Mn Se Pb As, Se As Se Se Se Se As, Organics As, Se Se As, Se 154 Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 196,198 197 197,199 198 199 200 Township Range Section Number of Sampling Sites 2 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 North 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 North 1 North 1 North 1 South 1 South 1 South 1 North 1 South 1 South 1 South 1 South 1 North 1 South 1 South 1 South 1 South 1 South 1 South 1 South 6 East 6 East 6 East 6 East 6 East 6 East 6 East 6 East 6 East 7 East 7 East 7 East 8 East 8 East 8 East 8 East 7 West 7 West 7 West 6 West 7 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 6 West 5 West 5 West 5 West 5 West 5 West 5 West 5 West 5 West 5 West 4 West 4 West 4 West 4 West 4 West 5 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 4 West 34 33 9 10 23 24 26 35 12 30 26 24 4 10 15 1 22 12 13 18 24 19 31 16 17 21 27 28 14 23 25 35 21 28 32 33 34 3 12 13 24 7 18 19 20 17 36 31 32 5 6 8 33 10 11 15 16 34 1 2 3 4 9 24 12 5 1 1 1 1 1 1 1 1 1 1 3 2 1 2 1 1 1 1 1 1 2 1 1 2 2 1 1 1 2 1 1 3 2 1 1 2 9 1 4 1 1 1 2 3 2 1 1 2 3 2 2 4 2 5 3 2 3 4 2 3 2 1 1 1 155 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 Organics Se NO3 Mn, NO3, Pb F As, F F As As F As As, Cd, Mn, Organics, Pb NO3 Pb NO3 NO3 F F F F F As, F F F As, F As, F F F F F F F F F, NO3 F NO3, TDS F, TDS Mn, Organics NO3, Pb, TDS F, NO3 NO3, TDS TDS NO3, TDS NO3, TDS As, NO3, TDS As, F, NO3, TDS As, F NO3 As, F, NO3, TDS NO3, Organics NO3 NO3 As, NO3, TDS F, Organics As, F, NO3, TDS As, F, NO3, TDS As, F, NO3, TDS NO3, TDS F, NO3, TDS F, NO3, TDS F, NO3, TDS As, F, NO3, TDS TDS TDS TDS Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 201 202 203 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 Township Range Section Number of Sampling Sites 1 South 1 South 1 South 1 North 1 North 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 North 1 South 1 South 1 South 1 North 1 North 1 North 1 South 1 South 1 North 1 South 1 South 1 South 1 North 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 North 1 North 1 North 1 South 1 South 1 South 1 South 1 South 1 South 1 South 1 North 1 South 1 South 1 South 1 South 1 South 1 North 1 South 1 South 1 North 1 North 1 South 1 South 2 South 2 South 2 South 2 South 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 3 West 2 West 2 West 2 West 1 West 1 West 1 East 1 East 1 East 2 East 2 East 1 East 2 East 2 East 2 East 2 East 3 East 3 East 4 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 6 East 6 East 6 East 6 East 6 East 6 East 6 East 6 East 7 East 7 East 7 East 8 East 8 East 8 East 9 East 5 West 5 West 5 West 5 West 6 7 9 35 36 1 2 11 12 23 25 19 30 16 36 1 2 3 36 31 32 1 10 34 1 23 6 33 10 30 29 8 9 16 21 15 22 34 25 34 35 2 10 23 24 12 18 29 32 5 16 27 10 15 31 4 22 30 31 4 28 5 7 8 9 4 5 2 4 1 2 2 1 1 1 2 2 1 2 1 1 2 1 2 1 1 1 2 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 6 5 1 1 1 1 3 1 2 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 2 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 NO3, TDS As, NO3, TDS NO3, TDS As, F, NO3, TDS NO3, TDS As, Mn, NO3, TDS NO3, TDS As, TDS As, TDS F F F F F, NO3 Cd TDS NO3 Mn, TDS NO3 NO3 NO3 TDS As, NO3 As NO3 As As, F, Se Pb Se As, NO3 As As, Se As As, Se As Pb As NO3 Organics Pb Mn, Organics As, Cr, F, Mn, Organics TDS Cd Se As As, Cd, Cr, NO3, Pb, Se Se Pb, Se Hg, Se NO3 Organics Cd As F Mn, NO3 As, Mn As As As Hg F Cr, F F F, NO3, TDS Section 8.1 Phoenix Active Management Area 156 Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 Township Range Section Number of Sampling Sites 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 1 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 1 South 2 South 2 South 2 South 2 South 2 South 2 South 1 South 2 South 2 South 2 South 1 South 2 South 2 South 2 South 2 South 2 South 2 South 2 South 5 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 2 West 1 West 1 West 1 West 1 West 1 West 1 West 1 West 3 East 3 East 3 East 4 East 4 East 4 East 4 East 4 East 4 East 5 East 4 East 4 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 5 East 7 East 7 East 7 East 7 East 7 East 7 East 8 East 8 East 17 30 20 8 9 16 17 27 28 34 35 10 11 12 13 14 23 24 26 18 19 20 28 30 31 33 11 12 1 6 8 11 12 13 14 18 36 1 6 7 31 19 20 21 22 28 33 3 4 9 10 16 17 35 2 36 13 31 6 7 21 22 3 7 18 1 1 1 2 2 2 2 3 1 2 1 1 1 1 1 2 1 4 1 1 2 2 2 3 1 1 1 11 3 2 2 1 2 2 1 1 1 1 2 1 1 2 1 4 1 1 1 1 3 3 1 1 2 1 1 1 1 2 3 1 2 2 1 1 1 157 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 F F F F F F F F F F F, NO3 F F F F F, NO3 F F F F, TDS F F F Cd, F, NO3, Pb F F NO3, TDS NO3, Organics Mn, NO3, TDS NO3 NO3, TDS TDS Pb, TDS NO3, TDS NO3, TDS NO3, TDS As NO3, TDS Mn, NO3, TDS TDS Cd, NO3 NO3, TDS NO3, TDS NO3 NO3 NO3 Be NO3 NO3 NO3 NO3 NO3 NO3, TDS Se NO3 NO3 NO3 Cd, Cr Cr, Organics NO3 NO3 As, NO3 As NO3 NO3 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-8 Water Quality Exceedences in the Phoenix AMA1 A. Wells, Springs and Mines Location Map Key(s) 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 Township Range Section Number of Sampling Sites 2 South 1 South 2 South 2 South 3 South 3 South 3 South 3 South 3 South 3 South 3 South 3 South 3 South 3 South 2 South 2 South 3 South 5 South 4 South 4 South 4 South 4 South 8 East 9 East 12 East 12 East 2 West 2 West 1 East 5 East 6 East 8 East 8 East 8 East 9 East 9 East 9 East 10 East 9 East 1 West 1 East 5 East 5 East 9 East 15 35 3 4 1 2 20 6 27 5 6 21 28 30 36 31 2 5 28 15 11 5 2 1 1 1 1 1 1 1 1 1 1 2 2 1 1 2 2 1 1 2 1 1 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 NO3 Cd TDS TDS As, F, NO3 F F As As NO3 NO3 NO3 NO3, Pb As Be, Cd, Pb Be, Cd, Pb Be, Cd, Pb NO3 Mn, Pb F, NO3 NO3 NO3 Section 8.1 Phoenix Active Management Area 158 Arizona Water Atlas Volume 8 B. Lakes and Streams Map Key Site Type a Stream b Stream c Stream d Site Name Hassayampa River Buckeye Canal to Gila River Gila River - Centennial Wash to Gillespie Dam Length of Area of Impaired Designated Impaired Stream Lake (in acres) Use Standard3 Reach (in miles) Parameter(s) Exceeding Use 2 Standard NA NA FC Pesticides 5.3 NA A&W, Agl Se, Bo Gila River - Hassayampa River to Centennial Wash 7 NA FC Pesticides Stream Gila River - Waterman Wash to Hassyampa River 13.9 NA FC Pesticides e Stream Gila River - Agua Fria River to Waterman Wash 11.9 NA FC Pesticides f Stream 3.7 NA FC Pesticides g Stream 8.8 NA A&W Cu h Lake Cortez Park Lake NA 2 A&W, PBC i Lake Chaparral Park Lake NA 12 A&W, PBC j Lake Alvord Lake NA 27 A&W, PBC Gila River - Salt River to Agua Fria River Queen Creek from headwaters to mining discharge Dissolved Oxygen, high pH Dissolved Oxygen, E. coli Ammonia Source: ADEQ 2005d Notes: 1 Water quality samples collected between 1975 and 2001. Listed TDS exceedences indicate "mineralized water" that contains over 3000 milligrams per liter (mg/l) of TDS and would require special well construction procedures (A.A.C. R12-15-812(B)). The secondary 2 As = Arsenic Ba = Barium Be = Beryllium Bo = Boron Cd = Cadmium Cr = Chromium Cu = Copper F = Fluoride Hg = Mercury Pb = Lead pH = measurment of acidity or alkalinity NO3 = Nitrate/ Nitrite Organics = One or more of several volatile and semi-volatile organic compounds and pesticides Rad = radionuclides TDS = Total Dissolved Solids Tl = Thallium Se = Selenium 3 A&W = Aquatic and Wildlife Agl = Irrigation of Crops FC = Fish Consumption PBC = Partial Body Contact 159 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 160 Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 161 Arizona Water Atlas Volume 8 Table 8.1-9 Contamination Sites in the Phoenix AMA MAP INSET KEY SITE NAME MEDIA AFFECTED AND CONTAMINANT Voluntary Remediation Sites - 2052 N. 27th Avenue Soil/Lead and Volatile Organic Compounds (VOCs) m Anderson Clayton - Phoenix Oil Mill Soil/Mercury j APS 2nd Ave. MGP - APS Buckeye Service Center i APS Grant Street Yard - BHP Superior Northwest Study Area - Citrus Road Soil/Petroleum hydrocarbons - Clementine Mine Soil/Aluminum iron manganese f Cummins Southwest Soil & Groundwater/Total Petroleum Hydrocarbons (TPH) and Benzo-anthracene e El Mirage Trap & Skeet Soil/Lead - EPNG Gila Compressor Station Soil & Groundwater/Chromium, Fluoride, Nitrite, Nitrate, Lead and Arsenic s Former Capitol Castings Soil & Groundwater/Total Petroleum Hydrocarbons (TPH) and Chlorinated Volatile Organic Compounds (CVOCs) - Former Puregro Unit 0776040 Gilbert Soil & Groundwater/Pesticides u Former Sanders Aviation Soil/Toxaphene and other pesticides g Franklin Elementary School Soil/Chlordane q Goodrich Turbomachinery Products (GTP) Soil/Tetrachloroethene (PCE) Groundwater/Tetrachloroethene (PCE); 11Dichloroethene (DCE); 11-Dichloroethane (DCA); cis12-Dichloroethene (DCE) v Gould Electronics Soil/Lead, Copper, Arsenic, Chromium and Cyanide - Great Western Silicon Groundwater/Tetrachloroethene (PCE) a Honeywell Business Regional & General Aviation Facility b Honeywell Deer Valley Computer Park c Honeywell Peoria Avenue Soil & Groundwater/Benzene, Polycyclic aromatic hydrocarbons (PAHs), Metals, and Petroleum hydrocarbons Groundwater/Benzene, Toluene, Ethyl benzene, and Xylene (BTEX); Methyl Tertiary-butyl ether (MTBE); and Gasoline additives Soil/Polycyclic aromatic hydrocarbons (PAHs) and Total Petroleum Hydrocarbons (TPH) Soil & Groundwater/Total Petroleum Hydrocarbons (TPH) and Benzene, Toluene, Ethyl benzene, and Xylene (BTEX) Soil/Chlorinated Volatile Organic Compounds (CVOCs) Groundwater/ Benzene, Toluene, Ethyl benzene, and Xylene (BTEX) Groundwater/Volatile Organic Compounds (VOCs) and Trichloroethene (TCE) Groundwater/Dichloroethene (DCE) and Trichloroethene (TCE) Section 8.1 Phoenix Active Management Area 162 Arizona Water Atlas Volume 8 Table 8.1-9 Contamination Sites in the Phoenix AMA (cont) MAP INSET KEY SITE NAME MEDIA AFFECTED AND CONTAMINANT Voluntary Remediation Sites o IMC Magnetics Corp. Soil/Arsenic, Cadmium and Nickel x Layton Lakes UFT Area Soil & Groundwater/Total Petroleum Hydrocarbons (TPH), Benzene, Toluene, Ethyl benzene, and Xylene (BTEX); Methyl Tertiary-butyl ether (MTBE); and Dichloroethane (DCA) - Maricopa County Sheriff's Shooting Range Soil/Lead, Arsenic and Antimony - Marley Park - Section 16 Soil/Chlorinated pesticides - Marley Park Retention Basin Soil/Organochlorine pesticides - Marley Park-Former Housing and Maintenance Areas Soil/Petroleum hydrocarbons, Toxaphene, Dieldrin, Arsenic and Solid waste n McClintock/Rio Salado Pkwy Brownfield Redevelopment Area Soil/To be determined r Motorola Mesa Center-GW Groundwater/Tetrachloroethene (PCE) - Phoenix Mine Soil/Lead and Arsenic - Planned Library Property Soil/Total Petroleum Hydrocarbons (TPH), Polycyclic aromatic hydrocarbons (PAHs), Metals and Pesticides w Roy Ginning Co. Soil/Hydraulic oil d Shea Plaza Soils/Benzene, Toluene, Benzene, Toluene, Ethyl benzene, and Xylene (BTEX) and Hydrocarbons k Southwest Cooperative Wholesale Soil & Groundwater/Pesticides, Metals, Hydrocarbons and Arsenic l SRP - Crosscut Facility Soil & Groundwater/Solvent and Metals h Target Southwest Distribution Center Soil/Gasoline and Diesel p U of A Cotton Center Washing Soil/Pesticides, Total Petroleum Hydrocarbons (TPH), Sump Heavy metals, Arsenic and Chloroform dieldrin t West Phoenix Power Plant Soil & Groundwater/Total Petroleum Hydrocarbons (TPH); Benzene, Toluene, Ethyl benzene, and Xylene (BTEX); and Polycyclic aromatic hydrocarbons (PAHs) - Wigwam Blvd. Soil/Petroleum hydrocarbons 163 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-9 Contamination Sites in the Phoenix AMA (cont) SITE NAME MEDIA AFFECTED AND CONTAMINANT Water Quality Assurance Revolving Fund (WQARF) Sites 7th Ave and Bethany 16th Street and Camelback Soil & Groundwater/Tetrachloroethene (PCE) and Trichloroethene (TCE) Groundwater/Tetrachloroethene (PCE) and Dichloroethane (DCA) 56th and Earll Groundwater/Trichloroethene (TCE) and Arsenic Central and Camelback Groundwater/Tetrachloroethene (PCE), Trichloroethene (TCE), Dichloroethene (DCE) and Vinyl chloride Cooper and Commerce East Washington Fluff East Central Phoenix (ECP) Study Area1 Estes Lanfill South Mesa West Central Phoenix (WCP) Study Area2 Soil/Arsenic Groundwater/Tetrachloroethene (PCE) and Trichloroethene (TCE) Soil/Lead, Cadmium, Arsenic and Polychlorinated Biphenyls (PCBs) Groundwater/Trichloroethene (TCE) and Tetrachloroethene (PCE) Soil/Arsenic, Lead and Thallium Groundwater/Vinyl chloride, Dichloroethene (DCE), Trichloroethene (TCE), Benzene, Bis(2-ethylhexyl)phthalate, Arsenic, Barium, Chromium, Lead and Manganese Groundwater/Tetrachloroethene (PCE) and Trichloroethene (TCE) Soil & Groundwater/Tetrachloroethene (PCE) and Trichloroethene (TCE) West Van Buren Groundwater/Tetrachloroethene (PCE), Trichloroethene (TCE), Dichloroethane (DCA), Dichloroethene (DCE) and Chromium Western Avenue PCE Groundwater/Perchloroethene National Priority List (NPL) Superfund Sites 19th Avenue Landfill Delisted Hassayampa Landfill Soil/Volatile Organic Compounds, Heavy metals, Pesticides and Lime wastes Groundwater/Various Volatile Organic Compounds (VOCs) and toluene. Indian Bend Wash-North Groundwater/Trichloroethene (TCE) Indian Bend Wash-South Soil/Volatile Organic Compounds (VOCs), Cyanides, Acids, Chromium and Lead Groundwater/Volatile Organic Compounds (VOCs) Motorola 52nd Street Groundwater/Industrial solvents, Trichloroethene (TCE) and Trichloroethane (TCA) Section 8.1 Phoenix Active Management Area 164 Arizona Water Atlas Volume 8 Table 8.1-9 Contamination Sites in the Phoenix AMA (cont) SITE NAME MEDIA AFFECTED AND CONTAMINANT National Priority List (NPL) Superfund Sites (cont) Phoenix/Goodyear Airport North Soil & Groundwater/Trichloroethene (TCE) and Perchlorate Phoenix/Goodyear Airport South Groundwater/Trichloroethene (TCE), Perchloroethene (PCE) and Chromium Williams Air Force Base Soil & Groundwater/Organic solvents, Paint strippers, Petroleum, Metal plating wastes, Hydraulic fluids, Pesticides and Radiological wastes Department of Defense (DOD) Sites 161st Air National Guard Groundwater/Benzene, toluene, ethylbenzene and xylenes (BTEX). Resource Conservation and Remediation Act Sites Honeywell Bull Incorporation Groundwater/'Volatile Organic Compounds (VOCs), Trichloroethene (TCE) Bean & Company Groundwater/Pesticides PureGro-Tolleson Groundwater & Soil/Pesticides Revlon Groundwater & Soil/'Volatile Organic Compounds (VOCs), Metals Chemresearch Company Groundwater & Soil/Lead Safety Kleen Groundwater & Soil/Volatile Organic Compounds (VOCs), Mineral Spirits Walbar Groundwater/'Trichloroethene (TCE) Motorola Groundwater/Tetracholoroethene (PCE) Dolphin Incorporation Groundwater & Soil/Tetracholoroethene (PCE), Trichloroethane (TCA) Sources: ADEQ 2002, ADEQ 2006a, ADEQ 2006b East Central Phoenix Study Area includes: 32nd Street and Indian School Road, 32nd Street and Indian School Road, 38th Street and Indian School Road, 40th Street and Indian School Road, 40th Street and Osborn Road, 48th Street and Indian School Road and 40th St and Grand Canal 1 2 West Central Phoenix Study Area includes: Grand Avenue, North Canal Plume, North Plume and West Osborne Complex 165 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 166 Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 167 Arizona Water Atlas Volume 8 168 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 8.1.8 Cultural Water Demands in the Phoenix AMA Cultural water demand data including population, number of wells and the average well pumpage and non-groundwater use by the municipal, industrial and agricultural sectors are shown in Table 8.1-10. Effluent generation including facility ownership, location, population served and not served, volume treated, disposal method and treatment level is shown in Table 8.1-11. Figure 8.112 shows the location of demand centers. A description of cultural water demand data sources and methods is found in Volume 1, Appendix A. More detailed information on cultural water demands is found in Section 8.0.7. Cultural Water Demands • Refer to Table 8.1-10 and Figure 8.1-12. • Population increased from 1.47 million in 1980 to 3.1 million in 2000 and projections suggest an increase to almost seven million residents by 2030. • Historically, agricultural water use has been the major demand in the Phoenix AMA; however, it has been steadily declining over time. At the same time, municipal and industrial demands are increasing. Average annual municipal demand in 2001-2005 increased by 39% over the previous decade. • During 2001-2005 approximately 46% of the total AMA cultural water demand was municipal and 47% of the total demand was agricultural. • The industrial sector accounted for approximately 7% of the total annual AMA water demand in the same time period. • As of 2005 there were 13,535 registered wells with a pumping capacity of less than or equal to 35 gpm and 10,683 wells with a pumping capacity of more than 35 gpm. Effluent Generation • Refer to Table 8.1-11. • 92 wastewater treatment facilities were identified in this AMA. • The largest treatment facility in the planning area is the 91st Avenue Treatment Plant operated by the City of Phoenix. It serves over 1.2 million people. • There are a wide range of effluent disposal methods in the AMA, with some of the most common being: discharge into an open water-course, golf course irrigation, permitted recharge, industrial reuse and crop irrigation. • More than 324,000 acre-feet of effluent is treated/produced annually. • Palo Verde Nuclear Power Plant reuses approximately 60,000 acre feet of effluent a year. Section 8.1 Phoenix Active Management Area 169 Arizona Water Atlas Volume 8 1 Table 8.1-10 Cultural Water Demand in the Phoenix AMA Year Average Annual Demand (in acre-feet)2 Number of Registered Estimated and Water Supply Wells Drilled 3 Projected Well Pumpage Non-Groundwater Data Population 4 4 Source Q < 35 gpm Q > 35 gpm Municipal Industrial Agricultural Municipal Industrial Agricultural 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1,471,074 1981 1,548,026 1982 1,624,991 1983 1,701,968 1984 1,778,957 1985 1,855,960 1986 1,930,480 1987 2,009,280 1988 2,057,140 1989 2,135,901 1990 2,150,726 1991 2,199,760 1992 2,288,101 1993 2,350,317 1994 2,404,332 1995 2,571,732 1996 2,675,544 1997 2,768,160 1998 2,847,060 1999 2,948,434 2000 3,118,049 2001 3,213,086 2002 3,307,260 2003 3,405,497 2004 3,513,969 2005 3,650,464 2010 4,341,229 2020 5,561,461 2025 6,151,663 6,763,848 2030 WELL TOTALS: 5 4,202 1,785,000 956,000 1,473,000 1,073,000 3,1895 966 335 1,278,000 980,000 1,051 1,336 1,272,521 1,182,600 1,041 2,065 224,500 67,400 514,800 522,500 55,500 ADWR (1994a) 774,500 ADWR (2009) 2,633 2,212 254,800 78,400 519,700 685,400 67,400 745,600 3,642 1,546 295,600 88,800 429,900 742,900 73,600 622,700 13,535 10,683 Notes: Does not include evaporation losses from stockponds and reservoirs or effluent. 2 Includes Indian Demand 3 Non-Groundwater supplies may include surface water, CAP, effluent, spill water or tailings water. 4 Agricultural demand includes use by small exempt irrigation rights. 5 Includes all wells through 1980. 1 170 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-11 Effluent Generation in the Phoenix AMA Facility Name Ownership City/Location Served Population Served Volume Treated/Generated (acrefeet) Disposal Method Water course Evaporation Pond Irrigation Golf Course Wildlife Area Discharged to Another Facility AZ Dept of Corrections Phoenix NA NA AZ /American Water Buckeye & Litchfield 1,629 193 Ameron Pipe WWTF Private Phoenix NA NA NA Anderson Clayton & Company WWTF Private Phoenix NA NA NA Anthem WWTP AZ/American Water Anthem Private Phoenix NA NA Arizona Rendering Arizona Rendering Laveen NA NA City of Glendale Glendale 46,705 3,360 Avondale WWTF City of Avondale Avondale 55,500 4,088 AZ Equest Center WWTF Private Goodyear NA NA Black Canyon Federal Corrections WWTF Federal Bureau of Prisons Black Mountain Sewer Corporation Phoenix NA NA Carefree 2,130 Buckeye ,Town of Buckeye 15,119 BMSC WWTF Buckeye WWTF X 1,423 Arrowhead Ranch WWRF Population Not Served Year of Record X Secondary NA 2007 X Tertiery NA 2007 X NA NA NA X Advanced Treatment II with Nutrient Removal NA 2004 Advanced Treatment I NA 2004 Industrial Reuse Other NA Adobe Mountain School WWTF Agua Fria Wastewater (Verrado & Russell Ranch) Arizona Factory Partnership Current Treatment Level Infiltration Basin X NA X P X NA NA Scottsdale 448 Burger King WWTF Private Phoenix NA NA Canyon Lake Marina Private Marina NA NA Canyon Trails WWTF Private Phoenix NA NA Casa Blanca Gila River Indian Tribe NA 300 34 Casitas Bonitas WWTF American Public Service Glendale NA NA Cave Creek Cave Creek, Town of Cave Creek 3,650 134 Cave Creek WWTP City of Phoenix Phoenix 169,000 1,893 Chandler Heights Chandler Heights SD Chandler 500 NA City of Chandler, Airport Rec. Facility City of Chandler Chandler 90,000 8,401 City of Goodyear 157th Ave WWTF Goodyear, City of Goodyear 15,000 2,800 Corgett WRP Goodyear, City of Goodyear 4,100 448 Desert Gardens I - WWTF Private Glendale NA NA X X NA NA 2008 Secondary 119 2004 NA NA NA Secondary NA 2004 Advanced Treatment I with Nutrient Removal NA 2004 Advanced Treatment I with Nutrient Removal NA 2004 NA NA NA NA 2004 NA 2004 NA 2004 NA X NA X NA X X X X P X P X X Section 8.1 Phoenix Active Management Area P X P X Advanced Treatment II with Nutrient Removal Advanced Treatment I with Nutrient Removal Advanced Treatment I NA 171 Arizona Water Atlas Volume 8 Table 8.1-11 Effluent Generation in the Phoenix AMA Facility Name Ownership City/Location Served Population Served Volume Treated/Generated (acrefeet) Desert Gardens II WWTF Private Glendale NA NA Desert Oasis WWTF Private Surprise NA NA Desert Vista WWTF Pinal County - Desert Vista Sanitary District Pinal 320 22 El Mirage WWTP El Mirage, City of El Mirage 32,000 672 Fort McDowell Casino WWTP Fort McDowell Yavapai Nation Fort McDowell Yavapai Nation NA NA Fountain Hills WWTP Fountain Hills Fountain Hills 21,000 Disposal Method Water course Evaporation Pond Irrigation Gilbert South WWRF Mesa Mesa 136,000 NA Gold Canyon Sewer Co. Apache Junction 6,304 767 Guadalupe Collection System Guadalupe, Town of Guadalupe 5,709 NA Wildlife Area Discharged to Another Facility Infiltration Basin Industrial Reuse Other Current Treatment Level Population Not Served Year of Record Advanced Treatment I NA 2004 NA NA X P X X 2,083 Gold Canyon WWTF Golf Course X Secondary NA 2004 X NA NA NA P Advanced Treatment II with Nutrient Removal NA 2004 P X X NA X X X Secondary NA 2008 NA 234 NA NA Henry's Choice WWTF Private Phoenix NA NA Johnson Ranch Utilities1 Johnson Utilities LLC Queen Creek see Johnson Utilities LLC see Johnson Utilities LLC X X NA NA NA Johnson Utilities LLC1 Johnson Utilities LLC Queen Creek 21,500 3,717 X X X varies with plant NA 2007 Kyrene WW System Tempe, City of Tempe 79,304 4,256 X X P Advanced Treatment II with Nutrient Removal NA 2004 Litchfield Park WWTP Lichfield Park Services Co. Litchfield Park 17,907 3,365 Lockheed Martin WWTF Private Goodyear NA NA Lone Butte WWTF Chandler Public Works Chandler 45,000 6,721 Luke AFB WWTF U.S. Department of Defense (Air Force) Luke AFB NA 330 Lum Basin WRP City of Goodyear Goodyear NA NA Maricopa By Products WWTF Private Phoenix NA NA Meadow Vista WWTF Private NA NA NA Mesa Northwest WWRP City of Mesa Mesa 70,000 11,201 Motorola WWTF NA Chandler NA NA Mountain Pass WWTF Mountain Pass Utility Co. San Tan 18 NA X X 2004 NA NA 2004 X NA NA NA P Advanced Treatment I NA 2004 P NA NA NA NA NA 2008 Secondary 8,500 2004 NA NA NA P Secondary NA 2007 P Advanced Treatment II NA 2004 NA Gilbert 17,000 8,289 X NA NA X Northwest Regional WWTP formerly Sun City West WWTP 1 2 AZ/American Water Sun City West 18,000 2,826 172 NA NA X Phoenix 6,721 2008 NA City of Phoenix 90,000 Advanced Treatment I X Gilbert, Town of Chandler Tertiery NA Neely WWTF City of Chandler X X North Gateway WRP Ocotillo Reclamation Plant X X X X P X Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-11 Effluent Generation in the Phoenix AMA Facility Name Palo Verde Mobile Home Park Ownership Private City/Location Served Population Served Volume Treated/Generated (acrefeet) Tonopah NA NA Paradise Peak West WWTF Private Phoenix NA NA Pecan WRP Johnson Utilities LLC Queen Creek see Johnson Utilities LLC see Johnson Utilities LLC Peoria Beardsley WWTP City of Peoria Peroia 38,755 2,800 Disposal Method Water course Evaporation Pond City of Peoria Peroia 87,340 NA City of Peoria Peoria 310 246 Phoenix 91St Ave WWTP City of Phoenix Phoenix 1,238,000 138,892 X Phoenix 23rd Ave WWTP City of Phoenix Phoenix NA 54,884 X Phoenix Tallow Works WWTF Private Phoenix NA NA Pioneer RV Park Private NA NA NA NA NA 1,676 45 Quintero WWTF Private Perioa NA NA Rainbow Valley Rainbow Valley S.D. Goodyear 700 NA Ranch 160 Private NA NA NA Rio Verde WWTF Rio Verde Utilities Maricopa 1,620 167 Private NA NA NA NA NA X X Tonopah NA NA 1,000 NA see Johnson Utilities LLC NA NA NA NA NA P Advanced Treatment II NA 2004 NA NA 2004 NA 2004 NA 2004 Advanced Treatment I NA 2004 NA NA NA X Advanced Treatment I Advanced Treatment I with Nutrient Removal X X Peoria Gila River Community NA NA Queen Valley Private X Other X Private Gila River Tribe Year of Record X Queen Valley S.D. Sacaton Flats Population Not Served Industrial Reuse X Queen Valley WWTF Ruth Fisher School Current Treatment Level Infiltration Basin X Pleasant Harbor WWTF Roadrunner WWTP Discharged to Another Facility NA Peoria Jomax WWTP Salt River PimaSalt River Pima-Maricopa Maricopa Indian Indian Community Community Wildlife Area X Peoria Twin Buttes WRP Rip Griffin Truck Stop Irrigation Golf Course X NA NA NA Secondary NA 2004 NA NA NA Tertiery NA 2008 X NA NA NA X NA NA NA NA NA NA NA NA NA NA 2004 NA 2004 X NA X NA X X San Tan WRP Johnson Utilities LLC Queen Creek see Johnson Utilities LLC Scottsdale Water Campus City of Scottsdale Scottsdale 100,000 13,441 X X Scottsdale-Gainey Ranch WRF City of Scottsdale Scottsdale 12,000 1,344 X X Section 11 WWTP Johnson Utilities LLC Queen Creek see Johnson Utilities LLC see Johnson Utilities LLC Section 8.1 Phoenix Active Management Area NA P X Advanced Treatment II with Nutrient Removal Advanced Treatment II with Nutrient Removal NA 173 Arizona Water Atlas Volume 8 Table 8.1-11 Effluent Generation in the Phoenix AMA Facility Name Ownership City/Location Served Population Served Volume Treated/Generated (acrefeet) Southeast Mesa WRP City of Mesa Mesa 35,000 8,961 St. John's Mission St. John's Mission Laveen NA NA Sun City WWTP 1 AZ/American Water Sun City 22,000 Sun Lakes WWTP 1 Pima Utilities Sun Lakes 10,050 Disposal Method Water course Evaporation Pond X Wildlife Area Discharged to Another Facility Infiltration Basin Industrial Reuse Other P Current Treatment Level Population Not Served Year of Record Advanced Treatment I NA 2004 NA Tolleson 1,206 X Superior Sanitary Distric Superior 3,319 204 Superstition Mtn WWTF Superstition Mtn Community Superstition 42,560 1,341 Surprise WRF City of Surprise Surprise 35,000 4,256 Taliesen West WWTF Frank Lloyd Wright Foundation Scottsdale NA NA The Links Estates @ Queen Creek Private Queen Creek NA NA Tolleson WWTF City of Tolleson Tolleson 4,970 14,561 Tortilla Flat Campground US Forest Service Tortilla Flat NA NA Tortilla Flat Resort Private Tortilla Flat NA NA Vee Quiva WWTF Gila River Indian Community Gila River Indian Community NA NA X Salt River PimaSalt River Pima-Maricopa Maricopa Indian Indian Community Community NA NA X West Glendale WWTF City of Glendale Glendale 70,000 7,841 Wild Horse Pass Gila River Indian Tribe Gila River Indian Tribe NA NA 2,667,995 324,383 Total Golf Course X Superior WWTF Victory Acres WWTP Irrigation NA X P NA X P X NA 2008 NA 2004 NA 2004 Secondary NA 2004 NA NA NA Advanced Treatment I NA 2004 NA NA NA NA NA NA X NA NA NA P Advanced Treatment I NA 2004 X X Secondary with Nutrient Removal Advanced Treatment I 2007 X NA X X X NA X NA 8,853 Sources: Clean Water Needs Survey (CWNS) 2002 and 2004 Data, Maricopa Association of Government's (MAG's) Section 208 Water Quality Management Plan Update (2002), ADEQ's AZURITE Facility database, ADWR Annual Water Withdrawal and Use Reports (2004) Note: Other category includes vadose zone injection wells permitted under the ADWR Recharge Program 1 Johnson Utilities have 4 plants in the Queen Creek area and 1 in Florence. These numbers are for ALL the facilities Includes wastewater from NE Agua Fria WWTP P=Permitted Underground Recharge Facility WWTF=Wastewater Treatment Facility WWRF=Wastewater Reclamation Facility WWTP=Wastewater Treatment Plant WRP=Water Reclamation Facility 2 174 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 175 Arizona Water Atlas Volume 8 8.1.9 Assured Water Supply Determinations in the Phoenix AMA Assured water supply determination information including the subdivision name, location, number of lots, date of determination, subdivision water provider and Central Arizona Groundwater Replenishment District (CAGRD) membership status are shown in Table 8.1-12A, B and C for certificates, water adequacy reports and analysis of assured water supply. Designated water provider information is shown in Table 8.1-12D with date of application, date the designation was issued and projected or annual estimated demand. Figures 8.1-13A and 8.1-13B show the general locations of subdivisions (to the section level) and designated provider water service areas keyed to the Table. A description of the Assured Water Supply Program is found Section 8.0.5 and in Volume 1, Appendix C. Assured Water Supply determination data sources and methods are found in Volume 1, Appendix A. • • • • • Lot count totals may over estimate actual platted lots due to database accounting, changes in file numbering methodology and subsequent development plan changes. As of February 2008, 1,387 subdivisions with a total of 718,028 lots have been reviewed for an assured water supply determination. 86% of the determinations were in Maricopa County. 237,097 lots in 1,118 subdivisions received a Certificate of Assured Water Supply, 22,010 lots in 208 subdivisions received a Water Adequacy Report (pre-AMA determinations) and 458,921 lots in 61 developments received an Analysis of Assured Water Supply. Of the 1,118 subdivisions with a Certificate of Assured Water Supply, 765 are CAGRD members. There are 15 designated providers with a total projected or estimated annual water use of 950,555 acre-feet. Section 8.1 Phoenix Active Management Area 176 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member 1 Castle Well Owners Maricopa 6 North 3 West 16 7 27-200046 9/22/93 NA N 2 Litchfield Vista Views Maricopa 6 North 3 West 18 83 27-200182 11/1/93 Valley Utilities N 3 Warrick Property Maricopa 6 North 3 West 28 75 27-700392 5/8/08 Circle City Y 4 Circle City #1 Maricopa 6 North 3 West 33 NA 27-200054 8/2/88 NA N Circle City Tract 1 Maricopa 6 North 3 West 33 4 27-200055 3/9/83 Consolidated Water Utility N 5 Circle City Tract I Maricopa 6 North 3 West 33 5 27-200056 7/21/81 Consolidated Water Utility N Circle City Tract I Maricopa 6 North 3 West 33 5 27-200057 7/20/81 Consolidated Water Utility N 6 Lake Pleasant Association Maricopa 6 North 1 East 29 350 27-200174 6/27/86 NA N Anthem - Phase 1.C. (Unit 57 & Unit61) Maricopa 6 North 2 East 10 167 27-401750 6/14/05 Arizona American Water Co Anthem N Arizona American Water Co Anthem N 7 8 Arroyo Vista, Units 4-10 Maricopa 6 North 2 East 10 291 27-402115 11/27/06 Anthem Phase 1E - Freeway Mixed-Use Maricopa 6 North 2 East 22 1,243 27-401173 4/28/04 Arizona American Water Co Anthem N N Anthem Phase 3.a. (Units 73, 75A & 75B) Maricopa 6 North 2 East 27 122 27-401777 8/25/05 Arizona American Water Co Anthem 9 10 Anthem Phase 3.a, Unit 77 Maricopa 6 North 2 East 27 202 27-401882 12/12/05 Arizona American Water Co Anthem N Anthem Phase 2a. MPC III Phase 1/ MPC IV Phase I Maricopa 6 North 2 East; 3 East 13, 23 & 24;18 & 19 1,299 27-400520 1/2/02 Arizona American Water Co Anthem N Anthem Phase 2.B. - MPC IV Phase II / MPC IV Phas Maricopa 6 North 2 East; 3 East 13, 23 & 24;18 & 19 2,024 27-400753 3/11/03 Arizona American Water Co Anthem N N 11 Anthem - Phase 1.b Maricopa 6 North 2 East 13, 14, 15,18, 22, 23 & 24 3,932 27-300572 3/24/99 Arizona American Water Co Anthem 12 Anthem Phase 1.a., fka Villages at Desert Hills -- phase1, The Maricopa 6 North 2 East 13-15, 22 & 23 1,253 27-300387 6/23/98 Arizona American Water Co Anthem N 13 Anthem - Phase 1.a. Maricopa 6 North 2 East 14, 22 & 23 565 27-400008 2/22/97 Arizona American Water Co Anthem N 14 Anthem Phase 1-D Maricopa 6 North 2 East 15 & 22 693 27-400608 1/29/02 Arizona American Water Co Anthem N N N 15 Anthem Phase 3.a (Unit 71) Maricopa 6 North 2 East 22 & 27 73 27-401805 10/5/05 Arizona American Water Co Anthem 18 Cahava Springs Maricopa 6 North 3 East 13 947 27-200015 11/14/89 Cave Creek Water Co Anthem Phase 2.B. - MPC III Phase II/MPC IV Phase II (Units 40 & 42) Maricopa 6 North 3 East 18 135 27-401316 7/21/04 Arizona American Water Co Anthem N 19 Anthem Phase 2.B. - MPC III Phase II / MPC IV Phase II (Unit 44) 27-401426 3/23/05 Arizona American Water Co Anthem N Anthem Phase 2.B Unit 48 Maricopa 6 North 3 East 18 38 27-401578 5/19/05 Arizona American Water Co Anthem N 20 Desert Hills Equestrian Estates Maricopa 6 North 3 East 19 56 27-700368 9/6/07 Arizona American Water Co Anthem N Apache Peak Ranch Maricopa 6 North 3 East 28 28 27-300034 7/26/95 Desert Hills Water Co Y Maricopa 6 North 3 East 18 69 21 Joy Ranch Maricopa 6 North 3 East 28 30 27-300562 7/20/00 Desert Hills Water Co N Desert Hills Estates Maricopa 6 North 3 East 29 158 27-200092 7/13/87 Desert Hills Water Co N N Estates North Maricopa 6 North 3 East 29 24 27-200113 5/17/95 Desert Hills Water Co Estates North Unit II Maricopa 6 North 3 East 29 23 27-300074 6/10/96 Desert Hills Water Co Y Cielo Grande at Desert Hills Maricopa 6 North 3 East 29 73 27-401768 11/21/06 Desert Hills Water Co Y 22 23 Apache Peak III Maricopa 6 North 3 East 33 32 27-400502 4/26/01 Desert Hills Water Co Y 24 Anthem Phase 2A Unit 91and School Site Maricopa 6 North 3 East; 2 East 19;24 14 27-401535 5/3/05 Arizona American Water Co Anthem N 25 Continental Mountain Estates Maricopa 6 North 4 East 14 70 27-200077 10/31/81 Cave Creek Water Co N Arrisona at Rockaway Valley Maricopa 6 North 4 East 16 34 27-200004 4/21/93 Cave Creek Water Co N 26 Hidden Springs Maricopa 6 North 4 East 16 72 27-200142 2/13/95 Cave Creek Water Co N Camino De La Cruz Maricopa 6 North 4 East 16 16 27-300154 7/2/96 Cave Creek Water Co N 27 Cahava Springs Maricopa 6 North 4 East 18 947 27-200016 11/14/89 Cave Creek Water Co N 28 Mesquite Ranch Maricopa 6 North 4 East 21 16 27-400601 1/7/02 Cave Creek Water Co N 29 30 Crossings, The, II Maricopa 6 North 4 East 26 27 27-200083 8/3/95 Cave Creek Water Co N Estates at Carefree Maricopa 6 North 4 East 26 NA 27-200114 2/13/86 Carefree Water Co N Estates at Carefree Maricopa 6 North 4 East 26 28 27-200115 3/31/88 Carefree Water Co N Tranquil Vistas Estates Maricopa 6 North 4 East 26 28 27-200355 4/8/88 Carefree Water Co N Tranquil Place Maricopa 6 North 4 East 26 14 27-300038 11/22/95 Carefree Water Co N Vista Montana Maricopa 6 North 4 East 26 7 27-300050 7/24/96 Cave Creek Water Co N Crossings, IV Maricopa 6 North 4 East 26 12 27-300276 10/16/97 Cave Creek Water Co N Las Lomas Maricopa 6 North 4 East 27 25 27-300018 5/22/95 Cave Creek Water Co N Black Mountain Shadows Maricopa 6 North 4 East 27 41 27-300046 8/28/95 Cave Creek Water Co N Villas at Cave Creek(AKA Las Lomas) Maricopa 6 North 4 East 27 25 27-300126 5/16/96 Cave Creek Water Co N Black Mountain Shadows Maricopa 6 North 4 East 27 41 27-400026 5/12/99 Cave Creek Water Co N Stagecoach Village Maricopa 6 North 4 East 27 70 27-500002 12/1/06 Cave Creek Water Co N 177 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key 30 31 Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member N Sonoran Villas Condominiums Maricopa 6 North 4 East 27 15 27-500053 12/11/06 Cave Creek Water Co Estates At Shimaa-Ni Maricopa 6 North 4 East 27 72 27-700370 11/16/07 Cave Creek Water Co Y Cave Creek Promenade Maricopa 6 North 4 East 27 43 27-700413 11/15/07 Cave Creek Water Co Y Adobe Hill Maricopa 6 North 4 East 28 24 27-200001 Rancho Villas #2 Maricopa 6 North 4 East 28 80 27-200284 5/15/86 2/13/95 Cave Creek Water Co Cave Creek Water Co N N Rancho Villas Unit Two Tract "A" Maricopa 6 North 4 East 28 26 27-300179 12/20/96 Cave Creek Water Co N Rancho Manana Resort, Lots 3 & 5 Maricopa 6 North 4 East 28 50 27-300243 6/24/97 Cave Creek Water Co N 32 Rancho Manana Resort, Lot 2 Maricopa 6 North 4 East 28 56 27-300313 8/25/97 Cave Creek Water Co N 33 Knolls, The Maricopa 6 North 4 East 28 69 27-400181 2/10/00 Cave Creek Water Co N Rancho Tuscana Maricopa 6 North 4 East 28 46 27-401831 9/9/05 Cave Creek Water Co N 34 Cave Creek Resort and Casitas Maricopa 6 North 4 East 28 252 27-402145 7/26/06 Cave Creek Water Co N Rancho Verde Del Rio Maricopa 6 North 4 East 28 12 27-700317 6/9/07 Cave Creek Water Co Y 35 Desert Creek Maricopa 6 North 4 East 29 14 27-300209 6/24/97 Cave Creek Water Co N 36 Highlands at Canyon Ridge Maricopa 6 North 4 East 32 12 27-401339 12/9/04 Cave Creek Water Co N Stagecoach Pass Estates Maricopa 6 North 4 East 33 45 27-401209 4/6/04 Cave Creek Water Co N 37 The Village At Surrey Hills Maricopa 6 North 4 East 33 45 27-401997 3/21/06 Cave Creek Water Co N Hidden Valley Maricopa 6 North 4 East 33 8 27-402269 9/27/06 Cave Creek Water Co N 38 Hidden Canyon Maricopa 6 North 4 East 33 63 27-700421 4/11/08 Cave Creek Water Co Y Hawksnest Maricopa 6 North 4 East 34 20 27-200140 8/15/88 Cave Creek Water Co N N 39 Ridgeview Estates Maricopa 6 North 4 East 34 43 27-200287 2/13/95 Cave Creek Water Co Villa del Sol Maricopa 6 North 4 East 34 12 27-200379 3/10/87 Carefree Water Co N Nighthawk on Black Mountain Maricopa 6 North 4 East 34 9 27-400963 10/8/04 Cave Creek Water Co N Carefree Views Maricopa 6 North 4 East 34 9 27-402212 8/23/06 Cave Creek Water Co N Carefree Desert Condos Maricopa 6 North 4 East 35 25 27-200023 3/24/86 Carefree Water Co N Carefree Desert Condos Maricopa 6 North 4 East 35 25 27-200024 12/22/86 Carefree Water Co N Carefree Palms Maricopa 6 North 4 East 35 12 27-200038 8/3/84 Carefree Water Co N Carefree Village Development Maricopa 6 North 4 East 35 52 27-200040 3/24/86 Carefree Water Co N Colina of Carefree Maricopa 6 North 4 East 35 19 27-200071 9/12/84 Carefree Water Co N Colony at Carefree, The Maricopa 6 North 4 East 35 36 27-200073 3/26/82 Carefree Water Co N Doublegate Condominiums Maricopa 6 North 4 East 35 14 27-200105 10/13/81 Carefree Water Co N Las Vistas Maricopa 6 North 4 East 35 38 27-200179 2/22/82 Carefree Water Co N Vista del Norte Maricopa 6 North 4 East 35 11 27-200389 1/27/83 Carefree Water Co N 40 Montacino Carefree Maricopa 6 North 4 East 35 25 27-400711 8/14/02 Cave Creek Water Co N Clarendon Estates Maricopa 6 North 4 East 35 11 27-401176 4/20/04 Cave Creek Water Co N Happy Hollow Villas Maricopa 6 North 4 East 35 22 27-401641 6/3/05 Carefree Water Co Y Tranquil Trail Estates Maricopa 6 North 4 East 35 11 27-401711 5/25/05 Carefree Water Co Y Granada Villas Maricopa 6 North 4 East 35 24 27-402111 6/20/06 Carefree Water Co Y Carefree Airport Condominiums Maricopa 6 North 4 East 36 100 27-200022 11/13/81 Carefree Water Co N Forest Greens Maricopa 6 North 4 East 36 72 27-200118 12/16/97 Carefree Water Co N Carefree Inn dba Villas At Carefree Inn Maricopa 6 North 4 East 36 24 27-300232 3/6/97 Carefree Water Co N Stagecreek Estates Maricopa 6 North 4 East 36 31 27-402199 12/11/06 Carefree Water Co Y Sun Rock Estates Maricopa 6 North 4 East 36 7 27-500059 12/18/06 Carefree Water Co Y 42 Quarter Circle One Ranch #1,2 Maricopa 6 North 4 East 22 & 27 172 27-200265 12/9/81 Cave Creek Water Co N N 41 43 Quarter Circle One Ranch Maricopa 6 North 4 East 23 & 26 49 27-200264 11/4/82 Cave Creek Water Co 44 Ocotillo Ridge Estates Maricopa 6 North 4 East 23, 24 & 26 38 27-300298 12/15/97 Cave Creek Water Co N 45 Rancho Manana Maricopa 6 North 4 East 28 & 29 107 27-200278 8/6/87 Cave Creek Water Co N Vanier-Carefree Maricopa 6 North 4 East 34 & 35 4 27-200374 8/9/88 Carefree Water Co N N 46 Villa del Sol Maricopa 6 North 4 East 34 & 35 12 27-200378 6/11/82 Carefree Water Co 48 Carefree Hills Maricopa 6 North 5 East 28 52 27-200033 9/22/80 NA N 50 Carefree East #3 Maricopa 6 North 5 East 32 246 27-200028 12/7/82 Carefree Water Co N 51 Desert Mountain Develop. #2 Maricopa 6 North 5 East 16, 20, 21, 28 & 29 NA 27-200096 2/2/88 NA N Section 8.1 Phoenix Active Management Area 178 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member N 52 Lone Mountain Maricopa 6 North 5 East 19, 20 , 29 & 30 47 27-200183 9/2/80 NA 53 Desert Mountain Maricopa 6 North 5 East 20 & 29 NA 27-200094 8/9/88 NA N 54 Carefree East #2 Maricopa 6 North 5 East 28 & 32 184 27-200026 9/15/81 Carefree Water Co N Carefree Heights Estates Maricopa 6 North 5 East 28 & 33 33 27-200032 8/4/95 NA N 55 Carefree Hills Maricopa 6 North 5 East 28 & 33 109 27-200034 7/21/81 NA N Carefree Hills #2 Maricopa 6 North 5 East 28 & 33 NA 27-200035 1/28/81 NA N 56 Desert Mountain #1 Maricopa 6 North 5 East 28, 29, 30, 31 & 32 NA 27-200095 4/7/86 NA N 57 Carefree East #1 Maricopa 6 North 5 East 29 & 32 76 27-200025 9/15/81 Carefree Water Co N 58 Alexandra Pointe Rural Subdivision Maricopa 5 North 2 West 25 10 27-401793 10/4/05 Saguaro Acres Association Y 64 Vida Del Sol Estates Maricopa 5 North 3 West 25 122 27-300223 7/17/97 Beardsley Water Co N Y 65 Trail of Light Maricopa 5 North 3 West 26 50 27-401717 1/12/06 Beardsley Water Co Peak View Ranch Maricopa 5 North 3 West 27 93 27-400733 1/6/03 Beardsley Water Co Y Peak View Ranch Unit 2 & 3 Maricopa 5 North 3 West 27 235 27-401549 10/17/05 Beardsley Water Co Y Patton Place Estates Maricopa 5 North 3 West 29 92 27-400591 12/18/01 Beardsley Water Co Y 66 Patton Place Estates Unit III Maricopa 5 North 3 West 29 30 27-400867 5/7/03 Beardsley Water Co Y Patton Place Estates Unit 4 Maricopa 5 North 3 West 29 45 27-400940 12/31/03 Beardsley Water Co Y 67 Patton Place Estates Unit V Maricopa 5 North 3 West 29 45 27-401041 1/27/04 Beardsley Water Co Y 68 Patton Place Estates Unit 6 Maricopa 5 North 3 West 20 & 29 130 27-401550 3/21/05 Beardsley Water Co Y 69 Whispering Ranch #4 Maricopa 5 North 4 West 4, 7, 30 & 31 93 27-200404 9/26/94 NA N 70 Whispering Ranch #3 Maricopa 5 North 4 West 6, 17, 18, 20, 23 & 31 NA 27-200403 5/15/90 NA N 71 Whispering Ranch #2 Maricopa 5 North 4 West 8, 17, 20 & 29 NA 27-200402 7/17/89 NA N 72 Whispering Ranch Maricopa 5 North 4 West 8, 17, 20, 29, 30 & 31 19 27-300327 7/25/97 NA N 73 Whispering Ranch Maricopa 5 North 4 West 8, 17, 18, 19, 20, 29, 30 & 31 NA 27-200401 4/19/89 NA N 74 Tierra Del Rio Maricopa 5 North 1 East 32 1,972 27-401791 5/2/06 Arizona American Water Co - Agua Fria Y 75 Sierra Vista Unit II Maricopa 5 North 2 East 1 15 27-400276 4/14/00 Cave Creek Water Co N Sierra Vista Unit I Maricopa 5 North 3 East 1 35 27-300564 4/20/98 Cave Creek Water Co N Sierra Vista Unit II Maricopa 5 North 3 East 1 55 27-300565 4/20/99 Cave Creek Water Co N N 76 77 Black Mountain Estates Maricopa 5 North 3 East 4 397 27-200009 3/10/87 Cave Creek Water Co 78 Softwinds Desert View Estates Maricopa 5 North 3 East 6 17 27-400261 8/30/00 Desert Hills Water Co Y Boulders Carefree, The #06 Maricopa 5 North 4 East 2 30 27-200012 11/3/80 Carefree Water Co N 79 Boulders, The #9 Maricopa 5 North 4 East 2 14 27-200013 8/4/95 Carefree Water Co N Black Mountain Foothills Maricopa 5 North 4 East 3 41 27-200010 11/3/80 Carefree Water Co N Boulders Carefree, The #05 Maricopa 5 North 4 East 3 49 27-200011 11/10/80 Carefree Water Co N Carefree Grand View Estates #2 Maricopa 5 North 4 East 3 18 27-200030 9/22/95 Carefree Water Co N Carefree Grande View Ests #1,2 Maricopa 5 North 4 East 3 40 27-200031 11/3/80 Carefree Water Co N Carefree Foothills Maricopa 5 North 4 East 4 76 27-200029 7/22/95 Cave Creek Water Co N 80 Carefree Mountain Estates #1 Maricopa 5 North 4 East 4 47 27-200036 2/11/93 Cave Creek Water Co N Carefree Mountain Estates #2 Maricopa 5 North 4 East 4 25 27-200037 3/10/94 Cave Creek Water Co N N Carefree Sentinel Rock Estates Maricopa 5 North 4 East 4 137 27-200039 9/23/81 Cave Creek Water Co Lost Acres Estates Maricopa 5 North 4 East 4 15 27-200187 12/16/93 Cave Creek Water Co N Summit, The/Carefree Maricopa 5 North 4 East 4 7 27-300089 1/3/97 Cave Creek Water Co N 81 Los Gemelos Maricopa 5 North 4 East 4 18 27-300092 5/1/96 Cave Creek Water Co N Los Reales at Carefree Maricopa 5 North 4 East 4 18 27-300184 9/24/96 Cave Creek Water Co N Canyon Crossings Maricopa 5 North 4 East 4 13 27-400093 12/1/99 Cave Creek Water Co N Carefree Ironwood Estates Maricopa 5 North 4 East 4 25 27-400464 2/12/01 Cave Creek Water Co N Desert Enclave Maricopa 5 North 4 East 5 11 27-300250 6/24/97 Cave Creek Water Co N Cave Creek South Forty Maricopa 5 North 4 East 5 15 27-400069 6/29/99 Cave Creek Water Co N 82 Estado De Cholla Maricopa 5 North 4 East 6 83 27-300467 5/18/99 Cave Creek Water Co N Las Ventanas Maricopa 5 North 4 East 6 25 27-400304 3/27/02 Cave Creek Water Co N 86 Desert Foothills Acres Maricopa 5 North 4 East 21 54 27-200091 10/26/81 NA N 87 Eagle Ranch Estates Maricopa 5 North 4 East 23 122 27-200110 10/3/80 NA N 83 179 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member N 87 Lone Mountain Vista #1 Maricopa 5 North 4 East 23 160 27-200184 10/13/83 NA 88 Vista Norte Maricopa 5 North 4 East 28 65 27-200386 5/11/81 NA N Canyon Ridge Estates Maricopa 5 North 4 East 4&5 107 27-300408 3/10/98 Cave Creek Water Co N Black Mountain Estates at Carefree Maricopa 5 North 4 East 4&5 22 27-402081 3/19/07 Cave Creek Water Co N Canyon Creek Estates Maricopa 5 North 5 East 4 23 27-300444 5/29/98 Cave Creek Water Co N Desert Ranch Maricopa 5 North 5 East 5, 6, 7 & 8 NA 27-200097 5/28/82 NA N Desert Ranch Maricopa 5 North 5 East 5, 6, 7 & 8 NA 27-200098 10/25/84 NA N Desert Ranch Maricopa 5 North 5 East 5, 6, 7 & 8 606 27-200099 5/8/87 NA N 1,097 89 90 91 Desert Ranch Maricopa 5 North 5 East 5, 6, 7 & 8 Desert Ranch #1 Maricopa 5 North 5 East 5, 6, 7 & 8 27-200100 6/23/88 NA N 27-200101 1/10/84 NA N N 93 Granite Mountain Ranch Maricopa 5 North 6 East 19 100 27-400070 3/23/00 NA 94 Vista Verde Unit One Maricopa 5 North 6 East 25 & 36 185 27-401799 11/15/05 Rio Verde utilities Y 95 Rio Mountain Estates Maricopa 5 North 6 East 29 109 27-400347 10/10/01 NA Y 97 Tonto Verde #4 Maricopa 5 North 6 East; 7 East 36; 31 82 27-300151 8/14/96 Rio Verde utilities Y Tonto Verde #5 Maricopa 5 North 7 East 31 42 27-300324 9/10/97 Rio Verde utilities Y Tonto Verde #6 Maricopa 5 North 7 East 31 62 27-300473 8/27/98 Rio Verde utilities Y Tonto Verde #7 Maricopa 5 North 7 East 31 157 27-400016 6/10/99 Rio Verde utilities Y Tonto Verde #8 Maricopa 5 North 7 East 31 63 27-400184 1/19/00 Rio Verde utilities Y 98 99 Tonto Verde Unit Nine Maricopa 5 North 7 East 31 96 27-400364 8/29/00 Rio Verde utilities Y Tonto Verde Unit Nine & Tonto Verde Unit Ten Maricopa 5 North 7 East 31 76 27-400851 5/15/03 Rio Verde utilities Y Coldwater Ranch Maricopa 4 North 1 West 1 599 27-401470 12/1/04 Arizona American Water Co - Agua Fria Y Rancho Cabrillo Parcels A, B, D, & F Maricopa 4 North 1 West 3 708 27-400922 8/18/04 Arizona American Water Co - Agua Fria Y Y 100 Rancho Cabrillo Parcel E Maricopa 4 North 1 West 3 156 27-401797 12/5/05 Arizona American Water Co - Agua Fria 101 Dos Rios Unit One and Unit Two Maricopa 4 North 1 West 12 432 27-401301 10/13/04 Arizona American Water Co - Agua Fria Y 102 Crossriver Units 1-8 Maricopa 4 North 1 West 13 699 27-401268 7/22/04 Arizona American Water Co - Agua Fria Y 103 Rancho Silverado Units 1 and 2 Maricopa 4 North 1 West 13 & 14 260 27-401272 7/22/04 Arizona American Water Co - Agua Fria Y Arizona American Water Co - Agua Fria Y 104 Rio Sierra Maricopa 4 North 1 West 13 & 24 280 27-401271 7/21/04 105 Unit J - La Quinta at Corte Bella Country Club Maricopa 4 North 1 West 14 78 27-401729 6/3/05 Arizona American Water Co - Agua Fria Y Y 105 Sundero Maricopa 4 North 1 West 14 68 27-401742 8/4/05 Arizona American Water Co - Agua Fria 106 Phase 1 Pleasant Valley Country Club Maricopa 4 North 1 West 14 & 15 615 27-400793 1/24/03 Arizona American Water Co - Agua Fria Y 107 Sun City West #51 Maricopa 4 North 1 West 15 459 27-200321 2/8/93 Arizona American Water Co - Sun City West N 108 Phase 2, Corte Bella Country Club Maricopa 4 North 1 West 14 & 15 876 27-401005 2/2/04 Arizona American Water Co - Agua Fria Y 109 Corte Bella Country Club, Phase 3 Maricopa 4 North 1 West 15 299 27-401723 6/16/05 Arizona American Water Co - Agua Fria Y Sun City West Units 55A,57,58,59 Maricopa 4 North 1 West 17 1,080 27-200324 9/16/94 Arizona American Water Co - Sun City West N Fitzpatrick Ranch Unit I Maricopa 4 North 1 West 17 15 27-401683 6/3/05 Arizona American Water Co - Sun City West Y Fitzpatrick Ranch Unit II Maricopa 4 North 1 West 17 15 27-401880 11/29/05 Arizona American Water Co - Sun City West Y Y N 111 Fitzpatrick Ranch Unit III Maricopa 4 North 1 West 17 15 27-402142 8/28/06 Arizona American Water Co - Sun City West Del Webb Grand Ave Prop - Area 2 Maricopa 4 North 1 West 19 2,742 27-200088 5/30/95 Arizona American Water Co - Agua Fria Del Webb's Sun City Grand Desert Sage II Maricopa 4 North 1 West 19 313 27-300442 9/25/98 Arizona American Water Co - Agua Fria 112 113 Del Webb Grand Ave Prop - Area 1 Maricopa 4 North 1 West 19, 20, 28-32 5,833 27-200086 5/30/95 Arizona American Water Co - Agua Fria N 114 Park Place Maricopa 4 North 1 West 28 5 27-200217 9/21/93 Arizona American Water Co - Sun City N 115 The Village at Sun City Grand Condominium, Phases Maricopa 4 North 1 West 29 252 27-400992 9/24/03 Arizona American Water Co - Agua Fria Y 116 Del Webb's Sun City Grand Ironwood/Pk Pl 3/2/01 Arizona American Water Co - Agua Fria N N 117 118 119 Maricopa 4 North 1 West 20 & 29 317 27-400329 Kingswood Park #1 Maricopa 4 North 1 West 31 & 32 2,268 27-200150 10/29/87 NA Kingswood Parke #1 Parcel 18, 19 Maricopa 4 North 1 West 32 128 27-200152 11/25/94 Arizona American Water Co - Agua Fria N Kingswood Park Parcel 01-05, 07 Maricopa 4 North 1 West 32 541 27-300029 7/27/95 Arizona American Water Co - Agua Fria N Kingswood Parke Parcels 15,17,18,19 & A Maricopa Portion Of 16 4 North 1 West 32 233 27-300030 7/26/95 Arizona American Water Co - Agua Fria N N Kingswood Parke #1 Parcels 8-11,12A,13 Maricopa 4 North 1 West 32 394 27-300104 6/21/96 Arizona American Water Co - Agua Fria Sun Village Maricopa 4 North 1 West 33 3,054 27-200330 2/15/89 NA N Sun Village #1 Maricopa 4 North 1 West 33 NA 27-200331 7/8/86 NA N Parke Row Maricopa 4 North 1 West 33 85 27-300251 11/20/97 Arizona American Water Co - Agua Fria N Section 8.1 Phoenix Active Management Area 180 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County No. of Lots Township Range ADWR File No. Date of Determination Section Water Provider at the Time of Application GRD Member Litchfield Subdivision Maricopa 4 North 1 West 33 142 27-300291 6/5/98 Arizona American Water Co - Agua Fria Y Park Place Condominium Maricopa 4 North 1 West 33 258 27-401557 3/14/05 Arizona American Water Co - Agua Fria Y Bellazano Maricopa 4 North 1 West 33 444 27-500042 3/20/07 Arizona American Water Co - Agua Fria Y N Y 119 Sun City West Units 53-56 Maricopa 4 North 1 West 33 1,116 27-200323 12/29/93 Arizona American Water Co - Sun City West 120 Pinnacle West Ranch/Citrus West Maricopa 4 North 2 West 10 54 27-300015 5/16/97 Beardsley Water Co 121 Rio Rancho Estates North parcels 1, 2 & 5, South, Parcel 6 Maricopa 4 North 2 West 3 & 10 618 27-401762 5/8/08 Beardsley Water Co Y 122 Harold Yingling Maricopa 4 North 2 West 14 8 27-200139 5/6/92 NA N 124 Austin Ranch West Parcels, 1-6 Maricopa 4 North 2 West 15 1,198 27-402121 6/13/07 Beardsley Water Co Y 125 Del Webb Grand Ave Prop - Area 2 Maricopa 4 North 2 West 23, 24, 25, 26 & 36 NA 27-200089 5/30/95 Arizona American Water Co - Agua Fria N 126 Del Webb Grand Ave Prop - Area 1 Maricopa 4 North 2 West 24, 25 & 36 NA 27-200087 5/30/85 Arizona American Water Co - Agua Fria N 127 Desert Mesa II Maricopa 4 North 2 West 25 17 27-400498 10/9/01 Arizona American Water Co - Agua Fria N Del Webb's Sun City Grand, Phase IV Unit 106 Maricopa 4 North 2 West 25 50 27-400530 11/29/01 Arizona American Water Co - Agua Fria N Del Webb's Sun City Grand, Phase IV, Unit 104 Maricopa 4 North 2 West 25 35 27-400550 11/29/01 Arizona American Water Co - Agua Fria N Del Webb's Sun City Grand, Phase IV, Unit 107 Maricopa 4 North 2 West 26 & 27 412 27-400546 11/29/01 Arizona American Water Co - Agua Fria N Y Y 128 129 130 Arizona Traditions I Maricopa 4 North 2 West 34 26 27-300100 6/6/96 Arizona American Water Co - Agua Fria Arizona Traditions II & III Maricopa 4 North 2 West 34 106 27-300101 6/6/96 Arizona American Water Co - Agua Fria Arizona Traditions IV - VII Maricopa 4 North 2 West 34 398 27-300177 4/25/97 Arizona American Water Co - Agua Fria Y Arizona American Water Co - Agua Fria Y Arizona Traditions North Parcel XVI Maricopa 4 North 2 West 34 129 27-400641 6/10/02 Arizona Traditions North Parcel XV Maricopa 4 North 2 West 34 244 27-400764 1/6/03 Arizona American Water Co - Agua Fria Y Y Bell Pointe 1 Maricopa 4 North 2 West 34 405 27-400939 9/17/03 Arizona American Water Co - Agua Fria Arizona Traditions North Parcel XIV Maricopa 4 North 2 West 34 240 27-401177 2/25/04 Arizona American Water Co - Agua Fria Y Happy Trails Resort Maricopa 4 North 2 West 35 NA 27-200137 1/18/85 Arizona American Water Co - Sun City N Happy Trails Resorts #2 Maricopa 4 North 2 West 35 57 27-200138 1/31/89 NA N Arizona Traditions VIII-X Maricopa 4 North 2 West 35 263 27-300402 1/27/98 Arizona American Water Co - Agua Fria Y Arizona Traditions Parcel XI Maricopa 4 North 2 West 35 108 27-300529 1/25/99 Arizona American Water Co - Agua Fria Y Arizona Traditions XII & XIII Maricopa 4 North 2 West 35 267 27-400282 9/11/00 Arizona American Water Co - Agua Fria Y Arizona American Water Co - Agua Fria Y N 131 Arizona Traditions North Parcel XIII Maricopa 4 North 2 West 35 128 27-400544 12/7/01 132 Kingswood Park #1 Maricopa 4 North 2 West 36 2,268 27-200151 10/29/87 NA 133 Bell West Ranch Maricopa 4 North 2 West 36 1,068 27-300537 2/5/99 Arizona American Water Co - Agua Fria Y 136 Sun City Festival, Phase 1 Maricopa 4 North 4 West 13, 22, 23, 24, 25 & 26 3,473 27-401140 11/23/04 Town of Buckeye Y 137 Festival Foothills Maricopa 4 North 4 West 24 & 25 819 27-401959 5/9/06 Town of Buckeye Y Pleasant View Estates Maricopa 4 North 1 East 9 38 27-200235 1/12/95 Sunrise Water Co N Sunrise #5 Maricopa 4 North 1 East 9 NA 27-200334 3/7/84 Sunrise Water Co N Sunrise #5, Phase II Maricopa 4 North 1 East 9 40 27-200335 11/28/88 Sunrise Water Co N Sunrise #6 & #7 Maricopa 4 North 1 East 9 59 27-200336 2/3/95 Sunrise Water Co N Treasure Canyon Maricopa 4 North 1 East 9 60 27-200356 12/12/94 Sunrise Water Co N 139 140 141 Treasure Canyon II Maricopa 4 North 1 East 9 23 27-300201 2/10/97 Sunrise Water Co N Camino De Oro Ranch Maricopa 4 North 1 East 9 24 27-400522 11/29/01 Sunrise Water Co N Melton Ranch II Maricopa 4 North 1 East 9 31 27-401412 1/21/05 Sunrise Water Co Y La Caille Maricopa 4 North 1 East 10 12 27-200159 6/3/95 Sunrise Water Co N Summit at Sunrise Mountain Maricopa 4 North 1 East 10 16 27-300541 12/28/98 Sunrise Water Co Y Ventana Picachos Maricopa 4 North 1 East 10 52 27-401590 1/11/06 Sunrise Water Co Y Calle Lejos Estates Maricopa 4 North 1 East 11 56 27-200017 9/8/94 Sunrise Water Co N Eagle Canyon Maricopa 4 North 1 East 11 71 27-300231 4/7/98 Sunrise Water Co N Calle Lejos Estates Maricopa 4 North 1 East 11 56 27-300265 3/21/97 Sunrise Water Co N Silver Crest at Treasure Canyon Maricopa 4 North 1 East 11 59 27-300492 4/27/00 Sunrise Water Co N Clearview Estates Maricopa 4 North 1 East 11 55 27-300554 2/18/99 Sunrise Water Co Y Eagle Canyon Maricopa 4 North 1 East 11 71 27-300555 3/18/99 Sunrise Water Co Y Silver Crest at Treasure Canyon Maricopa 4 North 1 East 11 59 27-400264 6/10/98 Sunrise Water Co N Starlight Canyon Maricopa 4 North 1 East 11 18 27-400611 6/25/02 Sunrise Water Co Y Silver Canyon Ranch Unit I and Unit II Maricopa 4 North 1 East 11 47 27-401757 6/26/06 Sunrise Water Co Y 181 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County No. of Lots Township 141 Range ADWR File No. Date of Determination Section Water Provider at the Time of Application GRD Member Eagle Ridge Estates Maricopa 4 North 1 East 11 6 27-401974 3/15/06 Sunrise Water Co Y Mountain Ridge Views Maricopa 4 North 1 East 11 9 27-402091 6/14/07 Sunrise Water Co Y Caballos Del Rio Maricopa 4 North 1 East 11 38 27-700371 1/8/08 Sunrise Water Co Y Patrick Acres Maricopa 4 North 1 East 14 9 27-200220 5/18/94 Sunrise Water Co N Pinnacle Ranch Maricopa 4 North 1 East 14 48 27-200234 12/12/94 Sunrise Water Co N N 142 143 144 Sunrise #8 Maricopa 4 North 1 East 14 60 27-200337 5/11/95 Sunrise Water Co Campanos Estates Maricopa 4 North 1 East 14 16 27-402252 10/17/06 Sunrise Water Co Y Citrus Garden Estates Maricopa 4 North 1 East 15 48 27-200058 3/10/87 Rose Valley Water Co N Starlight Estates III Maricopa 4 North 1 East 15 16 27-200317 5/8/95 Sunrise Water Co N Starlight Estates, Inc. Maricopa 4 North 1 East 15 19 27-200318 7/17/84 Sunrise Water Co N Salida Del Sol Maricopa 4 North 1 East 15 26 27-300504 12/7/98 Sunrise Water Co Y Salida Del Sol Maricopa 4 North 1 East 15 26 27-400045 12/7/98 Sunrise Water Co N Cantera Gates Maricopa 4 North 1 East 15 9 27-400130 1/5/00 Rose Valley Water Co Y Hunter Field Estates Maricopa 4 North 1 East 15 22 27-400241 10/18/00 Rose Valley Water Co Y N N Sun City West #52 Maricopa 4 North 1 East 16 622 27-200322 8/17/93 Arizona American Water Co - Sun City Unnamed property, Maricopa Co.,91st/DVR Maricopa 4 North 1 East 21 424 27-200366 6/20/95 Rose Valley Water Co Dove Valley Ranch, Parcel 3 Maricopa 4 North 1 East 21 638 27-300188 1/3/97 Rose Valley Water Co Y Dove Valley Ranch, Parcel 5 Maricopa 4 North 1 East 21 148 27-300219 6/24/97 Rose Valley Water Co Y 145 Dove Valley Ranch, Parcel 2E Maricopa 4 North 1 East 21 79 27-300595 2/22/99 Rose Valley Water Co N Dove Valley Ranch, Parcels 3B, 3C, 3F Maricopa 4 North 1 East 21 294 27-400035 5/12/99 Rose Valley Water Co N N Peoria Mountain Vistas Maricopa 4 North 1 East 21 148 27-400059 4/12/99 Rose Valley Water Co Deer Village Maricopa 4 North 1 East 22 387 27-300061 2/14/97 Rose Valley Water Co Y Dove Valley Ranch, Parcel 6 Maricopa 4 North 1 East 22 257 27-300172 2/10/97 Rose Valley Water Co Y Silverton, Parcels 1, 2 & 3 Maricopa 4 North 1 East 22 179 27-300186 12/20/96 New River Utility Co Y Deer Village II Parcels 4A and 4B Maricopa 4 North 1 East 22 148 27-300189 4/17/97 Rose Valley Water Co Y Sunrise at Desert Mountain Maricopa 4 North 1 East 22 99 27-300193 4/8/97 New River Utility Co Y Silverton Unit II Maricopa 4 North 1 East 22 162 27-400032 6/16/99 New River Utility Co Y 146 147 Riverstone Estates Maricopa 4 North 1 East 23 101 27-401624 4/11/05 New River Utility Co Y 148 New River Commerce Park Maricopa 4 North 1 East 26 13 27-400076 1/5/00 New River Utility Co Y 148 Fletcher Heights Parcel 21 Maricopa 4 North 1 East 26 110 27-400652 6/20/02 New River Utility Co Y Canyon Ridge West Maricopa 4 North 1 East 31 367 27-300530 6/22/99 Arizona American Water Co - Sun City Y Canyon Ridge West Parcel 5 Maricopa 4 North 1 East 31 152 27-401138 4/1/04 Arizona American Water Co - Agua Fria Y 149 The Village at Canyon Ridge West Maricopa 4 North 1 East 31 185 27-401599 7/18/05 Arizona American Water Co - Agua Fria Y Stonebrook Maricopa 4 North 1 East 33 164 27-200320 2/7/94 Arizona American Water Co - Agua Fria N 151 Riverwalk Maricopa 4 North 1 East 11 & 14 51 27-700327 7/9/07 Sunrise Water Co Y 152 Fletcher Heights, Phase I,II,III:A&B Maricopa 4 North 1 East 14, 22 & 23 2,986 27-300237 5/1/97 New River Utility Co N N 150 154 Westbrook Village Maricopa 4 North 1 East 27 & 28 214 27-200399 11/10/82 City of Peoria 161 Anthem-Phase 1.c. (Jacka) Maricopa 4 North 2 East 10, 14 & 15 1,294 27-400301 11/21/00 Arizona American Water Co Anthem N 163 Quail Creek Maricopa 4 North 4 East 1 3,000 27-200261 6/10/82 NA N 164 Pinnacle Peak Courts Maricopa 4 North 4 East 11 243 27-200230 7/21/81 NA N La Vida Maricopa 4 North 4 East 13 62 27-200163 8/14/80 NA N La Vida #2 Maricopa 4 North 4 East 13 83 27-200164 7/20/81 NA N Pinnacle Peak Greens Maricopa 4 North 4 East 14 305 27-200231 7/21/81 NA N Pinnacle Peak Heights #5 Maricopa 4 North 5 East 17 47 27-200232 6/8/81 NA N Pinnacle Peak Heights #6 Maricopa 4 North 5 East 17 15 27-200233 6/8/81 NA N 170 Highlands at Pinnacle Peak,The Maricopa 4 North 5 East 5&6 826 27-200143 6/5/81 NA N 171 Verde Village Maricopa 4 North 7 East 6 19 27-400106 6/29/99 Rio Verde utilities Y 165 166 168 172 Rio Verde Estates Maricopa 4 North 7 East 7 30 27-300399 4/20/98 Rio Verde utilities Y 174 Sun Ridge (The Cliffs-The Sprg Maricopa 3 North 1 West 1 360 27-200328 8/18/92 City of El Mirage N Cottonwood Estates #1 Maricopa 3 North 1 West 2 12 27-200080 10/3/95 City of El Mirage N Hidden Royal Acres Maricopa 3 North 1 West 2 48 27-200141 3/13/85 City of El Mirage N 175 Section 8.1 Phoenix Active Management Area 182 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Fox Hill Run Maricopa 3 North 1 West 2 100 27-300103 5/1/96 City of El Mirage N Sunrize at Surprise Maricopa 3 North 1 West 2 16 27-300235 1/7/97 City of El Mirage N Villages at West Point Maricopa 3 North 1 West 3 427 27-300202 12/16/96 Arizona American Water Co - Agua Fria N N 175 Villages at West Point Maricopa 3 North 1 West 3 427 27-300203 3/6/97 Arizona American Water Co - Agua Fria Homes by Dave Brown at West Point Maricopa 3 North 1 West 3 491 27-300204 12/16/96 Arizona American Water Co - Agua Fria Y Dave Brown at West Point Maricopa 3 North 1 West 3 491 27-300205 3/6/97 Arizona American Water Co - Agua Fria N Dave Brown at West Point-Model Complex Maricopa 3 North 1 West 3 17 27-300207 12/16/96 Arizona American Water Co - Agua Fria N 176 177 Kaufman & Broad at West Point Maricopa 3 North 1 West 3 180 27-300227 3/7/97 Arizona American Water Co - Agua Fria Y Ryland Homes at West Point & Ryland Home Maricopa 3 North 1 West 3 226 27-300228 11/15/96 Arizona American Water Co - Agua Fria N U.S. Home @ West Point Towne Center Maricopa 3 North 1 West 3 281 27-300356 12/15/97 Arizona American Water Co - Agua Fria Y Mountain Vista Ranch Parcel 10 Maricopa 3 North 1 West 6 177 27-200409 6/6/96 NA N Mountain Vista Ranch Parcels 7 & 8 Maricopa 3 North 1 West 6 355 27-200410 9/12/96 NA N Mountain Vista Ranch Parcel 06 Maricopa 3 North 1 West 6 266 27-300137 6/6/96 NA N Greenway Parc Phase I and II Maricopa 3 North 1 West 7 565 27-300582 4/26/99 Arizona American Water Co - Agua Fria Y N N Greenway Parc at Surprise Three Maricopa 3 North 1 West 7 78 27-400058 7/16/99 Arizona American Water Co - Agua Fria Legacy Parc Maricopa 3 North 1 West 7 1,031 27-400079 12/1/99 Arizona American Water Co - Agua Fria Tash Property Maricopa 3 North 1 West 7 251 27-400404 11/29/01 Arizona American Water Co - Agua Fria Y Fifth (5th) Avenue Subdivision Maricopa 3 North 1 West 11 30 27-300125 5/28/96 City of El Mirage N 178 179 180 181 Montana Blanca Estates Maricopa 3 North 1 West 13 153 27-300187 11/16/98 City of El Mirage N Pueblo Futuro Subdivision Maricopa 3 North 1 West 13 119 27-300270 7/2/97 City of El Mirage N Arizona Brisas - Phase One Maricopa 3 North 1 West 13 454 27-300491 12/16/98 City of El Mirage N Arizona Brisas - Phase Two Maricopa 3 North 1 West 13 211 27-300495 12/16/98 City of El Mirage N Arizona Brisas - Phase Three Maricopa 3 North 1 West 13 275 27-300496 12/16/98 City of El Mirage N Sundial Units I and II Maricopa 3 North 1 West 13 1,018 27-400012 5/12/99 City of El Mirage N Greer Ranch South Maricopa 3 North 1 West 19 677 27-400980 1/27/04 Arizona American Water Co - Agua Fria Y Y 182 Greer Ranch North Maricopa 3 North 1 West 19 878 27-401394 12/9/04 Arizona American Water Co - Agua Fria 183 Desert Mirage Acres Maricopa 3 North 1 West 23 10 27-300109 7/10/96 City of El Mirage N 184 Pueblo El Mirage R.V. Resort Maricopa 3 North 1 West 24 2,135 27-200258 1/8/85 City of El Mirage N 185 Agua Fria Ranch Maricopa 3 North 1 West 25 783 27-400795 12/16/02 Arizona American Water Co - Agua Fria Y Twelve Oaks Estates Maricopa 3 North 1 West 30 130 27-401040 1/27/04 Arizona American Water Co - Agua Fria Y Twelve Oaks Estates II Maricopa 3 North 1 West 30 164 27-402233 12/5/06 Arizona American Water Co - Agua Fria Y Woolf Crossing Maricopa 3 North 1 West 31 656 27-402089 10/16/06 Arizona American Water Co - Agua Fria Y Northwest Ranch Maricopa 3 North 2 West 1 957 27-300535 3/31/99 Arizona American Water Co - Agua Fria Y Surprise Farms - 1A South Maricopa 3 North 2 West 1 605 27-400269 8/10/00 Arizona American Water Co - Agua Fria Y Surprise Farms - 1B North Maricopa 3 North 2 West 2 435 27-400270 8/10/00 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 3, Parcel 6 Maricopa 3 North 2 West 2 118 27-401391 10/5/04 Arizona American Water Co - Agua Fria Y Y 186 188 190 Surprise Farms Phase 2, Parcel 4 Maricopa 3 North 2 West 2 134 27-401405 10/5/04 Arizona American Water Co - Agua Fria Surprise Farms Phase 2, Parcel 6 Maricopa 3 North 2 West 2 138 27-401406 10/5/04 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 2, Parcel 5 Maricopa 3 North 2 West 2 110 27-401407 10/29/04 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 2, Parcel 2 Maricopa 3 North 2 West 2 129 27-401408 10/5/04 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 2, Parcel 3 Maricopa 3 North 2 West 2 103 27-401409 10/29/04 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 2 Parcel 1 Maricopa 3 North 2 West 2 110 27-401410 11/17/04 Arizona American Water Co - Agua Fria Y Surprise Farms - 1B South Maricopa 3 North 2 West 3 636 27-400268 8/10/00 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 3 Parcel 1 Maricopa 3 North 2 West 3 155 27-401386 10/14/04 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 3 - Parcel 2 Maricopa 3 North 2 West 3 92 27-401387 10/5/04 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 3 - Parcel 3 Maricopa 3 North 2 West 3 73 27-401388 10/14/04 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 3 - Parcel 4 Maricopa 3 North 2 West 3 134 27-401389 10/14/04 Arizona American Water Co - Agua Fria Y Y 191 192 Surprise Farms Phase 4 - Parcel 6 Maricopa 3 North 2 West 3 81 27-401566 1/19/05 Arizona American Water Co - Agua Fria Surprise Farms Phase 4 - Parcel 5 Maricopa 3 North 2 West 3 82 27-401567 1/19/05 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 4 - Parcel 4 Maricopa 3 North 2 West 3 119 27-401568 1/19/05 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 4 - Parcel 3 Maricopa 3 North 2 West 3 86 27-401569 1/19/05 Arizona American Water Co - Agua Fria Y 183 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key 192 Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Surprise Farms Phase 4 - Parcel 2 Maricopa 3 North 2 West 3 76 27-401570 1/19/05 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 4 - Parcel 1 Maricopa 3 North 2 West 3 77 27-401571 1/19/05 Arizona American Water Co - Agua Fria Y Surprise Farms Phase 5 Maricopa 3 North 2 West 3 419 27-402150 7/26/06 Arizona American Water Co - Agua Fria Y Y Sierra Montana Parcel 7 Maricopa 3 North 2 West 11 140 27-401604 2/14/05 Arizona American Water Co - Agua Fria Sierra Montana Parcels 12 & 14 Maricopa 3 North 2 West 11 356 27-401124 12/26/03 Arizona American Water Co - Agua Fria Y Sarah Ann Ranch Maricopa 3 North 2 West 14 960 27-401205 7/29/04 Arizona American Water Co - Agua Fria Y Sycamore Farms Parcel 13 Maricopa 3 North 2 West 24 250 27-401521 5/3/05 Arizona American Water Co - Agua Fria Y Y 193 194 195 196 197 Sycamore Farms Parcel 11 Maricopa 3 North 2 West 24 168 27-700217 8/24/07 Arizona American Water Co - Agua Fria Zanjero Pass Parcels 1-3, Phases 2-4 & Parcel 4, Phase 1 Maricopa 3 North 2 West 26 187 27-401932 3/8/06 Arizona American Water Co - Agua Fria Y Ramola of Arizona Grapefruit Maricopa 3 North 2 West 27 300 27-200273 8/19/83 Arizona American Water Co - Agua Fria N Cortessa Parcel 1 Maricopa 3 North 2 West 27 109 27-401321 1/5/05 Arizona American Water Co - Agua Fria Y Cortessa Parcel 2 Maricopa 3 North 2 West 27 126 27-401322 1/5/05 Arizona American Water Co - Agua Fria Y Cortessa Parcel 3 Maricopa 3 North 2 West 27 113 27-401323 1/5/05 Arizona American Water Co - Agua Fria Y Cortessa Parcel 4 Maricopa 3 North 2 West 27 99 27-401324 1/5/05 Arizona American Water Co - Agua Fria Y Y Y Cortessa Parcels 5, 6, 9, 12, 13, 14 & 15 Maricopa 3 North 2 West 27 785 27-401325 1/5/05 Arizona American Water Co - Agua Fria Cortessa Parcel 7 Maricopa 3 North 2 West 27 101 27-401326 1/5/05 Arizona American Water Co - Agua Fria Cortessa Parcel 10 Maricopa 3 North 2 West 27 78 27-401328 1/5/05 Arizona American Water Co - Agua Fria Y Arizona American Water Co - Agua Fria Y Cortessa Parcel 18 Maricopa 3 North 2 West 27 29 27-401332 1/5/05 Cortessa Parcel 8 Maricopa 3 North 2 West 27 113 27-401327 1/5/05 Arizona American Water Co - Agua Fria Y Y Cortessa Parcel 11 Maricopa 3 North 2 West 27 131 27-401329 1/5/05 Arizona American Water Co - Agua Fria Cortessa Parcel 16 Maricopa 3 North 2 West 27 36 27-401330 1/5/05 Arizona American Water Co - Agua Fria Y Cortessa Parcel 17 Maricopa 3 North 2 West 27 12 27-401331 1/5/05 Arizona American Water Co - Agua Fria Y 199 200 Sonoran Ridge Estates Unit 1 Maricopa 3 North 2 West 33 33 27-400327 9/7/00 Water Utility of Greater Buckeye Y Sonoran Ridge Estates Unit 2 Maricopa 3 North 2 West 33 36 27-400506 9/21/01 Water Utility of Greater Buckeye Y Sonoran Ridge Estates Unit 3 Maricopa 3 North 2 West 33 96 27-400731 12/16/02 Water Utility of Greater Buckeye Y Y N 201 White Tank Foothills Maricopa 3 North 2 West 34 1,286 27-401563 5/9/05 Arizona American Water Co - Agua Fria 202 Crystal Springs Estates Unit I Maricopa 3 North 2 West 35 72 27-200084 9/25/94 Arizona American Water Co - Agua Fria 203 Surprise Farms - 1A North Maricopa 3 North 2 West 1&2 398 27-400267 8/10/00 Arizona American Water Co - Agua Fria Y Y Sierra Montana Phase 1 Maricopa 3 North 2 West 10 & 11 1,396 27-400676 7/10/02 Arizona American Water Co - Agua Fria Sierra Montana Phase 2 Maricopa 3 North 2 West 10 & 11 693 27-400879 4/24/03 Arizona American Water Co - Agua Fria Y Trillium - Phase II Maricopa 3 North 4 West 7 & 18 2,755 27-500049 12/26/06 Town of Buckeye Y 207 Trillium - Phase I Maricopa 3 North 4 West 7, 8, 17 & 18 4,266 27-402095 12/11/06 Town of Buckeye Y 209 Belmont Ranches Maricopa 3 North 7 West 33, 34, 35 & 36 62 27-200008 6/7/93 NA N 204 206 Citrus Point Maricopa 3 North 1 East 6 332 27-300474 1/21/99 Arizona American Water Co - Sun City Y Sun City Manor Maricopa 3 North 1 East 6 140 27-402236 11/28/06 Arizona American Water Co - Sun City Y 213 Youngtown Gardens Condominiums Maricopa 3 North 1 East 18 126 27-400240 2/24/00 Arizona American Water Co - Sun City Y 215 Riverwalk Village-Phase I, Phase II and Phase III-Retail Maricopa 3 North 1 East 29 210 27-700291 5/18/07 Arizona American Water Co - Sun City Y 241 Goldfield Ranch Maricopa 3 North 7 East 9, 10 & 15 532 27-200125 4/29/88 NA N 242 Sarival Farms Phase I Maricopa 2 North 1 West 6 14 27-400525 1/22/02 Adaman Mutual Water Company Y 243 Sarival Farms Phase 2 Maricopa 2 North 1 West 6 18 27-400670 11/5/02 Adaman Mutual Water Company Y 244 Dybeth Maricopa 2 North 1 West 10 694 27-200107 2/16/89 Valley Utilities N 211 245 246 247 Vista Camello Maricopa 2 North 1 West 10 9 27-200385 12/17/93 NA N Dreaming Summit Unit 1, Parcel 1(part) Maricopa 2 North 1 West 10 120 27-400283 7/25/00 Valley Utilities Y Dreaming Summit Unit 1, Parcel 2 Maricopa 2 North 1 West 10 162 27-400284 7/20/00 Valley Utilities Y Dreaming Summit Unit 1, Parcel 3 Maricopa 2 North 1 West 10 89 27-400285 7/25/00 Valley Utilities Y Dreaming Summit Unit 1, Parcel 4(part) 1 Maricopa 2 North 1 West 10 154 27-400286 7/25/00 Valley Utilities Y Luke Ranch Estates Maricopa 2 North 1 West 10 38 27-400924 1/27/04 Valley Utilities Y Bethany Estates Maricopa 2 North 1 West 11 62 27-400624 5/11/02 Valley Utilities Y Dysart Ranch Maricopa 2 North 1 West 11 28 27-400704 2/11/03 Valley Utilities Y Capistrano North Maricopa 2 North 1 West 11 112 27-401183 3/30/04 Valley Utilities Y Section 8.1 Phoenix Active Management Area 184 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Y Capistrano South Maricopa 2 North 1 West 11 50 27-401184 3/30/04 Valley Utilities Dysart Village Maricopa 2 North 1 West 11 39 27-401281 10/29/04 Valley Utilities Y Capistrano South Maricopa 2 North 1 West 11 51 27-401413 8/30/04 Valley Utilities Y 247 Riverside Estates Maricopa 2 North 1 West 11 80 27-401847 12/8/05 Valley Utilities Y Falcon View Maricopa 2 North 1 West 11 64 27-402093 8/11/06 Valley Utilities Y Maryland Estates Maricopa 2 North 1 West 11 49 27-700300 9/20/07 Valley Utilities Y Dycam Maricopa 2 North 1 West 14 28 27-200108 6/12/89 NA N Los Cerros Maricopa 2 North 1 West 14 24 27-200186 1/2/81 Valley Utilities N New Village Homes Maricopa 2 North 1 West 14 107 27-200208 2/17/89 Tierra Buena Water Co N 248 249 Litchfield Vista Views III Maricopa 2 North 1 West 14 76 27-300310 8/15/97 Tierra Buena Water Co Y Wigwam Creek North Phase 2B Maricopa 2 North 1 West 14 21 27-400794 3/11/03 Litchfield Park Service Co Y Colter Commons Maricopa 2 North 1 West 14 29 27-400837 6/27/03 Litchfield Park Service Co Y Litchfield Ridge Maricopa 2 North 1 West 15 NA 27-200181 10/21/88 Valley Utilities N Dreaming Summit Unit 2B, Parcel 1 Maricopa 2 North 1 West 15 158 27-400255 6/19/00 Litchfield Park Service Co Y Dreaming Summit Unit 2B, Parcels 2 & 3 Maricopa 2 North 1 West 15 282 27-400256 6/19/00 Litchfield Park Service Co Y Veranda Maricopa 2 North 1 West 15 97 27-400299 11/16/00 Litchfield Park Service Co Y Dreaming Summit Unit 3A Par 1-5, Unit 3B Par 1-3 Maricopa 2 North 1 West 15 441 27-400487 8/9/01 Litchfield Park Service Co Y Veranda II Maricopa 2 North 1 West 15 49 27-400743 12/5/02 Litchfield Park Service Co Y Veranda Commons Maricopa 2 North 1 West 15 7 27-401989 3/6/06 Litchfield Park Service Co Y Camelback Place at Dysart Maricopa 2 North 1 West 15 7 27-402257 12/4/06 Litchfield Park Service Co Y The Villas at Litchfield Park Maricopa 2 North 1 West 21 58 27-401534 12/23/04 Litchfield Park Service Co Y Awenasa Maricopa 2 North 1 West 21 196 27-500097 4/9/07 Litchfield Park Service Co Y Wigwam Creek-Phase I,Parcels3,4,6,8,9,12 Maricopa 2 North 1 West 23 539 27-400410 11/13/00 Litchfield Park Service Co Y Wigwam Creek-Phase I,Parcels1,2,5,7,10 Maricopa 2 North 1 West 23 518 27-400411 7/30/01 Litchfield Park Service Co Y Wigwam Creek Parcel 11 Maricopa 2 North 1 West 23 112 27-400706 8/15/02 Litchfield Park Service Co Y 250 251 Wigwam Creek Parcel 12 Maricopa 2 North 1 West 23 94 27-400707 7/26/02 Litchfield Park Service Co Y Monument Point Business Park Maricopa 2 North 1 West 23 21 27-700320 8/24/07 Litchfield Park Service Co Y Litchfield Park Subdivision 4B Maricopa 2 North 1 West 27 6 27-401873 4/20/06 Litchfield Park Service Co Y Coldwater Station Maricopa 2 North 1 West 27 22 27-500037 12/6/06 Litchfield Park Service Co Y Sunrise at Palm Valley Maricopa 2 North 1 West 28 397 27-300447 8/27/98 Litchfield Park Service Co Y Y 252 Palm Valley Phase 3A Maricopa 2 North 1 West 28 310 27-300481 11/10/98 Litchfield Park Service Co Palm Valley Phase 2, Parcel 5 Maricopa 2 North 1 West 28 84 27-400125 11/12/99 Litchfield Park Service Co Y Palm Valley Phase 3B Maricopa 2 North 1 West 28 348 27-400249 5/15/00 Litchfield Park Service Co Y Litchfield Park Villas, A Condominium Maricopa 2 North 1 West 28 46 27-401594 1/13/05 Litchfield Park Service Co Y PebbleCreek Golf Resort #6 Maricopa 2 North 1 West 29 NA 27-200221 2/8/93 Litchfield Park Service Co N Pebblecreek Unit 25 Maricopa 2 North 1 West 29 22 27-300550 7/16/99 Litchfield Park Service Co Y 255 Pebblecreek Unit 26,27,28,29 & 30 Maricopa 2 North 1 West 30 538 27-400185 2/17/00 Litchfield Park Service Co Y 256 Palm Valley Phase VIII, North Parcel Maricopa 2 North 1 West 31 382 27-401871 12/6/05 Litchfield Park Service Co Y Goodyear Planned Regional Center, Parcels 9, 10 & Maricopa 2 North 1 West 32 383 27-400870 5/5/03 Litchfield Park Service Co Y Rio Paseo Parcels 7 & 8 Maricopa 2 North 1 West 32 312 27-401565 8/22/05 Litchfield Park Service Co Y 253 254 257 258 259 260 The Market at Estrella Falls & Estrella Falls Regional Shopping Center Maricopa 2 North 1 West 32 17 27-700438 3/17/08 Litchfield Park Service Co Y Palm Valley Phase 2, Parcel 10 Maricopa 2 North 1 West 33 115 27-400472 5/22/01 Litchfield Park Service Co Y Palm Valley Phase 2, Parcel 1A Maricopa 2 North 1 West 33 36 27-400473 5/22/01 Litchfield Park Service Co N Palm Valley Phase 2, Parcel 6 Maricopa 2 North 1 West 33 49 27-400474 5/22/01 Litchfield Park Service Co Y The Cottages at Palm Valley Maricopa 2 North 1 West 33 84 27-401524 12/23/04 Litchfield Park Service Co Y Camelot at Palm Valley Maricopa 2 North 1 West 33 128 27-401915 1/4/06 Litchfield Park Service Co Y Palm Valley Phase 1, Parcels 1,9,20,21 Maricopa 2 North 1 West 34 343 27-200213 6/29/94 Litchfield Park Service Co N N Palm Valley Phase 1, Parcels 7,18,19,22 Maricopa 2 North 1 West 34 503 27-200214 2/25/94 Litchfield Park Service Co Palm Valley Phase 1, Parcel 4 Maricopa 2 North 1 West 34 95 27-300195 3/12/97 Litchfield Park Service Co Y Parcel 17A @Palm Valley - Phase One Maricopa 2 North 1 West 34 123 27-400177 3/21/00 Litchfield Park Service Co Y Parcel 17B @Palm Valley - Phase One Maricopa 2 North 1 West 34 123 27-400178 2/10/00 Litchfield Park Service Co Y 185 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member 261 Dreaming Summit Unit 2A, Parcels 1,2,3 Maricopa 2 North 1 West 10 & 15 390 27-400254 6/13/00 Litchfield Park Service Co Y 262 Wigwam Creek Maricopa 2 North 1 West 11 & 14 1,343 27-400233 5/4/00 Litchfield Park Service Co N 262 Wigwam Creek North Phase 2 Maricopa 2 North 1 West 11 & 14 831 27-400528 6/3/02 Litchfield Park Service Co Y 263 Palm Valley Phase IX Maricopa 2 North 1 West 16 & 17 218 27-700369 12/20/07 Litchfield Park Service Co Y 264 The Village at Litchfield Park Maricopa 2 North 1 West 20 & 21 322 27-400540 10/15/01 Litchfield Park Service Co Y 265 PebbleCreek Golf Resort #11, 12, 14-24 Maricopa 2 North 1 West 28 & 29 1,007 27-200222 5/30/95 Litchfield Park Service Co N Palm Valley Phase II, Parcel 1 Maricopa 2 North 1 West 28 & 33 302 27-400541 10/25/01 Litchfield Park Service Co Y Palm Valley Phase II Parcel 2 Maricopa 2 North 1 West 28 & 33 105 27-400689 7/24/02 Litchfield Park Service Co Y Palm Valley Phase II Parcel 7 Maricopa 2 North 1 West 28 & 33 67 27-400690 7/24/02 Litchfield Park Service Co Y Palm Valley Phase II, Parcel 24 Maricopa 2 North 1 West 28 & 33 53 27-400693 7/24/02 Litchfield Park Service Co Y Palm Valley Phase II Parcel 2 Maricopa 2 North 1 West 28 & 33 105 27-401028 10/29/03 Litchfield Park Service Co Y 267 PebbleCreek Golf Resort #1-5,7 Maricopa 2 North 1 West 29 & 30 NA 27-200223 1/14/93 Litchfield Park Service Co N 268 Clearwater Farms #2 Maricopa 2 North 2 West 2 147 27-200060 5/20/82 Arizona American Water Co - Agua Fria N Clearwater Farms #2 Maricopa 2 North 2 West 2 NA 27-200061 5/5/84 Arizona American Water Co - Agua Fria N N 266 268 Clearwater Mountain Estates Maricopa 2 North 2 West 2 18 27-200068 3/14/91 Arizona American Water Co - Agua Fria Clearwater Mountain Estates Maricopa 2 North 2 West 2 7 27-200069 3/22/94 Arizona American Water Co - Agua Fria N Clearwater Farms #3,4 Maricopa 2 North 2 West 3 303 27-200063 4/22/82 Arizona American Water Co - Agua Fria N Surprise Farms Phase 3 - Parcel 5 Maricopa 2 North 2 West 3 45 27-401390 10/14/04 Arizona American Water Co - Agua Fria Y Clearwater Farms #3 Maricopa 2 North 2 West 10 112 27-200062 8/25/84 Arizona American Water Co - Agua Fria N Clearwater Farms #4 Maricopa 2 North 2 West 10 NA 27-200064 3/21/88 Arizona American Water Co - Agua Fria N Clearwater Farms #5 Maricopa 2 North 2 West 10 30 27-200065 3/31/88 Arizona American Water Co - Agua Fria N Clearwater Farms #6 Maricopa 2 North 2 West 10 29 27-200066 6/13/90 Arizona American Water Co - Agua Fria N Clearwater Farms #8 Maricopa 2 North 2 West 10 68 27-200067 12/12/94 Arizona American Water Co - Agua Fria N Montana Farms Maricopa 2 North 2 West 11 19 27-400041 5/27/99 Arizona American Water Co - Agua Fria Y Montana Farms II Maricopa 2 North 2 West 11 33 27-400512 9/13/01 Arizona American Water Co - Agua Fria Y Tara Estates Maricopa 2 North 2 West 11 23 27-401039 1/27/04 Arizona American Water Co - Agua Fria Y Arizona American Water Co - Agua Fria Y 269 270 271 272 Russell Ranch Maricopa 2 North 2 West 15 493 27-400414 7/23/01 Cottonwood Estates Maricopa 2 North 2 West 15 50 27-400734 3/26/04 Arizona American Water Co - Agua Fria Y Y Savannah Maricopa 2 North 2 West 15 319 27-401146 4/28/04 Arizona American Water Co - Agua Fria 273 Jackrabbit Estates Maricopa 2 North 2 West 16 364 27-401546 1/24/05 Arizona American Water Co - Agua Fria Y 274 Beautiful Arizona Estates Maricopa 2 North 2 West 17 19 27-200005 9/25/94 Arizona Water Co - White Tanks N 274 Beautiful Arizona Estates Maricopa 2 North 2 West 17 12 27-200006 3/24/95 Arizona Water Co - White Tanks N Verrado Parcel 4.613 Maricopa 2 North 2 West 19 42 27-400819 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.624 Maricopa 2 North 2 West 19 5 27-401026 1/6/04 Arizona American Water Co - Agua Fria Y 275 276 Verrado Parcel 4.501 Maricopa 2 North 2 West 19 41 27-401249 8/5/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.503 Maricopa 2 North 2 West 19 43 27-401250 8/18/04 Arizona American Water Co - Agua Fria Y Y Verrado Parcel 4.504 Maricopa 2 North 2 West 19 17 27-401251 8/5/04 Arizona American Water Co - Agua Fria Verrado Parcel 4.616 Maricopa 2 North 2 West 19 60 27-401428 11/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.505 Maricopa 2 North 2 West 19 80 27-401429 11/9/04 Arizona American Water Co - Agua Fria Y Y Verrado Parcel 4.506 Maricopa 2 North 2 West 19 21 27-401758 8/4/05 Arizona American Water Co - Agua Fria Verrado, Parcel 4.625 Maricopa 2 North 2 West 19 43 27-402033 7/31/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.502 Maricopa 2 North 2 West 19 48 27-402034 8/15/06 Arizona American Water Co - Agua Fria Y 46 27-401252 8/5/04 Arizona American Water Co - Agua Fria Y Y Verrado Parcel 5.601 Maricopa 2 North 2 West 19; and 2 North 3 West 24 Verrado Parcel 5.602 Maricopa 2 North 2 West 19; and 2 North 3 West 24 10 27-401253 8/18/04 Arizona American Water Co - Agua Fria 277 278 Litchfield Heights Unit I Maricopa 2 North 2 West 20 12 27-300252 10/20/97 Arizona Water Co - White Tanks Litchfield Heights Unit II Maricopa 2 North 2 West 20 16 27-300539 11/17/98 Arizona Water Co - White Tanks Y Litchfield Heights Unit III Maricopa 2 North 2 West 20 19 27-300597 2/2/99 Arizona Water Co - White Tanks Y Litchfield Heights Unit IV Maricopa 2 North 2 West 20 20 27-400024 2/25/99 Arizona Water Co - White Tanks Y Verrado parcel 4.411 Maricopa 2 North 2 West 20 24 27-402165 8/18/06 Arizona American Water Co - Agua Fria Y Verrado, Parcel 4.421 Maricopa 2 North 2 West 20 39 27-402099 7/10/06 Arizona American Water Co - Agua Fria Y Verrado, Parcel 4.422 Maricopa 2 North 2 West 20 19 27-402100 7/10/06 Arizona American Water Co - Agua Fria Y 279 Section 8.1 Phoenix Active Management Area 186 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County No. of Lots Township Range Section ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Verrado, Parcel 4.423 Maricopa 2 North 2 West 20 34 27-402101 9/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.424 Maricopa 2 North 2 West 20 12 27-402102 9/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.425 Maricopa 2 North 2 West 20 33 27-402103 9/11/06 Arizona American Water Co - Agua Fria Y Y Verrado Parcel 4.426 Maricopa 2 North 2 West 20 41 27-402104 7/5/06 Arizona American Water Co - Agua Fria Verrado, Parcel 4.427 Maricopa 2 North 2 West 20 24 27-402105 7/5/06 Arizona American Water Co - Agua Fria Y Verrado, Parcel 4.428 Maricopa 2 North 2 West 20 33 27-402106 7/5/06 Arizona American Water Co - Agua Fria Y Verrado, Parcel 4.429 Maricopa 2 North 2 West 20 34 27-402107 7/18/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.409 Maricopa 2 North 2 West 20 23 27-402163 9/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.410 Maricopa 2 North 2 West 20 31 27-402164 8/18/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.412 Maricopa 2 North 2 West 20 42 27-402166 8/21/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.413 Maricopa 2 North 2 West 20 29 27-402167 8/21/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.414 Maricopa 2 North 2 West 20 40 27-402168 8/22/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.415 Maricopa 2 North 2 West 20 43 27-402169 9/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.416 Maricopa 2 North 2 West 20 21 27-402170 9/11/06 Arizona American Water Co - Agua Fria Y Y 279 Verrado Parcel 4.417 Maricopa 2 North 2 West 20 32 27-402171 8/22/06 Arizona American Water Co - Agua Fria Verrado Parcel 4.418 Maricopa 2 North 2 West 20 36 27-402172 9/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.401 Maricopa 2 North 2 West 20 20 27-402175 9/21/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.402 Maricopa 2 North 2 West 20 40 27-402176 9/21/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.403 Maricopa 2 North 2 West 20 26 27-402177 9/21/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.404 Maricopa 2 North 2 West 20 52 27-402178 9/21/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.405 Maricopa 2 North 2 West 20 29 27-402179 8/22/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.406 Maricopa 2 North 2 West 20 42 27-402180 9/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.407 Maricopa 2 North 2 West 20 19 27-402181 8/22/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.408 Maricopa 2 North 2 West 20 52 27-402182 9/11/06 Arizona American Water Co - Agua Fria Y 280 Camelback Garden Farms Maricopa 2 North 2 West 21 64 27-400322 1/28/02 Arizona Water Co - White Tanks Y 281 Sedella Maricopa 2 North 2 West 22 1,168 27-402152 10/2/06 Arizona American Water Co - Agua Fria Y Palm Valley Phase V, Parcels 1-22 Maricopa 2 North 2 West 24 1,695 27-401395 11/19/04 Litchfield Park Service Co Y Palm Valley Phase VI Perimeter West Maricopa 2 North 2 West 24 35 27-700230 7/24/07 Litchfield Park Service Co Y Litchfield Farms Maricopa 2 North 2 West 28 43 27-400574 1/28/02 Arizona Water Co - White Tanks Y Litchfield Farms II Unit B Maricopa 2 North 2 West 28 98 27-400575 1/4/02 Arizona Water Co - White Tanks Y Litchfield Farms II Unit A Maricopa 2 North 2 West 28 94 27-400576 1/3/02 Arizona Water Co - White Tanks Y Verrado Parcel 4.604 Maricopa 2 North 2 West 30 13 27-400812 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.605 Maricopa 2 North 2 West 30 56 27-400813 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.608 Maricopa 2 North 2 West 30 36 27-400814 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.609 Maricopa 2 North 2 West 30 51 27-400815 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.612 Maricopa 2 North 2 West 30 55 27-400818 1/13/03 Arizona American Water Co - Agua Fria Y Y 282 283 284 Verrado Parcel 4.615 Maricopa 2 North 2 West 30 39 27-400821 1/13/03 Arizona American Water Co - Agua Fria Verrado Parcel 4.601 Maricopa 2 North 2 West 30 27 27-400824 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.602 Maricopa 2 North 2 West 30 44 27-400825 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.606 Maricopa 2 North 2 West 30 46 27-400826 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.610 (2nd submittal) Maricopa 2 North 2 West 30 51 27-400975 8/27/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.623 Maricopa 2 North 2 West 30 34 27-401334 10/19/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.801 Maricopa 2 North 2 West 30 108 27-401420 11/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.905 Maricopa 2 North 2 West 30 34 27-401430 11/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.904 Maricopa 2 North 2 West 30 45 27-401431 11/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.903 Maricopa 2 North 2 West 30 61 27-401432 11/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.902 Maricopa 2 North 2 West 30 52 27-401433 11/9/04 Arizona American Water Co - Agua Fria Y Y 285 Verrado Parcel 4.901 Maricopa 2 North 2 West 30 55 27-401434 11/9/04 Arizona American Water Co - Agua Fria Verrado Parcel 4.802 Maricopa 2 North 2 West 30 38 27-401508 12/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.803 Maricopa 2 North 2 West 30 11 27-401509 12/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.804 Maricopa 2 North 2 West 30 50 27-401510 12/9/04 Arizona American Water Co - Agua Fria Y 187 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key 285 Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Verrado Parcel 4.808 Maricopa 2 North 2 West 30 19 27-401514 12/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.809 Maricopa 2 North 2 West 30 49 27-401515 12/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.810 Maricopa 2 North 2 West 30 25 27-401516 12/9/04 Arizona American Water Co - Agua Fria Y Y Verrado Parcel 4.811 Maricopa 2 North 2 West 30 52 27-401517 12/9/04 Arizona American Water Co - Agua Fria Verrado Parcel 3.202 Maricopa 2 North 2 West 30 37 27-401703 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.805 Maricopa 2 North 2 West 30 & 31 72 27-401763 7/7/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.209 Maricopa 2 North 2 West 30 36 27-401710 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.805 Maricopa 2 North 2 West 30 & 31 87 27-401511 12/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.806 Maricopa 2 North 2 West 30 & 31 39 27-401512 12/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.807 Maricopa 2 North 2 West 30 & 31 87 27-401513 12/9/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.203 Maricopa 2 North 2 West 30 & 31 58 27-401704 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.204 Maricopa 2 North 2 West 30 & 31 50 27-401705 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.207 Maricopa 2 North 2 West 30 & 31 22 27-401708 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 5.804 Maricopa 2 North 2 West 30; and 2 North 3 West 25 36 27-400960 9/8/03 Arizona American Water Co - Agua Fria Y Y 286 287 288 Verrado Parcel 3.101 Maricopa 2 North 2 West 30; and 2 North 3 West 25 109 27-401575 4/4/05 Arizona American Water Co - Agua Fria Verrado Parcel 3.201 Maricopa 2 North 2 West 30; and 2 North 3 West 25 38 27-401702 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.401 Maricopa 2 North 2 West 31 12 27-401691 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.402 Maricopa 2 North 2 West 31 17 27-401692 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.403 Maricopa 2 North 2 West 31 30 27-401693 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.404 Maricopa 2 North 2 West 31 40 27-401694 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.405 Maricopa 2 North 2 West 31 73 27-401695 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.406 Maricopa 2 North 2 West 31 32 27-401696 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.407 Maricopa 2 North 2 West 31 14 27-401697 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.409 Maricopa 2 North 2 West 31 18 27-401698 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.410 Maricopa 2 North 2 West 31 14 27-401699 7/11/05 Arizona American Water Co - Agua Fria Y Y Verrado Parcel 3.411 Maricopa 2 North 2 West 31 14 27-401700 7/11/05 Arizona American Water Co - Agua Fria Verrado Parcel 3.412 Maricopa 2 North 2 West 31 27 27-401701 7/11/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.205 Maricopa 2 North 2 West 31 51 27-401706 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.206 Maricopa 2 North 2 West 31 43 27-401707 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.208 Maricopa 2 North 2 West 31 62 27-401709 7/12/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.303 Maricopa 2 North 2 West 31 48 27-401769 8/26/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.304 Maricopa 2 North 2 West 31 17 27-401770 8/26/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.308 Maricopa 2 North 2 West 31 82 27-401771 8/25/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.301 Maricopa 2 North 2 West 31 78 27-401844 11/30/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.306 Maricopa 2 North 2 West 31 43 27-401845 11/30/05 Arizona American Water Co - Agua Fria Y Verrado Parcel 3.311 Maricopa 2 North 2 West 31 14 27-401846 11/18/05 Arizona American Water Co - Agua Fria Y Y Verrado, Parcel 2.102 Maricopa 2 North 2 West 31 56 27-402031 6/16/06 Arizona American Water Co - Agua Fria Verrado, Parcel 2.101 Maricopa 2 North 2 West 31 46 27-402032 6/16/06 Arizona American Water Co - Agua Fria Y Verrado, Parcel 2.202 Maricopa 2 North 2 West 31 18 27-402126 8/11/06 Arizona American Water Co - Agua Fria Y Verrado, Parcel 2.203 Maricopa 2 North 2 West 31 15 27-402127 8/11/06 Arizona American Water Co - Agua Fria Y Verrado, Parcel 2.204 Maricopa 2 North 2 West 31 12 27-402128 8/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.205 Maricopa 2 North 2 West 31 54 27-402129 8/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.207 Maricopa 2 North 2 West 31 38 27-402130 8/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.206 Maricopa 2 North 2 West 31 21 27-402131 8/28/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.208 Maricopa 2 North 2 West 31 14 27-402132 8/28/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.209 Maricopa 2 North 2 West 31 17 27-402133 8/22/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.210 Maricopa 2 North 2 West 31 48 27-402134 8/18/06 Arizona American Water Co - Agua Fria Y Y Verrado Parcel 2.301 Maricopa 2 North 2 West 31 24 27-402153 8/15/06 Arizona American Water Co - Agua Fria Verrado Parcel 2.302 Maricopa 2 North 2 West 31 36 27-402154 8/15/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.304 Maricopa 2 North 2 West 31 18 27-402155 8/15/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.305 Maricopa 2 North 2 West 31 6 27-402156 8/22/06 Arizona American Water Co - Agua Fria Y Section 8.1 Phoenix Active Management Area 188 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key 288 290 Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Verrado Parcel 2.306 Maricopa 2 North 2 West 31 36 27-402157 8/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.307 Maricopa 2 North 2 West 31 29 27-402158 8/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 2.308 Maricopa 2 North 2 West 31 10 27-402159 8/11/06 Arizona American Water Co - Agua Fria Y Paloma Vista Maricopa 2 North 2 West 33 648 27-402117 7/6/06 Arizona Water Co - White Tanks Y Verrado Parcel 4.603 Maricopa 2 North 2 West 19 & 30 65 27-400811 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.614 Maricopa 2 North 2 West 19 & 30 40 27-400820 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.607 Maricopa 2 North 2 West 19 & 30 42 27-400827 1/13/03 Arizona American Water Co - Agua Fria Y Verrado Parcel 4.611 (2nd submittal) Maricopa 2 North 2 West 19 & 30 48 27-400976 8/27/03 Arizona American Water Co - Agua Fria Y 292 Pebblecreek Unit 26,27,28,29 & 30 Maricopa 2 North 2 West; 1 West 25 & 26; 31 538 27-400185 2/17/00 Litchfield Park Service Co Y 293 Pebblecreek Units 31 thru 65 Maricopa 2 North 2 West; 3 West 25 & 36;30 & 31 3,618 27-400287 2/7/01 Litchfield Park Service Co Y 294 Verrado Parcel 5.703 Maricopa 2 North 2 West; 3 West 30;24 & 25 53 27-400823 1/13/03 Arizona American Water Co - Agua Fria Y 295 Verrado Parcel 5.702 Maricopa 2 North 2 West; 3 West 30;25 47 27-400822 1/13/03 Arizona American Water Co - Agua Fria Y 296 Verrado Parcel 5.603 Maricopa 2 North 2 West 19; and 2 North 3 West 24 35 27-401254 8/5/04 Arizona American Water Co - Agua Fria Y 297 Verrado Parcel 5.704 Maricopa 2 North 3 West 24 20 27-401025 1/6/04 Arizona American Water Co - Agua Fria Y Y 291 Verrado Parcel 5.604 Maricopa 2 North 3 West 24 14 27-401342 9/20/04 Arizona American Water Co - Agua Fria Verrado Parcel 5.707 Maricopa 2 North 3 West 24 38 27-401396 10/19/04 Arizona American Water Co - Agua Fria Y Verrado Parcel 5.502 Maricopa 2 North 3 West 24 32 27-402123 10/4/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 5.503 Maricopa 2 North 3 West 24 29 27-402124 8/22/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 5.505 Maricopa 2 North 3 West 24 64 27-402125 8/11/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 5.504 Maricopa 2 North 3 West 24 10 27-402162 8/22/06 Arizona American Water Co - Agua Fria Y Verrado Parcel 5.420 Maricopa 2 North 3 West 24 61 27-700318 7/3/07 Arizona American Water Co - Agua Fria Y 298 299 Arizona American Water Co - Agua Fria Arizona American Water Co - Agua Fria Arizona American Water Co - Agua Fria Arizona American Water Co - Agua Fria Verrado Parcel 5.801 Maricopa 2 North 3 West 24 & 25 56 27-400970 9/8/03 Verrado Parcel 5.701 Maricopa 2 North 3 West 24 & 25 15 27-401000 10/28/03 Verrado Parcel 5.803 Maricopa 2 North 3 West 25 25 27-400959 2/17/04 Verrado Parcel 5.802 Maricopa 2 North 3 West 25 45 27-401094 1/8/04 302 Fireside at Sienna Hills, Parcels 1-6 South Parcels 1-2,3A,3B 5,6,7B,8-10,11A-C, 12 North Maricopa 2 North 3 West 36 1,029 27-500015 8/6/07 303 Anthem at Sun Valley South, Units 3, 5, 7, 9, 11, 13, 15 & 17 Maricopa 2 North 4 West 9 & 10 965 27-402230 4/11/08 Town of Buckeye Y 304 Tartesso Unit 1, Parcel 1.10 Maricopa 2 North 4 West 9 & 20 84 27-401168 6/28/04 Town of Buckeye Y 311 West Phoenix Estates #4,6 Maricopa 2 North 7 West 10, 11 & 14 128 27-200395 6/11/97 Water Utility of Greater Tonopah N 313 Elianto Village 4 Maricopa 2 North 4 West 17 & 18 3,695 27-401977 8/14/06 Town of Buckeye Y 300 301 314 315 316 Arizona American Water Co - Agua Fria Y Y Y Y Y Elianto Village 1 Maricopa 2 North 4 West 22, 27 & 28 1,745 27-401943 8/7/06 Town of Buckeye Y Tartesso Unit 1, Parcel 1.3 Maricopa 2 North 4 West 29 112 27-401163 6/28/04 Town of Buckeye Y Tartesso Unit 1, Parcel 1.4 Maricopa 2 North 4 West 29 89 27-401164 6/28/04 Town of Buckeye Y Tartesso Unit 1, Parcel 1.5 Maricopa 2 North 4 West 29 77 27-401165 6/28/04 Town of Buckeye Y Tartesso Unit 1, Parcel 1.6 Maricopa 2 North 4 West 29 86 27-401166 6/28/04 Town of Buckeye Y Tartesso Unit 1, Parcel 1.9 Maricopa 2 North 4 West 29 91 27-401167 6/28/04 Town of Buckeye Y Tartesso Unit 1, Parcel 1.11 Maricopa 2 North 4 West 29 132 27-401169 6/28/04 Town of Buckeye Y Tartesso Unit 1, Parcel 1.12 Maricopa 2 North 4 West 29 95 27-401170 6/28/04 Town of Buckeye Y Tartesso Unit 2, Parcel 2.16 Maricopa 2 North 4 West 19 & 30 87 27-401452 3/18/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.3 Maricopa 2 North 4 West 30 147 27-401442 3/18/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.4 Maricopa 2 North 4 West 30 124 27-401443 3/18/05 Town of Buckeye Y Y Tartesso Unit 2, Parcel 2.6 Maricopa 2 North 4 West 30 120 27-401444 3/18/05 Town of Buckeye Tartesso Unit 2, Parcel 2.7 Maricopa 2 North 4 West 30 94 27-401445 3/18/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.8 Maricopa 2 North 4 West 30 114 27-401446 3/17/05 Town of Buckeye Y 317 Tartesso Unit 2, Parcel 2.9 Maricopa 2 North 4 West 30 191 27-401447 3/18/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.10 Maricopa 2 North 4 West 30 98 27-401448 3/18/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.11 Maricopa 2 North 4 West 30 136 27-401449 3/18/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.13 Maricopa 2 North 4 West 30 93 27-401450 3/18/05 Town of Buckeye Y Y Tartesso Unit 2, Parcel 2.17 Maricopa 2 North 4 West 30 92 27-401453 3/21/05 Town of Buckeye Tartesso Unit 2, Parcel 2.15 Maricopa 2 North 4 West 30; and 2 North 5 West 25 130 27-401451 3/21/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.18 Maricopa 2 North 4 West 30; and 2 North 5 West 25 87 27-401454 3/21/05 Town of Buckeye Y 318 189 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County No. of Lots Township Range 320 Date of Determination Water Provider at the Time of Application GRD Member Tartesso Unit 2, Parcel 2.19 Maricopa 2 North 4 West 30; and 2 North 5 West 25 79 27-401455 3/17/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.21 Maricopa 2 North 4 West 30; and 2 North 5 West 25 79 27-401457 3/18/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.22 Maricopa 2 North 4 West 30; and 2 North 5 West 25 94 27-401458 3/18/05 Town of Buckeye Y 156 27-401459 3/17/05 Town of Buckeye Y 94 27-401460 3/18/05 Town of Buckeye Y 318 319 ADWR File No. Section Tartesso Unit 2, Parcel 2.23 Maricopa 2 North 4 West 30; and 2 North 5 West 25 Tartesso Unit 2, Parcel 2.25 Maricopa 2 North 5 West 24 & 25 Tartesso Unit 2, Parcel 2.20 Maricopa 2 North 5 West 25 87 27-401456 3/18/05 Town of Buckeye Y Tartesso Unit 2, parcel 2.26 Maricopa 2 North 5 West 25 118 27-401461 3/21/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.27 Maricopa 2 North 5 West 25 139 27-401462 3/21/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.28 Maricopa 2 North 5 West 25 105 27-401463 3/18/05 Town of Buckeye Y Tartesso Unit 2, Parcel 2.29 Maricopa 2 North 5 West 25 145 27-401464 3/18/05 Town of Buckeye Y 321 Country Meadows #9 Maricopa 2 North 1 East 6 265 27-200082 2/11/82 NA N 330 Lincoln at Tatum Subdivision Maricopa 2 North 4 East 8 7 27-300063 6/19/96 Arizona American Water Company Paradise Valley Y La Posada Property Maricopa 2 North 4 East 8 102 27-401479 2/25/05 Arizona American Water Co - Agua Fria Y La Posada Property Maricopa 2 North 4 East 8 22 27-401756 10/11/05 Arizona American Water Company Paradise Valley Y Y 330 Rancho Valencia Maricopa 2 North 4 East 10 7 27-402193 9/21/06 Arizona American Water Company Paradise Valley Lincoln Place Maricopa 2 North 4 East 11 56 27-300112 5/20/96 Arizona American Water Company Paradise Valley Y Paradise View Villas Condominiums Maricopa 2 North 4 East 11 52 27-400784 12/5/02 Arizona American Water Company Paradise Valley Y Corriente Condominiums Maricopa 2 North 4 East 11 192 27-401838 10/26/06 Arizona American Water Company Paradise Valley Y 335 Invergordon Manor Maricopa 2 North 4 East 15 10 27-402200 9/21/06 Arizona American Water Company Paradise Valley Y 337 Judson Estates Maricopa 2 North 4 East 3 & 10 32 27-400403 3/14/01 Arizona American Water Company Paradise Valley Y 342 Sossaman Estates, Phase A Maricopa 2 North 7 East 7 & 18 113 27-402278 1/17/07 Queen Creek Water Co Y 332 333 344 Legacy Parc Maricopa 1 North 1 West 34 56 27-400075 10/1/99 Litchfield Park Service Co 345 Palm Valley Phase VIII, South Parcel Maricopa 1 North 1 West 6 & 31 817 27-401851 4/5/06 Litchfield Park Service Co Y 346 Canada Village Maricopa 1 North 2 West 3 134 27-200018 11/10/80 Arizona Water Co - White Tanks N 347 EDC Estates Maricopa 1 North 2 West 4 8 27-400212 3/13/00 Arizona Water Co - White Tanks Y Y 348 Parkman Ranch Maricopa 1 North 2 West 4 633 27-400440 8/13/01 Arizona Water Co - White Tanks Jackrabbit Trails Maricopa 1 North 2 West 5 347 27-400439 9/25/01 Arizona Water Co - White Tanks Y Blue Horizon Villages, Parcel No's 1-4 Maricopa 1 North 2 West 8 309 27-400422 3/14/01 Arizona Water Co - White Tanks N Y 349 351 352 353 354 355 356 359 360 361 362 Blue Horizons Maricopa 1 North 2 West 08 1,977 27-401663 8/8/05 Arizona Water Co - White Tanks Vista de Montana Maricopa 1 North 2 West 9 1,100 27-400926 8/8/03 Arizona Water Co - White Tanks Y Hilyuri Arabians Maricopa 1 North 2 West 15 4 27-200144 2/9/84 NA N N Primrose Estates Maricopa 1 North 2 West 17 54 27-300206 2/12/97 Water Utility of Greater Buckeye Perryville Broadway Maricopa 1 North 2 West 21 1,025 27-401923 7/31/06 Town of Buckeye Y Cottonwood Maricopa 1 North 2 West 16 & 21 999 27-401779 3/21/06 Town of Buckeye Y Sundance Parcel 2 Maricopa 1 North 3 West 9 309 27-400742 9/27/02 Town of Buckeye Y Acacia Crossing Maricopa 1 North 3 West 9 241 27-401034 1/8/04 Town of Buckeye Y Sundance Parcel 7 Maricopa 1 North 3 West 9 242 27-401532 2/22/05 Town of Buckeye Y Sundance Parcel 36 Maricopa 1 North 3 West 9 & 15 252 27-400602 8/15/02 Town of Buckeye Y Y Sundance Parcel 13 Maricopa 1 North 3 West 10 103 27-400588 6/24/02 Town of Buckeye Sundance Parcel 29 Maricopa 1 North 3 West 10 90 27-400590 6/24/02 Town of Buckeye Y Sundance Parcel 21 Maricopa 1 North 3 West 10 101 27-400721 7/26/02 Town of Buckeye Y Y 363 364 Sundance Cove Maricopa 1 North 3 West 10 114 27-401279 9/14/04 Town of Buckeye Sundance Cove Maricopa 1 North 3 West 10 80 27-401290 9/3/04 Town of Buckeye Y Sundance Cove II Maricopa 1 North 3 West 10 124 27-401960 8/28/06 Town of Buckeye Y Y Sundance Parcel 15 Maricopa 1 North 3 West 10 230 27-401282 4/29/04 Town of Buckeye Sundance Parcel 12 Maricopa 1 North 3 West 10 63 27-400586 6/24/02 Town of Buckeye Y Sundance Parcel 28A Maricopa 1 North 3 West 10 104 27-400589 6/24/02 Town of Buckeye Y Sundance Parcel 14 Maricopa 1 North 3 West 10 87 27-400747 12/5/02 Town of Buckeye Y Sundance Parcel 15 Maricopa 1 North 3 West 10 237 27-400748 11/22/02 Town of Buckeye Y Sundance Parcel 24 Maricopa 1 North 3 West 10 43 27-400749 11/22/02 Town of Buckeye Y Sundance Parcel 28B Maricopa 1 North 3 West 10 174 27-400750 3/28/03 Town of Buckeye Y 365 Section 8.1 Phoenix Active Management Area 190 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County No. of Lots Township 366 367 Range ADWR File No. Date of Determination Section Water Provider at the Time of Application GRD Member Sundance Parcel 18 Maricopa 1 North 3 West 11 108 27-400719 8/15/02 Town of Buckeye Y Sundance Parcel 20 Maricopa 1 North 3 West 11 106 27-400720 8/15/02 Town of Buckeye Y Sundance Parcel 19 Maricopa 1 North 3 West 11 236 27-400855 5/1/03 Town of Buckeye Y Sundance Parcel 20A Maricopa 1 North 3 West 11 33 27-400856 5/7/03 Town of Buckeye Y Sundance Parcel 16 Maricopa 1 North 3 West 11 136 27-400888 10/29/03 Town of Buckeye Y Sundance Parcel 17 Maricopa 1 North 3 West 11 117 27-400889 10/29/03 Town of Buckeye Y Sundance Parcel 22 Maricopa 1 North 3 West 11 157 27-400890 10/29/03 Town of Buckeye Y Sundance Parcel 23a Maricopa 1 North 3 West 11 161 27-400891 10/29/03 Town of Buckeye Y Sundance Parcel 23b Maricopa 1 North 3 West 11 50 27-400892 10/29/03 Town of Buckeye Y Sundance Parcel 25 Maricopa 1 North 3 West 11 112 27-400893 10/29/03 Town of Buckeye Y Sundance Parcel 26 Maricopa 1 North 3 West 11 111 27-400894 10/29/03 Town of Buckeye Y Sundance Parcel 27 Maricopa 1 North 3 West 11 177 27-400895 10/29/03 Town of Buckeye Y Windmill Village Maricopa 1 North 3 West 11 513 27-401008 10/7/04 Town of Buckeye Y Sundance Parcel 22 Maricopa 1 North 3 West 11 150 27-401283 5/3/04 Town of Buckeye Y Sundance Parcel 23B Maricopa 1 North 3 West 11 54 27-401359 8/23/04 Town of Buckeye Y Sundance Parcel 16 Maricopa 1 North 3 West 11 132 27-401503 12/9/04 Town of Buckeye Y Sundance Parcel 23A Maricopa 1 North 3 West 11 156 27-401504 11/23/04 Town of Buckeye Y Sundance Parcel 17 Maricopa 1 North 3 West 11 114 27-401505 11/23/04 Town of Buckeye Y Sundance Parcel 46B Maricopa 1 North 3 West 13 126 27-401486 8/30/05 Town of Buckeye Y Sundance Parcel 45C Maricopa 1 North 3 West 13 46 27-401679 8/26/05 Town of Buckeye Y Sundance Parcel 10 Maricopa 1 North 3 West 13 25 27-401680 8/26/05 Town of Buckeye Y Sundance Parcel 47 Maricopa 1 North 3 West 13 11 27-401681 8/26/05 Town of Buckeye Y 368 369 370 Sundance Parcel 49A Maricopa 1 North 3 West 13 81 27-401682 8/26/05 Town of Buckeye Y Sundance Parcel 48 Maricopa 1 North 3 West 13 249 27-401808 8/30/05 Town of Buckeye Y Sundance Parcel 45A Maricopa 1 North 3 West 14 70 27-401161 3/26/04 Town of Buckeye Y Sundance Parcels 34b and 43 Maricopa 1 North 3 West 14 220 27-401237 9/20/04 Town of Buckeye Y Coyote Ridge Maricopa 1 North 3 West 14 264 27-402013 5/18/06 Town of Buckeye Y Sundance Parcel 46A Maricopa 1 North 3 West 13 & 14 128 27-401482 8/31/05 Town of Buckeye Y Sundance Parcel 40 Maricopa 1 North 3 West 14 213 27-400570 3/1/02 Town of Buckeye Y Sundance Parcel 41 Maricopa 1 North 3 West 14 61 27-400916 2/2/04 Town of Buckeye Y Sundance Parcel 42 Maricopa 1 North 3 West 14 150 27-400917 2/2/04 Town of Buckeye Y Y 371 Sundance Parcel 45B Maricopa 1 North 3 West 14 40 27-401485 12/6/04 Town of Buckeye Sundance Parcel 37B Maricopa 1 North 3 West 15 213 27-400569 2/8/02 Town of Buckeye Y Sundance Parcel 31 Maricopa 1 North 3 West 15 310 27-400806 3/13/03 Town of Buckeye Y 372 Sundance Parcel 38 Maricopa 1 North 3 West 15 49 27-401162 3/26/04 Town of Buckeye Y Sundance Parcel 32 Maricopa 1 North 3 West 15 87 27-401497 10/19/04 Town of Buckeye Y Sundance Parcel 37A Maricopa 1 North 3 West 15 188 27-400585 6/24/02 Town of Buckeye Y Sundance Parcel 32 Maricopa 1 North 3 West 15 85 27-400941 10/29/03 Town of Buckeye Y Sundance Parcel 33 Maricopa 1 North 3 West 15 36 27-400942 10/29/03 Town of Buckeye Y Sundance Parcel 35 Maricopa 1 North 3 West 15 44 27-400943 10/29/03 Town of Buckeye Y Watson Estates Parcels 1 - 10 Maricopa 1 North 3 West 16 868 27-401788 1/12/06 Valencia Water Co Y 374 Anderson Parc Maricopa 1 North 3 West 16 242 27-401886 3/15/06 Valencia Water Co Y Desert Moon Estates Maricopa 1 North 3 West 16 739 27-402056 6/14/06 Valencia Water Co Y 375 The Village at Sundance Phase 1,2 & 3 Maricopa 1 North 3 West 17 615 27-401993 5/18/06 Valencia Water Co Y Westpark Phase 1, Parcel 3N Maricopa 1 North 3 West 18 89 27-401273 8/18/04 Valencia Water Co Y Westpark Phase 1, Parcel 4S Maricopa 1 North 3 West 18 90 27-401274 9/20/04 Valencia Water Co Y Westpark Phase 1, Parcel 3S Maricopa 1 North 3 West 18 73 27-401275 8/18/04 Valencia Water Co Y 373 376 377 Westpark Phase 1, parcel 4N Maricopa 1 North 3 West 18 132 27-401276 8/18/04 Valencia Water Co Y Northwood Park Estates Maricopa 1 North 3 West 19 43 27-200210 3/1/93 Valencia Water Co N Northwood Park Estates Maricopa 1 North 3 West 19 69 27-200211 6/27/94 Valencia Water Co N Westpark Phase 1, Parcel 2N Maricopa 1 North 3 West 19 74 27-401192 4/7/04 Valencia Water Co Y 191 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County No. of Lots Township 377 Range ADWR File No. Date of Determination Section Water Provider at the Time of Application GRD Member Westpark Phase 1, Parcel 2S Maricopa 1 North 3 West 19 53 27-401193 4/7/04 Valencia Water Co Y Westpark Phase 1, Parcel 15N Maricopa 1 North 3 West 19 62 27-401194 4/15/04 Valencia Water Co Y Westpark Phase 1, Parcel 17S Maricopa 1 North 3 West 19 97 27-401195 6/15/04 Valencia Water Co Westpark Phase 1, Parcel 16S Maricopa 1 North 3 West 19 93 27-401197 4/29/04 Valencia Water Co Westpark Phase 1, Parcel 16N Maricopa 1 North 3 West 19 75 27-401198 4/29/04 Valencia Water Co Y Y Westpark Phase 1, Parcel 17N Maricopa 1 North 3 West 19 144 27-401199 4/29/04 Valencia Water Co Y Y Westpark Phase 1, Parcel 15S Maricopa 1 North 3 West 19 38 27-401200 6/8/04 Valencia Water Co 378 Westpark Phase 2, Parcels 13 & 14 Maricopa 1 North 3 West 19; and 1 North 4 West 24 214 27-401626 3/28/05 Town of Buckeye Y 379 Rancho Vista Maricopa 1 North 3 West 20 264 27-400461 8/17/01 Valencia Water Co N Y 379 Estrella Vista Maricopa 1 North 3 West 20 535 27-400752 8/27/02 Valencia Water Co Apache Farms Maricopa 1 North 3 West 21 277 27-401914 5/23/06 Valencia Water Co Y 380 Tyler Ranch Maricopa 1 North 3 West 21 306 27-401933 3/15/06 Valencia Water Co Y San Madera Maricopa 1 North 3 West 21 489 27-402078 6/4/07 Valencia Water Co Y 381 Siesta Lago Estates Maricopa 1 North 3 West 22 122 27-401938 6/9/06 Town of Buckeye Y 382 Ventana Ranch Maricopa 1 North 3 West 27 963 27-402143 4/2/07 Town of Buckeye Y Montana Vista Maricopa 1 North 3 West 28 283 27-400864 7/15/03 Valencia Water Co Y Riata West Maricopa 1 North 3 West 28 889 27-400874 2/25/04 Valencia Water Co Y Sonoran Vista Maricopa 1 North 3 West 28 543 27-400997 11/24/03 Valencia Water Co N 383 384 385 390 391 Vista Bonita Maricopa 1 North 3 West 28 275 27-500087 5/18/07 Valencia Water Co Y Dove Cove Estates Maricopa 1 North 3 West 29 345 27-400423 3/30/01 Valencia Water Co Y Miller Manor Phase 1 Maricopa 1 North 3 West 29 105 27-400923 8/13/03 Valencia Water Co Y Miller Manor Phase 2 and Phase 3 Maricopa 1 North 3 West 29 165 27-401285 9/20/04 Valencia Water Co Y Y Crystal Vista Maricopa 1 North 3 West 29 311 27-402069 8/7/06 Valencia Water Co Mystic Vista Maricopa 1 North 3 West 29 556 27-402261 11/24/06 Valencia Water Co Y Copper Falls Maricopa 1 North 3 West 30 641 27-402043 10/2/06 Valencia Water Co Y Y Sunset Point Maricopa 1 North 3 West 31 408 27-400374 9/11/00 Valencia Water Co Sunset Point II Maricopa 1 North 3 West 31 304 27-400974 10/20/03 Valencia Water Co Y Buckeye 320, Phase 1 Maricopa 1 North 3 West 31 311 27-401127 2/26/04 Valencia Water Co Y Miller Park Maricopa 1 North 3 West 31 96 27-401945 2/17/06 Valencia Water Co Y Miller Buckeye 80 Maricopa 1 North 3 West 31 286 27-402160 9/21/06 Valencia Water Co Y 392 Blue Hills Maricopa 1 North 3 West 31 229 27-401598 3/2/05 Valencia Water Co Y 393 Valencia Maricopa 1 North 3 West 32 6 27-200371 12/19/88 Valencia Water Co N 393 Buckeye Park Maricopa 1 North 3 West 32 117 27-400265 4/21/00 Valencia Water Co Y 394 Blue Hills Maricopa 1 North 3 West 31 & 32 470 27-400421 3/14/01 Valencia Water Co 395 Cotton Meadows Maricopa 1 North 3 West 28 & 33 877 27-401981 7/6/06 Valencia Water Co Y Westwind, Parcels 1-B, 1-C & 1-D Maricopa 1 North 4 West 21 242 27-402029 3/19/07 Water Utility of Greater Buckeye Y Y 400 Westwind, parcels 1-A & 1-E Maricopa 1 North 4 West 21 143 27-402112 3/19/07 Water Utility of Greater Buckeye 401 Westpark Phase 2 Parcels 7, 8, 19, and 20N Maricopa 1 North 4 West 13 & 24 447 27-402138 10/19/07 Town of Buckeye Y 402 Westpark Phase 2, Parcels 18S & 20S Maricopa 1 North 4 West 24 226 27-401795 11/15/05 Town of Buckeye Y 403 Vista Del Sol Maricopa 1 North 4 West 25 540 27-402083 10/19/07 Town of Buckeye Y 404 Farallon Maricopa 1 North 4 West 36 902 27-401860 5/7/06 Town of Buckeye Y 405 West Phoenix Estates #10,11,12 Maricopa 1 North 4 West 1&6 262 27-200396 6/20/95 Water Utility of Greater Buckeye 406 Montana Vista Maricopa 1 North 5 West 1 52 27-402087 10/2/06 Water Utility of Greater Buckeye Y 408 Phoenix Valley West #1,2 Maricopa 1 North 5 West 4, 6 & 7 579 27-200227 4/22/82 NA N 409 Butterfield Stagecoach Farms Maricopa 1 North 5 West 8, 9, 16 & 17 36 27-300150 11/19/96 NA N 411 Dixie Park Maricopa 1 North 5 West 28 12 27-200104 1/4/81 NA N 415 Buckeye Ranch Maricopa 1 North 6 West 13 201 27-300290 11/17/98 Water Utility of Greater Tonopah Y 416 Villa Rica Maricopa 1 North 1 East 3 132 27-300032 8/4/95 City of Tolleson Y Concord Sundancer Condominiums Maricopa 1 North 1 East 4 NA 27-200076 5/29/85 City of Tolleson N Parkview Casitas Maricopa 1 North 1 East 4 NA 27-200219 6/26/85 City of Tolleson N 417 Section 8.1 Phoenix Active Management Area 192 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County No. of Lots Township 417 Range Section ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Camino Vista Maricopa 1 North 1 East 4 18 27-401664 8/31/05 City of Tolleson Y Coldwater Industrial Park Maricopa 1 North 1 East 9 105 27-200070 11/15/83 City of Tolleson N Mercy Manor Maricopa 1 North 1 East 9 10 27-300551 3/12/99 City of Tolleson Y 419 420 Tolleson Meadows Maricopa Three Rivers Units 1 & 2 Maricopa 1 North 1 North 1 East 10 173 27-401755 10/6/05 City of Tolleson Y 1 East 28 118 27-400338 4/17/01 NA N Terra Ranchette Estates Maricopa 1 North Tonto Forest Estates Maricopa 1 North 1 East 30 23 27-200343 8/16/85 Rigby Water Co N 7 East 1 52 27-400807 11/15/02 Arizona Water Co - Apache Junction The Enclave at Tonto Forest Estates Maricopa 1 North Y 7 East 1 29 27-401967 5/7/07 Arizona Water Co - Apache Junction Encanto Este Maricopa Y 1 North 7 East 11 21 27-401678 6/21/06 Arizona Water Co - Apache Junction Y Vista Montana Maricopa 1 North 7 East 11 20 27-402223 11/6/06 Arizona Water Co - Apache Junction Meridian Hills, Units 1-3 Y Maricopa 1 North 7 East 13 451 27-300078 5/13/96 Arizona Water Co - Apache Junction Y 421 428 429 430 University East Maricopa 1 North 7 East 13 170 27-300300 9/4/97 Arizona Water Co - Apache Junction Y Camberley Place Maricopa 1 North 7 East 13 128 27-300465 10/20/98 Arizona Water Co - Apache Junction Y Adobe Estates Pinal 1 North 7 East 13 123 27-300570 12/15/99 Arizona Water Co - Apache Junction Y Y Salerno Ranch Maricopa 1 North 7 East 13 134 27-400251 12/12/00 Arizona Water Co - Apache Junction Sagewood Maricopa 1 North 7 East 14 34 27-400156 12/14/00 Arizona Water Co - Apache Junction Y Sagewood Unit Two Maricopa 1 North 7 East 14 33 27-400157 12/14/00 Arizona Water Co - Apache Junction Y Superstition Heights Maricopa 1 North 7 East 14 77 27-400182 4/27/00 Arizona Water Co - Apache Junction Y 1/19/05 Arizona Water Co - Apache Junction Y 431 Adobe Meadows Maricopa 1 North 7 East 14 32 27-401537 Desert Vista Estates Maricopa 1 North 7 East 15 72 27-200103 11/23/81 NA N Superstition View Maricopa 1 North 7 East 15 136 27-200340 12/28/82 NA N 435 Cherokee Mobile Estates #3 Maricopa 1 North 7 East 21 76 27-200051 8/14/80 NA N 436 Saguaro East Maricopa 1 North 7 East 22 11 27-200306 5/10/83 NA N 432 437 Merrill Ranch Maricopa 1 North 7 East 23 79 27-400158 4/27/00 Arizona Water Co - Apache Junction Y 438 Signal Butte Manor II Maricopa 1 North 7 East 24 237 27-400136 1/19/00 Arizona Water Co - Apache Junction Y 438 Signal Butte Manor III Maricopa 1 North 7 East 24 78 27-400462 8/24/01 Arizona Water Co - Apache Junction Y Arizona Water Co - Apache Junction Y Parkwood East Maricopa 1 North 7 East 25 322 27-300381 7/9/98 Parkwood East II Maricopa 1 North 7 East 25 178 27-300383 7/10/98 Arizona Water Co - Apache Junction Y Y 439 440 Signal Butte Manor Maricopa 1 North 7 East 25 121 27-300571 5/17/99 Arizona Water Co - Apache Junction Silverwood Units I & II Maricopa 1 North 7 East 25 129 27-400077 8/22/00 Arizona Water Co - Apache Junction Y Coralbell Estates Maricopa 1 North 7 East 27 12 27-200079 2/6/81 NA N Superstition Country #5 Maricopa 1 North 7 East 27 99 27-200338 2/6/81 NA N Superstition Country V, Unit 4 Maricopa 1 North 7 East 27 18 27-200339 6/1/83 NA N 444 Superstition Mountain Estates Pinal 1 North 8 East 15 20 27-401856 3/8/06 Arizona Water Co - Apache Junction Y 445 Idaho Creek Villas Pinal 1 North 8 East 17 244 27-401255 9/23/04 Arizona Water Co - Apache Junction Y Lost Dutchman Gardens Maricopa 1 North 8 East 18 35 27-400159 4/14/00 Arizona Water Co - Apache Junction Y Y 446 Ironwood Trails Pinal 1 North 8 East 18 18 27-402018 4/25/06 Arizona Water Co - Apache Junction Renaissance Park-Apache Junction Pinal 1 North 8 East 20 140 27-300319 9/4/97 Arizona Water Co - Apache Junction Y Sierra Entrada Garden Homes, Unit II Maricopa 1 North 8 East 20 8 27-400040 10/6/99 Arizona Water Co - Apache Junction Y Y Y 447 448 Sierra Entrada Garden Homes Unit 4 Pinal 1 North 8 East 20 15 27-401057 5/18/04 Arizona Water Co - Apache Junction The Village @ Ironwood Townhomes Pinal 1 North 8 East 20 29 27-402281 2/26/07 Arizona Water Co - Apache Junction Broadway San Marcos Subdivision Pinal 1 North 8 East 20 84 27-401858 8/1/06 Arizona Water Co - Apache Junction Y Y Broadway Homes Pinal 1 North 8 East 24 11 27-300171 10/7/96 Arizona Water Co - Apache Junction Arroyo Vista Estates Pinal 1 North 8 East 24 26 27-401623 4/12/05 Arizona Water Co - Apache Junction Y Ironwood & Southern Pinal 1 North 8 East 29 562 27-300293 8/7/97 Arizona Water Co - Apache Junction N 449 450 Ironwood Cove II Pinal 1 North 8 East 29 34 27-300415 5/21/98 Arizona Water Co - Apache Junction Y San Marcos Crossing Pinal 1 North 8 East 29 28 27-401056 3/24/04 Arizona Water Co - Apache Junction Y Monterey Casitas Pinal 1 North 8 East 29 10 27-401621 5/6/05 Arizona Water Co - Apache Junction Y Y Lantana Villas Pinal 1 North 8 East 29 24 27-401955 2/28/06 Arizona Water Co - Apache Junction Renaissance Point Pinal 1 North 8 East 30 215 27-300107 2/3/97 Arizona Water Co - Apache Junction Y Renaissance Point - Parcel 1, Phase 1 Pinal 1 North 8 East 30 76 27-300108 7/9/96 Arizona Water Co - Apache Junction Y 451 193 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County No. of Lots Township Range Section ADWR File No. Date of Determination 453 Pinal 1 North 8 East 30 6 27-300145 7/22/96 Arizona Water Co - Apache Junction Y Meridian Manor Pinal 1 North 8 East 30 445 27-300165 11/20/96 Arizona Water Co - Apache Junction Y Vista Grande Pinal 1 North 8 East 30 96 27-300425 5/6/98 Arizona Water Co - Apache Junction Y N Apache Dream Townhomes Pinal 1 North 8 East 30 30 27-400210 4/27/00 Arizona Water Co - Apache Junction Apache Dream Townhomes Pinal 1 North 8 East 30 30 27-400511 8/9/01 Arizona Water Co - Apache Junction Y Casa Villa Subdivision Pinal 1 North 8 East 30 38 27-402139 8/14/06 Arizona Water Co - Apache Junction Y Ironwood Estates Pinal 1 North 8 East 31 210 27-300378 4/7/98 Arizona Water Co - Apache Junction Y Arizona Water Co - Apache Junction Y Superstition Highlands Pinal 1 North 9 East 30 104 27-300102 5/16/96 Ponderosa at Superstition Foothills Pinal 1 North 9 East 31 81 27-300362 1/16/98 Arizona Water Co - Apache Junction Y 1/1/98 Arizona Water Co - Apache Junction Y Acacia at Superstition Foothills Pinal 1 North 9 East 31 18 27-300363 Parcel 7 at Superstition Foothills Pinal 1 North 9 East 31 9 27-300396 8/31/98 Arizona Water Co - Apache Junction N Parcel 8 at Superstition Foothills Pinal 1 North 9 East 31 33 27-300397 8/31/98 Arizona Water Co - Apache Junction N Parcel 9 at Superstition Foothills Pinal 1 North 9 East 31 26 27-300398 8/31/98 Arizona Water Co - Apache Junction N Sycamore Village at Superstition Fthls Pinal 1 North 9 East 31 34 27-300543 2/26/99 Arizona Water Co - Apache Junction N N 454 Peralta Pinal 1 North 9 East 31 47 27-300593 10/18/00 Arizona Water Co - Apache Junction Parcel 6 at Superstition Foothills Pinal 1 North 9 East 31 37 27-400696 8/26/02 Arizona Water Co - Apache Junction Y Cottonwood Village at Superstition Fthls Pinal 1 North 9 East 31 11 27-300544 2/26/99 Arizona Water Co - Apache Junction N Parcel 5 at Superstition Foothills Pinal 1 North 9 East 31 65 27-300605 5/12/99 Arizona Water Co - Apache Junction N Parcel 16 at Superstition Foothills Pinal 1 North 9 East 31 & 32 88 27-401066 3/1/04 Arizona Water Co - Apache Junction Y Parcel 12 at Superstition Foothills Pinal 1 North 9 East 31 & 32 41 27-300604 5/12/99 Arizona Water Co - Apache Junction N Sunset Village at Superstition Foothills Pinal 1 North 9 East 31 & 32 41 27-400302 1/2/00 Arizona Water Co - Apache Junction Y Quail Canyon Pinal 1 North 9 East 32 40 27-300540 3/24/99 Arizona Water Co - Apache Junction Y Estates at Superstition Mountain Pinal 1 North 9 East 32 28 27-400166 5/30/00 Arizona Water Co - Apache Junction Y Canyon View Estates at Superstition Foothills Pinal 1 North 9 East 32 21 27-400310 10/13/00 Arizona Water Co - Apache Junction N The Casitas at First Water Village at Superstition Pinal 1 North 9 East 32 72 27-400669 5/24/02 Arizona Water Co - Apache Junction N Y 455 456 457 458 GRD Member Renaissance Point - Parcel 1, Phase 2 451 452 Water Provider at the Time of Application Parcels 21 and 21A at Superstition Foothills Pinal 1 North 9 East 32 68 27-400828 1/24/03 Arizona Water Co - Apache Junction Lost Gold Estates Unit I at Superstition Foothills Pinal 1 North 9 East 32 26 27-300585 7/20/00 Arizona Water Co - Apache Junction Y Lost Gold Estates Unit II at Superstition Foothills Pinal 1 North 9 East 32 23 27-300587 7/20/00 Arizona Water Co - Apache Junction Y Lost Gold Estates Unit III at Superstition Foothills Pinal 1 North 9 East 32 15 27-400027 7/20/00 Arizona Water Co - Apache Junction N Y N Silver Cholla Estates at Superstition Foothills Pinal 1 North 9 East 32 34 27-700349 2/5/08 Arizona Water Co - Apache Junction 459 Pasion En La Colina Del Cascabel Pinal 1 South 4 East 4 37 27-400337 6/21/00 Arizona Water Co - Apache Junction 460 Sunrise Canyon Pinal 1 South 8 East 29 81 27-400146 8/26/99 Arizona Water Co - Apache Junction N 472 Sunland Village East Maricopa 1 South 7 East 5 314 27-200333 1/24/84 Turner Ranches Water Sewer Co N 474 Superstition View Ranchettes Pinal 1 South 8 East 31 13 27-300013 5/22/95 NA N Gold Canyon East Pinal 1 South 9 East 4 123 27-300119 5/21/96 Arizona Water Co - Apache Junction Y Mountain Whisper Pinal 1 South 9 East 4 39 27-300546 3/24/99 Arizona Water Co - Apache Junction Y N 475 476 477 Coyote Call Pinal 1 South 9 East 4 125 27-300577 7/9/99 Arizona Water Co - Apache Junction Purple Sage II Pinal 1 South 9 East 4 32 27-300578 7/9/99 Arizona Water Co - Apache Junction N Purple Sage III Pinal 1 South 9 East 4 32 27-300579 7/9/99 Arizona Water Co - Apache Junction Y Horse Whisper (Hieroglyphic Trails) Pinal 1 South 9 East 4 24 27-400128 2/10/00 Arizona Water Co - Apache Junction Y Barkley Hill (Apacheland II) Pinal 1 South 9 East 4 26 27-400216 5/30/00 Arizona Water Co - Apache Junction Y Gold Canyon Ranch, Phase 4 Pinal 1 South 9 East 5 143 27-300220 1/29/98 Arizona Water Co - Apache Junction Y Parcel 24 East at Gold Canyon Ranch Pinal 1 South 9 East 6 103 27-300255 5/27/97 Arizona Water Co - Apache Junction Y Parcel 22 West at Gold Canyon Ranch Pinal 1 South 9 East 6 70 27-300301 7/9/97 Arizona Water Co - Apache Junction Y Parcel 24 West at Gold Canyon Ranch Pinal 1 South 9 East 6 103 27-300302 11/3/97 Arizona Water Co - Apache Junction N Parcel 25 North at Gold Canyon Ranch Pinal 1 South 9 East 6 79 27-300314 8/8/97 Arizona Water Co - Apache Junction Y Parcel 22 East at Gold Canyon Ranch Pinal 1 South 9 East 6 94 27-300315 8/8/97 Arizona Water Co - Apache Junction Y Y Parcel 25 South at Gold Canyon Ranch Pinal 1 South 9 East 6 72 27-300332 3/11/98 Arizona Water Co - Apache Junction Superstition Foothills Parcel 26 2-A Pinal 1 South 9 East 6 46 27-400114 11/2/99 Arizona Water Co - Apache Junction N Superstition Foothills Parcel 23A Pinal 1 South 9 East 6 28 27-400115 11/12/99 Arizona Water Co - Apache Junction Y Superstition Foothills Parcel 28B Pinal 1 South 9 East 6 103 27-400116 1/28/00 Arizona Water Co - Apache Junction Y Section 8.1 Phoenix Active Management Area 194 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key 477 478 Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Y Superstition Foothills Parcel 27B Pinal 1 South 9 East 6 43 27-400117 11/12/99 Arizona Water Co - Apache Junction Superstition Foothills Parcel 23B Pinal 1 South 9 East 6 26 27-400118 11/12/99 Arizona Water Co - Apache Junction Y Superstition Foothills Parcel 26C Pinal 1 South 9 East 6 51 27-400119 2/10/00 Arizona Water Co - Apache Junction N Superstition Foothills Parcel 26B Pinal 1 South 9 East 6 96 27-400120 11/2/99 Arizona Water Co - Apache Junction N Superstition Foothills Parcel 28A Pinal 1 South 9 East 6 75 27-400121 11/2/99 Arizona Water Co - Apache Junction Y Superstition Foothills Parcel 26 1-A Pinal 1 South 9 East 6 17 27-400122 11/12/99 Arizona Water Co - Apache Junction N Superstition Foothills Parcel 27A Pinal 1 South 9 East 6 58 27-400123 2/10/00 Arizona Water Co - Apache Junction Y N Parcel 16A & 17 at Mountainbrook Village Pinal 1 South 9 East 7 106 27-300278 6/24/97 Arizona Water Co - Apache Junction Parcel 18 at Mountainbrook Village Pinal 1 South 9 East 7 94 27-300349 3/2/98 Arizona Water Co - Apache Junction Y 4/20/99 Arizona Water Co - Apache Junction Y 3/25/97 Arizona Water Co - Apache Junction Y Y Parcel 15 at Mountainbrook Village Foothills at Gold Canyon Ranch, The Pinal Pinal 1 South 1 South 9 East 9 East 7 8 68 108 27-300519 27-300246 Sunrise at Gold Canyon Pinal 1 South 9 East 8 161 27-300373 1/29/98 Arizona Water Co - Apache Junction Vista Point at Gold Canyon Ranch Pinal 1 South 9 East 8 85 27-300449 4/14/99 Arizona Water Co - Apache Junction Y Sierra Vista at Gold Canyon Ranch Pinal 1 South 9 East 8 115 27-300458 4/19/00 Arizona Water Co - Apache Junction Y Estates at Gold Canyon, The Pinal 1 South 9 East 8 33 27-300479 5/12/99 Arizona Water Co - Apache Junction Y Sierra Vista at Gold Canyon Ranch Pinal 1 South 9 East 8 116 27-400307 10/1/98 Arizona Water Co - Apache Junction N 480 Phase 4-Parcel 3 @Gold Canyon E Pinal 1 South 9 East 9 11 27-400047 3/31/99 Arizona Water Co - Apache Junction N 481 Peralta Preserve Units I, II and III Pinal 1 South 9 East 16 832 27-400161 1/12/99 Arizona Water Co - Apache Junction Y 482 Parcel 3 at Superstition Foothills Pinal 1 South 9 East 31 32 27-300269 9/4/97 Arizona Water Co - Apache Junction N 483 Petroglyph Estates @Superstition Foothills Pinal 1 South 9 East 32 55 27-400315 10/13/00 Arizona Water Co - Apache Junction N N 479 484 Parcel 13 at Superstition Foothills Pinal 1 South 9 East 31 & 32 10 27-300403 11/10/98 Arizona Water Co - Apache Junction 485 Vista del Corazon Pinal 1 South 9 East 4&5 153 27-300226 12/26/96 Arizona Water Co - Apache Junction Y 486 Parcel 19 at Mountainbrook Village Pinal 1 South 9 East 6&7 197 27-300350 4/20/98 Arizona Water Co - Apache Junction Y Parcel 11 at Mountainbrook Village Pinal 1 South 9 East 7&8 110 27-300099 7/8/96 Arizona Water Co - Apache Junction N Parcels 10 and 14B/C at Mountainbrook Pinal 1 South 9 East 7&8 199 27-300348 3/2/98 Arizona Water Co - Apache Junction N 488 Phase 1 at Entrada Del Oro Pinal 1 South 10 East 30 372 27-400810 12/15/03 Arizona Water Co - Apache Junction Y 489 Magma Copper Company Pinal 1 South 12 East 35 & 36 271 27-200192 9/23/88 Arizona Water Co - Superior N 487 490 Norte Vista Maricopa 1 South 2 West 5 39 27-400292 4/4/01 Town of Buckeye Y Southwest Desert Estates Maricopa 1 South 2 West 17 32 27-400205 1/18/01 Clearwater Utilities Y Southwest Desert Estates Two Maricopa 1 South 2 West 17 32 27-401878 5/3/07 Clearwater Utilities Y Paloma Estates Maricopa 1 South 2 West 17 133 27-700341 11/27/07 Clearwater Utilities Y 493 Rainbow Valley Ranch Maricopa 1 South 2 West 18 & 19 49 27-400561 5/2/02 Clearwater Utilities Y 494 Wingate and Wingate East Maricopa 1 South 3 West 3 904 27-401994 4/13/07 Town of Buckeye Y 495 Ironwood Vista Maricopa 1 South 3 West 4 113 27-400346 10/18/00 Town of Buckeye Y 496 Mountain View Estates Maricopa 1 South 3 West 5 161 27-401522 3/31/05 Town of Buckeye Y 496 Camelot Condominium Maricopa 1 South 3 West 5 80 27-402051 5/23/06 Town of Buckeye Y Parkside at Buckeye Maricopa 1 South 3 West 6 214 27-400395 12/11/00 Town of Buckeye Y Terravista Maricopa 1 South 3 West 6 317 27-400465 6/13/02 Town of Buckeye Y ParkPlace at Buckeye Maricopa 1 South 3 West 6 267 27-401536 1/13/05 Town of Buckeye Y 491 497 Encantada Estates Maricopa 1 South 3 West 6 307 27-401601 6/30/05 Town of Buckeye Y 498 Painted Rock Maricopa 1 South 3 West 8 122 27-401634 8/30/05 Town of Buckeye Y 499 White Fence Farms Maricopa 1 South 3 West 10 59 27-401888 5/22/06 Town of Buckeye Y Y 500 Sienna Condominiums Maricopa 2 South 4 East 11 274 27-400843 12/19/02 Arizona American Water Company Paradise Valley 501 Oakwood Hills Maricopa 2 South 5 East 28 NA 27-200212 7/22/86 NA N N 501 Sun Lakes Maricopa 2 South 5 East 28 558 27-200325 7/3/86 Pima Utilities Santan Vista Phase I Maricopa 2 South 5 East 34 155 27-400129 11/9/99 Pima Utilities N Santan Vista Unit 2 Maricopa 2 South 5 East 34 189 27-400648 5/10/02 Pima Utilities N 502 503 Sun Lakes #26,29-49 Maricopa 2 South 5 East 29, 30 & 33 4,230 27-200327 8/30/90 Pima Utilities N 504 Sun Lakes #09A, 41 Maricopa 2 South 5 East 30 & 31 140 27-200326 6/22/95 Pima Utilities N 506 Santan Vistas Maricopa 2 South 6 East 24 215 27-200312 8/28/81 NA N 195 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range No. of Lots ADWR File No. Date of Determination Section Water Provider at the Time of Application GRD Member 507 Vaquero Estates Maricopa 2 South 6 East 24 112 27-700373 4/11/08 Queen Creek Water Co Y 508 Brekanwood Estates Maricopa 2 South 6 East 35 47 27-400919 7/28/03 Chandler Heights Citrus ID Y 509 Sonterra Maricopa 2 South 6 East 36 19 27-402030 5/19/06 Chandler Heights Citrus ID Y 510 Chandler Heights #1 Maricopa 2 South 6 East 23 & 26 NA 27-200048 3/1/82 NA N Queens Park (1980) Maricopa 2 South 7 East 4 133 27-200269 11/17/80 Queen Creek Water Co N Queens Park (1993) Maricopa 2 South 7 East 4 133 27-200270 4/5/93 Queen Creek Water Co N Cortina Maricopa 2 South 7 East 7 965 27-400582 7/22/02 Queen Creek Water Co Y Cortina Parcels 12 & 13 Maricopa 2 South 7 East 7 224 27-402137 6/26/06 Queen Creek Water Co Y Sossaman Estates Parcel F Maricopa 2 South 7 East 7 & 18 48 27-400562 12/16/02 Queen Creek Water Co N Sossaman Estates Maricopa 2 South 7 East 7 & 18 674 27-400291 1/18/01 Queen Creek Water Co Y Emperor Estates Phases 1 & 2 Maricopa 2 South 7 East 8 479 27-400751 9/27/02 Queen Creek Water Co Y Emperor Estates Phase 3 Maricopa 2 South 7 East 8 178 27-401618 4/20/05 Queen Creek Water Co Y La Jara Farms Maricopa 2 South 7 East 8 93 27-401988 3/24/06 Queen Creek Water Co Y Emperor Estates IV Maricopa 2 South 7 East 8 187 27-402085 6/12/06 Queen Creek Water Co Y 511 512 513 514 Crismon Ranch Estates Maricopa 2 South 7 East 14 19 27-300073 6/14/96 Queen Creek Water Co Y Crismon Meadows Maricopa 2 South 7 East 14 45 27-401298 10/29/04 Queen Creek Water Co Y Crismon Heights Maricopa 2 South 7 East 14 250 27-401348 12/17/04 Queen Creek Water Co Y Charleston Estates Maricopa 2 South 7 East 14 331 27-402184 8/28/06 Queen Creek Water Co Y Queenland Manor Maricopa 2 South 7 East 15 366 27-400141 11/12/99 Queen Creek Water Co Y 515 516 Langley Gateway Estates Unit II Maricopa 2 South 7 East 15 338 27-401147 2/17/04 Queen Creek Water Co Y Emperor Estates aka Nauvoo Station Maricopa 2 South 7 East 15 478 27-401964 5/7/06 Queen Creek Water Co Y 517 Victoria Parcels 10, 11 & 11A Maricopa 2 South 7 East 16 345 27-401531 3/22/05 Queen Creek Water Co Y 518 Victoria PAD Parcels 5 & 9 Maricopa 2 South 7 East 16 255 27-700277 1/31/08 Queen Creek Water Co Y 519 520 Emans Estates Maricopa 2 South 7 East 17 8 27-300318 9/15/98 Queen Creek Water Co Y Roman Estates #1,2 Maricopa 2 South 7 East 17 52 27-300391 6/15/98 Queen Creek Water Co N Arroyo De La Reina Maricopa 2 South 7 East 17 30 27-300395 4/2/98 Queen Creek Water Co Y Roman Estates # 3 Maricopa 2 South 7 East 17 20 27-400147 3/21/00 Queen Creek Water Co Y Roman Estates #6 Maricopa 2 South 7 East 17 13 27-400294 5/30/00 Queen Creek Water Co Y Roman Estates #4 Maricopa 2 South 7 East 17 29 27-400321 4/27/01 Queen Creek Water Co Y Egyptian Valley Phase I Maricopa 2 South 7 East 17 74 27-400358 8/28/03 Queen Creek Water Co Y Egyptian Valley Phase II Maricopa 2 South 7 East 17 96 27-400359 8/28/03 Queen Creek Water Co Y Victoria, Phase 2, Parcel 1 Maricopa 2 South 7 East 17 45 27-401058 1/8/04 Queen Creek Water Co Y Roman Estates, Phase V Maricopa 2 South 7 East 17 16 27-401636 4/26/05 Queen Creek Water Co Y Roman Estates Phase VII Maricopa 2 South 7 East 17 12 27-401637 4/21/05 Queen Creek Water Co Y Lucia at Queen Creek Maricopa 2 South 7 East 17 105 27-401952 5/19/06 Queen Creek Water Co Y Villagio Maricopa 2 South 7 East 17 135 27-700396 11/1/07 Queen Creek Water Co Y Queen Creek Ranchettes Maricopa 2 South 7 East 20 109 27-200266 1/13/89 Queen Creek Water Co N Circle G at Queen Creek #1 Maricopa 2 South 7 East 20 40 27-300057 3/7/96 Queen Creek Water Co Y Circle G at Queen Creek Unit II Maricopa 2 South 7 East 20 37 27-300191 12/20/96 Queen Creek Water Co Y Circle G at Queen Creek Unit II-A Maricopa 2 South 7 East 20 16 27-300245 5/27/97 Queen Creek Water Co Y Y Queen Creek Ranchettes III Maricopa 2 South 7 East 20 59 27-300339 11/3/97 Queen Creek Water Co Circle G at Queen Creek Unit III Maricopa 2 South 7 East 20 27 27-300417 6/18/98 Queen Creek Water Co Y Circle G at Queen Creek, Unit 4 Maricopa 2 South 7 East 20 69 27-400007 7/22/99 Queen Creek Water Co Y Will Roger's Equestrian Rnch, U I,II,III Maricopa 2 South 7 East 21 125 27-300297 8/1/97 Queen Creek Water Co Y Terra Ranch at Queen Creek Maricopa 2 South 7 East 21 56 27-400339 3/15/01 Queen Creek Water Co Y 521 Montelena Maricopa 2 South 7 East 21 403 27-401074 1/6/04 Queen Creek Water Co Y Circle G at Ellsworth Estates Maricopa 2 South 7 East 21 82 27-401855 4/27/06 Queen Creek Water Co Y Las Villas del Ray Maricopa 2 South 7 East 22 23 27-200178 3/7/89 Queen Creek Water Co N Indigo Trails Maricopa 2 South 7 East 22 221 27-401213 7/22/04 Queen Creek Water Co Y Ocotillo Landing Maricopa 2 South 7 East 22 171 27-401572 4/6/05 Queen Creek Water Co Y Hastings Farms Parcel G Maricopa 2 South 7 East 22 36 27-402035 6/16/06 H2O Water Co Y 522 Section 8.1 Phoenix Active Management Area 196 Arizona Water Atlas Volume 8 1 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA B. Water Adequacy Reports Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. ADWR Adequacy Determination2 Date of Determination Water Provider at the Time of Application 16 Fountain Hills Plat 106 Maricopa 6 North 3 East 10 49 53-500686 Adequate 5/9/74 Chaparral City Water Co 17 Fountain Hills Plat 106 Maricopa 6 North 3 East 11 49 53-500686 Adequate 5/9/74 Chaparral City Water Co Village at Cave Creek #2 Maricopa 6 North 4 East 27 28 53-501630 Adequate 8/14/79 Cave Creek Water Co Village at Cave Creek, The Maricopa 6 North 4 East 27 10 53-501631 Adequate 1/3/79 Cave Creek Water Co Cave Creek Water Co 30 34 Rancho Villas Maricopa 6 North 4 East 28 40 53-501275 Adequate 8/20/74 Canyon Ridge Homes Maricopa 6 North 4 East 35 25 53-500392 Adequate 3/17/80 Carefree Water Co Carefree Condominiums So & No Maricopa 6 North 4 East 35 20 53-500394 Adequate 3/24/78 Carefree Water Co 40 Carefree Villas Maricopa 6 North 4 East 35 13 53-500397 Adequate 6/13/73 Carefree Water Co Posada del Sol Maricopa 6 North 4 East 35 10 53-501211 Adequate 6/20/74 Carefree Water Co 47 Ranch Highlands Maricopa 6 North 5 East 19 55 53-501247 Adequate 12/31/79 NA 48 Carefree Hills Maricopa 6 North 5 East 28 52 53-500395 Adequate 4/19/74 NA 49 Carefree Rolling Hills Maricopa 6 North 5 East 31 73 53-500396 Adequate 8/17/73 Carefree Water Co 55 Vista Heights Maricopa 6 North 5 East 28 & 33 111 53-501649 Adequate 8/9/79 NA 59 Chaparral Rancheros #2 Maricopa 5 North 2 West 31 124 53-500443 Adequate 9/25/73 Hassayampa Water Co-op 80 Boulders Carefree, The #04 Maricopa 5 North 4 East 3 93 53-500349 Adequate 8/7/74 Carefree Water Co Saguaro West #2 Maricopa 5 North 4 East 8 40 53-501352 Adequate 2/28/75 NA 84 Saguaro West #4 Maricopa 5 North 4 East 8 6 53-501353 Adequate 7/27/78 NA Saguaro West #4A Maricopa 5 North 4 East 8 18 53-501354 Adequate 9/26/78 NA 85 La Tierra Prometida Maricopa 5 North 4 East 17 64 53-500866 Adequate 10/31/73 NA 88 Desert Vista Trails Maricopa 5 North 4 East 28 65 53-500591 Adequate 3/12/75 NA 92 Desert Ranch Maricopa 5 North 5 East 5&7 36 53-500573 Adequate 4/26/76 NA 140 Sunrise #3 Maricopa 4 North 1 East 10 29 53-501504 Adequate 3/20/74 Sunrise Water Co 143 Sunrise #4 Maricopa 4 North 1 East 15 17 53-501505 Adequate 12/31/77 Sunrise Water Co 155 Park View Estates Maricopa 4 North 2 East 8 40 53-501123 Adequate 4/18/80 NA Saddleback Estates Maricopa 4 North 2 East 8 39 53-501348 Adequate 2/6/78 NA Saddleback Hills Maricopa 4 North 2 East 8 42 53-501350 Adequate 12/24/79 NA Chaparral Maricopa 4 North 2 East 32 249 53-500436 Adequate 6/18/73 Consolidated Water Utility 156 157 Bellair #1 Maricopa 4 North 2 East 33 175 53-500316 Adequate 5/18/73 Consolidated Water Utility Bellair #1 Phase 2 Maricopa 4 North 2 East 33 170 53-500317 Adequate 9/10/74 Consolidated Water Utility Knoell North Nine Maricopa 4 North 2 East 35 132 53-500842 Adequate 6/12/73 NA 158 Knoell North Nine Maricopa 4 North 2 East 35 216 53-500843 Adequate 5/21/74 NA Knoell North Nine #1 Maricopa 4 North 2 East 35 199 53-500844 Adequate 6/4/73 NA 159 Union Hills Manor Maricopa 4 North 2 East 35 169 53-501590 Adequate 10/30/74 Consolidated Water Utility 160 Woodridge Maricopa 4 North 2 East 36 156 53-501707 Adequate 8/21/73 Consolidated Water Utility 162 Desert Valley Estates Maricopa 4 North 3 East 30 282 53-500587 Adequate 10/5/73 Consolidated Water Utility 163 Happy Valley Ranch Maricopa 4 North 4 East 1 115 53-500772 Adequate 10/25/77 NA 163 Happy Valley Ranch #2 Maricopa 4 North 4 East 1 73 53-500773 Adequate 10/31/78 NA 164 Pinnacle Peak Estates #3 Maricopa 4 North 4 East 12 235 53-501181 Adequate 2/4/80 NA Pinnacle Peak Country Club Maricopa 4 North 4 East 13 56 53-501175 Adequate 9/25/78 NA Pinnacle Peak Country Club #1 Maricopa 4 North 4 East 13 30 53-501176 Adequate 12/2/76 NA Pinnacle Peak Country Club #2 Maricopa 4 North 4 East 13 25 53-501177 Adequate 12/13/76 NA Pinnacle Peak Country Club #3 Maricopa 4 North 4 East 13 26 53-501178 Adequate 4/11/77 NA Pinnacle Peak Country Club #4 Maricopa 4 North 4 East 13 34 53-501179 Adequate 10/25/77 NA Pinnacle Peak Country Club #5 Maricopa 4 North 4 East 13 47 53-501180 Adequate 10/25/77 NA 165 197 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 1 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA B. Water Adequacy Reports Location Map Key Subdivision Name No. of Lots ADWR File No. ADWR Adequacy Determination2 Date of Determination Water Provider at the Time of Application 8 21 53-501182 Adequate 6/27/74 NA County Township Range Section Pinnacle Peak Heights Maricopa 4 North 5 East Pinnacle Peak Heights #3,4 Maricopa 4 North 5 East 8 20 53-501184 Adequate 6/12/79 NA Pinnacle Peak Heights #2 Maricopa 4 North 5 East 17 35 53-501183 Adequate 4/8/77 NA Pinnacle Peak Shadows #1 Maricopa 4 North 5 East 18 48 53-501185 Adequate 2/10/77 NA Pinnacle Peak Shadows #2 Maricopa 4 North 5 East 18 38 53-501186 Adequate 4/27/78 NA Rio Verde #2 Maricopa 4 North 7 East 6 68 53-501312 Adequate 8/24/77 Rio Verde utilities Rio Verde #3A,4 Maricopa 4 North 7 East 6 97 53-501313 Adequate 8/22/75 Rio Verde utilities Rio Verde #4 Maricopa 4 North 7 East 6 18 53-501314 Adequate 7/20/79 Rio Verde utilities Rio Verde #5 Maricopa 4 North 7 East 6 50 53-501315 Adequate 12/20/76 Rio Verde utilities Rio Verde #5A,7 Maricopa 4 North 7 East 6 108 53-501316 Adequate 6/23/78 Rio Verde utilities Rio Verde #6A Maricopa 4 North 7 East 6 43 53-501317 Adequate 4/7/78 Rio Verde utilities Rio Verde 2,3 Maricopa 4 North 7 East 6 259 53-501318 Adequate 4/19/74 Rio Verde utilities 167 168 169 171 Rio Verde Model Park #1 Maricopa 4 North 7 East 6 10 53-501320 Adequate 7/9/74 Rio Verde utilities 173 Rio Verde #1 Maricopa 4 North 7 East 32 78 53-501311 Adequate 6/27/73 Rio Verde utilities 175 North Surprise #3 Maricopa 3 North 1 West 2 8 53-501053 Adequate 5/2/74 City of El Mirage Sierra Bonita Maricopa 3 North 3 East 25 62 53-501393 Adequate 11/7/73 NA Sierra Bonita Maricopa 3 North 3 East 25 24 53-501394 Adequate 4/17/74 NA 210 212 Estate Ranchos Maricopa 3 North 1 East 12 14 53-500620 Adequate 5/6/74 City of Peoria 214 Suntown #4 Maricopa 3 North 1 East 25 161 53-501526 Adequate 10/25/73 City of Peoria 216 La Hacienda Maricopa 3 North 1 East 32 84 53-500855 Adequate 7/27/78 NA 217 Park Place North Maricopa 3 North 2 East 4 248 53-501111 Adequate 5/22/74 Consolidated Water Utility 218 Patterson Ranch Maricopa 3 North 2 East 12 66 53-501126 Adequate 6/7/73 NA 219 Avant One #4,5 Maricopa 3 North 4 East 16 171 53-500303 Adequate 9/26/73 NA Paradise Valley Palms Maricopa 3 North 4 East 19 73 53-501106 Adequate 5/16/74 NA 220 Shadow Ridge Maricopa 3 North 4 East 19 97 53-501385 Adequate 4/17/74 NA Las Haciendas Maricopa 3 North 4 East 20 41 53-500895 Adequate 2/13/74 NA Roc Farms Estates Maricopa 3 North 4 East 20 20 53-501340 Adequate 11/5/73 NA 222 Equestrian Manor #2 Maricopa 3 North 4 East 21 54 53-500615 Adequate 2/21/74 NA 223 Scottsdale Country Club Maricopa 3 North 4 East 23 8 53-501379 Adequate 5/29/73 NA 224 Quail Hollow Maricopa 3 North 4 East 29 0 53-501234 Inadequate 4/11/77 Arizona American Water Company Paradise Valley 221 225 Tatum Canyon Maricopa 3 North 4 East 31 72 53-501539 Adequate 6/6/75 NA Mockingbird Lane Estates #6 Maricopa 3 North 4 East 32 33 53-500992 Adequate 1/24/74 NA 226 Vista Rica #1 Maricopa 3 North 4 East 32 11 53-501653 Adequate 7/9/74 NA Camelback Country Club Est #6 Maricopa 3 North 4 East 34 19 53-500378 Inadequate 8/4/76 Berneil Water Co Camelback Country Club Est. #5 Maricopa 3 North 4 East 34 25 53-500379 Inadequate 4/5/76 Berneil Water Co Camelback Country Estates Maricopa 3 North 4 East 34 46 53-500380 Inadequate 10/9/79 Berneil Water Co Century North Maricopa 3 North 5 East 16 167 53-500433 Adequate 10/3/74 NA La Vida Buena Condominiums Maricopa 3 North 6 East 15 71 53-500867 Inadequate 11/30/78 Chaparral City Water Co Park Palisades #2 Maricopa 3 North 6 East 15 52 53-501109 Inadequate 5/6/81 Chaparral City Water Co 230 Fountain Hills 604A, 605C, 605D Maricopa 3 North 6 East 21 216 53-500685 Adequate 1/14/75 Chaparral City Water Co 231 Los Quintos Maricopa 3 North 6 East 23 5 53-500928 Inadequate 4/30/81 Chaparral City Water Co 232 Clear Aire Maricopa 3 North 6 East 26 60 53-500467 Inadequate 1/3/79 Chaparral City Water Co 232 Paradise Heights Maricopa 3 North 6 East 26 32 53-501105 Adequate 8/8/73 NA 233 Courtside Villas Maricopa 3 North 6 East 10 & 11 118 53-500537 Inadequate 4/9/79 Chaparral City Water Co 227 228 229 Section 8.1 Phoenix Active Management Area 198 Arizona Water Atlas Volume 8 1 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA B. Water Adequacy Reports Location Map Key 234 Subdivision Name Park Palisades Resort Condos County Maricopa Township Range Section 3 North 6 East 10 & 15 No. of Lots ADWR File No. ADWR Adequacy Determination2 Date of Determination Water Provider at the Time of Application 18 53-501110 Inadequate 2/4/80 Chaparral City Water Co 235 La Fuenta Condominiums Maricopa 3 North 6 East 14 & 15 41 53-500854 Inadequate 12/14/78 Chaparral City Water Co 236 Fountain Hills Plat 602B,C,D Maricopa 3 North 6 East 15 & 16 83 53-500680 Inadequate 11/4/77 Chaparral City Water Co 237 Fountain Hills 601B (1978) Maricopa 3 North 6 East 2, 6 & 27 476 53-500683 Inadequate 7/11/78 Chaparral City Water Co 238 Fountain Hills Plat 605-A Maricopa 3 North 6 East 21 & 22 107 53-500681 Inadequate 2/17/78 Chaparral City Water Co Fountain Hills 601A, 603B&C, 605B Maricopa 3 North 6 East 9, 15 & 16 402 53-500682 Adequate 3/14/74 Chaparral City Water Co Fountain Hills 601B (1979) Maricopa 3 North 6 East 9, 15 & 16 93 53-500684 Inadequate 10/5/79 Chaparral City Water Co 239 269 Clearwater Farms Maricopa 2 North 2 West 3 303 53-500469 Inadequate 5/22/81 Arizona American Water Co - Agua Fria 289 Valencia Village #2 Maricopa 2 North 2 West 32 12 53-501594 Adequate 8/5/75 Arizona Water Co - White Tanks 322 Maryvale Ranchettes Maricopa 2 North 1 East 21 30 53-500937 Adequate 10/2/75 NA Braewood Park Maricopa 2 North 1 East 27 335 53-500353 Adequate 5/8/75 NA Braewood Park #2 Maricopa 2 North 1 East 27 50 53-500354 Adequate 3/31/76 NA Casa Real Maricopa 2 North 1 East 27 29 53-500408 Adequate 1/29/76 NA Casa Real Phoenix #1B Maricopa 2 North 1 East 27 30 53-500409 Adequate 4/22/77 NA Contempo del Este Maricopa 2 North 1 East 27 243 53-500501 Adequate 8/23/73 NA Sunrise Terrace Maricopa 2 North 1 East 27 364 53-501512 Adequate 11/3/73 NA Country Meadows Maricopa 2 North 1 East 36 2493 53-500527 Adequate 3/19/75 NA 325 Casas Norte Maricopa 2 North 3 East 3 8 53-500416 Adequate 5/7/74 NA 326 El Dorado Estates Maricopa 2 North 4 East 5 25 53-500604 Adequate 10/3/74 NA 323 324 327 Montana De Bonitas Casas Maricopa 2 North 4 East 5 12 53-501005 Inadequate 2/11/81 Arizona American Water Company Paradise Valley 328 Vista Rica II Maricopa 2 North 4 East 5 0 53-501654 Adequate 7/10/74 Arizona American Water Company Paradise Valley Camelhead Estates #2 Maricopa 2 North 4 East 7 16 53-500382 Adequate 7/26/76 NA Clearview Edition Maricopa 2 North 4 East 7 35 53-500468 Inadequate 9/13/78 NA Las Casas Escondidas Maricopa 2 North 4 East 7 8 53-500893 Inadequate 5/11/77 NA 329 330 332 333 Lincoln Estates Maricopa 2 North 4 East 7 6 53-500906 Inadequate 10/16/78 NA Lincoln Ridge Maricopa 2 North 4 East 7 0 53-500907 Inadequate 4/11/77 NA Pebble Ridge Maricopa 2 North 4 East 7 15 53-501133 Adequate 12/23/74 NA Camelhead Estates Maricopa 2 North 4 East 8 17 53-500381 Adequate 12/23/74 NA Alamos Resort Maricopa 2 North 4 East 10 52 53-500255 Inadequate 10/18/78 Arizona American Water Company Paradise Valley La Place #2 Maricopa 2 North 4 East 10 6 53-500862 Inadequate 12/16/83 La Place Estates #1,2 Maricopa 2 North 4 East 10 35 53-500863 Inadequate 4/14/80 Arizona American Water Company Paradise Valley Brairwood #3 Maricopa 2 North 4 East 11 47 53-500355 Adequate 1/20/77 Arizona American Water Company Paradise Valley Briarwood #2 Maricopa 2 North 4 East 11 170 53-500360 Adequate 6/27/74 NA Casabella Patio Homes Maricopa 2 North 4 East 11 63 53-500410 Adequate 8/12/74 Arizona American Water Company Paradise Valley Cuernavaca Townhouses Maricopa 2 North 4 East 11 41 53-500543 Adequate 12/20/74 Arizona American Water Company Paradise Valley Lincoln Drive Condos Maricopa 2 North 4 East 11 6 53-500905 Inadequate 5/15/81 Arizona American Water Company Paradise Valley Briarwood #4 Maricopa 2 North 4 East 14 72 53-500361 Inadequate 8/25/78 Arizona American Water Company Paradise Valley Conejo Estates Maricopa 2 North 4 East 14 18 53-500499 Inadequate 11/30/78 Arizona American Water Company Paradise Valley Del Prado Maricopa 2 North 4 East 14 13 53-500546 Inadequate 12/28/78 Arizona American Water Company Paradise Valley La Jolla Blanca Maricopa 2 North 4 East 14 64 53-500856 Inadequate 12/28/78 Arizona American Water Company Paradise Valley Las Villas Condominium Maricopa 2 North 4 East 14 55 53-500900 Inadequate 1/23/79 Arizona American Water Company Paradise Valley Privado Village #1,2 Maricopa 2 North 4 East 14 57 53-501213 Inadequate 10/27/78 Arizona American Water Company Paradise Valley 334 Valley View Place Maricopa 2 North 4 East 14 36 53-501604 Inadequate 3/14/80 NA Villa De Bendita Maricopa 2 North 4 East 14 24 53-501617 Inadequate 8/3/79 NA 199 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 1 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA B. Water Adequacy Reports Location Map Key Subdivision Name Villa Palo Verde County Maricopa Township Range Section 2 North 4 East 14 No. of Lots ADWR File No. ADWR Adequacy Determination2 Date of Determination 20 53-501628 Inadequate 12/17/80 NA 334 Water Provider at the Time of Application Woodleaf Maricopa 2 North 4 East 14 20 53-501706 Inadequate 9/14/78 Arizona American Water Company Paradise Valley Casa Blanca Maricopa 2 North 4 East 15 129 53-500400 Inadequate 2/11/81 Arizona American Water Company Paradise Valley Desert Arroyos Maricopa 2 North 4 East 15 14 53-500553 Adequate 1/15/76 Arizona American Water Company Paradise Valley Tierra del Paraiso Maricopa 2 North 4 East 15 24 53-501546 Inadequate 8/18/77 Arizona American Water Company Paradise Valley 336 Casa del Monte Maricopa 2 North 4 East 22 140 53-500404 Adequate 5/10/74 Arizona American Water Company Paradise Valley 335 338 Camelhead Estates #3 Maricopa 2 North 4 East 7&8 27 53-500383 Inadequate 4/18/77 NA 343 Park Palisades Maricopa 1 North 1 West 3 31 53-501108 Adequate 12/19/73 City of Goodyear 359 Desert Tree Development Maricopa 1 North 3 West 7, 10 & 11 4500 53-500586 Adequate 12/31/75 NA 375 Buckeye North Maricopa 1 North 3 West 17 68 53-500363 Adequate 9/17/74 NA 412 Valley View Ranchettes Maricopa 1 North 6 West 1 120 53-501605 Adequate 2/19/74 Valley View Water Co 416 Tolsun Farms Maricopa 1 North 1 East 3 50 53-501561 Adequate 8/25/75 City of Tolleson 418 Tolsun Farms #2 Maricopa 1 East 5 66 53-500206 Adequate 12/24/73 City of Tolleson Rancho Grande Dos Maricopa 1 North 1 North 2 East 31 50 53-501260 Adequate 11/30/76 Bermuda Water Company, Inc. 423 Rancho Grande Quatro Maricopa 1 North 2 East 31 56 53-501261 Adequate 6/26/79 Bermuda Water Company, Inc. 424 Rancho Grande Tres Maricopa 1 North 2 East 31 50 53-501262 Adequate 11/30/76 NA 425 Pecos Industrial Park Maricopa 1 North 4 East 32 13 53-501136 Adequate 5/29/79 NA Apache Wells Mobile Home Park Maricopa 1 North 6 East 2 175 53-500279 Adequate 7/13/73 NA Apache Wells Mobile Park #3B Maricopa 1 North 6 East 2 119 53-500280 Inadequate 3/23/78 NA Rossmor Leisure World Maricopa 1 North 6 East 25 255 53-501344 Adequate 6/1/73 Turner Ranches Water Sewer Co Desert Air Estates #4B Maricopa 1 North 7 East 15 27 53-500549 Adequate 5/5/75 NA Desert Air Grande Maricopa 1 North 7 East 15 51 53-500550 Adequate 5/13/75 NA 426 427 432 Desert Aire #4-C Maricopa 1 North 7 East 15 27 53-500552 Adequate 3/23/79 NA Desert Saguaro Estates Maricopa 1 North 7 East 15 86 53-500576 Adequate 6/16/75 NA Desert Saguaro Estates #2 Maricopa 1 North 7 East 15 27 53-500577 Adequate 9/25/79 NA 433 University Estates Maricopa 1 North 7 East 16 209 53-501592 Adequate 6/12/74 NA 434 Sun Country Estates Maricopa 1 North 7 East 20 423 53-501477 Adequate 11/1/79 NA 435 El Cortez Mobile Home Park Maricopa 1 North 7 East 21 36 53-500603 Adequate 5/17/74 NA 436 Whispering Winds Casitas Maricopa 1 North 7 East 22 42 53-501676 Adequate 5/2/74 NA 437 Desert Village #2 Maricopa 1 North 7 East 23 10 53-500589 Adequate 9/20/73 NA 439 440 Desert Village Maricopa 1 North 7 East 25 21 53-500588 Inadequate 3/5/79 Arizona Water Co - Apache Junction Desert Village #3 Maricopa 1 North 7 East 25 21 53-500590 Inadequate 12/24/79 Arizona Water Co - Apache Junction Minnesota Manor #2 Maricopa 1 North 7 East 25 18 53-500980 Inadequate 5/28/78 Arizona Water Co - Apache Junction Golden Crest Terrace Maricopa 1 North 7 East 27 85 53-500712 Adequate 6/13/74 NA Golden Crest Terrace #4 Maricopa 1 North 7 East 27 34 53-500713 Adequate 1/4/79 NA Golden Crest Terrace #4 Maricopa 1 North 7 East 27 51 53-500714 Adequate 8/10/79 NA Superstition Country #5 Maricopa 1 North 7 East 27 116 53-501528 Adequate 9/12/78 NA Superstition Country V, #1 Maricopa 1 North 7 East 27 92 53-501529 Adequate 9/23/77 NA 441 Berry Estates Maricopa 1 North 7 East 28 26 53-500327 Adequate 10/1/74 NA 442 Casa Mia #2 Maricopa 1 North 7 East 32 150 53-500407 Adequate 1/21/75 NA Sunrise Meadows Maricopa 1 North 7 East 30 & 31 92 53-501509 Adequate 2/6/79 Turner Ranches Water Sewer Co Sunrise Meadows #2,3 Maricopa 1 North 7 East 30 & 31 227 53-501510 Adequate 3/26/79 Turner Ranches Water Sewer Co Sierra Entrada Garden Homes Pinal 1 North 8 East 20 136 53-501399 Adequate 4/27/76 Arizona Water Co - Apache Junction 12/6/73 Arizona Water Co - Apache Junction 443 447 449 Royal Crest Estates Pinal 1 North 8 East 24 47 53-501346 Adequate Section 8.1 Phoenix Active Management Area 200 Arizona Water Atlas Volume 8 1 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA B. Water Adequacy Reports Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. ADWR Adequacy Determination2 Date of Determination Water Provider at the Time of Application San Marcos Estates #1 Pinal 1 North 8 East 29 32 53-501363 Adequate 12/16/75 Arizona Water Co - Apache Junction Sun Valley Pinal 1 North 8 East 29 39 53-501489 Adequate 7/12/73 Arizona Water Co - Apache Junction 461 Brentwood Acres Maricopa 1 South 5 East 2 15 53-500358 Adequate 8/24/73 Town of Gilbert 462 Old West Estates Maricopa 1 South 5 East 13 101 53-501075 Adequate 1/24/74 Town of Gilbert 463 Villa Hacienda Maricopa 1 South 5 East 20 76 53-501626 Adequate 4/17/74 City of Chandler 464 Thunderbird Estates Maricopa 1 South 5 East 21 26 53-501541 Adequate 8/7/73 City of Chandler 450 465 466 Central Estates Maricopa 1 South 5 East 29 41 53-500431 Adequate 6/1/73 City of Chandler Karen Manor Maricopa 1 South 5 East 29 29 53-500836 Adequate 1/29/74 City of Chandler Karen Manor #4 Maricopa 1 South 5 East 29 14 53-500837 Adequate 4/15/74 City of Chandler City of Chandler Homestead, The Maricopa 1 South 5 East 30 28 53-500804 Adequate 10/22/73 Green Valley Estates #2,3 Maricopa 1 South 5 East 31 99 53-500744 Adequate 8/24/73 City of Chandler Green Valley Estates (1974) Maricopa 1 South 5 East 31 19 53-500745 Adequate 8/7/73 City of Chandler 468 Rancho Velero Maricopa 1 South 5 East 35 27 53-501272 Adequate 4/12/74 City of Chandler 469 College Park Estates Maricopa 1 South 6 East 6 32 53-500482 Adequate 11/8/73 Town of Gilbert 470 Holley Memorial Gardens Maricopa 1 South 6 East 8 0 53-500802 Adequate 8/7/73 Town of Gilbert 471 El Dorado Ranches #2 Maricopa 1 South 6 East 17 54 53-500605 Adequate 9/28/73 Salt River Project Apache Villa #3 Pinal 1 South 8 East 30 99 53-500276 Inadequate 9/13/77 Arizona Water Co - Apache Junction Apache Villa #4 Pinal 1 South 8 East 30 150 53-500277 Inadequate 10/3/78 Arizona Water Co - Apache Junction Apache Villa #4,#5 Pinal 1 South 8 East 30 10 53-500278 Inadequate 4/9/79 Arizona Water Co - Apache Junction Casas at Mesa del Oro, The Pinal 1 South 9 East 8 80 53-500415 Inadequate 4/18/83 Arizona Water Co - Apache Junction Resort at Gold Canyon Ranch Pinal 1 South 9 East 8 32 53-501293 Inadequate 1/13/83 Arizona Water Co - Apache Junction Mesa del Oro Pinal 1 South 9 East 9 38 53-500952 Inadequate 6/28/78 Arizona Water Co - Apache Junction 467 473 479 480 Mesa del Oro Estates #2 Pinal 1 South 9 East 9 41 53-500953 Inadequate 10/25/79 Arizona Water Co - Apache Junction Mesa del Oro Estates #3 Pinal 1 South 9 East 9 121 53-500954 Inadequate 5/9/80 Arizona Water Co - Apache Junction Clearwater Utilities 492 Estrella Dells #4 Maricopa 1 South 2 West 19 21 53-500621 Adequate 11/26/73 505 Claxton-Harvey Western Ranchet Maricopa 2 South 6 East 4 16 53-500466 Adequate 1/30/79 NA 520 La Princessa Ranchitos Maricopa 2 South 7 East 20 24 53-500864 Adequate 7/26/78 Queen Creek Water Co 520 Rancho Jardines #4 Maricopa 2 South 7 East 20 71 53-501265 Adequate 6/12/79 Queen Creek Water Co 526 Country Mini-Farms Maricopa 2 South 7 East 24 13 53-500528 Adequate 8/17/73 H2O Water Co Rancho Jardines #2B Maricopa 2 South 7 East 30 57 53-501264 Adequate 1/30/74 Queen Creek Water Co 532 Ranchos Jardines Maricopa 2 South 7 East 30 59 53-501284 Adequate 6/8/73 Queen Creek Water Co Ranchos Jardines #C Maricopa 2 South 7 East 30 67 53-501285 Adequate 4/3/75 Queen Creek Water Co Source: ADWR 2008 Notes: NA = Not available at this time 201 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 C. Analyses of Assured Water Supply Location Map Key Subdivision Name County Township Range No. of Lots ADWR File No. Section Date of Determination Water Provider at the Time of Application Undetermined 60 Sun Haven Ranch Maricopa 5 North 2 West 17, 19, 20 & 21 9012 28-400858 7/29/04 61 DaimlerChrysler Arizona Maricopa 5 North; 5 North; 6 North 2 West; 3 West; 2 West 3, 4, 5, 6, 7, 8, 9, 10 & 15; 12; 31 & 33 7700 28-401647 12/27/05 Undetermined 62 Grand Vista Maricopa 5 North 3 West 12 19735 28-401647 7/19/06 Undetermined 63 Copper Mountain Ranch Maricopa 5 North 3 West 4, 5 & 8 2325 28-401553 2/3/05 Undetermined 96 Vista Verde Maricopa 5 North 6 East 25 & 26 842 28-400848 5/21/03 Rio Verde utilities 108 Del Webb's Pleasant Valley Country Club -2 Maricopa 4 North 1 West 14 & 15 1900 28-400792 12/20/02 Arizona American Water Co - Agua Fria 110 Del Webb's Sun City Grand Maricopa 4 North; 4 North 1 West; 2 West 18, 19, 28, 29, 30, 31 & 32; 23, 24, 25, 26 & 36 9990 28-300443 9/1/99 Arizona American Water Co - Agua Fria 121 Rio Rancho Estates Maricopa 4 North 2 West 3 & 10 926 28-401761 8/4/06 Beardsley Water Co 123 Austin Ranch Maricopa 4 North 2 West 10, 11, 14 & 15 3106 28-401767 6/11/07 Beardsley Water Co 134 Spurlock Property Maricopa 4 North 4 West 10, 11, 12, 13, 14 & 15 7329 28-401013 10/1/03 Town of Buckeye 135 Festival Ranch, Phase 1 Maricopa 4 North 4 West 13, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 32, 33, 35 & 36 13676 28-401061 1/22/04 Town of Buckeye 138 Festival Ranch Maricopa 4 North 4 West 4&8 10500 28-401539 5/23/05 Town of Buckeye 153 Fletcher Heights,Parcels1,21,5,14,18,2 Maricopa 4 North 1 East 14, 22, 23 & 26 796 28-300248 2/19/97 New River Utility Co West Surprise: Legacy-TASH Maricopa 3 North 1 West 7 1338 28-300441 6/12/98 Arizona American Water Co - Agua Fria Kenly Farms Maricopa 3 North 1 West 7 1050 28-300566 4/29/99 Arizona American Water Co - Agua Fria Cactus Lane Ranch Maricopa 3 North; 3 North 1 West; 2 West 18 & 30; 12, 13, 15, 22, 23 & 25 17020 28-401308 8/5/04 Arizona American Water Co - Agua Fria Arizona American Water Co - Agua Fria 178 187 189 Woolf Crossing Maricopa 3 North 1 West 31 & 36 1736 28-401804 12/13/05 198 Sonoran Ridge Estates Units 1-5 Maricopa 3 North 2 West 33 258 28-400333 8/23/00 Water Utility of Greater Buckeye 199 White Tank Mountain Ranch Maricopa 3 North 2 West 27 1732 28-400730 8/16/02 Arizona American Water Co - Agua Fria 205 Sun Valley Community Maricopa 3 North; 4 North 4 West; 4 West 3, 4, 5, 6, 8, 9, 16, 17, 19, 20, 21, 28, 29, 30, 31, 32 & 33; 26, 27, 28, 29, 31, 32, 33, 34 & 35 34196 28-400956 10/1/03 Town of Buckeye 4 West; 5 West 7, 8 17 & 18;12, 13 & 24 Bell 3000 Maricopa 3 North; 3 North 10076 28-400993 10/1/03 Town of Buckeye White Tank Foothills Maricopa 3 North; 3 North; 4 North; 4 North 2 West; 5 West; 4 34;2-4, 8-11, 14-16 & 23;7 & 18;1, 12-15, West; 5 West 21-28, 34 & 35 1286 28-401116 8/19/04 Arizona American Water Co - Agua Fria 208 Douglas Ranch - Phases 1,2,3,4 & 5 Maricopa 3 North; 4 North; 4 North 5 West; 4 West; 5 West 2, 3, 4, 8, 9, 10, 11, 14, 15, 16 & 23; 7 & 18; 1, 12, 13, 14, 15, 21, 22, 23, 24, 25, 26, 27, 28, 34 & 35 55000 28-401037 5/12/04 Town of Buckeye 240 The Preserve at Goldfield Ranch Maricopa 3 North 7 East 9 & 10 1088 28-500095 6/12/07 Undetermined 266 Estrella Falls Maricopa 2 North 1 West 32 3 28-700498 5/23/08 Litchfield Park Service Co 269 Zanjero Trails and Pass Maricopa 2 North 2 West 4 10476 28-401489 4/4/05 Arizona American Water Co - Agua Fria 305 Sun Valley South Maricopa 2 North 4 West 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15 & 16 28-401719 2/2/04 Town of Buckeye 306 Tartesso North Maricopa 2 North 4 West 15-18, 21, 22, 27 & 28 12022 28-401222 3/26/04 Town of Buckeye 5195 28-401555 3/1/05 Water Utility of Greater Tonopah 28-402079 6/12/06 Water Utility of Greater Tonopah 207 307 Balterra Maricopa 2 North 6 West 19 308 Wintersburg Interchange - Tonopah Market Place Maricopa 2 North 6 West 28 309 Desert Whisper Maricopa 2 North 6 West 14 & 23 2943 28-402188 8/30/06 Water Utility of Greater Tonopah 310 Odom Farms Maricopa 2 North 6 West 16 & 17 6803 28-401401 1/3/05 Undetermined 312 Four-Eleven Estates Maricopa 2 North 7 West 25 150 28-402052 9/5/06 Water Utility of Greater Tonopah 331 Mountain Shadows Maricopa 2 North 4 East 8&9 305 28-401963 10/5/06 Arizona American Water Company Paradise Valley 339 Montiere Maricopa 2 North 5 West 1 2065 28-401883 3/7/06 Town of Buckeye 340 Hassayampa Ranch Maricopa 2 North 5 West 15, 16, 17 & 22 5707 28-401585 2/28/05 Water Utility of Greater Tonopah 341 Belmont Maricopa 2 North; 2 North; 3 North; 3 North 5 West; 6 West; 5 West; 6 West 3, 4, 5, 6, 7, 8, 9, 10, 18, 19, 29, 30 & 31; 1, 2, 11, 12, 13, 14 & 24; 17, 18, 19, 20, 21, 29, 29, 30, 31, 32, 33 & 34; 14, 23, 24, 25, 26, 35 & 36 60308 28-400903 10/1/03 Undetermined 347 Las Palmas Maricopa 1 North 2 West 3 750 28-402088 10/10/06 Arizona Water Co - White Tanks 350 Blue Horizons Maricopa 1 North 2 West 8 2230 28-300517 11/23/98 Arizona Water Co - White Tanks 357 Whitestone Maricopa 1 North; 2 North; 2 North 2 West; 2 West; 3 West 6;7, 18, 19, 30 & 31;3, 10-13, 23-25 14080 28-400460 1/16/01 Arizona American Water Co - Agua Fria SunCor Phases I & II Maricopa 1 North; 2 North; 2 North; 3 North 1 West; 1 West; 2 West; 1 West 3, 4 & 6;8-17, 19-23, 27-31, 33 & 34;24, 25 & 36;7 22262 28-300596 10/12/99 Litchfield Park Service Co Liberty Park Maricopa 1 North 2 West 29, 31 & 32 495 28-700375 10/30/07 Undetermined 365 Brookridge MPC, Buckeye/Sundance Maricopa 1 North 3 West 3, 8, 9, 10, 11, 13, 14 & 15 6862 28-400400 3/16/01 Town of Buckeye 379 Monte Verde Maricopa 1 North 3 West 19, 20 & 21 2335 28-401796 8/31/05 Valencia Water Co 386 Buckeye Farms Maricopa 1 North 3 West 27 & 34 1388 28-401970 3/7/06 Town of Buckeye 358 Section 8.1 Phoenix Active Management Area 202 Arizona Water Atlas Volume 8 Table 8.1-12 Assured Water Supply Determinations in the Phoenix AMA1 C. Analyses of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application 387 Portico Maricopa 1 North 3 West 34 & 35 1401 28-402113 7/10/06 Town of Buckeye 389 Blue Hills Maricopa 1 North 3 West 31 488 28-400137 12/22/99 Valencia Water Co 396 Roston/Buckeye Community Maricopa 1 North; 1 North 3 West; 4 West 18 & 19;13, 23 & 24 3895 28-400513 7/4/01 Town of Buckeye 36925 28-400947 10/1/03 Town of Buckeye 9321 28-401120 2/9/04 Town of Buckeye 397 Tartesso and Tartesso West Maricopa 1 North; 2 North; 2 North 1, 3, 4, 10 & 11; 19, 20, 24, 25, 26, 29, 4 West; 4 West; 5 30, 31, 35 & 36; 11, 12, 13, 14, 24, 25 & West 35 398 Tartesso Master - Planned Community Maricopa 1 North; 2 North; 2 North 1, 3, 4, 10 & 11; 19, 20, 24, 25, 26, 29, 4 West; 4 West; 5 30, 31, 35 & 36; 11, 12, 13, 14, 24, 25 & West 35 399 Westwind Maricopa 1 North 4 West 15, 21 & 22 3000 28-401738 10/14/05 Town of Buckeye 407 Desert Creek Maricopa 1 North 5 West 2&3 8490 28-401685 5/24/07 Town of Buckeye 410 Cipriani Maricopa 1 North; 2 North 5 West; 4 West 12, 13, 23, 24, 25 & 36; 19, 30 & 31 9636 28-401866 7/11/06 Town of Buckeye 413 Rocky G Development Maricopa 1 North 6 West 5 1520 28-401622 4/29/05 Undetermined 414 Sierra Negra Ranch Maricopa 1 North; 2 North 6 West; 6 West 6 & 7; 21, 28, 29, 31, 32 & 33 9900 28-401346 9/28/04 Undetermined 422 107th Avenue & Broadway Maricopa 1 North 1 East 30 539 28-401302 11/8/04 Rigby Water Co 456 Superstition Foothills Pinal 1 North 9 East 31 & 32 714 28-300406 2/26/99 Arizona Water Co - Apache Junction Bella Vagare Maricopa 1 South 3 West 3 512 28-402019 7/10/06 Town of Buckeye Cotton Pickin Maricopa 1 South 3 West 3 220 28-402116 8/7/06 Town of Buckeye 523 Chuparosa Maricopa 2 South 7 East 22 & 23 2100 28-300127 9/30/96 Queen Creek Water Co 549 The Parks Pinal 2 South 8 East 31 1264 28-401438 10/21/04 H2O Water Co County Designation No. Date Application Received Date Designation Issued Projected or Annual Estimated Demand (af/yr) 494 Source: ADWR 2008 D. Designated Water Providers Map Key Water Provider Name A Apache Junction Water Facility Pinal 26-400989 6/9/03 2/1/05 B Chapparal City Water Company Maricopa 26-401242 2/11/04 4/7/04 8,000 C City of Avondale Maricopa 86-002003 6/11/07 2/4/08 21,186 26-002009 2/15/95 12/31/97 D City of Chandler E City of El Mirage Maricopa 26-400054 3/22/99 11/2/99 7,695 F City of Glendale Maricopa 26-002018 3/15/95 9/25/97 57,074 G City of Goodyear Maricopa 26-402090 4/7/06 1/27/08 15,940 105,061 H Maricopa 2,769 63,615 City of Mesa Maricopa 26-002023 5/28/96 9/19/97 I City of Peoria Maricopa 26-400679 1/18/02 10/17/02 39,325 J City of Phoenix Maricopa 26-002030 10/11/96 12/31/97 356,521 K City of Scottsdale Maricopa 26-400619 10/11/01 4/25/02 105,986 City of Surprise Maricopa 26-300431 11/11/97 9/7/99 20,334 M City of Tempe Maricopa 26-002043 3/27/97 12/31/97 70,462 N L Johnson Utilities Pinal 26-400665 12/26/01 8/12/03 5,633 O Town of Gilbert Maricopa 26-402208 6/19/06 10/30/07 70,954 Source: ADWR 2008 Notes: Prior to February 1995, ADWR did not assign file numbers to applications for adequacy. Between 1995-2006 all applications for adequacy were given a file number with a 22 prefix. In 2006 a 53 prefix was assigned to all water adequacy reports and applications regardless of their issue date. 1 Includes water reports issued under the Water Adequacy program prior to the 1980 implementation of the Assured Water Supply program. 2 Assured and Adequate Water Supply determinations are based on the information available to ADWR and the standards of review and policies in effect at the time the determination was made. A determination of inadequacy could be due to insufficent physical or legal access to water or poor water quality. The Adequacy Program was replaced by the Assured Water Supply Program in the AMAs in 1980. 203 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 204 Arizona Water Atlas Volume 8 Section 8.1 Phoenix Active Management Area 205 Arizona Water Atlas Volume 8 Phoenix AMA References and Supplemental Reading References A Arizona Department of Economic Security (DES), 2005, Workforce Informer: Data file, accessed August 2005, http://www.workforce.az.gov. (Cultural Water Demand Table) Arizona Department of Environmental Quality, 2006a, Active DOD, Superfund, WQARF, and LUST contamination sites in Arizona: GIS cover, received February 2006. _____, 2006b, Superfund and WQARF programs, Accessed June 2008 at http://www.azdeq.gov/ environ/waste/sps/index.html. _____, 2005a, ADEQSWI: Data file, received September 2005. (Water Quality Map and Table) _____, 2005b, Azurite: Data file, received September 2005, updated 2008. _____, 2005c, Effluent dependent waters: GIS cover, received December 2005. _____, 2005d, Impaired lakes and reaches: GIS cover, received January 2006. _____, 2004a, Water quality exceedences by watershed: Data file, received June 2004. (Water Quality Map and Table) _____, 2004b, Water quality exceedences for drinking water providers in Arizona: Data file, received September 2004. (Water Quality Map and Table) _____, 2002, The Status of Water Quality in Arizona – 2002: Volume 1. Arizona’s Integrated 305(b) Assessment and 303(b) Listing Report Arizona Department of Water Resources (ADWR), 2009, Estimated cultural water demand in the AMA Planning Area: Unpublished Analysis, ADWR Office of Data Management. _____, 2008, Assured and adequate water supply applications: Project files, ADWR Hydrology Division. _____, 2005a, Flood warning gages: Database, ADWR Office of Water Engineering. _____, 2005b, Inspected dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005c, Non-jurisdictional dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005d, Groundwater Site Inventory (GWSI): Database, ADWR Hydrology Division. _____, 2005e, Registry of surface water rights: ADWR Office of Water Management. (Reservoirs and Stockponds Table) _____, 2005f, Wells55: Database. _____, 2004, Annual withdrawal and use reports for the Phoenix AMA: ADWR Office of Water Management. _____, 1999, Third Management Plan for the Phoenix Active Management Area 2000-2010. _____, 1994a, Arizona Water Resources Assessment, Vol. I, Inventory and Analysis. _____, 1994b, Arizona Water Resources Assessment, Vol. II, Hydrologic Summary. Arizona Game and Fish Department (AGF), 1997 & 1993, Statewide riparian inventory and mapping project: GIS cover. Arizona Land Resource Information System (ALRIS), 2005a, Springs: GIS cover, accessed January 2006 at http://www.land.state.az.us/alris/index.html. _____, 2005b, Streams: GIS cover, accessed 2005 at http://www.land. state.az.us/alris/index. Section 8.1 Phoenix Active Management Area 206 Arizona Water Atlas Volume 8 html. _____, 2005c, Water features: GIS cover, accessed July 2005 at http://www.land. state.az.us/alris/ index.html. (Reservoirs and Stockponds Table) _____, 2004, Land ownership: GIS cover, accessed in 2004 at http://www.land.state.az. us/alris/index.html. Arizona Meteorological Network (AZMET), 2007, Arizona climate stations: Pan evaporation data, accessed December 2005 at http://www.ag.arizona.edu/ azmet/locate.html. E Environmental Protection Agency (EPA), 2005, 2002 and 2006, Clean Watershed Needs Survey: datasets, accessed March 2005 at http://www.epa.gov/owm/mtb/cwns/index.htm. M Maricopa County Association of Governments, 2007, Socioeconomic Projections of Population, Housing and Employment by Municipal Planning Area and Regional Analysis Zone. ______, 2002, Section 208, Water Quality Management Plan Update. O Oregon State University, Spatial Climate Analysis Service (SCAS), 2006, Average annual precipitation in Arizona for 1961-1990: PRISM GIS cover, accessed in 2006 at www.ocs. orst.edu/prism. U US Army Corps of Engineers, 2004 and 2005, National Inventory of Dams: Arizona Dataset, accessed November 2004 to April 2005 at http://crunch.tec.army.mil/nid/webpages/nid. cfm (Reservoirs and Stockponds Table) United States Geological Survey (USGS), 2008 & 2005, National Water Information System (NWIS) data for Arizona: Accessed October 2008 at http://waterdata.usgs.gov/nwis. _____, 2006a, National Hydrography Dataset: Arizona dataset, accessed at http://nhd.usgs.gov/. _____, 2006b, Springs and spring discharges: Dataset, received November 2004 and January 2006 from USGS office in Tucson, AZ. _____, 2004, National Gap Analysis Program - Southwest Regional Gap analysis study- land cover descriptions: Electronic file, accessed January 2005 at http://earth.gis.usu.edu / swgap. _____, 1981, Geographic digital data for 1:500,000 scale maps: USGS National Mapping Program Data Users Guide. W Western Regional Climate Center (WRCC), 2005, Pan evaporation stations: Data file accessed December 2005 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwDI~GetCity~USA. _____, 2005, Precipitation and temperature stations: Data file, accessed December 2007 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwDI~GetCity~USA. Weidner, C., 1996, ADEQ Pollution Prevention Report, Arizona Pollution Prevention. Spring/Summer 1996. (Water Quality Map and Table) 207 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Supplemental Reading Arizona Department of Water Resources, 2003, Phoenix AMA Comprehensive Hydrologic Monitoring Plan: Second Annual Status Report. ______, 2002, Phoenix AMA Comprehensive Hydrologic Monitoring Plan: First Annual Status Report. _____, 1991, Technical Assessment of the Salt River Pima-Maricopa Indian Community Water Rights Settlement, In Re the General Adjudication of the Gila River System and Source. ____, 1999, Technical Assessment of the San Carlos Apache Tribe Water Rights Settlement. Bernier, J.C. and Associates, 1992, Report on the 1992 Static Water Level Measurement in the Carefree - Cave Creek Basin: Prepared for the City of Scottsdale and the Towns of Carefree and Cave Creek. Bush, J., S. Guhathakurta, J. Dworkin and J. Keane, 2006, Examination of Phoenix Regional Water Supply for Sustainable Yield and Carrying Capacity: Natural Resources Journal. 46(4):925-958. Colby, B.G. and K.L. Jacobs eds, 2007, Arizona Water Policy: Management and Innovations in an Urbanizing, Arid Region: Resources for the Future, Washington D.C. Campbell, H.E. et al, 1999, Some Best Bets in Residential Water Conservation, Morison Institute for Public Policy, Arizona State University. Capesius, J.P. and T.W. Lehman, 2002, Determination of channel change for selected streams, Maricopa County, Arizona: Water Resources Investigations Report No. 2001-4209, United States Geological Survey. CH2M Hill, 1995, Study and Evaluation of Irrigation Water Duties Established Under the Second Management Plan. Arizona Department of Water Resources Task P-2. City of Chandler, 2002, General Plan: Water Resources Element. City of El Mirage, 2003, General Plan: Water Resources Element. City of Gilbert, 2006, General Plan. City of Glendale, 2002, Glendale 2025 The Next Step General Plan: Water Resource Element. City of Goodyear, 2003, Goodyear General Plan Update 2003-2013: Chapter 5 Water Section 8.1 Phoenix Active Management Area 208 Arizona Water Atlas Volume 8 Resources Element. City of Mesa, 2006, Mesa 2025 General Plan: Chapter 11 Water Resource Element. City of Peoria, 2006, General Plan: Water Resource Element. City of Phoenix, 2005, Water Resources Plan Update: Water Services Department, Water Resources and Development Planning Section. City of Scottsdale, 2002, General Plan. City of Surprise, 2008, General Plan 2030: Chapter 6.3 Water Resources. City of Tempe, 2003, Tempe General Plan 2030: Water Resources Element, Adopted December 4, 2003. Corell, S.W., 1992, Phoenix-Goodyear Airport Groundwater Flow and Contaminant Transport Model: Model Report No. 05, Arizona Department of Water Resources. Corkhill, E.F., S.W. Corell, B.M. Hill and D.A. Carr, 1993, Regional Groundwater Flow Model of the Salt River Valley – Phase One: Phoenix Active Management Area Hydrologic Framework and Basic Data Report: Model Report No. 06, Arizona Department of Water Resources. Decision Center for a Desert City, 2007, WaterSim, online application available at: http://watersim. asu.edu/ Gelt, J., 1992, Land Subsidence, Earth Fissures Change Arizona’s Landscape. Arroyo, v. 6, no.2. Gober, P , In Press, Climate Adaptation and Water Resource Management in Phoenix, Water Resources IMPACT. Governor’s Drought Task Force, 2004, Arizona Drought Preparedness Plan. Draft. Phoenix. Governor’s Drought Task Force, 2004, Arizona Drought Management Plan. Draft. Phoenix Governor’s Water Management Commission, 2002, Final Report and Recommendations. Phoenix: Arizona Department of Water Resources. Governor’s Water Management Commission, 2000, Briefing Book: Water Management Framework for AMAs, Groundwater Use Restrictions and Requirements. Phoenix: Arizona Department of Water Resources. Hammett, B.A. and R.L. Herther, 1995, Maps showing groundwater conditions in the Phoenix Active Management Area, Maricopa, Pinal and Yavapai Counties: 209 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Hydrographic Map Series No. 27, Arizona Department of Water Resources. Hipke, W., F. Putman, J.M. Holway and M. Ferrell, 1996, An Application of the Regional Groundwater Flow Model of the Salt River Valley, Arizona, Analysis of Future Water Use and Supply Conditions: Current Trends Alternative 1989-2025, Model Report No. 11, Arizona Department of Water Resources. Hoffmann, J.P. and C.M. O’Day, 2001, Quality of water and estimates of water inflow, northern boundary area, Fort McDowell Indian Reservation, Maricopa County, Arizona: Water Resources Investigations Report No. 2001-4151, United States Geological Survey. Hoffmann, J.P., 2000, Hydrogeology, water quality, and stormwater-sediment chemistry of the Grande Wash area, Fort McDowell Indian Reservation, Maricopa County, Arizona, Water Resources Investigations Report No. 2000-4116, United States Geological Survey. Holway, J.M. and K.L. Jacobs, 2006, Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth: in Mays, L., eds., Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth. McGraw-Hill. Jacobs, K. L. and J. M. Holway, 2004, Lessons Learned from Twenty Years of Groundwater Management in Arizona, USA. Hydrogeology Journal. 12, No. 1. Konieczki, A.D. and S.R. Anderson, 1990, Evaluation of ground-water recharge along the Gila River as a result of the flood of October 1983, in and near the Gila River Indian Reservation, Maricopa and Pinal counties, Arizona, Water Resources Investigations Report No. 89-4148, United States Geological Survey. Megdal, S. and Z. Smith, 2008, Evolution and Evaluation of the Active Management Area Management Plans, Water Resources Research Center, University of Arizona. Megdal, S. and B. Colby, 2004, Arizona’s Water Future: Challenges and Opportunities, 85th Arizona Town Hall Background Report, University of Arizona. Morrison Institute, 1996, 1996 Residential Water Conservation in Arizona: Expert Assessment of Provider Efforts in the Phoenix Active Management Area: Arizona State University. Pewe, T.L, 1990, Subsidence and Earth Fissure Formation Caused by Groundwater Withdrawal in Arizona. A review, in Higgins, C.G. and Coates, D.R., eds., Groundwater Geomorphology: The Role of Subsurface Water in Earth-surface Processes and Landforms. Boulder, Colorado, Geological Society of America Special Paper 252, pp. 219-233. Rascona, S.J., 2005, Maps showing groundwater conditions in the Phoenix Active Management Area, Maricopa, Pinal and Yavapai Counties: Hydrographic Map Series No. 35, Arizona Section 8.1 Phoenix Active Management Area 210 Arizona Water Atlas Volume 8 Department of Water Resources. Raymond, R.H., undated. Land Subsidence and Potential Earth Fissures, Salt-Gila Aqueduct, Central Arizona Project. Salt River Project, 1994, Strategic Water Resource Plan, Phase I: Assessment and Potential Strategies, January 1994. Schumann, H.H. and C.M. O’Day, 1995, U.S. Department of the Interior-U.S. Geological SurveyInvestigation of Hydrogeology, Land Subsidence, and Earth Fissures, Luke Air Force Base, Arizona - Administrative Report. Tucson, Arizona. Seventy-first Arizona Town Hall. 1997. Ensuring Arizona’s Water Quantity and Quality into the 21st Century. Marshall A. Worden, editor. Phoenix: Arizona Town Hall. Town of Buckeye, 2007, General Plan Update 2007: Chapter 8 Water Resource Element. Town of Cave Creek, 2005, General Plan: Water Resource Element. Town of Fountain Hills, 2002, General Plan: Water Resource Element. Town of Paradise Valley, 2002, General Plan: Water Resource Element. Town of Queen Creek, 2002, General Plan 2002: Water Resource Element. 211 Section 8.1 Phoenix Active Management Area Section 8.2 Pinal AMA 212 Arizona Water Atlas Volume 8 8.2.1 Geography of the Pinal AMA The Pinal AMA is 4,100 square miles in area. Geographic features and principal communities are shown on Figure 8.2-1. The AMA is characterized by gently sloping alluvial valleys separated by north to northwest trending fault-block mountains. Vegetation types are predominantly Lower Colorado River Valley and Arizona Uplands Sonoran desertscrub with a small area of semi-desert grassland in the western portion of the AMA. (See Figure 8.0-10) • Principal geographic features shown on Figure 8.2-1 are: o The Gila River in the northern part of the AMA in the vicinity of Florence and Coolidge, running west and exiting the AMA at the northwestern tip. o The Santa Cruz River, which enters the AMA from the southeast, south of Picacho Peak. o Aguirre and Santa Rosa washes in the south and central part of the basin. o Santa Cruz Wash east of Casa Grande, running northwest toward the Gila River. o Numerous valleys and plains including Aguirre and Santa Rosa valleys in the south, and Vekol Valley in the west. o Mountain ranges along the AMA boundary: the Santan, Sacaton and South Mountains on the north; Picacho, Waterman and Roskruge Mountains on the east; the Quinlan, North Comobabi, and Quijotoa Mountains on the south; and the Castle, Sand Tank and Sierra Estrella Mountains on the west. Picacho Peak, a prominent geographic feature, is located southeast of Picacho on the eastern AMA boundary. o The lowest point in the AMA at 1,000 feet where the Santa Cruz Wash and Gila River exit the basin to the northwest. o The highest point is Kitt Peak at 6,857 feet in the Quinlan Mountains at the southern AMA boundary. Section 8.2 Pinal Active Management Area 213 Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 214 Arizona Water Atlas Volume 8 8.2.2 Land Ownership in the Pinal AMA Land ownership, including the percentage of ownership by category, for the Pinal AMA is shown in Figure 8.2-2. The principal feature of land ownership in this AMA is the large proportion of Indian Reservation lands. A description of land ownership data sources and methods is found in Volume 1, Appendix A. More detailed information on National Parks, Monuments and Wilderness Areas is found in Section 8.0.4. Land ownership categories are discussed below in the order of largest to smallest percentage in the AMA. Indian Reservation • 51.4% of the land is under tribal ownership as the Tohono O’odham, Gila River and AkChin Indian Reservations. • This is the largest percentage of Indian reservation land in any of the AMA basins. • Land uses include domestic, commercial, agriculture and grazing. Private • 22.5% of the land is private. • Land uses include domestic, commercial, agriculture and mining. State Trust Land • 13.0% of the land is held in trust for public schools and other beneficiaries under the State Trust Land system. • A portion of state trust land is within the Ironwood and Sonoran Desert National Monuments. • Land uses include agriculture, grazing and recreation. U.S. Bureau of Land Management (BLM) • 10.5% of the land is federally owned and managed by the Tucson and Lower Sonoran Field Offices of the Bureau of Land Management. • The AMA includes 1,309 acres of the 5,080-acre Coyote Mountain Wilderness and 3,041 acres of the 14,400-acre Sierra Estrella Wilderness. BLM lands also include portions of the Sonoran Desert and Ironwood National Monuments (See Figure 8.0-13) • Land uses include resource conservation, recreation and grazing. U.S. Military • 1.9% of the land is federally owned and managed by the U.S. Military. • Military lands include a portion of the Barry Goldwater Air Force Range, part of which is within the Sonoran Desert National Monument. • Primary land use is military activity. Other (Game and Fish, County and Bureau of Reclamation Lands) • 0.7% of the land is owned and managed by the U.S. Bureau of Reclamation (BOR) or local and regional governments. • “Other” includes land in the eastern portion of the AMA managed by BOR for the Central Arizona Project canal and pumping stations as well as local and regional parks managed Section 8.2 Pinal Active Management Area 215 Arizona Water Atlas Volume 8 • by Maricopa County. Land uses include water infrastructure and recreation. 216 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 217 Arizona Water Atlas Volume 8 8.2.3 Climate of the Pinal AMA Climate data from NOAA/NWS Co-op Network and AZMET stations are complied in Table 8.2-1 and the locations are shown on Figure 8.2-3. Figure 8.2-3 also shows precipitation contour data from the Spatial Climate Analysis Service (SCAS) at Oregon State University. The Pinal AMA does not contain Evaporation Pan or SNOTEL /Snowcourse stations. More detailed information on climate is found in Section 8.0.3. A description of the climate data sources and methods is found in Volume 1, Appendix A. NOAA/NWS Co-op Network • Refer to Table 8.2-1A • There are 11 NOAA/NWS Co-op Network stations in the AMA. The average monthly maximum temperature occurs in July and is between 70.7°F and 91.1°F. The average monthly minimum temperature occurs in December or January and is between 41.3°F and 52.9°F. • The highest seasonal rainfall occurs at most stations in the summer (July-September). For the period of record used, the highest average annual rainfall is 23.95 inches at the Kitt Peak station and the lowest is 6.11 inches at the Santa Rosa School station. AZMET • Refer to Table 8.2-1C • There are three AZMET stations in the AMA. Elevation at the stations range from 1,184 feet to 1,512 feet and the corresponding annual average evaporation ranges from 79.84 inches to 77.33 inches. SCAS Precipitation Data • See Figure 8.2-3 • Additional precipitation data shows average annual rainfall as high as 30 inches on the AMA boundary near Kitt Peak and as low as six inches in the northwestern portion of the AMA near Maricopa. Section 8.2 Pinal Active Management Area 218 Arizona Water Atlas Volume 8 Table 8.2-1 Climate Data for the Pinal AMA A. NOAA/NWS Co-op Network: Station Name Period of Elevation Record Used for (in feet) Averages Monthly Average Temperature Range (in F) Average Precipitation (in inches) Max/Month Min/Month Winter Spring Summer Fall Annual Casa Grande 1,462 1971-2000 90.4/Jul 51.9/Dec 2.59 0.57 3.59 2.47 9.22 Casa Grande Natl Mon 1,419 1971-2000 90.4/Jul 50.4/Dec 3.06 0.66 3.12 2.77 9.61 Covered Wells 1E 2,622 1956-1963 88.2/Jul 50.22/Jan 2.67 0.89 5.89 2.34 11.8 Eloy 4 NE 1,545 1971-2000 89.9/Jul 52/Dec 3.10 0.69 3.69 3.12 10.60 Florence 1,505 1971-2000 89/Jul 52.3/Jan 3.29 0.84 3.05 2.87 10.05 Kitt Peak 6,800 1971-2000 70.7/Jul 41.3/Jan 5.45 1.43 11.53 5.54 23.95 Maricopa 4 N 1,160 1971-2000 91.4/Jul 50.3/Dec 2.59 0.51 2.61 2.27 7.98 Maricopa 9 SSW 1,401 1898-1958 1 91.1/Jul 48.8/Jan 1.83 0.55 3.10 1.86 7.34 Picacho 8 SE 1,830 1971-2000 91.1/Jul 52.9/Jan 3.26 0.73 3.52 2.56 10.07 Santa Rosa School 1,841 1959-19771 88.2/Jul 49.1/Jan 0.87 0.72 2.97 1.55 6.11 Silver Bell 2,740 1906-1974 85.8/Jul 52.7/Jan 2.65 0.73 6.2 3.2 12.78 Source: WRCC, 2005 Notes: Average temperature data from period of record shown; average precipitation data from 1971 - 2000 1 B. Evaporation Pan: Station Name Period of Elevation Avg. Annual Evap Record Used for (in feet) (in inches) Averages None C. AZMET: Station Name Elevation (in feet) Period of Record Average Annual Reference Evaportranspiration, in inches (Number of years to calculate averages) Coolidge 1,385 1999 - current 77.33 (9) Eloy 1,512 1999 - 2005 (discontinued) 79.84 (6) Maricopa 1,184 1999 - current 79.68 (9) Source: Arizona Meteorological Network, 2007 D. SNOTEL/Snowcourse: Station Name Elevation (in feet) Period of Record Average Snowpack, at Beginning of the Month, as Inches Snow Water Content (Number of measurements to calculate average) Jan. Feb. March April May June None 219 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 220 Arizona Water Atlas Volume 8 8.2.4 Surface Water Conditions in the Pinal AMA Streamflow data, including average seasonal flow, annual flow and other information are shown in Table 8.2-2. Flood ALERT equipment in the AMA is shown in Table 8.2-3. Flood ALERT equipment information is current up to October 2005. New flood warning gages are routinely added to the ALERT network so the current number of stations may be greater. Reservoir and stockpond data, including maximum storage or maximum surface area, are shown in Table 8.2-4. The location of streamflow gages identified by USGS number, flood ALERT equipment, USGS runoff contours and large reservoirs are shown on Figure 8.2-4. Descriptions of stream, reservoir and stockpond data sources and methods are found in Volume 1, Appendix A. Streamflow Data • Refer to Table 8.2-2. • Data from nine stations located at five watercourses are shown in the table and on Figure 8.2-4. • Average seasonal flow at the Gila River gages is highest during the winter season (JanuaryMarch) and highest on other watercourses during the summer (July-September). • The largest annual flow recorded in the AMA is 1.2 million acre feet (maf) in 1993 at the Gila River near Laveen gage with a contributing drainage area of 20,615 square miles. Flood ALERT Equipment • Refer to Table 8.2-3. • There are 10 ALERT gages in the Pinal AMA. Reservoirs and Stockponds • Refer to Table 8.2-4. • The AMA contains three large reservoirs. The largest, Saint Clair, has a maximum storage of 375,000 acre-feet, but there currently is no infrastructure to fill it. • Reservoir uses vary and include recreation, flood control, irrigation, fish and wildlife, fire protection, stock or farm, and water supply. • Water is diverted for the San Carlos Irrigation Project (SCIP) at Ashurst-Hayden Diversion Dam located on the Gila River 12 miles east of Florence. The dam, completed in 1922, consists of diversion works and is not a storage or flood control facility. • Surface water is stored or could be stored in 12 small reservoirs. • There are 315 registered stockponds in the AMA. Runoff Contour • Refer to Figure 8.2-4. • Average annual runoff is highest, 0.5 inches per year or 26.7 acre-feet per square mile, at the northeastern tip of the AMA and the southwestern portion of the AMA and decreases to 0.1 inches, or five acre-feet per square mile, in the center of the AMA. Section 8.2 Pinal Active Management Area 221 Arizona Water Atlas Volume 8 Table 8.2-2 Streamflow Data for the Pinal AMA Drainage Area (in mi2) Gage Elevation (in feet) Period of Record Gila River at Attaway 18,776 1,418 9479500 Gila River near Laveen 20,615 9479501 Gila River near Laveen (Main Channel) 9479502 Station Number USGS Station Name 9477570 Average Seasonal Flow (% of annual flow) Annual Flow/Year (in acre-feet) Years of Annual Flow Record Winter Spring Summer Fall Minimum Median Mean Maximum 10/2002-current (real-time) 53 0 47 0 0 (2004) 0 10,719 32,158 (2005) 3 1,019 1/1940-9/1994 (discontinued) 67 6 13 15 0 (1969) 9,420 45,227 1,189,109 (1993) 52 20,615 1,019 10/1992-5/1995 (discontinued) Gila River near Laveen (Overflow Channel) NA NA 10/1983-5/1995 (discontinued) 83 10 0 8 0 (1994) 0 75,390 677,452 (1993) 9 9487500 Santa Rosa Wash at Gu Komelik near Sells 629 1,590 10/1954-6/1959 (discontinued) 24 0 48 28 417 (1956) 9,759 9,981 19,989 (1958) 4 9488000 Kohatk Wash near Chiapuk near Sells 185 1,932 10/1954-6/1959 (discontinued) 1 1 96 2 155 (1956) 412 1,873 6,514 (1955) 4 9488500 Santa Rosa Wash near Vaiva Vo 1,782 1,470 1954-1980 (discontinued) 7 1 76 16 9 (1979) 3,937 8,107 51,056 (1962) 25 9488650 Vekol Wash near Stanfield 150 1,724 10/1989-9/1996 (discontinued) 1 1 96 2 2 (1991) 195 391 1,318 (1994) 6 9489000 Santa Cruz River near Laveen 8,581 1,021 1/1940-current (real-time) 27 3 41 29 173 (1969) 6,122 12,637 134,770 (1983) 64 No statistics run, less than 3 years of data Sources: USGS (NWIS) 2007 & 2008 Notes: NA = Not available Statistics based on Calendar Year Annual Flow statistics based on monthly values Summation of Average Seasonal Flows may not equal 100 due to rounding Period of record may not equal Year of Record used for annual Flow/Year statistics due to only using years with a 12 month record In Period of Record, current equals November 2008 Seasonal and annual flow data used for statistics was retrieved in 2007 222 Section 8.1 Phoenix Active Management Area Arizona Water Atlas Volume 8 Table 8.2-3 Flood ALERT Equipment in the Pinal AMA Station ID Station Name Station Type Install Date Responsibility 730 Florence Dam South Precip/Stage NA ADWR 740 Florence Dam North Precip/Stage NA ADWR 750 Sacaton Peak Repeater Repeater/Precip 6/11/1996 FCD Maricopa Co 770 Tat Momolikot Dam Precip/Stage 1/29/1998 FCD Maricopa Co 780 Gila @ Olberg Precip/Stage 4/12/1995 FCD Maricopa Co 785 Santa Cruz @ SR 84 Precip/Stage 3/16/1994 FCD Maricopa Co 793 Greene Wash @ SR 84 Stage 3/23/1994 FCD Maricopa Co 795 Santa Rosa @ SR 84 Precip/Stage 3/16/1994 FCD Maricopa Co 6560 South Mtn. Fan Weather/Stream 6/9/1993 FCD Maricopa Co 6980 Vekol Wash Precip/Stage 3/7/1990 FCD Maricopa Co Source: ADWR 2005a Notes: FCD = Flood Control District Section 8.2 Pinal Active Management Area 223 Arizona Water Atlas Volume 8 Table 8.2-4 Reservoirs and Stockponds in the Pinal AMA A. Large Reservoirs (500 acre-feet capacity and greater) MAP KEY RESERVOIR/LAKE NAME (Name of dam, if different) OWNER/OPERATOR MAXIMUM STORAGE (AF) USE1 JURISDICTION 1 Saint Clair (Tat Momoliklot) Bureau of Indian Affairs 375,000 C,I,P,R Federal 2 Reach 11 Detention Dike 3 Bureau of Reclamation 9,100 C,I,R,S Federal B. Other Large Reservoirs (50 acre surface area or greater)2 MAP KEY RESERVOIR/LAKE NAME (Name of dam, if different) OWNER/OPERATOR MAXIMUM SURFACE AREA (acres) USE1 JURISDICTION 3 Picacho Reservior3 Pinal County 2,238 F,R County Source: Compilation of databases from ADWR & others C. Small Reservoirs (greater than 15 acre-feet and less than 500 acre-feet capacity) Total number: 0 Total maximum storage: 0 acre-feet D. Other Small Reservoirs (between 5 and 50 acres surface area)2 Total number: 12 Total surface area: 150 acres E. Stockponds (up to 15 acre-feet capacity) Total number: 315 Notes: C= Flood Control, F = fish & wildlife pond, I = Irrigation, P = Fire Protection, Stock or Farm pond, R = Recreation, S = Water Supply 2 Capacity data is not available to ADWR 3 Intermittent Lake 1 224 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 225 Arizona Water Atlas Volume 8 8.2.5 Perennial/Intermittent Streams and Springs in the Pinal AMA The locations of perennial and intermittent streams are shown on Figure 8.2-5. There are no major or minor springs in the Pinal AMA. Descriptions of data sources and methods for intermittent and perennial reaches and springs are found in Volume 1, Appendix A. • • There are two intermittent streams in the AMA, the Gila River in the north and a portion of the Santa Cruz River south of Picacho. The total number of springs, regardless of discharge, identified by the USGS or ALRIS varies from five to six, depending on the database reference. Table 8.2-5 Springs in the Pinal AMA A. Major Springs (10 gpm or greater): Map Key Location Name Latitude Longitude Discharge (in gpm) Date Discharge Measured None identified by ADWR at this time B. Minor Springs (1 to 10 gpm): Location Name Latitude Longitude Discharge (in gpm) Date Discharge Measured None identified by ADWR at this time C. Total number of springs, regardless of discharge, identified by USGS (see ALRIS, 2005a and USGS, 2006b): 5 to 6 Section 8.2 Pinal Active Management Area 226 Arizona Water Atlas Volume 8 227 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 228 Arizona Water Atlas Volume 8 8.2.6 Groundwater Conditions of the Pinal AMA Major aquifers, well yields, estimated natural recharge, number of index wells and date of last water-level sweep are shown in Table 8.2-6. Figure 8.2-6 shows aquifer flow direction and waterlevel change between 1993-1994 and 2003-2004 for the entire Pinal AMA. Figures 8.2-6A-B show depth to water during 2003-2004 and water-level change between 1993-1994 and 2003-2004 for selected wells by sub-basin. Figure 8.2-7 contains hydrographs for selected wells shown on Figures 8.2-6A-B. Figure 8.2-8 shows well yields in five yield categories. Underground Storage Facilities (USF) and Groundwater Savings Facilities (GSF) are shown on Table 8.2-7 with facility name, facility permit number and type, permittee name, permitted acre-feet per year and water source. Locations of USFs and GSFs are shown on Figure 8.2-9. A description of aquifer data sources and methods as well as well data sources and methods, including water-level changes and well yields are found in Volume 1, Appendix A. Major Aquifers • Refer to Table 8.2-6 and Figure 8.2-6 • The major aquifers in this AMA are recent stream alluvium and basin fill. • Groundwater flow is generally to the north with flow toward cones of depression at the center of the Maricopa-Stanfield Sub-basin and west of Maricopa. Well Yields • Refer to Table 8.2-6 and Figure 8.2-8 • As shown on Figure 8.2-8, well yields are generally greater than 1,000 gallons per minute (gpm). • One source of well yield information, based on 1,582 reported wells, indicates that the median well yield is 1,000 gpm. Natural Recharge • Refer to Table 8.2-6 • Natural recharge in the Pinal AMA is estimated at 82,750 acre-feet per year. • Primary source of natural recharge is streambed recharge along the Gila and Santa Cruz rivers. Water Level • Refer to Figures 8.2-6 and 8.2-6A-B. Water levels are shown for wells measured in 20032004. Not all water level data shown on Figure 8.2-6 are shown on Figure 8.2-6A-B. • The Department annually measures 163 index wells in the AMA. Hydrographs for nine of these wells are shown on Figure 8.2-7. • The deepest water level shown is 662 feet south of I-8 (Figure 8.2-7A) and the shallowest is 24 feet west of highway 387 in the Eloy Sub-basin (Figure 8.2-7B). Recharge Sites • Refer to Table 8.2-7 and Figure 8.2-9. • As of 2008 there were six active USFs and four active GSFs. • Total permitted storage capacity for USFs is 6,400 acre-feet per year. All USFs are permitted Section 8.2 Pinal Active Management Area 229 Arizona Water Atlas Volume 8 • to store effluent. Total permitted storage capacity for GSFs is 303,480. All GSFs are permitted to store CAP water. Table 8.2-6 Groundwater Data for the Pinal AMA Basin Area, in square miles: 4,000 Name and/or Geologic Units Major Aquifer(s): Recent Stream Alluvium Basin Fill Well Yields, in gal/min: Estimated Natural Recharge, in acre-feet/year: Range 2-6000 Median 1,010 (1,342 wells measured) ADWR GWSI Range 3-3,600 Median 1,000 (1,582 wells reported) Reported on registration forms for large (> 10-inch) diameter wells (Wells55) 82,750 ADWR (2004b) Current Number of Index Wells: 163 Date of Last Water-level Sweep: 2007 (1,066 well measurements) GWSI = Groundwater Site Inventory System 230 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 231 Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 232 Arizona Water Atlas Volume 8 233 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Figure 8.2-7 Pinal Active Management Area Hydrographs Showing Depth to Water in Selected Wells A Depth To Water In Feet Below Land Surface 50 100 1975 B 150 WELL DEPTH: 1040 FT. USE: UNUSED 1985 D-03-02 23ADD 2005 1995 WELL DEPTH: 1258 FT. USE: UNUSED D-04-2 18DCD PZ1 200 250 1975 1985 1995 Section 8.2 Pinal Active Management Area 2005 234 Arizona Water Atlas Volume 8 Figure 8.2-7 (cont) Pinal Active Management Area Hydrographs Showing Depth to Water in Selected Wells C WELL DEPTH: 592 FT. USE: IRRIGATION D-05-04 15ADD 250 Depth To Water In Feet Below Land Surface 300 350 400 450 500 550 1975 235 1985 1995 2005 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Figure 8.2-7 (cont) Pinal Active Management Area Hydrographs Showing Depth to Water in Selected Wells D 275 WELL DEPTH: 511 FT. USE: UNUSED D-05-05 32CAB Depth To Water In Feet Below Land Surface 325 375 1975 200 E 1985 1995 WELL DEPTH: 514 FT. USE: UNUSED 2005 D-06-4 07CCC 250 300 1975 1985 F WELL DEPTH: 1313 USE: USED 300 350 1975 1985 1995 2005 D-08-01 11CCB 1995 Section 8.2 Pinal Active Management Area 2005 236 Arizona Water Atlas Volume 8 Figure 8.2-7 (cont) Pinal Active Management Area Hydrographs Showing Depth to Water in Selected Wells G Depth To Water In Feet Below Land Surface 0 WELL DEPTH: 100 FT. USE: IRRIGATION D-06-05 25BBB 50 100 1975 200 H 1985 1995 WELL DEPTH: 418 FT. USE: UNUSED 2005 D-08-07 09ADD1 250 300 1975 237 1985 1995 2005 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Depth To Water In Feet Below Land Surface Figure 8.2-7 (cont) Pinal Active Management Area Hydrographs Showing Depth to Water in Selected Wells 350 I WELL DEPTH: 875 FT. USE: UNUSED D-09-08 35ADD2 400 450 500 550 1975 1985 1995 Section 8.2 Pinal Active Management Area 2005 238 Arizona Water Atlas Volume 8 239 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 240 Arizona Water Atlas Volume 8 Table 8.2-7 Recharge Sites in the Pinal AMA A. Underground Storage Facilities FACILITY NAME FACILITY NUMBER PERMITTEE NAME FACILITY TYPE PERMITTED AF/YEAR WATER SOURCE ARIZONA CITY SANITARY DISTRICT 71-209000.0000 ARIZONA CITY SANITARY DISTRICT CONSTRUCTED 2,240 E ELOY RECLAIMED WATER RECHARGE PROJECT 71-591932.0000 CITY OF ELOY CONSTRUCTED 2,240 E NORTH FLORENCE RECHARGE FACILITY 71-519876.0001 TOWN OF FLORENCE CONSTRUCTED 135 E PICACHO SEWER COMPANY 71-575760.0000 PICACHO SEWER COMPANY CONSTRUCTED 340 E SOUTHWEST WATER DISTRIBUTION CENTER 71-211279.0000 GLOBAL WATER CONSTRUCTED 1,120 E SUN LAKES AT CASA GRANDE 71-591938.0000 PICACHO SEWER COMPANY CONSTRUCTED 340 E PERMITTED AF/YEAR WATER SOURCE B. Groundwater Savings Facilities GILA RIVER INDIAN IDD FACILITY NUMBER 72-211277.0000 18,480 C HOHOKAM IDD 72-534489.0003 55,000 C CENTRAL ARIZONA IDD 72-531382.0002 110,000 C MARICOPA STANFIELD IDD 72-531381.0003 120,000 C PERMITEE/FACILITY NAME Notes: Gila River Indian IDD GSF is located in the Phoenix and Pinal AMAs. Permitted AF/Year shown here is for the Pinal AMA only. C - CAP E - Effluent IDD - Irrigation and Drainage District Section 8.2 Pinal Active Management Area 241 Arizona Water Atlas Volume 8 242 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 243 Arizona Water Atlas Volume 8 8.2.7 Water Quality Exceedences and Contamination Sites in the Pinal AMA Sites with parameter concentrations that have equaled or exceeded drinking water standard(s), including location and parameter(s) are shown in Table 8.2-8A. There are no impaired lakes or streams in the Pinal AMA. Figure 8.2-10 shows the location of water quality occurrences keyed to Table 8.2-8. Figure 8.2-11 shows the located of contamination sites with site information shown in Table 8.2-9. A description of water quality data sources and methods is found in Volume 1, Appendix A. All community water systems are regulated under the Safe Drinking Water Act and treat water supplies to meet drinking water standards. Not all parameters were measured at all sites; selective sampling for particular constituents is common. Well, spring and mine sites that have equaled or exceeded drinking water standards (DWS) • Refer to Table 8.2-8A. • Three hundred and thirteen sites have parameter concentrations that have equaled or exceeded DWS. • Frequently equaled or exceeded parameters include nitrate, fluoride and arsenic. • Other parameters equaled or exceeded include cadmium, lead, radionuclides, selenium, beryllium, total dissolved solids and zinc. Effluent Dependent Reaches • Refer to Figure 8.2-10 • There are two effluent dependent reaches on the Santa Cruz River and the Gila River. Contamination Sites • Refer to Figure 8.2-11 and Table 8.2-9 • There are three Voluntary Remediation Program sites and a Resource Conservation and Remediation Site. Section 8.2 Pinal Active Management Area 244 Arizona Water Atlas Volume 8 Table 8.2-8 Water Quality Exceedences in the Pinal AMA1 A. Wells, Springs and Mines Location Number of Stations Map Key(s) 1 2 3 Section Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 Township Range 2 South 3 East 9 1 TDS 2 South 3 East 20 1 NO3, TDS 2 South 3 East 27 2 NO3, TDS 2 South 3 East 28 1 TDS 3 South 2 East 23 1 F 3 South 2 East 24 2 As, F 4 South 2 East 14 2 F 4 4 South 2 East 23 1 F 4 South 2 East 26 1 F 5 4 South 2 East 13 1 F 6 7 8 4 South 3 East 15 1 F 4 South 3 East 22 1 F 4 South 3 East 2 1 F 4 South 3 East 25 2 F, NO3 4 South 3 East 26 2 F 4 South 3 East 34 1 NO3 4 South 4 East 19 3 F, NO3 4 South 4 East 27 3 As, F 4 South 4 East 34 2 NO3 5 South 3 East 12 1 F 5 South 4 East 6 1 NO3 5 South 4 East 8 1 NO3 5 South 4 East 18 1 F 5 South 4 East 20 1 F 5 South 4 East 29 2 As, NO3 5 South 4 East 10 1 NO3 5 South 4 East 11 1 NO3 13 5 South 4 East 23 2 F, NO3 14 5 South 2 East 2 1 F, NO3 5 South 2 East 24 3 F, NO3 5 South 3 East 18 1 F 5 South 3 East 19 2 F 5 South 3 East 30 2 F, NO3 9 10 11 12 15 16 5 South 3 East 21 2 As, Cd, F, NO3, TDS 17 5 South 3 East 33 1 Cd, NO3 18 5 South 3 East 22 1 F 19 5 South 4 East 31 1 Cd 20 4 South 8 East 6 1 NO3 21 4 South 9 East 28 2 NO3 22 4 South 10 East 31 2 NO3 23 5 South 5 East 32 1 As 5 South 5 East 16 1 F 5 South 5 East 21 1 F 5 South 6 East 30 1 NO3 24 25 26 5 South 6 East 20 1 NO3 5 South 6 East 21 2 As, F, NO3 As, F 5 South 6 East 26 1 5 South 6 East 27 1 F 5 South 6 East 28 1 As, F 5 South 6 East 34 2 As, F 6 South 6 East 3 1 As, F 6 South 6 East 4 1 F 245 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Table 8.2-8 Water Quality Exceedences in the Pinal AMA1 A. Wells, Springs and Mines Location Number of Stations Map Key(s) Township 27 28 Range Section Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 5 South 7 East 27 1 5 South 7 East 34 2 F F 5 South 7 East 23 2 F, NO3, TDS 28 5 South 7 East 25 2 F 28,29 5 South 7 East 24 4 As, F, NO3, TDS 29 30 31 32 33 5 South 7 East 13 2 F 5 South 8 East 18 1 F As, F 5 South 8 East 19 5 5 South 8 East 20 1 F 5 South 8 East 21 1 F 5 South 8 East 29 1 F 5 South 8 East 33 3 Be, Cd, F, NO3, TDS NO3 5 South 8 East 22 1 5 South 8 East 23 1 As 5 South 8 East 13 2 NO3 6 South 8 East 2 2 F 5 South 8 East 25 1 NO3 5 South 8 East 36 3 F, NO3 5 South 9 East 31 2 F, NO3 5 South 9 East 32 1 NO3 5 South 9 East 19 1 NO3 5 South 9 East 20 1 Cd 35 5 South 10 East 34 1 As 36 6 South 2 East 27 1 F 37 6 South 2 East 3 2 F, NO3 34 38 39 40 41 42 43 44 45 6 South 2 East 1 1 F 6 South 2 East 12 1 As 6 South 3 East 6 2 As 6 South 3 East 7 2 As, F 6 South 3 East 16 1 As 6 South 3 East 17 1 As, NO3 6 South 3 East 21 1 F 6 South 3 East 26 2 As, NO3, Organics 6 South 3 East 27 1 As, NO3 6 South 4 East 6 1 F 6 South 4 East 7 1 NO3 6 South 4 East 19 1 Cd 6 South 4 East 29 1 NO3 6 South 4 East 10 2 NO3 6 South 4 East 13 1 Rad 6 South 4 East 14 1 As 6 South 5 East 19 2 As, Cd 6 South 5 East 20 1 As, Cd 46 6 South 5 East 32 2 As, NO3 6 South 5 East 22 1 NO3 47 6 South 5 East 26 1 As, F, NO3 NO3 48 6 South 5 East 35 2 6 South 5 East 12 1 F 6 South 5 East 13 1 As, F, NO3 6 South 5 East 24 1 As 6 South 6 East 7 2 As, F, NO3 6 South 6 East 8 2 As, NO3 6 South 6 East 18 1 NO3 Section 8.2 Pinal Active Management Area 246 Arizona Water Atlas Volume 8 Table 8.2-8 Water Quality Exceedences in the Pinal AMA1 A. Wells, Springs and Mines Location Number of Stations Map Key(s) 49 50 51 52 53 54 55 56 57 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 Township Range Section 6 South 6 East 31 1 6 South 6 East 10 2 As 6 South 6 East 15 2 As As, F, NO3 6 South 6 East 16 1 As 6 South 6 East 23 2 F, NO3 NO3 6 South 7 East 5 1 6 South 7 East 8 1 F 6 South 7 East 9 1 As As 6 South 7 East 17 1 6 South 7 East 18 2 F 6 South 7 East 15 1 As, F 6 South 7 East 22 1 F 6 South 7 East 23 1 As, F 6 South 7 East 13 1 F 6 South 8 East 19 1 As, NO3 6 South 8 East 6 2 F, NO3, TDS 6 South 8 East 7 2 NO3, TDS 6 South 8 East 20 1 NO3 6 South 8 East 15 1 Pb 6 South 8 East 16 1 Pb 6 South 8 East 2 1 F 6 South 8 East 11 1 As, F F 6 South 8 East 12 1 6 South 9 East 6 1 F 58 6 South 9 East 7 1 F 6 South 9 East 18 3 As, F 59 7 South 1 East 22 1 As 7 South 2 East 10 2 NO3 7 South 2 East 11 2 NO3 7 South 3 East 1 2 As, F 60 61 62 63 64 65 66 67 68 7 South 4 East 6 1 F 7 South 4 East 8 1 F F 7 South 4 East 23 1 7 South 4 East 26 1 F 7 South 4 East 1 2 As 7 South 5 East 16 1 F 7 South 6 East 32 2 NO3 7 South 6 East 33 3 NO3 7 South 6 East 34 2 NO3, Organics NO3 8 South 6 East 3 3 7 South 6 East 12 1 NO3 7 South 7 East 6 1 NO3 7 South 7 East 32 1 F 8 South 6 East 1 1 As 8 South 7 East 5 1 As, F 6 South 7 East 33 2 As, NO3 NO3 7 South 7 East 5 2 69 7 South 7 East 2 1 F 70 7 South 8 East 16 2 NO3 71 7 South 8 East 33 1 NO3 72 8 South 1 East 31 1 As 247 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Table 8.2-8 Water Quality Exceedences in the Pinal AMA1 A. Wells, Springs and Mines Location Number of Stations Map Key(s) Township Range Section Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 73 8 South 4 East 23 1 As 74 8 South 5 East 24 1 As 8 South 6 East 8 1 As 75 8 South 6 East 10 1 As 8 South 6 East 16 1 As 76 8 South 6 East 35 1 As NO3 77 8 South 7 East 25 1 8 South 7 East 34 1 F 78 8 South 7 East 35 1 NO3 9 South 7 East 1 1 NO3 79 8 South 7 East 12 1 As, F 80 81 81,83 82 83 84 85 8 South 7 East 23 1 F 8 South 7 East 24 1 NO3 NO3 8 South 8 East 19 1 8 South 8 East 30 1 F 7 South 8 East 31 1 NO3 NO3 8 South 8 East 5 1 8 South 8 East 8 1 F 8 South 8 East 9 2 NO3, Pb, TDS 8 South 8 East 32 2 NO3 9 South 8 East 6 1 NO3 8 South 8 East 14 1 As 8 South 8 East 15 1 NO3 NO3 8 South 8 East 21 1 8 South 8 East 22 1 NO3 8 South 8 East 23 3 NO3 As 8 South 8 East 27 1 8 South 9 East 7 1 F 8 South 9 East 18 1 As 86 9 South 7 East 4 1 As 87 10 South 6 East 1 1 NO3 As 88 9 South 6 East 25 1 89 10 South 7 East 5 1 As 9 South 7 East 27 1 As 90 91 92 93 94 9 South 7 East 28 1 As 9 South 7 East 34 1 As 9 South 7 East 2 1 NO3 9 South 7 East 11 1 NO3 9 South 7 East 35 1 F 9 South 7 East 36 1 As 9 South 7 East 12 2 NO3 9 South 7 East 13 2 F, NO3 9 South 7 East 14 1 NO3 9 South 7 East 24 1 NO3 9 South 8 East 33 1 As 10 South 8 East 4 1 As, F 95 9 South 8 East 15 1 As 96 9 South 8 East 25 1 As 97 10 South 3 East 12 1 As 98 10 South 1 West 36 1 Pb 99 100 10 South 4 East 28 1 As, Pb 11 South 4 East 3 2 As, Pb 10 South 8 East 12 1 NO3 Section 8.2 Pinal Active Management Area 248 Arizona Water Atlas Volume 8 Table 8.2-8 Water Quality Exceedences in the Pinal AMA1 A. Wells, Springs and Mines Location Number of Stations Map Key(s) 101 102 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 Township Range Section 10 South 9 East 10 1 10 South 9 East 11 1 As 11 South 1 East 14 1 Pb As 103 11 South 4 East 29 1 As 104 12 South 3 East 27 2 As, Pb 12 South 3 East 35 1 As 13 South 3 East 2 1 As 13 South 3 East 11 1 As 12 South 3 East 23 1 As 105 106 107 13 South 2 East 22 1 As 108 13 South 4 East 30 2 As 109 14 South 5 East 12 3 As 14 South 2 East 27 1 Pb 14 South 2 East 34 2 As 14 South 2 East 36 1 As 14 South 3 East 31 1 Cd, Pb, Zn 14 South 5 East 27 1 As 14 South 6 East 20 1 As 14 South 6 East 21 1 As 15 South 8 East 27 1 Pb 110 111 112 113 114 115 15 South 8 East 36 1 As 16 South 8 East 30 1 Cd Source: Compilation of databases from ADWR & others B. Lakes and Streams Map Key Site Type Site Name Length of Impaired Stream Reach (in miles) Area of Impaired Lake (in acres) Designated Use Standard Parameter(s) Exceeding Use Standard None identified by ADWR at this time Source: ADEQ 2005e Notes: 1 Water quality samples collected between 1975 and 2001. Listed TDS exceedences indicate "mineralized water" that contains over 3000 milligrams per liter (mg/l) of TDS and would require special well construction procedures (A.A.C. R12-15-812(B)). The secondary drinking water standard 2 As = Arsenic Be = Beryllium Cd = Cadmium F = Fluoride Pb = Lead NO3 = Nitrate/ Nitrite Organics = One or more of several volatile and semi-volatile organic compounds and pesticides Rad = radionuclides TDS = Total Dissolved Solids Zn = Zinc 249 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 250 Arizona Water Atlas Volume 8 Table 8.2-9 Contamination Sites in the Pinal AMA MEDIA AFFECTED AND SITE NAME CONTAMINANT Voluntary Remediation Sites Terminal 2 Plume Soil & Groundwater/Jet-A-Fuel Anderson Clayton - Sunshine Soil/Hydraulic fluid Gin Former Puregro #175 Soil/Pesticides Resource Conservation and Remediation Act Sites Griffen/Kocide Corporation Groundwater & Soil/Pesticides Sources: ADEQ 2002, ADEQ 2006a, ADEQ 2006b Section 8.2 Pinal Active Management Area 251 Arizona Water Atlas Volume 8 252 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 253 Arizona Water Atlas Volume 8 8.2.8 Cultural Water Demands in the Pinal AMA Cultural water demand data including population, number of wells and the average well pumpage and non-groundwater use by the municipal, industrial and agricultural sectors are shown in Table 8.2-10. Effluent generation including facility ownership, location, population served and not served, volume treated, disposal method and treatment level is shown in Table 8.2-11. Figure 8.212 shows the location of demand centers. A description of cultural water demand data sources and methods is found in Volume 1, Appendix A. More detailed information on cultural water demands is found in Section 8.0.7. Cultural Water Demands • Refer to Table 8.2-10 and Figure 8.2-12. • Population in the Pinal AMA increased from 40,956 in 1980 to 99,143 in 2000 and projections suggest an increase to over 624,128 residents by 2030. • Agricultural water use is by far the largest demand in the Pinal AMA. Approximately 96% of the average annual demand was agricultural in 2001-2005. • Approximately 45% of the agricultural demand in 2001-2005 was met with groundwater. • Average annual municipal demand in 2001-2005 increased roughly 30% from a decade earlier. • The industrial sector accounted for approximately 1% of the total annual AMA water demand in the period between 2001-2005. • As of 2005 there were 2,077 registered wells with a pumping capacity of less than or equal to 35 gpm and 3,256 wells with a pumping capacity of more than 35 gpm. Effluent Generation • Refer to Table 8.2-11. • 24 wastewater treatment facilities were identified in the AMA. • There are a wide range of effluent disposal methods with some of the most common being: discharge into an open watercourse, golf course irrigation, permitted recharge, industrial reuse and crop irrigation. • More than 7,000 acre-feet of effluent are treated/produced annually in the Pinal AMA. Section 8.2 Pinal Active Management Area 254 Arizona Water Atlas Volume 8 Table 8.2-10 Cultural Water Demand in the Pinal AMA1 Year Estimated and Projected Population 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 40,956 1981 43,727 1982 46,190 1983 48,522 1984 50,781 1985 52,997 1986 54,395 1987 56,154 1988 58,829 1989 62,768 1990 62,423 1991 65,726 1992 66,377 1993 68,963 1994 70,992 1995 74,494 1996 78,510 1997 81,172 1998 84,442 1999 90,005 2000 99,143 2001 101,642 2002 106,806 2003 113,865 2004 120,684 2005 136,130 2010 212,699 2020 464,909 2025 596,988 624,128 2030 WELL TOTALS: Average Annual Demand (in acre-feet)2 Number of Registered Water Supply Wells Drilled Q < 35 gpm 5 799 Q > 35 gpm Well Pumpage Municipal Non-Groundwater Industrial Agricultural4 Municipal 3 Data Industrial Agricultural4 Source 959,000 251,000 885,000 276,000 5 2,105 129 53 788,000 383,000 108 115 555,000 367,800 108 335 17,600 5,400 348,700 700 200 ADWR (1994a) 530,500 ADWR (2009) 307 240 21,600 7,800 458,400 1,000 200 560,800 626 408 24,700 13,200 439,600 4,200 1,500 534,900 2,077 3,256 Notes: Does not include evaporation losses from stockponds and reservoirs. 2 Includes Indian Demand. 3 Non-Groundwater supplies may include surface water, CAP, effluent, spill water or tailings water. 4 Agricultural use does not include small exempt use after 1993. 5 Includes all wells through 1980. 1 255 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Table 8.2-11 Effluent Generation in the Pinal AMA Facility Name Ownership Ak-Chin Village Ak-Chin Tribe City/Location Served Population Served Volume Treated/Generated (acre-feet) Ak-Chin Tribe 1,820 148 5,400 700 Anthem WWTP Johnson Utilities LLC Florence Arizona City WWTF Arizona City Sanitary District Arizona City Disposal Method Water course Golf Evaporation Irrigation Pond Course Discharged Wildlife to Another Area Facility Infiltration Basins X Other Current Population Treatment Level Not Served Year of Record Secondary NA 2004 Advanced Treatment I NA 2004 Advanced Treatment I 1285 2004 Secondary NA 2004 Advanced Treatment I NA 2004 See Company information on table 8.1-11 Effluent Generation in the Phoenix AMA Casa Grande WWTF City of Casa Grande Casa Grande 29,285 2,800 Coolidge WWTF City Of Coolidge Coolidge 8,500 728 X X X X P X X X Desert Gardens RV Park - WWTF Private Florence NA NA NA Dunn Ranch WWTF Private Maricopa NA NA NA Eleven-Mile Corner WWTF Pinal County Casa Grande NA NA NA Eloy WWTF Town of Eloy Eloy 10,400 694 X X Entrada Del Oro Private Maricopa 243 Arizona State Prison Complex Florence Prison 3,360 NA Florence WWTF Town of Florence Florence 11,000 1,680 Francisco Grande Resort WWTF Private Casa Grande NA NA 24 X 1 Florence Prison WWTF Frito-Lay WWTF Private Casa Grande NA NA Maricopa WWTF Pinal County Maricopa NA NA North Florence WWTF Town of Florence Florence 3,540 179 Palo Verde Utility WWTF Private Maricopa NA NA Picacho WWTP Private Picacho 380 30 Stanfield WWTF Pinal County Stanfield NA NA Sun Lakes at Casa Grande Private Casa Grande NA NA P Secondary with Nutrient Removal NA 2008 X NA NA 2007 X Secondary NA 2004 NA NA NA NA NA NA Advanced Primary NA 2004 NA NA NA Secondary NA 2008 NA NA NA Secondary NA 2008 X X NA X P X NA NA X X Sunscape RV Resort - WWTF Private Casa Grande NA NA NA Sunshine Estates WWTF Private Casa Grande NA NA NA Red Rock WWTF Red Rock Utilities Red Rock 350 34 Tierra Grande WWTF Private Casa Grande NA NA 74,278 7,018 Total Industrial Reuse X NA Sources: Clean Water Needs Survey (CWNS) 2002 and 2004 Data, Pinal County Comprehensive Plan 2001, ADEQ's AZURITE Facility database, ADWR 2004 Annual Water Use Reports Notes: Operated only 4 months in 2008 P = Permited Underground Recharge Facility NA = Not available WWTF=Wastewater Treatment Facility 1 Section 8.2 Pinal Active Management Area 256 Arizona Water Atlas Volume 8 257 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 258 Arizona Water Atlas Volume 8 8.2.9 Assured Water Supply Determinations in the Pinal AMA Assured water supply determination information including the subdivision name, location, number of lots, date of determination, subdivision water provider and Central Arizona Groundwater Replenishment District (CAGRD) membership status are shown in Table 8.2-12A, B and C for certificates, water adequacy reports and analysis of assured water supply. Designated water provider information is shown in Table 8.2-12D with date of application, date the designation was issued and projected or annual estimated demand. Figure 8.2-13 shows the general locations of subdivisions (to the section level) and designated provider water service areas keyed to the Table. A description of the Assured Water Supply Program is found Section 8.0.5 and in Volume 1, Appendix C. Assured Water Supply determination data sources and methods are found in Volume 1, Appendix A. • • • • • Lot count totals may over estimate actual platted lots due to database accounting, changes in file numbering methodology and subsequent development plan changes. As of February 2008, 251 subdivisions with a total of 161,062 lots have been reviewed for an assured water supply determination. All of the determinations were in the Pinal County portion of the AMA. 84,160 lots in 216 subdivisions received Certificates of Assured Water Supply, 2,134 lots in 16 subdivisions received Water Adequacy Reports (pre-AMA determinations) and 74,768 lots in 19 developments received an Analyses of Assured Water Supply. Of the 216 subdivisions with a Certificate of Assured Water Supply, 137 are CAGRD members. There are five designated providers with a total projected or estimated annual water use of 90,112 acre-feet. Section 8.2 Pinal Active Management Area 259 Arizona Water Atlas Volume 8 Table 8.2-12 Assured Water Supply Determinations in the Pinal AMA1 A. Certificates of Assured Water Supply Location Range No. of Lots ADWR File No. Date of Determination 21 38 27-200195 07/22/87 NA N 25 705 27-401185 10/13/04 387 District N 3 East 26 499 27-401646 01/03/06 387 District Y 4 South 3 East 27 418 27-401158 06/25/04 387 District Y Pinal 4 South 3 East 26 & 27 876 27-401159 08/30/04 387 District Y Alterra Pinal 4 South 3 East 28 1005 27-401126 04/08/04 387 District Y 6 Maricopa Meadows Pinal 4 South 3 East 28 & 33 1608 27-401014 03/01/04 387 District Y 7 Palo Brea Pinal 4 South 3 East 34 525 27-401143 04/08/04 387 District N Map Key Subdivision County 1 Maricopa Manor Pinal 4 South 3 East 2 Smith Farms Pinal 4 South 3 East 3 Senita Unit 3 Pinal 4 South Desert Cedars Pinal Senita Unit 1 and Unit 2 5 Township Section Water Provider at the Time of GRD Member Application 4 8 Tortosa Pinal 4 South 4 East 21 & 28 1290 27-401243 06/25/04 387 District Y 12 Western Pueblo Ranchettes Pinal 5 South 3 East 3 24 27-300382 07/28/98 NA N 20 Red River Phase 1 - Province Pinal 5 South 3 East 26, 27, 34 & 35 2276 27-700380 02/28/08 22 Maricopa Industrial Park Pinal 5 South 4 East 15 56 27-200194 11/22/89 Santa Rosa Water Company NA N Y 23 Ghost Hollow Estates Pinal 5 South 6 East 17 260 27-402224 09/21/07 Arizona Water Co - Casa Grande Y Desert Views, Unit 1 Pinal 5 South 6 East 19 10 27-300224 03/28/97 Arizona Water Co - Casa Grande Y 24 25 26 Desert Views, Unit 2 Pinal 5 South 6 East 19 26 27-400153 01/28/00 Arizona Water Co - Casa Grande Y Copper Vista, Parcels A,B,C,D Pinal 5 South 6 East 20 206 27-400567 06/12/02 Arizona Water Co - Casa Grande N Ghost Ranch Pinal 5 South 6 East 21 125 27-400568 08/26/02 Arizona Water Co - Casa Grande Y Ghost Ranch Unit II Pinal 5 South 6 East 21 235 27-401399 08/23/04 Arizona Water Co - Casa Grande N Countrywalk Estates Pinal 5 South 6 East 21 67 27-401652 08/04/05 Arizona Water Co - Casa Grande N Dominion Creek Pinal 5 South 6 East 21 202 27-401724 07/12/05 Arizona Water Co - Casa Grande Y Mystic Trails Pinal 5 South 6 East 21 11 27-402020 07/17/06 Arizona Water Co - Casa Grande N 27 Val Vista Estates Pinal 5 South 6 East 25 126 27-300267 04/04/97 Arizona Water Co - Casa Grande Y 28 Villa Arroyo Pinal 5 South 6 East 27 723 27-700378 01/07/08 Arizona Water Co - Casa Grande Y 29 Villago, Phase 1 Pinal 5 South 6 East 28 & 33 999 27-401411 05/13/05 Arizona Water Co - Casa Grande Y Avalon Phase A Pinal 5 South 6 East 30 131 27-401114 02/17/04 Arizona Water Co - Casa Grande N 30 Gila Buttes Pinal 5 South 6 East 30 525 27-402186 07/26/06 Arizona Water Co - Casa Grande N Avalon Phase B Pinal 5 South 6 East 30 116 27-401518 12/09/04 Arizona Water Co - Casa Grande N Casa Grande Air Park Pinal 5 South 6 East 32 34 27-402068 06/26/06 Arizona Water Co - Casa Grande Y Arroyo Grande Pinal 5 South 6 East 34 672 27-400560 05/23/02 Arizona Water Co - Casa Grande Y Y 31 32 33 34 McCartney Center Pinal 5 South 6 East 35 1083 27-400384 03/19/01 Arizona Water Co - Casa Grande Sandia NW, Parcels A,B,C & K Pinal 5 South 7 East 13, 14, 23 & 24 4188 27-402039 11/21/06 Woodruff Water Company Y Sandia - SE1 Pinal 5 South 7 East 13, 24 & 25 5634 27-402227 12/11/06 Woodruff Water Company Y Sandia SE2 Pinal 5 South 7 East 13, 24 & 25 484 27-402228 12/06/06 Woodruff Water Company Y 35 Martin Valley Pinal 5 South 7 East 23, 25 & 26 1108 27-402084 08/11/06 Arizona Water Co - Casa Grande Y 36 Tierra Rica Estates Pinal 5 South 7 East 30 305 27-400028 04/16/99 Arizona Water Co - Casa Grande N Chaparral Estates Pinal 5 South 7 East 31 204 27-400399 01/26/01 Arizona Water Co - Casa Grande Y Bel Aire Estates Pinal 5 South 7 East 31 44 27-400529 11/29/01 Arizona Water Co - Casa Grande Y Signal Peak Estates Pinal 5 South 7 East 31 19 27-401436 01/25/05 Arizona Water Co - Casa Grande Y 37 Ridge at Black Butte, The Pinal 5 South 7 East 32 32 27-300342 10/16/97 Arizona Water Co - Casa Grande Y Weaver Ranch Pinal 5 South 7 East 32 31 27-400273 08/22/00 Arizona Water Co - Casa Grande Y 38 Black Mountain Estates Pinal 5 South 7 East 32 101 27-400305 09/21/00 Arizona Water Co - Casa Grande Y Lusitano Pinal 5 South 7 East 32 79 27-401986 05/19/06 Arizona Water Co - Casa Grande Y Mandalay Ranch Pinal 5 South 7 East 33 32 27-400643 03/11/03 Arizona Water Co - Casa Grande Y Saddle Creek Ranch Pinal 5 South 7 East 33 130 27-400936 02/09/04 Arizona Water Co - Casa Grande Y 39 40 Arlington Ranch Pinal 5 South 7 East 31 22 27-401629 06/08/05 Arizona Water Co - Casa Grande Y Coolidge Gateway Manor Pinal 5 South 8 East 15 114 27-401891 01/03/06 Arizona Water Co - Coolidge Y 41 Casa Blanca Pinal 5 South 8 East 15 240 27-500072 03/09/07 Arizona Water Co - Coolidge N 42 Cota Ranch Pinal 5 South 8 East 16 67 27-400667 09/25/02 Arizona Water Co - Coolidge Y 43 Skousen Farms Pinal 5 South 8 East 17 & 18 1300 27-401939 06/23/06 Arizona Water Co - Coolidge Y Heartland Unit 1 Pinal 5 South 8 East 20 490 27-400353 09/26/00 Arizona Water Co - Coolidge N Heartland - Unit 4 Pinal 5 South 8 East 20 480 27-401935 11/09/06 Arizona Water Co - Coolidge N Heartland - Unit 3 Pinal 5 South 8 East 20 622 27-401936 05/02/06 Arizona Water Co - Coolidge N Coolidge Country Village Estates Pinal 5 South 8 East 21 150 27-300351 03/27/99 Arizona Water Co - Coolidge Y Carter Ranch Pinal 5 South 8 East 21 176 27-400377 09/18/01 Arizona Water Co - Coolidge Y Elizabeth Ranch Pinal 5 South 8 East 21 62 27-401872 11/30/05 Arizona Water Co - Coolidge Y The Village at Coolidge Pinal 5 South 8 East 21 51 27-500077 02/22/07 Arizona Water Co - Coolidge Y Kenilworth Gardens Pinal 5 South 8 East 22 & 23 1247 27-400393 12/11/00 Arizona Water Co - Coolidge Y KLC Ranch Pinal 5 South 8 East 23 24 27-300569 03/12/99 Arizona Water Co - Coolidge N 44 45 46 47 CLK Ranches (Formerly known as KLC Ranches) Pinal 5 South 8 East 23 745 27-500051 06/08/07 Arizona Water Co - Coolidge Y Picacho Crossing Pinal 5 South 8 East 27 625 27-401983 03/08/06 Arizona Water Co - Coolidge Y Picacho Village Pinal 5 South 8 East 27 137 27-500027 01/11/07 Arizona Water Co - Coolidge Y Park Homes Pinal 5 South 8 East 28 115 27-400293 05/30/00 Arizona Water Co - Coolidge Y 48 49 260 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Table 8.2-12 Assured Water Supply Determinations in the Pinal AMA (Cont)1 A. Certificates of Assured Water Supply Map Key 49 Subdivision County Landmark Ranch - Unit 1 - Parcel 1 McClellan Meadows Location No. of Lots ADWR File No. Date of Determination Water Provider at the Time of GRD Member Application Township Range Section Pinal 5 South 8 East 28 187 27-401111 02/02/04 Arizona Water Co - Coolidge N Pinal 5 South 8 East 28 325 27-401587 06/10/05 Arizona Water Co - Coolidge Y Landmark Ranch Unit 1, Parcels 2, 3,& 4 Pinal 5 South 8 East 28 451 27-401811 10/17/05 Arizona Water Co - Coolidge Y Stoney Creek Estates I & II Pinal 5 South 8 East 28 48 27-700339 01/15/08 Arizona Water Co - Coolidge Y Landmark Ranch, Parcels 9 & 10 Pinal 5 South 8 East 33 244 27-402042 05/11/06 Arizona Water Co - Coolidge Y N 50 Brighton Village Phase 1 Pinal 5 South 8 East 33 890 27-500001 01/18/07 Arizona Water Co - Coolidge 51 Cross Creek Ranch I Phases 1-8 and Cross Creek Ranch II Pinal 5 South 8 East 16, 17 & 25 1311 27-401940 03/13/06 Arizona Water Co - Coolidge Y 52 Heartland - Unit 2 Pinal 5 South 8 East 667 27-401630 11/15/05 Arizona Water Co - Coolidge N 53 Homestead Acres Pinal 5 South 9 East 17 45 27-200145 07/07/87 Arizona Water Co - Coolidge N 54 Valley Vista Estates Pinal 5 South 9 East 20 115 27-400370 12/06/00 Arizona Water Co - Coolidge Y 56 Mesquite Tree Ranch Pinal 6 South 5 East 10 150 27-400150 01/28/00 Arizona Water Co - Casa Grande Y 57 Gadsden Greens Pinal 6 South 5 East 12 391 27-400193 07/20/00 Arizona Water Co - Casa Grande Y 58 Westfield Park Pinal 6 South 5 East 23 282 27-401987 03/08/06 Arizona Water Co - Casa Grande Y 59 Central Arizona Commerce Park Pinal 6 South 5 East 25 18 27-700410 11/08/07 Arizona Water Co - Casa Grande N 60 Acacia Farms Pinal 6 South 5 East 26 & 35 1314 27-402146 10/04/06 Arizona Water Co - Casa Grande Y 63 Central Arizona Commerce Park Phase 2 Pinal 6 South 5 East 6 27-700501 05/14/08 Arizona Water Co - Casa Grande N 64 Desert Reins Pinal 6 South 6 East 1 31 27-402266 11/09/06 Arizona Water Co - Casa Grande Y 65 Sandalwood, Phase 1 Pinal 6 South 6 East 2 47 27-300345 12/23/97 Arizona Water Co - Casa Grande N 66 Mission Ranch Pinal 6 South 6 East 3 344 27-401122 07/19/04 Arizona Water Co - Casa Grande Y Arroyo Vista Pinal 6 South 6 East 4 509 27-401367 07/21/04 Arizona Water Co - Casa Grande N Mission Ranch II Pinal 6 South 6 East 3 157 27-500054 03/23/07 Arizona Water Co - Casa Grande Y Santa Rosa Pinal 6 South 6 East 4 201 27-300446 08/21/98 Arizona Water Co - Casa Grande Y Mountain View Ranch Parcel E Pinal 6 South 6 East 4 137 27-400195 11/21/00 Arizona Water Co - Casa Grande Y Mountain View Ranch, Parcels B,C,D Pinal 6 South 6 East 4 184 27-401313 08/18/04 Arizona Water Co - Casa Grande Y Mountain View Ranch Parcel F Pinal 6 South 6 East 4 85 27-401378 04/22/05 Arizona Water Co - Casa Grande Y Quail Run Pinal 6 South 6 East 5 38 27-300316 10/16/97 Arizona Water Co - Casa Grande Y Pebble Trail Pinal 6 South 6 East 5 51 27-300432 08/21/98 Arizona Water Co - Casa Grande Y Pebble Trail Units 3, 4 & 5 Pinal 6 South 6 East 5 80 27-400108 02/17/00 Arizona Water Co - Casa Grande Y Cornerstone Pinal 6 South 6 East 5 26 27-400176 01/19/00 Arizona Water Co - Casa Grande Y 67 68 69 71 Manor Vista Pinal 6 South 6 East 5 7 27-400200 05/01/00 Arizona Water Co - Casa Grande N McCartney Ranch Pinal 6 South 6 East 5 2334 27-400202 05/30/00 Arizona Water Co - Casa Grande Y McCartney Ranch, Parcel 2 aka Tierra Pointe Apartments Pinal 6 South 6 East 5 236 27-700247 03/19/07 Arizona Water Co - Casa Grande Y Casa Mirage Pinal 6 South 6 East 7 86 27-300421 06/23/98 Arizona Water Co - Casa Grande Y Los Portales Pinal 6 South 6 East 7 208 27-401011 12/30/04 Arizona Water Co - Casa Grande Y Santa Cruz Village Pinal 6 South 6 East 7 386 27-401416 11/23/04 Arizona Water Co - Casa Grande Y Mesquite Trails Pinal 6 South 6 East 7 159 27-402054 07/05/06 Arizona Water Co - Casa Grande Y Lake Shore Village Office Condominiums Pinal 6 South 6 East 7 24 27-700290 08/30/07 Arizona Water Co - Casa Grande N Rodeo Ranch Estates Pinal 6 South 6 East 8 37 27-401978 05/07/06 Arizona Water Co - Casa Grande Y Elaine Farms Pinal 6 South 6 East 8 532 27-402058 10/19/07 Arizona Water Co - Casa Grande Y Bella Visa Estates Pinal 6 South 6 East 9 253 27-700266 11/27/07 Arizona Water Co - Casa Grande Y Mission Valley Unit One Pinal 6 South 6 East 10 891 27-400454 05/03/01 Arizona Water Co - Casa Grande N 72 73 74 Mission Valley Unit II Pinal 6 South 6 East 10 227 27-400599 06/07/02 Arizona Water Co - Casa Grande Y 75 Vista Ranch Pinal 6 South 6 East 14 1112 27-402289 05/23/07 Arizona Water Co - Casa Grande Y Highland Manor Pinal 6 South 6 East 15 305 27-400495 09/14/01 Arizona Water Co - Casa Grande Y 76 Monterra Village Pinal 6 South 6 East 15 253 27-401484 02/10/05 Arizona Water Co - Casa Grande Y Tamaron Pinal 6 South 6 East 15 422 27-401487 11/23/04 Arizona Water Co - Casa Grande Y SK Ranch Pinal 6 South 6 East 16 281 27-400140 12/10/99 Arizona Water Co - Casa Grande N Y 77 Cottonwood Ranch Pinal 6 South 6 East 16 923 27-400323 11/07/00 Arizona Water Co - Casa Grande G Diamond Ranch a Portion of Parcel "C" Pinal 6 South 6 East 16 224 27-401548 01/25/05 Arizona Water Co - Casa Grande Y 'G' Diamond Ranch Preserve Pinal 6 South 6 East 16 10 27-401929 06/20/06 Arizona Water Co - Casa Grande N G-Diamond Ranch Parcels D and E Phase II Pinal 6 South 6 East 16 324 27-402280 12/11/06 Arizona Water Co - Casa Grande N Rancho Palo Verde Estates Pinal 6 South 6 East 17 108 27-400088 12/02/99 Arizona Water Co - Casa Grande Y Safeway Store #1706 Pinal 6 South 6 East 17 6 27-400419 04/18/01 Arizona Water Co - Casa Grande Y Desert Sky Ranch Pinal 6 South 6 East 18 108 27-300261 08/08/97 Arizona Water Co - Casa Grande Y 78 Desert Sky Ranch Unit II and IV Pinal 6 South 6 East 18 262 27-400429 04/06/01 Arizona Water Co - Casa Grande Y Desert Crossing Pinal 6 South 6 East 18 249 27-400646 06/07/02 Arizona Water Co - Casa Grande Y Y 79 Desert Views Pinal 6 South 6 East 18 200 27-402055 08/18/06 Arizona Water Co - Casa Grande Saguaro Estates Pinal 6 South 6 East 19 9 27-300389 03/20/98 Arizona Water Co - Casa Grande Y Lancaster Estates Pinal 6 South 6 East 19 11 27-400248 06/28/00 Arizona Water Co - Casa Grande Y N Cottonwoods, The Pinal 6 South 6 East 19 197 27-400303 07/27/00 Arizona Water Co - Casa Grande Jardines de Esperanzas Pinal 6 South 6 East 19 16 27-400402 08/09/01 Arizona Water Co - Casa Grande Y The Cottonwoods, Phase II - VI Pinal 6 South 6 East 19 393 27-402014 05/10/06 Arizona Water Co - Casa Grande N Cottonwoods Industrial Park Pinal 6 South 6 East 19 10 27-700360 09/06/07 Arizona Water Co - Casa Grande N Casa de Ensueno Pinal 6 South 6 East 21 11 27-300095 07/10/96 Arizona Water Co - Casa Grande Y Echeverria Estates Pinal 6 South 6 East 21 12 27-300353 04/15/98 Arizona Water Co - Casa Grande Y 80 82 Section 8.2 Pinal Active Management Area 261 Arizona Water Atlas Volume 8 Table 8.2-12 Assured Water Supply Determinations in the Pinal AMA (Cont)1 A. Certificates of Assured Water Supply Map Key Subdivision County Location Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of GRD Member Application Smoketree-1c Pinal 6 South 6 East 21 30 27-400171 04/20/99 Arizona Water Co - Casa Grande Y Ironwood Commons Pinal 6 South 6 East 21 267 27-400214 08/10/00 Arizona Water Co - Casa Grande Y Garrett Estates Pinal 6 South 6 East 21 6 27-400311 12/11/00 Arizona Water Co - Casa Grande Y Cottonwood Village Pinal 6 South 6 East 21 16 27-400313 04/30/01 Arizona Water Co - Casa Grande Y Ironwood Commons II Pinal 6 South 6 East 21 79 27-401437 01/05/05 Arizona Water Co - Casa Grande Y Cottonwood Commons Pinal 6 South 6 East 21 27 27-401473 12/09/04 Arizona Water Co - Casa Grande Y 82 83 84 Cinco Viejos Pinal 6 South 6 East 21 8 27-401580 03/16/05 Arizona Water Co - Casa Grande Y Acacia Lofts Pinal 6 South 6 East 21 180 27-401822 11/30/05 Arizona Water Co - Casa Grande Y Acacia Landing Pinal 6 South 6 East 21 350 27-400168 03/02/00 Arizona Water Co - Casa Grande Y Pueblo Townhomes Pinal 6 South 6 East 21 40 27-402262 11/06/06 Arizona Water Co - Casa Grande Y Casa Grande Medical Campus Pinal 6 South 6 East 22 9 27-300538 03/29/99 Arizona Water Co - Casa Grande Y Sandalwood, Phase 2 Pinal 6 South 6 East 22 47 27-300545 01/21/99 Arizona Water Co - Casa Grande N Villa De Jardines Pinal 6 South 6 East 22 124 27-400063 12/22/99 Arizona Water Co - Casa Grande N Sandalwood, Phase 3 Pinal 6 South 6 East 22 58 27-400217 03/21/00 Arizona Water Co - Casa Grande N Silverhawk Pinal 6 South 6 East 22 158 27-400234 04/13/00 Arizona Water Co - Casa Grande Y Ironwood Village Pinal 6 South 6 East 22 264 27-400281 10/27/00 Arizona Water Co - Casa Grande Y Wildwood Pinal 6 South 6 East 22 97 27-400605 05/14/02 Arizona Water Co - Casa Grande Y The Promenade at Casa Grande Pinal 6 South 6 East 24 31 27-700316 07/09/07 Arizona Water Co - Casa Grande N Mission Royal Parcels A, H, & I Pinal 6 South 6 East 25 322 27-400797 05/20/03 Arizona Water Co - Casa Grande Y Mission Royale Block M Pinal 6 South 6 East 25 73 27-401100 12/16/03 Arizona Water Co - Casa Grande N 85 86 Mission Royale Block G Pinal 6 South 6 East 25 180 27-401101 12/16/03 Arizona Water Co - Casa Grande N Mission Royale Phase 2, Parcel F Pinal 6 South 6 East 25 245 27-401949 03/27/06 Arizona Water Co - Casa Grande N Sonoran Heights Pinal 6 South 6 East 26 1076 27-400237 11/07/00 Arizona Water Co - Casa Grande Y Casa Grande Crossings Pinal 6 South 6 East 26 635 27-400452 05/02/01 Arizona Water Co - Casa Grande N Sonoran Heights Pinal 6 South 6 East 26 750 27-401839 11/15/05 Arizona Water Co - Casa Grande Y Carlton Commons Pinal 6 South 6 East 27 892 27-401335 01/24/05 Arizona Water Co - Casa Grande Y Carlton Commons Phase 4 & 5 Pinal 6 South 6 East 27 508 27-401371 03/25/05 Arizona Water Co - Casa Grande Y Sierra Ranch II Pinal 6 South 6 East 27 471 27-401881 03/08/06 Arizona Water Co - Casa Grande Y McNatt Estates Pinal 6 South 6 East 27 28 27-500091 04/18/07 Arizona Water Co - Casa Grande N McMurtry Ranch Pinal 6 South 6 East 28 7 27-400830 02/14/03 Arizona Water Co - Casa Grande N Southfork Unit II Pinal 6 South 6 East 28 28 27-401611 05/09/05 Arizona Water Co - Casa Grande N Tuscany Pinal 6 South 6 East 28 189 27-401789 04/18/06 Arizona Water Co - Casa Grande Y Trekell Estates Pinal 6 South 6 East 29 40 27-400312 06/11/01 Arizona Water Co - Casa Grande Y 90 Parks Ranch Pinal 6 South 6 East 30 165 27-500086 04/10/07 Arizona Water Co - Casa Grande N 91 Vista Estates Pinal 6 South 6 East 35 1186 27-500058 06/13/07 Arizona Water Co - Casa Grande Y 92 Las Palmas Pinal 6 South 6 East 66 27-700491 06/13/08 Arizona Water Co - Casa Grande Y 93 The Shops at TC Village Pinal 6 South 6 East 7 27-700462 04/25/08 Arizona Water Co - Casa Grande Y 94 Desert Sky Ranch, Unit III, Phase IV Pinal 6 South 6 East 75 27-700406 02/08/08 Arizona Water Co - Casa Grande Y 95 Los Alamos Professional Condominium Complex Pinal 6 South 6 East 22 27-700500 05/20/08 Arizona Water Co - Casa Grande Y Mission Royale Phase 2, Parcel C Pinal 6 South 6 East 145 27-401895 10/04/06 Arizona Water Co - Casa Grande Y Mission Royale Phase 2, Parcel D Pinal 6 South 6 East 164 27-401896 03/08/06 Arizona Water Co - Casa Grande N Mission Royale Phase 2, Parcel E Pinal 6 South 6 East 121 27-401897 03/08/06 Arizona Water Co - Casa Grande N Marabella Parcels 1,2,& 3 Pinal 6 South 6 East 281 27-700448 02/12/08 Arizona Water Co - Casa Grande Y Mission Royale Phase 3, Parcel 1 Pinal 6 South 6 East 178 27-401898 03/08/06 Arizona Water Co - Casa Grande N Mission Royale Phase 3, Parcel 2 Pinal 6 South 6 East 119 27-401899 03/08/06 Arizona Water Co - Casa Grande N Mission Royale Phase 3, Parcel 3 Pinal 6 South 6 East 85 27-401900 03/08/06 Arizona Water Co - Casa Grande N Mission Royale Phase 3, Parcel 4 Pinal 6 South 6 East 177 27-401901 03/08/06 Arizona Water Co - Casa Grande N Mission Royale Phase 3, Parcel 5 Pinal 6 South 6 East 159 27-401902 03/08/06 Arizona Water Co - Casa Grande N Mission Royale Phase 3, Parcel 6 Pinal 6 South 6 East 158 27-401903 04/27/06 Arizona Water Co - Casa Grande N Mission Royale Phase 3, Parcel 7 Pinal 6 South 6 East 164 27-401904 05/02/06 Arizona Water Co - Casa Grande N 99 Vista Del Rey Estates Pinal 6 South 7 East 3 80 27-401817 08/11/06 Arizona Water Co - Casa Grande Y 99 Saddle Creek II Pinal 6 South 7 East 3 144 27-401828 07/26/06 Arizona Water Co - Casa Grande Y Arroyo Verde Estates Pinal 6 South 7 East 6 94 27-401677 10/12/05 Arizona Water Co - Casa Grande Y Overfield Country Estates Pinal 6 South 7 East 6 68 27-700288 10/23/07 Arizona Water Co - Casa Grande Y Post Ranch Pinal 6 South 7 East 29 2417 27-401944 02/22/06 Arizona Water Co - Casa Grande N Hacienda Highlands Pinal 6 South 7 East 30 266 27-402070 07/06/06 Arizona Water Co - Casa Grande N Hacienda Estates Pinal 6 South 7 East 30 275 27-402071 07/06/06 Arizona Water Co - Casa Grande N Springwater Pointe Pinal 6 South 7 East 30 497 27-402135 02/02/07 Arizona Water Co - Casa Grande Y Tierra Grande Co Club Twnhs #1 Pinal 6 South 7 East 36 NA 27-200347 03/23/84 Arizona Water Co - Casa Grande N Tierra Grande Village #1-6 Pinal 6 South 7 East 36 NA 27-200349 08/01/83 Arizona Water Co - Casa Grande N Sun Fair Estates Pinal 6 South 7 East 36 73 27-300561 12/01/98 Arizona Water Co - Casa Grande N 107 EJR Ranch, Phase II Pinal 6 South 7 East 32, 33 & 34 3640 27-402076 07/12/06 Picacho Water Company Y 108 Sunrise at Wildhorse Pinal 6 South 8 East 4 95 27-400882 08/01/03 Arizona Water Co - Coolidge Y 87 88 89 96 97 98 25 & 36 25 & 36 101 104 105 106 109 Sunset View Units 1 & 2 Pinal 6 South 8 East 5 45 27-400836 04/16/03 Arizona Water Co - Casa Grande Y 110 Verona at 11 Mile Corner Pinal 6 South 8 East 6 1468 27-401924 12/20/06 Arizona Water Co - Coolidge Y 262 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Table 8.2-12 Assured Water Supply Determinations in the Pinal AMA (Cont)1 A. Certificates of Assured Water Supply County Location Map Key Subdivision 111 Northview Estates Pinal 6 South 112 Saguaro Estates Pinal 6 South Township Date of Determination Water Provider at the Time of GRD Member Application Section No. of Lots 8 East 31 198 27-400044 07/01/99 Arizona Water Co - Casa Grande Y 10 East 11 33 27-200307 06/30/81 Arizona Water Co - Casa Grande N Range ADWR File No. Casa Vista Pinal 7 South 6 East 2 366 27-402024 07/10/06 Arizona Water Co - Casa Grande N The Shops at Palm Court Pinal 7 South 6 East 294 27-700251 06/15/07 Arizona Water Co - Casa Grande N Sun Lakes- Casa Grande Pinal 7 South 7 East 7891 27-400614 12/16/02 Picacho Water Company Y Robson Ranch Unit 60 Pinal 7 South 7 East 2 3, 4, 8, 9, 16 & 17 3 255 27-401775 11/18/05 Picacho Water Company Y 115 Robson Ranch Arizona Units 27 & 28 Pinal 7 South 7 East 20 & 21 583 27-402206 02/22/07 Picacho Water Company Y 117 Villa Grande Casa Simpatico #2 Pinal 7 South 8 East 28 41 27-200376 11/19/85 Villa Grande DWID N 118 Sunland Ranches Pinal 8 South 6 East 13 84 27-400203 03/21/00 Arizona Water Co - Casa Grande N Brookside Farms Pinal 8 South 6 East 14 15 27-400738 02/24/03 Sunland Water Company N Phillips Country Estates Pinal 8 South 6 East 14 459 27-402276 01/30/07 Sunland Water Company Y 121 Toltec Estates West Pinal 8 South 7 East 4 30 27-400165 01/05/00 NA N 122 Hacienda Palo Verde Pinal 8 South 7 East 5 21 27-400531 03/27/02 Arizona Water Co - Casa Grande Y 123 Casitas Hermosa Pinal 8 South 7 East 6 10 27-200042 12/20/84 Arizona Water Co - Casa Grande N 124 Rae-Berwick Townhomes Pinal 8 South 7 East 6&7 4 27-200272 04/13/81 Arizona Water Co - Casa Grande N Milliner Project,The Pinal 8 South 7 East 19 & 30 72 27-200198 01/29/82 NA N Sunland Estates Pinal 8 South 7 East 19 & 30 25 27-200332 05/04/88 NA N 128 Picacho Pecans Pinal 8 South 8 East 15 & 22 695 27-200228 11/22/89 NA N 129 Agrocenter AZ R E Ltd Prtnrshp Pinal 8 South 8 East 31 50 27-200002 07/09/84 City of Eloy N 130 Picacho Peak Estates Pinal 9 South 8 East 6 64 27-300427 09/15/98 NA N Unnamed property, Pinal Co. Pinal 10 South 6 East 13 9 27-200369 04/06/84 Silverbell Irrigation and Drainage District N Y 113 114 119 126 132 Montana Del Sol Pinal 10 South 6 East 13 203 27-401098 02/17/04 Silverbell Irrigation and Drainage District ADWR File No. ADWR Adequacy Determination2 Date of Determination Water Provider at the Time of Application Source: ADWR 2008 B. Water Adequacy Reports Location Map Key Subdivision County Township Range Section No. of Lots 9 Caliente Casa del Sol Pinal 4 South 9 East 24 218 53-500376 Adequate 09/19/73 Town of Florence 10 Thunderbird Farms North Pinal 5 South 2 East 2 41 53-501542 Inadequate 02/20/81 NA 11 Papago Buttes Ranchos Pinal 5 South 2 East 13 & 24 180 53-501102 Adequate 01/30/79 NA 225 53-501101 Inadequate 09/19/73 NA 14 Papago Buttes Ranchos Pinal 5 South 3 East 18, 19, 20, 21 & 29 21 Saddleback Farms #2 Pinal 5 South 4 East 11 88 53-501349 Adequate 12/24/73 NA 23 Park West Pinal 5 South 6 East 17 107 53-501124 Adequate 07/13/73 Arizona Water Co - Casa Grande 55 Hacienda Acres Pinal 6 South 2 East 4 24 53-500768 Adequate 06/03/74 NA 81 Bomac Corporation Subdivision Pinal 6 South 6 East 20 48 53-500347 Adequate 06/07/73 Arizona Water Co - Casa Grande 100 College View Ranchettes Pinal 6 South 7 East 4 16 53-500483 Adequate 11/09/78 Signal Peak Water Co 106 Tierra Grande Pinal 6 South 7 East 36 0 53-501548 Adequate 07/10/73 Arizona Water Co - Casa Grande 116 Villa Grande Pinal 7 South 8 East 22 192 53-501625 Adequate 12/31/73 Villa Grande DWID Sunland Water Company 119 Sunland Estates Pinal 8 South 6 East 14 119 53-501498 Adequate 06/13/73 119 Sunland Estates #2,3 Pinal 8 South 6 East 14 430 53-501499 Adequate 07/10/74 Sunland Water Company 120 Sunland Park #1 Pinal 8 South 6 East 25 56 53-501500 Adequate 12/10/73 Sunland Water Company 125 Arizona City #17 Pinal 8 South 7 East 8 120 53-500285 Adequate 08/08/73 Arizona Water Co - Casa Grande 131 Silver Bell Estates Units 1-5 Pinal 10 South 6 East 10 270 53-501408 Adequate 01/29/74 Silverbell Irrigation and Drainage District Source: ADWR 2008 Notes: NA = Not available at this time Section 8.2 Pinal Active Management Area 263 Arizona Water Atlas Volume 8 Table 8.2-12 Assured Water Supply Determinations in the Pinal AMA (Cont)1 C. Analyses of Assured Water Supply Location Map Key Subdivision County No. of Lots ADWR File No. Township Range Section Date of Determination Water Provider at the Time of Application 13 Amarillo Creek Pinal 5 South 3 East 17 & 20 3,235 28-401363 02/10/05 387 District 15 Villages at Palomino Ranch Pinal 5 South 3 East 18 & 19 2,100 28-401364 07/07/05 387 District 16 Pecan Woods Pinal 5 South 3 East 20 581 28-401362 01/24/05 387 District 17 Red River Pinal 5 South; 6 South 3 East; 4 East 25, 26 & 27; 25 & 26 15,210 28-401958 05/24/06 NA Sunset Canyon Pinal 5 South 3 East 28 1,225 28-401361 12/28/04 387 District McLean Ranch Pinal 5 South 3 East 28 1,200 28-401365 02/10/05 387 District 19 Papago and Val Vista Property Pinal 5 South 3 East 29 2,569 28-401360 02/22/05 387 District 43 Cross Creek Ranch Pinal 5 South 8 East 16 & 17 1,676 28-401734 08/22/05 Arizona Water Co - Coolidge 61 Traviano Pinal 6 South; 7 South 5 East; 5 East 34; 3, 4, 9, 10 & 15 9,012 28-402194 09/15/06 Arizona Water Co - Casa Grande 62 Francisco Grande Pinal 6 South 5 East 20 & 21 1,875 28-300052 01/25/96 Francisco Grande Utility Company 70 Villago Phases 2,3,4 & Villago Village Pinal 6 South 6 East 6 5,792 28-401951 03/07/06 Arizona Water Co - Casa Grande 84 Casa Grande 761 Pinal 6 South 6 East 13 & 24 1,628 28-700408 10/24/07 Arizona Water Co - Casa Grande Sun Dance Ranch Pinal 6 South 6 East 25 & 36 2,415 28-300169 08/01/96 Arizona Water Co - Casa Grande Mission Royale Pinal 6 South 6 East 25 & 36 2,415 28-400417 03/02/01 Arizona Water Co - Casa Grande 99 Vista Del Monte Pinal 6 South 7 East 3, 4 & 5 2,653 28-401917 03/07/06 Arizona Water Co - Casa Grande 102 EJR Ranch Pinal 6 South; 7 South 7 East; 7 East 26-28, 32-34;13 8,099 28-401544 03/02/05 Picacho Water Company 103 Northwest Quarter Section 28, T6S, R7E Pinal 6 South 7 East 28 583 28-402240 10/04/06 NA 8,000 28-400308 08/24/00 Picacho Water Company 4,500 28-402275 10/24/06 NA 18 85 114 Sun Lakes Casa Grande Pinal 7 South 7 East 3, 4, 8, 9, 16 & 17 127 Palmilla Pinal 8 South 8 East 4&5 Source: ADWR 2008 D. Designated Water Providers Projected or Year of Projected Annual or Annual Estimated Estimated Demand Demand (af/yr) Map Key Water Provider Name County Designation No. Date Application Received Date Designation Issued A City of Casa Grande Pinal 26-400728 05/06/02 07/21/03 4,113 B City of Eloy Pinal 26-402148 05/10/06 02/20/07 49,159 2015 C Johnson Utilities Pinal 26-401382 05/26/04 10/14/05 551 2007 D Santa Cruz Water Company Pinal 26-402008 01/24/06 12/27/07 23,979 2013 E Town of Florence Pinal 26-401284 03/12/04 01/25/05 12,310 2014 2013 Source: ADWR 2008 Notes: Prior to February 1995, ADWR did not assign file numbers to applications for adequacy. Between 1995-2006 all applications for adequacy were given a file number with a 22 prefix. In 2006 a 53 prefix was assigned to all water adequacy reports and applications regardless of their issue date. 1 Includes water reports issued under the Water Adequacy program prior to 1980 implementation of the Assured Water Supply program. 2 Assured and Adequate determinations are based on the information available to ADWR and the standards of review and policies in effect at the time the determination was made. A determination of inadequacy could be due to insufficent physical or legal access to water or poor water quality. The Adequacy Program was replaced by the Assured Water Supply Program in the AMAs in 1980. 264 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 Section 8.2 Pinal Active Management Area 265 Arizona Water Atlas Volume 8 Pinal AMA References and Supplemental Reading References A Arizona Department of Economic Security (DES), 2005, Workforce Informer: Data file, accessed August 2005, http://www.workforce.az.gov. (Cultural Water Demand Table) Arizona Department of Environmental Quality, 2005a, Azurite: Data file, received September 2005, updated 2008. _____, 2005b, Effluent dependent waters: GIS cover, received December 2005. _____, 2005c, Impaired lakes and reaches: GIS cover, received January 2006. _____, 2004a, Water quality exceedences by watershed: Data file, received June 2004. (Water Quality Map and Table) _____, 2004b, Water quality exceedences for drinking water providers in Arizona: Data file, received September 2004. (Water Quality Map and Table) _____, 2002, The Status of Water Quality in Arizona – 2002: Volume 1. Arizona’s Integrated 305(b) Assessment and 303(b) Listing Report Arizona Department of Water Resources (ADWR), 2009, Estimated cultural water demand in the AMA Planning Area: Unpublished Analysis, ADWR Office of Data Management. _____, 2008, Assured and adequate water supply applications: Project files, ADWR Hydrology Division. _____, 2005a, Flood warning gages: Database, ADWR Office of Water Engineering. _____, 2005b, Inspected dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005c, Non-jurisdictional dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005d, Groundwater Site Inventory (GWSI): Database, ADWR Hydrology Division. _____, 2005e, Registry of surface water rights: ADWR Office of Water Management. (Reservoirs and Stockponds Table) _____, 2005f, Wells55: Database. _____, 2004a, Annual withdrawal and use reports for the Pinal AMA: ADWR Office of Water Management. _____, 2004b, Pinal AMA Water Budget, ADWR Pinal AMA Modeling Files _____, 1999, Third Management Plan for the Pinal Active Management Area 2000-2010. _____, 1994a, Arizona Water Resources Assessment, Vol. I, Inventory and Analysis. _____, 1994b, Arizona Water Resources Assessment, Vol. II, Hydrologic Summary. Arizona Game and Fish Department (AGF), 1997 & 1993, Statewide riparian inventory and mapping project: GIS cover. Arizona Land Resource Information System (ALRIS), 2005a, Springs: GIS cover, accessed January 2006 at http://www.land.state.az.us/alris/index.html. _____, 2005b, Streams: GIS cover, accessed 2005 at http://www.land. state.az.us/alris/index. html. _____, 2005c, Water features: GIS cover, accessed July 2005 at http://www.land. state.az.us/alris/ Section 8.2 Pinal Active Management Area 266 Arizona Water Atlas Volume 8 index.html. _____, 2004, Land ownership: GIS cover, accessed in 2004 at http://www.land.state.az. us/alris/index.html. Arizona Meteorological Network (AZMET), 2007, Arizona climate stations: Pan evaporation data, accessed December 2005 at http://www.ag.arizona.edu/ azmet/locate.html. E Environmental Protection Agency (EPA), 2004 and 2006, Clean Watershed Needs Survey: datasets, accessed March 2005 at http://www.epa.gov/owm/mtb/cwns/index.htm. O Oregon State University, Spatial Climate Analysis Service (SCAS), 1998, Average annual precipitation in Arizona for 1961-1990: PRISM GIS cover, accessed in 2006 at www.ocs. orst.edu/prism. P Pinal County, 2001, Pinal County Comprehensive Plan, Adopted by the Pinal County Board of Supervisors December 19, 2001. U US Army Corps of Engineers, 2004 and 2005, National Inventory of Dams: Arizona Dataset, accessed November 2004 to April 2005 at http://crunch.tec.army.mil/nid/webpages/nid. cfm (Reservoirs and Stockponds Table) United States Geological Survey (USGS), 2008 & 2005, National Water Information System (NWIS) data for Arizona: Accessed October 2008 at http://waterdata.usgs.gov/nwis. _____, 2006a, National Hydrography Dataset: Arizona dataset, accessed at http://nhd.usgs.gov/. _____, 2006b, Springs and spring discharges: Dataset, received November 2004 and January 2006 from USGS office in Tucson, AZ. _____, 2004, National Gap Analysis Program - Southwest Regional Gap analysis study- land cover descriptions: Electronic file, accessed January 2005 at http://earth.gis.usu.edu / swgap. _____, 1981, Geographic digital data for 1:500,000 scale maps: USGS National Mapping Program Data Users Guide. W Western Regional Climate Center (WRCC), 2005, Pan evaporation stations: Data file accessed December 2005 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwDI~GetCity~USA. _____, 2005, Precipitation and temperature stations: Data file, accessed December 2007 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwDI~GetCity~USA. Weidner, C., 1996, ADEQ Pollution Prevention Report, Arizona Pollution Prevention. Spring/Summer 1996. (Water Quality Map and Table) Supplemental Reading Arizona Department of Environmental Quality, 2007, Ambient Groundwater Quality of the Pinal Active Management Area: A 2005-2006 Baseline Study, ADEQ Fact Sheet C -7-27. 267 Section 8.2 Pinal Active Management Area Arizona Water Atlas Volume 8 City of Casa Grande, 2001, City of Casa Grande General Plan 2010: Chapter 8 Water Resources Element. Colby, B.G. and K.L. Jacobs eds, 2007, Arizona Water Policy: Management and Innovations in an Urbanizing, Arid Region: Resources for the Future, Washington D.C. Corkhill, E.F. and P.R. Plato, 1992, Pinal Active Management Area Second Management Plan Simulations of Water Use Scenarios Utilizing the Pinal AMA Regional Groundwater Flow Model: Arizona Department of Water Resources, Model Report No. 04 - 000190 Corkhill, E.F. and B.M. Hill, 1990, Pinal Active Management Area Regional Groundwater Flow Model Phase II: Numerical Model, Calibration, Sensitivity and Recommendations: Arizona Department of Water Resouces, Model Report No. 02 - 000188. Governor’s Drought Task Force, 2004, Arizona Drought Preparedness Plan. Draft. Phoenix. _____, 2004, Arizona Drought Management Plan. Draft. Phoenix Governor’s Water Management Commission, 2002, Final Report and Recommendations. Phoenix: Arizona Department of Water Resources. _____, 2000, Briefing Book: Water Management Framework for AMAs, Groundwater Use Restrictions and Requirements. Phoenix: Arizona Department of Water Resources. Hammett, B.A., 1992, Maps showing groundwater conditions in the Eloy and Maricopa-Stanfield sub-basins of the Pinal Active Management Area, Pinal, Pima, and Maricopa Counties, Arizona 1989, Arizona Department of Water Resources, HMS No. 23 - 000238. Holway, J.M. and K.L. Jacobs, 2006, Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth: in Mays, L., eds., Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth. McGraw-Hill. Jacobs, K. L. and J. M. Holway, 2004, Lessons Learned from Twenty Years of Groundwater Management in Arizona, USA. Hydrogeology Journal. 12, No. 1. Megdal, S. and Z. Smith, 2008, Evolution and Evaluation of the Active Management Area Management Plans, Water Resources Research Center, University of Arizona. Megdal, S. and B. Colby, 2004, Arizona’s Water Future: Challenges and Opportunities, 85th Arizona Town Hall Background Report, University of Arizona. Rascona, S.J., 2003, Maps showing groundwater conditions in the Pinal Active Management Area, Maricopa, Pinal, and Pima Counties, Arizona-Nov. 2002-Feb 2003: Arizona Department of Water Resources, HMS No. 36 - 000319 Seventy-first Arizona Town Hall. 1997. Ensuring Arizona’s Water Quantity and Quality into the Section 8.2 Pinal Active Management Area 268 Arizona Water Atlas Volume 8 21st Century. Marshall A. Worden, editor. Phoenix: Arizona Town Hall. Town of Florence, 2002, Florence Area General Plan Update. 269 Section 8.2 Pinal Active Management Area Section 8.3 Prescott AMA 270 Arizona Water Atlas Volume 8 8.3.1 Geography of the Prescott AMA The Prescott AMA is 485 square miles in area, the smallest AMA in the planning area. Geographic features and principal communities are shown on Figure 8.3-1. Prescott is the only AMA in the planning area in the Central Highlands physiographic province and is characterized by rolling hills and broad valleys. Vegetation types include plains and Great Basin grassland, southwestern interior chaparral, Great Basin conifer woodland and petran montane conifer forest. (See Figure 8.0-10) • Principal geographic features shown on Figure 8.3-1 are: o The Agua Fria River running southeast from near the AMA center to Dewey -Humboldt. o Lynx Creek joining the Agua Fria southeast of Prescott Valley. o Granite Creek running south to north and Willow Creek running west to east in the center of the AMA. o The Bradshaw Mountains on the south, Granite Mountain and Sullivan Buttes to the west, and the Black Hills along the northeast AMA boundary (not well shown on the map). o Chino Valley in the north central part of the AMA. o The lowest point in the AMA at 4,280 feet where Granite Creek exits the AMA. o The highest point in the AMA, Mount Davis at 7,882 feet in the Bradshaw Mountains in the southernmost part of the AMA. 271 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Section 8.3 Prescott Active Management Area 272 Arizona Water Atlas Volume 8 8.3.2 Land Ownership in the Prescott AMA Land ownership, including the percentage of ownership by category, for the Prescott AMA is shown in Figure 8.3-2. The principal feature of land ownership in the AMA is the relatively large amount of private land dispersed in a checkerboard pattern with state trust land. A description of land ownership data sources and methods is found in Volume 1, Appendix A. More detailed information on National Monuments and Wilderness Areas is found in Section 8.0.4. Land ownership categories are discussed below in the order of largest to smallest percentage in the AMA. Private • 55.0% of the land is private; the largest percentage of any of the AMA basins. • Land uses include domestic, commercial, agriculture and grazing. National Forest • 21.9% of the land is federally owned and managed by the United States Forest Service (USFS) as the Prescott National Forest. • The AMA contains 1,411 acres of the 5,553-acre Woodchute Wilderness along the east central border of the AMA north of Highway 89A (See Figure 8.0-13). • Land uses include recreation, grazing and timber production. State Trust Land • 21.2% of the land is held in trust for the public schools and other beneficiaries under the State Trust Land system. • Primary land use is grazing. U.S. Bureau of Land Management (BLM) • 1.1% of the land is federally owned and managed by the Hassayampa Field Office of the U.S. Bureau of Land Management. • Primary land use is grazing. Indian Reservation • 0.4% of the land is under ownership of the Yavapai-Prescott Tribe. • Land uses include domestic and commercial. Other (Game and Fish, County and Bureau of Reclamation Lands) • 0.2% of the land is owned and managed by local or regional governments, principally Pioneer Park. • Primary land use is recreation. U.S. Military • 0.1% of the land is federally owned by the U.S. Military • Originally the site of Fort Whipple, these lands are now the location of Yavapai Community College and Veterans Administration Medical Center. 273 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Section 8.3 Prescott Active Management Area 274 Arizona Water Atlas Volume 8 8.3.3 Climate of the Prescott AMA Climate data from NOAA/NWS Co-op Network stations are complied in Table 8.3-1 and the locations are shown on Figure 8.3-3. Figure 8.3-3 also shows precipitation contour data from the Spatial Climate Analysis Service (SCAS) at Oregon State University. The Prescott AMA does not contain AZMET or Evaporation Pan stations. More detailed information on climate is found in Section 8.0.3. A description of the climate data sources and methods is found in Volume 1, Appendix A. NOAA/NWS Co-op Network • Refer to Table 8.3-1A • There are four NOAA/NWS Co-op Network stations in the AMA. The average monthly maximum temperature occurs in July and is between 73.4°F and 75.6°F. The average monthly minimum temperature occurs in December or January and is between 36.9°F and 37.9°F. • Highest average seasonal rainfall occurs in the summer (July-September). For the period of record used, the highest average annual rainfall is 19.19 inches at the Prescott station and the lowest is 12.82 inches at the Chino Valley station. SNOTEL/Snocourse Stations • Refer to Table 8.3-1D • The AMA has one SNOTEL/Snocourse station, Copper Basin Divide. Average snowpack at this station was highest in January. SCAS Precipitation Data • See Figure 8.3-3 • Additional precipitation data shows average annual rainfall as high as 30 inches on the eastern AMA boundary and as low as 12 inches in the northern portion of the AMA. 275 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Table 8.3-1 Climate Data for the Prescott AMA A. NOAA/NWS Co-op Network: Station Name Period of Elevation Record Used for (in feet) Averages Monthly Average Temperature Range (in F) Average Precipitation (in inches) Max/Month Min/Month Winter Spring Summer Fall Annual Chino Valley 4,750 1971-2000 75.6/Jul 37.9/Dec,Jan 3.55 1.36 5.30 2.61 12.82 Prescott 5,205 1971-2000 73.4/Jul 37.1/Jan 5.36 1.80 8.22 3.81 19.19 Prescott Municipal 5,020 1948-20011 75.3/Jul 36.9/Jan 2.04 1.31 8.09 2.50 13.94 Yeager Canyon 6,000 1917-1948 NA NA 4.71 2.87 6.53 3.69 17.80 Source: WRCC, 2005 Notes: Average temperature data from period of record shown; average precipitation data from 1971 - 2000 NA - not available 1 B. Evaporation Pan: Station Name Period of Elevation Record Used for (in feet) Averages Avg. Annual Evap (in inches) None C. AZMET: Station Name Elevation (in feet) Average Annual Reference Evaportranspiration, in inches (Number of years to calculate averages) Period of Record None Co D. SNOTEL/Snowcourse: Station Name Copper Basin Divide Elevation (in feet) 6,720 Period of Record 1963 - 1996 (discontinued) Average Snowpack, at Beginning of the Month, as Inches Snow Water Content (Number of measurements to calculate average) Jan. Feb. March April May June 1.4 (24) 1.8 (34) 1.4 (34) 0.6 (34) 0 (3) 0 (0) Source: Natural Resources Conservation Service, 2006 Section 8.3 Prescott Active Management Area 276 Arizona Water Atlas Volume 8 277 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 8.3.4 Surface Water Conditions in the Prescott AMA Streamflow data, including average seasonal flow, annual flow and other information are shown in Table 8.3-2. Flood ALERT equipment in the AMA is shown in Table 8.3-3. Flood ALERT equipment information is current up to October 2005. New flood warning gages are routinely added to the ALERT network so the current number of stations may be greater. Reservoir and stockpond data, including maximum storage or maximum surface area, are shown in Table 8.3-4. The location of streamflow gages identified by USGS number, flood ALERT equipment, USGS runoff contours and large reservoirs are shown on Figure 8.3-4. Descriptions of stream, reservoir and stockpond data sources and methods are found in Volume 1, Appendix A. Streamflow Data • Refer to Table 8.3-2. • Data from six stations located at four watercourses are shown in the table and on Figure 8.3-4. • Average seasonal flow is highest at all stations in the winter season (January-March). • The largest annual flow recorded in the AMA is 18,757 acre-feet in 2005 at the Granite Creek near Prescott gage with a contributing drainage area of 36 square miles. Flood ALERT Equipment • Refer to Table 8.3-3. • There are 21 ALERT gages in the AMA, primarily precipitation or precipitation/stage gages. Reservoirs and Stockponds • Refer to Table 8.3-4. • The AMA contains four large reservoirs. The largest, Willow Creek, has a maximum storage of 7,800 acre-feet. • Reservoir uses include recreation and water supply. • Surface water is stored or could be stored in 13 small reservoirs. • There are 216 registered stockponds in the AMA. Runoff Contour • Refer to Figure 8.3-4. • Average annual runoff is one inch or 53.33 acre-feet per square mile. Section 8.3 Prescott Active Management Area 278 Arizona Water Atlas Volume 8 Table 8.3-2 Streamflow Data for the Prescott AMA Drainage 2 Area (in mi ) Gage Elevation (in feet) Period of Record Del Rio Springs near Chino Valley 41 4,430 9502960 Granite Creek at Prescott 30 9503000 Granite Creek near Prescott 9503300 9503500 Station Number USGS Station Name 9502900 Average Seasonal Flow (% of annual flow) Annual Flow/Year (in acre-feet) Years of Annual Flow Record Winter Spring Summer Fall Minimum Median Mean Maximum 8/1996-current (real time) 29 23 22 27 1,056 (2003) 1,313 1,300 1,490 (1997) 7 5,285 11/1994-current (real-time) 61 7 19 12 600 (2002) 3,052 5,059 16,842 (2005) 12 36 5,204 7/1932-current (real-time) 65 11 14 10 273 (1935) 3,133 5,036 18,757 (2005) 26 Granite Creek Blw Watson Lake near Prescott NA 5,020 9/1999-current (real time) 81 4 4 11 82 (2002) 737 3,574 17,327 (2005) 6 Willow Creek near Prescott 25 5,031 6/1932-3/1937 (discontinued) 51 12 27 10 211 (1936) 422 631 1,471 (1935) 4 NA 4,400 1/2000-current (real-time) 43 8 26 23 1,335 (2003) 3,386 4,431 10,911 (2005) 5 9512450 Agua Fria River near Humboldt Sources: USGS (NWIS) 2007 & 2008 Notes: NA = Not available Statistics based on Calendar Year Annual Flow statistics based on monthly values Summation of Average Seasonal Flows may not equal 100 due to rounding. Period of record may not equal Year of Record used for annual Flow/Year statistics due to only using years with a 12 month record In Period of Record, current equals November 2008 Seasonal and annual flow data used for statistics was retrieved in 2007 279 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Table 8.3-3 Flood ALERT Equipment in the Prescott AMA Station ID Station Name Station Type Install Date Responsibility 300 Upper Goldwater Dam Precip/Stage 8/28/2001 Yavapai Co FCD 305 Turtle People Precipitation 11/7/1990 Yavapai Co FCD 310 Lower Goldwater Dam Precip/Stage 1/9/1991 Yavapai Co FCD 315 Bannon Creek Precip/Stage 4/8/1992 Yavapai Co FCD 325 Granite Creek @ White Spar Campground Precip/Stage 2/26/1991 Yavapai Co FCD 330 Wolverton Mountain Precipitation 2/26/1991 Yavapai Co FCD 335 Yavapai Co FCD Office Base Station/Weather 11/16/1998 Yavapai Co FCD 340 Thumb Butte Tank Precipitation 9/10/1991 Yavapai Co FCD 345 Sierra Prieta Precipitation 9/10/1991 Yavapai Co FCD 350 Williams Peak Precipitation 9/9/1991 Yavapai Co FCD 355 Prescott Heights Precipitation 8/28/2001 Yavapai Co FCD 360 Haisley Water Tank Repeater Repeater/Precip 5/5/1997 Yavapai Co FCD 365 YC Public Works Yard Precipitation 10/23/1997 Yavapai Co FCD 380 Granite Basin Precipitation 12/30/1998 Yavapai Co FCD 385 Watson Lake Precipitation 3/19/2001 Yavapai Co FCD 400 Prescott Valley PD Yard Weather Station 9/21/2001 Yavapai Co FCD 405 Chino Valley Precipitation 10/23/1997 Yavapai Co FCD 440 Lynx Creek Levee Precip/Stage 8/27/2001 Yavapai Co FCD Precip/Stage 7/8/1998 Yavapai Co FCD Precipitation 5/18/2005 Yavapai Co FCD Precipitation 12/7/1982 FCD Maricopa Co 450 3810 Clipper Wash @ Prescott Country Club Central Yavapai Fire Dist @ Outer Loop Rd 5820 Prescott Valley Source: ADWR 2005a Notes: FCD = Flood Control District Section 8.3 Prescott Active Management Area 280 Arizona Water Atlas Volume 8 Table 8.3-4 Reservoirs and Stockponds in the Prescott AMA A. Large Reservoirs (500 acre-feet capacity and greater) MAP KEY RESERVOIR/LAKE NAME (Name of dam, if different) OWNER/OPERATOR MAXIMUM STORAGE (AF) USE1 JURISDICTION 1 Willow Creek City of Prescott 7,800 R,S Local 2 Watson (Granite Creek) City of Prescott 4,900 R,S Local 3 Lynx AZ Game and Fish 2,763 R State 4 Upper Goldwater City of Prescott 700 R Local MAXIMUM SURFACE AREA (acres) USE JURISDICTION B. Other Large Reservoirs (50 acre surface area or greater) MAP KEY RESERVOIR/LAKE NAME (Name of dam, if different) OWNER/OPERATOR None identified by ADWR at this time Source: Compilation of databases from ADWR & others C. Small Reservoirs (greater than 15 acre-feet and less than 500 acre-feet capacity) Total number: 5 Total maximum storage: 888 acre-feet D. Other Small Reservoirs (between 5 and 50 acres surface area)2 Total number: 8 Total surface area: 91 acres E. Stockponds (up to 15 acre-feet capacity) Total number: 216 Notes: R = Recreation, S= Water Supply 2 Capacity data is not available to ADWR 1 281 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Section 8.3 Prescott Active Management Area 282 Arizona Water Atlas Volume 8 8.3.5 Perennial/Intermittent Streams and Springs in the Prescott AMA Major and minor springs with discharge rates and date of measurement, and the total number of springs in the AMA are shown in Table 8.3-5. The locations of major springs and perennial and intermittent streams are shown on Figure 8.3-5. Descriptions of data sources and methods for intermittent and perennial reaches and springs are found in Volume 1, Appendix A. • • • • • • A portion of the Agua Fria is the only perennial stream in the AMA. Intermittent streams are found on the eastern AMA boundary and in the south central part of the AMA. There is one major spring, Del Rio, with a measured discharge of 874 gallons per minute (gpm). Springs with measured discharge of 1 to 10 gpm are not mapped but coordinates are given in Table 8.3-5B. There are 10 minor springs. Listed discharge rates may not be indicative of current conditions. Most spring measurements were taken during or prior to 1981. The total number of springs, regardless of discharge, identified by the USGS or ALRIS varies from 57 to 65, depending on the database reference. 283 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Table 8.3-5 Springs in the Prescott AMA A. Major Springs (10 gpm or greater): Map Key Name 1 Del Rio Location1 Latitude Longitude Discharge (in gpm) Date Discharge Measured 344914 1122643 874 During or prior to 1999 Date Discharge Measured B. Minor Springs (1 to 10 gpm): Location1 Latitude Longitude Discharge (in gpm) Coyote 344233 1121159 9 2/24/1981 Unnamed on Lower Granite Creek 345103 1122542 5 5/2/1977 Unnamed 343458 1123325 4 3/12/1981 Cowell No 2 343504 1123129 4 3/12/1981 Unnamed 343118 1121736 2 6/18/1979 Spence Creek 343420 1123249 2 3/12/1981 Unnamed 343003 1123208 2 3/10/1981 Aspen Creek HW-1 342934 1123222 2 4/16/2001 Unnamed 343302 1122632 1 2/28/2001 Unnamed 344252 1121227 1 2/24/1981 Name Source: Compilation of databases from ADWR & others C. Total number of springs, regardless of discharge, identified by USGS (see ALRIS, 2005a and USGS, 2006b): 57 to 65 Notes: Location datum is NAD 27 1 Section 8.3 Prescott Active Management Area 284 Arizona Water Atlas Volume 8 285 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 8.3.6 Groundwater Conditions of the Prescott AMA Major aquifers, well yields, estimated natural recharge, number of index wells and date of last water-level sweep are shown in Table 8.3-6. Figure 8.3-6 shows aquifer flow direction and waterlevel change between 1993-1994 and 2004. Figure 8.3-7 contains hydrographs for selected wells shown on Figure 8.3-6. Figure 8.3-8 shows well yields in five yield categories. Underground Storage Facilities (USF) are shown on Table 8.3-7 with facility name, facility permit number and type, permittee name, permitted acre-feet per year and water source. Locations of USFs are shown on Figure 8.3-9. There are no Groundwater Savings Facilities (GSF) in the AMA. A description of aquifer data sources and methods as well as well data sources and methods, including waterlevel changes and well yields are found in Volume 1, Appendix A. Major Aquifers • Refer to Table 8.3-6 and Figure 8.3-6 • The major aquifers in this AMA are basin fill and igneous and metamorphic rock. • Groundwater flow is generally from the mountains on the AMA boundary toward the center of the AMA. Groundwater flows north from the Little Chino Sub-basin and south and north from the Upper Agua Fria Sub-basin. Well Yields • Refer to Table 8.3-6 and Figure 8.3-8 • One source of well yield information, based on 137 reported wells, indicates that the median well yield is 644 gpm. Natural Recharge • Refer to Table 8.3-6 • Natural recharge in the Prescott AMA is approximately 7,000 acre-feet per year. • Primary source of natural recharge is from infiltration of runoff into stream channels and mountain front recharge. Water Level • Refer to Figure 8.3-6. Water levels are shown for wells measured in 2004. • The Department annually measures 93 index wells in this AMA. Hydrographs for six of these wells are shown on Figure 8.3-7. • The deepest water level shown is 428 feet west of the junction of Highway 89 and Highway 89A in the center of the AMA and the shallowest is 16 feet in the northern portion of the AMA west of Highway 89. Recharge Sites • Refer to Table 8.3-7 and Figure 8.3-9. • There are three active USFs with a total permitted storage capacity of almost 13,000 acrefeet per year. Section 8.3 Prescott Active Management Area 286 Arizona Water Atlas Volume 8 Table 8.3-6 Groundwater Data for the Prescott AMA Basin Area, in square miles: 485 Name and/or Geologic Units Major Aquifer(s): Basin Fill Igneous and Metamorphic Rock Well Yields, in gal/min: Estimated Natural Recharge, in acre-feet/year: Range 2-4,590 Median 644 (137 wells measured) ADWR GWSI Range 2-3,600 Median 763 (78 wells reported) Reported on registration forms for large (> 10-inch) diameter wells (Wells55) 7,000 Timmons and Springer 2006 Current Number of Index Wells: 93 Date of Last Water-level Sweep: 2009 (103 wells measured) GWSI = Groundwater Site Inventory System 4/21/2010 287 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Section 8.3 Prescott Active Management Area 288 Arizona Water Atlas Volume 8 Figure 8.3-7 Prescott Active Management Area Hydrographs Showing Depth to Water in Selected Wells Depth To Water In Feet Below Land Surface 250 A WELL DEPTH: 350 FT. USE: DOMESTIC 300 1975 275 B 1985 275 1995 WELL DEPTH: 430 FT. USE: STOCK 325 1975 C (B-16-02)34ABA2 1985 2005 (B-15-02)17ABA 1995 WELL DEPTH: 361 FT. USE: STOCK 2005 (B-15-01)23BAD 325 375 1975 289 1985 1995 2005 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Figure 8.3-7 (cont) Prescott Active Management Area Hydrographs Showing Depth to Water in Selected Wells D Depth To Water In Feet Below Land Surface 300 350 1975 300 E 350 1975 F 50 100 1975 WELL DEPTH: 612 FT. USE: UNUSED 1985 (B-14-01)22ADA 1995 WELL DEPTH: 500 FT. USE: PUB. SUPPLY 1985 (B-14-01)11DAA 1995 WELL DEPTH: 200 FT. USE: UNUSED 1985 2005 2005 (A-13-01)02CAD 1995 Section 8.3 Prescott Active Management Area 2005 290 Arizona Water Atlas Volume 8 291 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Table 8.3-7 Recharge Sites in the Prescott AMA FACILITY NAME FACILITY NUMBER PERMITTEE NAME FACILITY TYPE PERMITTED AF/YEAR WATER SOURCE OLD HOME MANOR RECHARGE PROJECT 71-595206.0001 TOWN OF CHINO VALLEY CONSTRUCTED 1,120 E SUNDOG WWTP RECHARGE FACILITY 71-519567.0000 CITY OF PRESCOTT CONSTRUCTED 6,721 E,S TOWN OF PRESCOTT VALLEY CONSTRUCTED 71-205386.0000 TOWN OF PRESCOTT VALLEY CONSTRUCTED 5,150 E Notes: WWTP = Wastewater Treatment Plant E - Effluent S - Surface Water Section 8.3 Prescott Active Management Area 292 Arizona Water Atlas Volume 8 293 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 8.3.7 Water Quality Exceedences and Contamination Sites in the Prescott AMA Sites with parameter concentrations that have equaled or exceeded drinking water standard(s), (DWS) including location and parameter(s) are shown in Table 8.3-8A. Impaired lakes and streams with site type, name, length of impaired reach, area of impaired lake, designated use standard and parameter(s) exceeded is shown in Table 8.3-8B. Figure 8.3-10 shows the location of water quality occurrences keyed to Table 8.3-8. Figure 8.3-11 shows the located of contamination sites with site information in Table 8.3-9. A description of water quality data sources and methods is found in Volume 1, Appendix A. All community water systems are regulated under the Safe Drinking Water Act and treat water supplies to meet drinking water standards. Not all parameters were measured at all sites; selective sampling for particular constituents is common. Well, spring and mine sites that have equaled or exceeded drinking water standards (DWS) • Refer to Table 8.3-8A. • Sixty sites have parameter concentrations that have equaled or exceeded DWS. • The most frequently equaled or exceeded the parameter is arsenic. • Other parameters equaled or exceeded include fluoride, barium, cadmium, lead, radionuclides and nitrates. Lakes and Streams with impaired waters • Refer to Table 8.3-8B. • Water quality standards were equaled or exceeded in one stream reach and two lakes. The most common parameter equaled or exceeded was dissolved oxygen. • One lake, Watson Lake, is part of the ADEQ water quality improvement effort called the Total Maximum Daily Load (TMDL) Program. Sampling is ongoing at the site at this time. Effluent Dependent Reaches • Refer to Figure 8.3-10 • A portion of the Agua Fria River in this AMA is effluent dependent, due to discharge from the Prescott Valley WWTF. Contamination Sites • Refer to Figure 8.3-11 and Table 8.3-9 • There are three Voluntary Remediation Program sites with soil and groundwater contamination and one Superfund site, Iron King - Humbolt Smelter. Section 8.3 Prescott Active Management Area 294 Arizona Water Atlas Volume 8 Table 8.3-8 Water Quality Exceedences in the Prescott AMA1 A. Wells, Springs and Mines Location Map Key(s) Township Range Section Number of Stations Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 1 17 North 2 West 35 1 As 2, 3 17 North 2 West 34 2 As 4, 5, 6, 8 16 North 2 West 3 4 As 7 16 North 2 West 5 1 As 9 16 North 2 West 4 1 As 10 16 North 2 West 39 1 As 11 16 North 2 West 16 1 As 12 16 North 2 West 55 1 As 13 16 North 2 West 22 1 As 14 16 North 1 East 7 1 As 15 16 North 2 West 26 1 As 16, 17, 18 16 North 2 West 34 3 As As 19 16 North 2 West 31 1 20,21 15 North 2 West 3 2 As 22 15 North 2 West 8 1 As, F 23, 24 15 North 2 East 19 2 As, Ba 25 15 North 2 West 30 1 F 26,27 14 North 2 West 12 2 Rad 28,30 14 North 2 West 13 2 F, NO3 29 14 North 1 West 14 1 NO3 30 14 North 1 East 29 1 Pb 31,34 14 North 2 West 25 2 As, NO3 33,35 14 North 2 West 26 2 NO3 36 14 North 2 West 35 1 Pb 37 14 North 1 West 34 1 NO3, Pb As 38 14 North 1 East 33 1 39,40,42 14 North 2 West 34 3 As 41 14 North 1 West 34 1 NO3, Pb 43 14 North 2 West 35 1 Pb 44 14 North 1 West 33 1 As, F As 45 14 North 1 East 35 1 46,47 13 North 1 East 2 2 As 48-50 13 North 1 East 3 3 As, NO3, Pb 51 13 North 1 East 4 1 Cd, NO3 52 13 North 1 East 10 1 Cd 53 13 North 1 East 12 1 As 54 13 North 1 East 11 1 As 55 13 North 2 West 11 1 Rad As 56 13 North 2 West 8 1 57-59 13 North 1 East 14 3 As 60 13 North 1 East 15 1 As, NO3 Source: Compilation of databases from ADWR & others 295 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Table 8.3-8 Water Quality Exceedences in the Prescott AMA1 B. Lakes and Streams Map Key Site Type Site Name Length of Impaired Stream Reach (in miles) Area of Impaired Lake (in acres) Designated Use Standard3 Parameter(s) Exceeding Use Standard2 a Stream Granite Creek headwaters Willow Creek 13 NA A&W DO not shown4 Lake Granite Basin Lake NA 7 A&W DO b Lake Watson Lake NA 152 A&W, FBC, Agl N, DO, pH Source: ADEQ 2005e Notes: 1 Water quality samples collected between 1975 and 2001. Listed TDS exceedences indicate "mineralized water" that contains over 3000 milligrams per liter (mg/l) of TDS and would require special well construction procedures (A.A.C. R12-15-812(B)). The secondary drinking water standard for TDS is 500 mg/l. 2 As = Arsenic Ba = Barium Cd = Cadmium DO = Dissolved Oxygen F = Fluoride Pb = Lead N = Nitrogen NO3 = Nitrate/ Nitrite pH = Measurement of acidity or alkalinity Rad = radionuclides 3 A&W = Aquatic and Wildlife Agl = Agriculture FBC= Full Body Contact 4 Granite Basin Lake was added to ADEQ's impaired waters list in 2006. Figure 8.3-10 contains impaired waters through 2005. Section 8.3 Prescott Active Management Area 296 Arizona Water Atlas Volume 8 297 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Table 8.3-9 Contamination Sites in the Prescott AMA SITE NAME MEDIA AFFECTED AND CONTAMINANT Voluntary Remediation Sites Soil/Polycyclic aromatic hydrocarbons (PAHs), APS Prescott Manufactured Total Petroleum Hydrocarbons (TPH), Benzene and Lead Groundwater/Nitrate, Gas Plant (MGP) Cyanide and Arsenic Chino Valley Welding and Soil & Groundwater/Total Petroleum Automotive Repair Center Hydrocarbons (TPH) and Lead Ironite Product Company Soil & Groundwater/Not known at this time National Priority List (NPL) Superfund Sites Iron King Mine & Humbolt Smelter Soil & Groundwater/Arsenic and Lead Sources: ADEQ 2002, ADEQ 2006a, ADEQ 2006b Section 8.3 Prescott Active Management Area 298 Arizona Water Atlas Volume 8 299 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 8.3.8 Cultural Water Demands in the Prescott AMA Cultural water demand data including population, number of wells and the average well pumpage and non-groundwater use by the municipal, industrial and agricultural sectors are shown in Table 8.3-10. Effluent generation including facility ownership, location, population served and not served, volume treated, disposal method and treatment level is shown in Table 8.3-11. Figure 8.3-12 shows the location of demand centers. A description of cultural water demand data sources and methods is found in Volume 1, Section 1.3.5. More detailed information on cultural water demands is found in Section 8.0.7. Cultural Water Demands • Refer to Table 8.3-10 and Figure 8.3-12. • Population in the AMA increased from 35,641 in 1980 to 90,061 in 2000 and projections suggest an increase to over 200,000 residents by 2030. • The majority of the water used in the AMA is groundwater. • In the period of 2001-2005, municipal water demand accounted for 72% of the total average annual water demand. • Agricultural demand dropped by more than 60% between the early to mid-90s and 2001-2005 and has continued to drop as agricultural land is developed and taken out of production. • As of 2005 there were 10,651 registered wells with a pumping capacity of less than or equal to 35 gpm and 724 wells with a pumping capacity of more than 35 gpm. Effluent Generation • Refer to Table 8.3-11. • Nine wastewater treatment facilities were identified in the AMA. • There are a wide range of effluent disposal methods including discharge into a watercourse, permitted recharge projects and golf course irrigation • More than 6,800 acre-feet of effluent are treated/generated annually in the AMA. Section 8.3 Prescott Active Management Area 300 Arizona Water Atlas Volume 8 1 Table 8.3-10 Cultural Water Demand in the Prescott AMA Year Average Annual Demand (in acre-feet)3 Number of Registered Estimated Water Supply Wells Drilled and Projected Well Pumpage Non-Groundwater 4 Data Population 2 Q < 35 gpm Q > 35 gpm Municipal Industrial Agricultural5 Municipal Industrial Agricultural5 Source 1971 1972 1973 1974 1975 1976 1977 1978 1979 35,641 1980 37,285 1981 38,954 1982 40,646 1983 42,365 1984 44,112 1985 46,241 1986 48,676 1987 51,092 1988 53,985 1989 1990 54,917 56,668 1991 58,597 1992 61,335 1993 65,170 1994 68,634 1995 71,355 1996 73,985 1997 76,525 1998 81,002 1999 90,061 2000 93,521 2001 97,437 2002 101,683 2003 106,865 2004 112,359 2005 137,244 2010 176,560 2020 197,720 2025 217,862 2030 WELL TOTALS: 6 3,435 13,000 3,000 15,000 3,300 6 301 1,125 18 15,000 3,900 1,052 83 14,100 6,000 1,339 111 8,900 700 5,600 400 0 ADWR (1994a) 9,500 ADWR (2009) 1,692 138 12,000 900 5,400 200 0 3,400 2,008 73 14,600 1,400 3,500 2,700 0 1,800 10,651 724 Notes: Does not include evaporation losses from stockponds and reservoirs. 2 Population estimates (1985-2005) are derived from a combination of annual report data submitted by large and small providers (as available) and estimated exempt well population. The years 1990 and 2000 are census data. Projections are derived from Arizona Department of Commerce and council of government population data 3 Includes Indian Demand 4 Non-Groundwater supplies may include surface water or effluent. 5 Agricultural demand includes use by small exempt irrigation rights. 1 6 Includes all wells through 1980. 301 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Table 8.3-11 Effluent Generation in the Prescott AMA Facility Name Ownership Chino Valley WWTF, Town of Town of Chino Valley Population Served Volume Treated/Generated (acre-feet) Chino Valley 8,500 37 City/Location Served Clipper Wash Prescott Country Club Dewey NA NA Hassayampa WWTF City of Prescott Prescott NA 347 Hidden Hills WWTP NA Dewey NA NA Disposal Method Water course Golf Wildlife Evaporation Irrigation Pond Course Area Infiltration Basin Industrial Reuse P X NA La Fiesta WWTF Prescott Country Club Dewey NA 2.7 Prescott Valley Prescott Valley 33,500 2,802 X Prescott, City of - Airport WWTF City of Prescott Prescott 11,330 784 X Prescott, City of - Sundog WWTF City of Prescott Prescott 25,500 2,912 X Softwinds Mobile Home Park Private Dewey NA 4 78,830 6,889 X X X P X P NA Other Population Current Treatment Level Not Served NA X Prescott Valley WWTF Total Discharged to Another Facility NA Year of Record 2007 NA NA NA NA NA 2007 NA NA NA NA NA 2007 40 2004 1,330 2004 500 2004 NA 2007 Advanced Treatment II Advanced Treatment I Advanced Treatment II with Nutrient Removal NA 1,870 Sources: Clean Water Needs Survey (CWNS) 2004 and 2006 Data, City of Prescott Water Management Policy 2005-2010 (2007), ADEQ 2005a Notes: NA = Not Available P=Permitted Underground Storage Facility WWTF=Wastewater Treatment Facility WWTP=Wastewater Treatment Plant Section 8.3 Prescott Active Management Area 302 Arizona Water Atlas Volume 8 303 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 8.3.9 Assured Water Supply Determinations in the Prescott AMA Assured water supply determination information including the subdivision name, location, number of lots, date of determination and subdivision water provider are shown in Table 8.3-12A, B and C for certificates, water adequacy reports and analysis of assured water supply. Designated water provider information is shown in Table 8.3-12D with date of application, date the designation was issued and projected or annual estimated demand. Figure 8.3-13 shows the general locations of subdivisions (to the section level) and designated provider water service areas keyed to the Table. A description of the Assured Water Supply Program is found Section 8.0.5 and in Volume 1, Appendix C. Assured Water Supply determination data sources and methods are found in Volume 1, Appendix A. • • • • Lot count totals may over estimate actual platted lots due to database accounting, changes in file numbering methodology and subsequent development plan changes. As of February 2008, 115 subdivisions with a total of more than 196,000 lots have been reviewed for an assured water supply determination. 16,431 lots in 104 subdivisions received a Certificate of Assured Water Supply, 298 lots in nine subdivisions received Water Adequacy Reports (pre-AMA determinations) and 2,871 lots in two developments received an Analyses of Assured Water Supply. There is one designated provider, City of Prescott, with a total projected or estimated annual water use of 14,350 acre-feet by 2014. Section 8.3 Prescott Active Management Area 304 Arizona Water Atlas Volume 8 1 Table 8.3-12 Assured Water Supply Determinations in the Prescott AMA A. Certificates of Assured Water Supply Map Key 1 Subdivision Name County Township Location Range Section No. of Lots ADWR File No. Date of Determination Water Proivderat the Time of Application Rancho Santa Maria Yavapai 16 North 2 West 17 87 27-200279 9/26/83 NA Rancho Santa Maria #2 Yavapai 16 North 2 West 17 18 27-200280 5/23/94 NA Rancho Santa Maria #2, 3 Yavapai 16 North 2 West 17 38 27-200281 3/17/95 NA Vista de Chino Yavapai 16 North 2 West 17 80 27-200388 5/27/87 NA Rancho Santa Maria Unit Two Yavapai 16 North 2 West 17 19 27-400162 11/12/99 NA Quail Ridge Yavapai 16 North 2 West 5 180 27-300493 10/14/98 NA Gold Rush Ranches Yavapai 16 North 2 West 21 16 27-200122 4/6/93 NA Fire Sky Ranch Yavapai 16 North 2 West 21 18 27-300440 7/27/98 NA Grassland Yavapai 16 North 2 West 4 16 27-200132 12/15/80 NA Stetson Ranch Yavapai 16 North 2 West 4 14 27-200319 7/8/85 NA Yo He Wah Yavapai 16 North 2 West 4 32 27-200408 4/28/83 NA 5 Easy Street Estates Yavapai 16 North 2 West 16 42 27-300511 3/29/99 NA 6 Appaloosa Meadows Phases I,II and III Yavapai 16 North 2 West 9 & 10 318 27-300352 1/16/98 Appaloosa Water Co Chino Valley Business Park & Marketplace Yavapai 16 North 2 West 15 13 27-300455 7/14/98 NA Hawksnest Estates Yavapai 16 North 2 West 15 150 27-700399 12/19/07 Town of Chino Valley NA 2 3 4 7 10 Chino de Manana Yavapai 16 North 2 West 10 20 27-200053 5/15/89 Luna Estates Yavapai 16 North 2 West 10 31 27-200188 8/21/89 NA Commerce Park Yavapai 16 North 2 West 10 9 27-300334 10/16/97 NA Chino Meadows #4 Yavapai 16 North 2 West 23 98 27-200052 8/6/94 NA Highlands Ranch Yavapai 16 North 2 West 23 210 27-401234 10/8/04 Town of Chino Valley 11 12 Highlands Ranch Unit 1B & Unit 2 Yavapai 16 North 2 West 23 349 27-401741 1/25/06 Town of Chino Valley Colonial Villas Yavapai 16 North 2 West 23 60 27-700393 1/15/08 Town of Chino Valley Tony Town Yavapai 16 North 2 West 11 57 27-300418 8/27/98 NA BrightStar at Chino Valley Yavapai 16 North 2 West 24 80 27-400861 8/18/03 Town of Chino Valley 13 14 Bright Star Phase 3 Yavapai 16 North 2 West 24 166 27-500060 6/20/07 Town of Chino Valley Bright Star, Unit 1, Phase 2, Unit 2, Phase 2 Yavapai 16 North 2 West 13 & 24 125 27-401835 10/21/05 Town of Chino Valley I U Bar Ranch Estates Yavapai 16 North 1 West 18 & 19 15 27-200147 3/9/88 NA I U Bar Ranch Estates Yavapai 16 North 1 West 18 & 19 56 27-200148 6/12/89 NA Royal Oaks Yavapai 15 North 2 West 30 165 27-200294 10/28/91 NA 15 Royal Oaks Lots 166-185 Yavapai 15 North 2 West 30 20 27-200295 4/4/94 NA Granite Park Ranch Yavapai 15 North 2 West 30 29 27-300158 8/30/96 NA NA 16 Granite Oaks Estates Yavapai 15 North 2 West 30 10 27-300400 8/27/98 Granite Oaks I, Units 1, 2, 3 Yavapai 15 North 2 West 19 160 27-200129 3/6/90 NA 17 Granite Oaks I, Units 4 & 5 Yavapai 15 North 2 West 19 141 27-200130 11/27/92 NA Granite Oaks II Yavapai 15 North 2 West 19 14 27-200131 9/28/94 NA 18 Bee Mountain Estates Yavapai 16 North 2 West 27 20 27-200007 4/20/87 NA 19 Vista Grande Estates, Unit IV Yavapai 16 North 2 West 26 118 27-300323 12/1/97 NA 20 Antelope Village Yavapai 15 North 1 West 23 & 26 1440 27-300522 12/30/99 Prescott Valley Water District Town of Prescott Valley Viewpoint, Phase I Yavapai 15 North 1 West 23, 26 & 35 112 27-300019 5/15/95 Viewpoint, The Yavapai 15 North 1 West 23, 26 & 35 488 27-300183 8/29/96 Town of Prescott Valley Viewpoint North, The Yavapai 15 North 1 West 23, 26 & 35 112 27-300434 5/17/95 Town of Prescott Valley 22 Poquito Valley Development Yavapai 15 North 1 West 2, 11, 14, 23, 26 & 35 48 27-200236 3/9/88 NA 24 Mingus West Yavapai 15 North 1 East 23 468 27-300225 10/16/97 Town of Prescott Valley Granite Mountain Homesites #4 Yavapai 15 North 2 West 31 19 27-200126 8/18/86 NA Granite Mountain Homesites #3 Yavapai 15 North 2 West 31 8 27-200128 9/15/82 NA 27 Willow Lake Estates Yavapai 14 North 2 West 15 277 27-200407 6/10/81 Wilhoit Water Co 21 26 29 Victorian Estates Unit I & II Yavapai 14 North 1 West 21 & 28 179 27-200375 5/23/94 Prescott Valley Water District 30 Castle Canyon Mesa #4 Yavapai 14 North 1 West 15 118 27-200045 10/25/93 Prescott Valley Water District 31 Glassford Hill Road Property Yavapai 14 North 1 West 3, 10 & 15 3288 27-300494 10/3/00 Prescott Valley Water District Castle Canyon Mesa #2 Yavapai 14 North 1 West 15 & 22 19 27-200044 9/16/92 Prescott Valley Water District Prescott East #1,2 Yavapai 14 North 1 West 15 & 22 40 27-200243 9/1/81 Town of Prescott Valley 33 Town and Country Industrial Pk Yavapai 14 North 1 West 22 & 23 43 27-200352 8/3/84 Prescott Valley Water District 34 StoneRidge Yavapai 14 North 1 West 26, 27 & 35 3053 27-300483 4/14/00 Town of Prescott Valley 32 305 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 1 Table 8.3-12 Assured Water Supply Determinations in the Prescott AMA (Cont) A. Certificates of Assured Water Supply County Location Range Water Proivderat the Time of Application Subdivision Name 35 Town and Country Industrial Pk Yavapai 14 North 1 West 23 35 27-200351 12/10/82 Prescott Valley Water District 36 Town and Country Valley Mall Yavapai 14 North 1 West 14 & 23 300 27-200353 3/30/81 Prescott Valley Water District Prescott Valley #19 Yavapai 14 North 1 West 11 6 27-200252 4/23/87 Prescott Valley Water District Prescott Valley #19 Yavapai 14 North 1 West 11 4 27-200253 6/21/93 Prescott Valley Water District Prescott Valley #18-20 Yavapai 15 North 1 West 35 8 27-200251 1/14/82 Prescott Valley Water District Antelope Park 1 Yavapai 15 North 1 West 35 102 27-300525 3/2/99 NA Antelope Park 2 Yavapai 15 North 1 West 35 75 27-300526 3/2/99 NA Prescott Valley Yavapai 14 North 1 West 11, 12 & 13 51 27-200245 1/28/81 Town of Prescott Valley Villas, The Yavapai 14 North 1 West 13 8 27-200384 9/14/82 Prescott Valley Water District Mingus View Condominiums Yavapai 14 North 1 West 13 12 27-401543 3/18/05 Prescott Valley Water District Prescott Valley, Town of Yavapai 14 North 1 West 1, 12 & 13 42 27-200257 11/14/89 Prescott Valley Water District Quad Villas Yavapai 14 North 1 West 12 8 27-200259 3/17/82 Prescott Valley Water District Quad Villas #2 Yavapai 14 North 1 West 12 4 27-200260 3/17/82 Prescott Valley Water District Prescott Valley #09 Yavapai 14 North 1 West 1 10 27-200247 2/3/81 Town of Prescott Valley Prescott Valley #15 Yavapai 14 North 1 West 1 4 27-200248 3/23/81 Town of Prescott Valley Prescott Valley #20 Yavapai 14 North 1 West 1 1 27-200254 8/24/81 Prescott Valley Water District Township Section No. of Lots ADWR File No. Date of Determination Map Key 37 38 39 40 41 42 43 44 Prescott Valley Business Park Yavapai 14 North 1 East 19 44 27-200256 4/15/83 Prescott Valley Water District 45 Fairway Patio Homes Yavapai 14 North 1 East 18 5 27-200117 1/10/83 Prescott Valley Water District Prescott Valley Yavapai 14 North 1 East 7 49 27-200244 1/28/81 Town of Prescott Valley Prescott Valley #18-20 Yavapai 14 North 1 East 7 8 27-200249 1/14/82 Town of Prescott Valley 46 Prescott Valley #20 Yavapai 14 North 1 East 7 8 27-200255 10/25/93 Prescott Valley Water District Prescott Country Club #6 Yavapai 14 North 1 East 29 54 27-200242 3/29/94 Prescott Valley Water District Prescott Country Club #6, phase 2 Yavapai 14 North 1 East 29 31 27-300111 5/16/96 Town of Prescott Valley Green View Townhomes Yavapai 14 North 1 East 28 34 27-300527 3/29/99 Prescott Valley Water District 47 48 51 Prescott Buttes Yavapai 14 North 2 West 31 38 27-300581 3/5/99 City of Prescott Lynx Mountain View Estates Yavapai 14 North 1 West 33 95 27-200189 7/3/86 Bradshaw Water Co Lynx Mountain View Estates Yavapai 14 North 1 West 33 122 27-200190 6/12/89 Bradshaw Water Co Lynx Mountain View Estates #6 Yavapai 14 North 1 West 33 39 27-200191 10/25/93 Bradshaw Water Co 52 Creekside of Prescott, Phase 1 Yavapai 14 North 1 West 33 33 27-300045 10/12/95 Bradshaw Water Co Creekside of Prescott, Phase 2 Yavapai 14 North 1 West 33 39 27-300513 4/15/99 Bradshaw Water Co Creekside of Prescott Phase 3 Yavapai 14 North 1 West 33 25 27-400759 11/15/02 Bradshaw Water Co Mobile Villas Units #1&2 Yavapai 14 North 1 East 28 & 29 NA 27-200200 5/6/87 Prescott Valley Water District Mobile Villas Units #1&2 Yavapai 14 North 1 East 33 NA 27-200200 5/6/87 Prescott Valley Water District Prescott Country Club Yavapai 14 North 1 East 28, 29 & 33 87 27-200240 5/6/87 Prescott Valley Water District Prescott Country Club Yavapai 14 North 1 East 28, 29 & 33 104 27-200241 5/8/87 Prescott Valley Water District 54 Wagon Wheel Condominiums Yavapai 14 North 1 East 33 4 27-200394 7/12/88 NA 55 Country Club Townhomes Yavapai 14 North 1 East 28 & 33 76 27-200081 3/11/85 Prescott Valley Water District 53 56 Chaparral Heights Yavapai 13 North 1 East 10 & 15 34 27-300178 1/21/97 NA 57 Quailwood Meadows Townhomes Yavapai 14 North 1 East 34 204 27-401653 8/29/05 Prescott Valley Water District 58 Parker Hill Yavapai 13 North 1 East 15 186 27-200218 3/2/82 NA 59 Villages at Lynx Creek Yavapai 14 North 1 East 27 & 34 515 27-200380 5/5/89 Prescott Valley Water District 60 Quailwood Meadows Yavapai 14 North 1 East 27, 34 & 35 1012 27-300521 3/29/99 Prescott Valley Water District 61 Rolling Ridge Ranches Yavapai 13 North 1 East 11 10 27-200293 10/6/80 NA 62 Command Estates #2 Yavapai 13 North 1 East 13 17 27-200075 7/21/85 NA Command Estates Yavapai 13 North 1 East 12 47 27-200074 9/4/80 NA Golden View Estates Yavapai 13 North 1 East 12 14 27-200123 6/10/82 NA Indian Castles Yavapai 13 North 1 East 12 17 27-200149 9/4/80 NA Clearview Estates Yavapai 13 North 1 East 1 & 12 22 27-200059 11/4/85 NA Meadow Ranch Yavapai 13 North 1 East 1 & 12 34 27-200196 5/30/95 NA Vista View Estates Yavapai 13 North 1 East 1 & 12 8 27-200387 7/4/80 NA Meadow View Yavapai 13 North 1 East 1 & 12 40 27-401979 9/5/06 NA 63 64 Source: ADWR 2008 Section 8.3 Prescott Active Management Area 306 Arizona Water Atlas Volume 8 1 Table 8.3-12 Assured Water Supply Determinations in the Prescott AMA (Cont) B. Water Adequacy Reports Location Map Key Subdivision Name County No. of Lots Township Range Section ADWR File No. ADWR Adequacy Determination2 Date of Determination Water Proivder at the Time of Application 8 Luna Estates Yavapai 16 North 2 West 10 & 15 106 53-500930 Inadequate 5/5/80 NA 12 Sunrise Yavapai 16 North 2 West 11 43 53-501503 Adequate 2/3/77 NA 19 Vista Grande Estates Yavapai 16 North 2 West 26 66 53-501648 Adequate 8/15/77 NA 25 Granite Foothills Yavapai 14 North 2 West 30 11 53-500726 Adequate 1/16/89 NA 26 Granite Mountain Estates Yavapai 15 North 2 West 31 23 53-500727 Adequate 3/30/76 NA 28 Savage Mountain Yavapai 14 North 2 West 23 12 53-501374 Adequate 3/12/79 NA Highland Pines Yavapai 14 North 3 West 33 & 34 27 53-500202 Adequate 9/6/73 NA Highland Pines Yavapai 14 North 3 West 33 & 34 NA 53-500203 Adequate 7/6/73 NA Aspen Acres Yavapai 13 North 2 West 7 10 53-500302 Adequate 4/10/80 NA No. of Lots ADWR File No. Date of Determination Water Proivderat the Time of Application 49 50 Source: ADWR 2008 C. Analyses of Assured Water Supply Location Map Key Subdivision Name County Township 9 Old Home Manor Yavapai 23 Mingus Meadows Estates Subdivision Yavapai 16 North Range 16 North; 16 North 1 West; 2 West 1 East Section 7; 12 2700 28-700319 1/3/08 Town of Chino Valley 31 171 28-500006 7/19/07 NA Projected or Annual Estimated Demand (af/yr) Year of Projected or Annual Estimated Demand 14,350 2014 Source: ADWR 2008 D. Designated Water Providers Map Key Water Provider Name County Designation No. A City of Prescott Yavapai 26-401501 Date Date Application Designation Received Issued 09/02/04 09/16/05 Source: ADWR 2008 Notes: Prior to February 1995, ADWR did not assign file numbers to applications for adequacy. Between 1995-2006 all applications for adequacy were given a file number with a 22 prefix. In 2006 a 53 prefix was assigned to all water adequacy reports and applications regardless of their issue date. 1 Includes water reports issued under the Water Adequacy program prior to 1980 implementation of the Assured Water Supply program. 2 Assured and Adequate Water Supply determinations are based on the information available to ADWR and the standards of review and policies in effect at the time the determination was made. A determination of inadequacy could be due to insufficent physical or legal access to water or poor water quality. The Adequacy Program was replaced by the Assured Water Supply Program in the AMAs in 1980. 307 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Section 8.3 Prescott Active Management Area 308 Arizona Water Atlas Volume 8 Prescott AMA References and Supplemental Reading References A Arizona Department of Economic Security (DES), 2005, Workforce Informer: Data file, accessed August 2005, http://www.workforce.az.gov. (Cultural Water Demand Table) Arizona Department of Environmental Quality, 2006a, Active DOD, Superfund, WQARF, and LUST contamination sites in Arizona: GIS cover, received February 2006. _____, 2006b, Superfund and WQARF programs, Accessed June 2008 at http://www.azdeq.gov/environ/waste/sps/index.html. _____, 2005a, Azurite: Data file, received September 2005, updated 2008. _____, 2005b, Effluent dependent waters: GIS cover, received December 2005. _____, 2005c, Impaired lakes and reaches: GIS cover, received January 2006. _____, 2004a, Water quality exceedences by watershed: Data file, received June 2004. (Water Quality Map and Table) _____, 2004b, Water quality exceedences for drinking water providers in Arizona: Data file, received September 2004. (Water Quality Map and Table) _____, 2002, The Status of Water Quality in Arizona – 2002: Volume 1. Arizona’s Integrated 305(b) Assessment and 303(b) Listing Report Arizona Department of Water Resources (ADWR), 2009, Estimated cultural water demand in the AMA Planning Area: Unpublished Analysis, ADWR Office of Data Management. _____, 2008, Assured and adequate water supply applications: Project files, ADWR Hydrology Division. _____, 2005a, Flood warning gages: Database, ADWR Office of Water Engineering. _____, 2005b, Inspected dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005c, Non-jurisdictional dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005d, Groundwater Site Inventory (GWSI): Database, ADWR Hydrology Division. _____, 2005e, Registry of surface water rights: ADWR Office of Water Management. (Reservoirs and Stockponds Table) _____, 2005, Wells55: Database. _____, 2004, Annual withdrawal and use reports for the Prescott AMA: ADWR Office of Water Management. _____, 1999, Third Management Plan for the Prescott Active Management Area 2000-2010. _____, 1994a, Arizona Water Resources Assessment, Vol. I, Inventory and Analysis. _____, 1994b, Arizona Water Resources Assessment, Vol. II, Hydrologic Summary. Arizona Game and Fish Department (AGF), 1997 & 1993, Statewide riparian inventory and mapping project: GIS cover. Arizona Land Resource Information System (ALRIS), 2005a, Springs: GIS cover, accessed January 2006 at http://www.land.state.az.us/alris/index.html. _____, 2005b, Streams: GIS cover, accessed 2005 at http://www.land. state.az.us/alris/index. 309 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 html. _____, 2004, Land ownership: GIS cover, accessed in 2004 at http://www.land.state.az. us/alris/index.html. C City of Prescott, 2007, City of Prescott Water Management Policy 2005-2010, Amended March 27, 2007: Resolution #3807. E Environmental Protection Agency (EPA), 2004 and 2006, Clean Watershed Needs Survey: datasets. N Natural Resources Conservation Service (NRCS), 2006, SNOTEL (Snowpack Telemetry) stations: Data file, accessed December 2006 at http://www3.wcc.nrcs.usda.gov/nwcc/ sntlsites.jsp?state=AZ. _____, 2006, Snow Course stations: Data file, accessed December 2006 at http://www.wcc.nrcs. usda.gov/nwcc/snow-course-sites.jsp?state=AZ O Oregon State University, Spatial Climate Analysis Service (SCAS), 2006, Average annual precipitation in Arizona for 1961-1990: PRISM GIS cover, accessed in 2006 at www.ocs. orst.edu/prism. T Timmons, D. and A. Springer, 2006, Prescott AMA Groundwater Flow Model Update Report, Prepared for Arizona Department of Water Resources: Contract #: 2005-2592, Final Report. U US Army Corps of Engineers, 2004 and 2005, National Inventory of Dams: Arizona Dataset, accessed November 2004 to April 2005 at http://crunch.tec.army.mil/nid/webpages/nid. cfm (Reservoirs and Stockponds Table) United States Geological Survey (USGS), 2008 & 2007, National Water Information System (NWIS) data for Arizona: Accessed October 2008 at http://waterdata.usgs.gov/nwis. _____, 2006a, National Hydrography Dataset: Arizona dataset, accessed at http://nhd.usgs.gov/. _____, 2006b, Springs and spring discharges: Dataset, received November 2004 and January 2006 from USGS office in Tucson, AZ. _____, 2004, National Gap Analysis Program - Southwest Regional Gap analysis study- land cover descriptions: Electronic file, accessed January 2005 at http://earth.gis.usu.edu / swgap. _____, 1981, Geographic digital data for 1:500,000 scale maps: USGS National Mapping Program Data Users Guide. W Section 8.3 Prescott Active Management Area 310 Arizona Water Atlas Volume 8 Western Regional Climate Center (WRCC), 2005, Precipitation and temperature stations: Data file, accessed December 2007 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi. dll?wwDI~GetCity~USA. Weidner, C., 1996, ADEQ Pollution Prevention Report, Arizona Pollution Prevention. Spring/Summer 1996. (Water Quality Map and Table) Supplemental Reading Arizona Department of Water Resources, 2005, Prescott Active Management Area Hydrologic Monitoring Report 2003-2004: Hydrology Division – Technical Support and Field Services Sections, Water Management Division - Prescott AMA. _____, 2003, Prescott Active Management Area Hydrologic Monitoring Report 2002-2003: Hydrology Division – Technical Support and Field Services Sections, Water Management Division - Prescott AMA. _____, 2002, Prescott Active Management Area Hydrologic Monitoring Report 2001-2002: Hydrology Division – Technical Support and Field Services Sections, Water Management Division - Prescott AMA. _____, 2000, Verde River watershed study, 473 pp. _____, 1997. Index Well Measurement and Water Level Data from Basic Data Section for Prescott Active Management Area. Compiled and Summarized By F. Corkhill, Hydrology Division. Arizona State Parks, 1991, Verde River Corridor Project Final Report and Plan of Action. Averitt, E. M., 1991, Verde River corridor environmental planning recommendations: Department of Planning, College of Architecture and Environmental Design, Arizona State University, Spring 1992. Baker, M.B., 1999, History of watershed research in the central Arizona highlands: USDA Rocky Mountain Research Station, Report GTR-29. Baldys, S., 1990, Trend analysis of selected water-quality constituents in the Verde River basin, central Arizona: USGS Water-Resources Investigations Report 90-4128. Barnett, L.O. and R.H. Hawkins, 2002, Reconnaissance watershed analysis on the upper and middle Verde watershed: School of Renewable Resources, University of Arizona, 116 pp. Blasch, K.W., J.P. Hoffman, L.F. Graser, J.R. Bryson and A.L. Flint, 2005, Hydrogeology of the Upper and Middle Verde River Watersheds, Central Arizona, U.S. Geological Survey Scientific Investigations Report 2005-5198, 101 p. 311 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Bureau of Reclamation, 2000, Appraisal level study of Water Delivery System Analyses: North Central Arizona Regional Water Supply Project. Colby, B.G. and K.L. Jacobs eds, 2007, Arizona Water Policy: Management and Innovations in an Urbanizing, Arid Region: Resources for the Future, Washington D.C. Cook, E.A., et al., 1991, Verde River corridor - Environmental planning recommendations: Department of Planning, Arizona State University, Spring, 1991. Cordy, G.E., D.J. Gellenbeck, J.B. Gebler, D.W. Anning, A.L. Coes, R.J. Edmonds, J.A. Rees, and H.W. Sanger, 2000, Water quality in the central Arizona basins, Arizona, 1995-1998: USGS Circular 1213. Corkhill, E.F. and D.A. Mason, 1995. Hydrogeology and Simulation of Groundwater Flow, Prescott Active Management Area, Yavapai County, Arizona. Arizona Department of Water Resources Modeling Report No. 9, 143 p. Corkhill, F, W. Remick, C. Norton and K. Nelson, 2001, Prescott Active Management Area 2000-2001 Hydrologic Monitoring Report: Arizona Department of Water Resources. Flora, S., and A. Springer, 2003, Summary table of physical parameters of middle Verde watershed springs: Department of Geology, Northern Arizona University, 1 pp. _____., 2003, Implications for regional hydrogeology of an Arizona rural watershed based on spring discharge variability and recharge response: Geological Society of America Abstracts with Programs, v. 35. _____. 2002. Hydrogeological characterization of springs in the Verde River watershed, central Arizona: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 25. Gellenbeck, D.J. and D.W. Anning, 2001, Occurrence and distribution of pesticides and volatile organic compounds in groundwater and surface water in central Arizona basins, 1996-1998, and their relation to land use: USGS Water Resources Investigations Report 01-4144, 107 pp. Governor’s Drought Task Force, 2004, Arizona Drought Preparedness Plan. Draft. Phoenix. _____, 2004, Arizona Drought Management Plan. Draft. Phoenix. Governor’s Water Management Commission, 2000, Briefing Book: Water Management Framework for AMAs, Groundwater Use Restrictions and Requirements. Phoenix: Arizona Department of Water Resources. _____, 2002, Final Report and Recommendations. Phoenix: Arizona Department of Water Section 8.3 Prescott Active Management Area 312 Arizona Water Atlas Volume 8 Resources. Holway, J.M. and K.L. Jacobs, 2006, Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth: in Mays, L., eds., Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth. McGraw-Hill. Jacobs, K. L. and J. M. Holway, 2004, Lessons Learned from Twenty Years of Groundwater Management in Arizona, USA. Hydrogeology Journal. 12, No. 1. Keadle, D.A., C.A. Brown, S. Eichberg, W.D. Musielak, T. Whitmer and K.L. Rall, 1999, Verde River watershed study: in Water Issues and Partnerships for Rural Arizona: Proceedings from the 12th annual Arizona Hydrological Society Symposium, September 1999, Pinetop, Arizona. Knauth, P.L. and M. Greenbie, 1997. Stable Isotope Investigation of Groundwater - Surface Water Interactions in the Verde River Headwaters Area. Department of Geology, Arizona State University. Lopez, S.M., and A.E. Springer, 2001, Assessment of human influence on riparian change in the Verde Valley, Arizona: Department of Geology, Northern Arizona University, 43 pp. McGavock, E., 2002, Water in the Verde River watershed: in Water Transfers, Past, Present and Future: Proceedings from the 15th annual Arizona Hydrological Society Symposium, September 2002, Flagstaff, Arizona. _____, 1996, Overview of groundwater conditions in the Verde Valley, Arizona: in Wanted: Water for Rural Arizona: Proceedings from the 9th annual Arizona Hydrological Society Symposium, September 1996, Prescott, Arizona, p. 65. Melis, T.S., 1990, Evaluation of Flood Hydrology on Twelve Drainage Basins in the Central Highlands Region of Arizona: An Integrated Approach: Northern Arizona University, M.S. thesis, 135 pp. Megdal, S. and Z. Smith, 2008, Evolution and Evaluation of the Active Management Area Management Plans, Water Resources Research Center, University of Arizona. Megdal, S. and B. Colby, 2004, Arizona’s Water Future: Challenges and Opportunities, 85th Arizona Town Hall Background Report, University of Arizona. Mondry, Z., 2002, Drought, storms, and stream flow and temperature observations from the Coconino and Prescott National Forests: in Sustainability Issues of Arizona’s Regional Watersheds: Proceedings from the 15th annual Arizona Hydrological Society Symposium, September 2003, Mesa, Arizona. Nelson, K., 2002, Application of the Prescott Active management Area Groundwater Flow 313 Section 8.3 Prescott Active Management Area Arizona Water Atlas Volume 8 Model Planning Scenario 1999-2005: Arizona Department of Water Resources Model Report No. 12. Northern Arizona University, 2001, Proceedings, Verde watershed symposium-state of the watershed in 2001:Verde Watershed Research and Education Program, Center for \ Sustainable Environments. Ostenaa, D.A., U.S. Schimschal, C.E. King, J.W. Wright, R.B. Furgerson, H.C. Harrel and R.H. Throner, 1993, Big Chino Valley Groundwater Study: Bureau of Reclamation, Denver office, Geologic Framework Investigations, 31 pp. Rusinek, W., 1986, Battle for the Verde River: Water, power and politics in Arizona, 1890-1934: Arizona Historical Society Symposium, May 1987, Douglas, Arizona. Seventy-first Arizona Town Hall. 1997. Ensuring Arizona’s Water Quantity and Quality into the 21st Century. Marshall A. Worden, editor. Phoenix: Arizona Town Hall. United State Geological Survey, 2004, Aquifer framework and groundwater flow paths in the Big and Little Chino basin: Arizona Water Protection Fund Project 99-078. United States Fish and Wildlife Service, 1991, Advance identification of functions and values of the Verde River, Arizona: Final Study Plan Verde Watershed Association and the USDA, 1996, Summary report, Verde Cooperative River Basin Study, Coconino, Gila, Maricopa, and Yavapai counties, Arizona, 34 pp. Whitmore, W., E.A. Cook and F. Steiner, 1991, Verde River visual assessment: Verde River Corridor Study, Tapico to Beasley Flat: Arizona State University, Department of Planning, draft report, May 1991. Wirt, L., E. DeWitt and V.E. Langenheim, 2004, Geologic Framework of Aquifer Units and Ground-Water Flowpaths, Verde River Headwaters, North-Central Arizona, U.S. Geological Survey Open File Report 2004-1411, 43 p. Wirt, L., 1992, The use of stable isotopes and water chemistry to determine movement of water in the upper Verde River basin, Yavapai County, Arizona: in Protecting Riparian Systems-Meeting the Challenges of Urban Needs: Abstracts from the 6th annual meeting of the Arizona Riparian Council, April 1992, Cottonwood Arizona, p. 16-17. Woodhouse, B.G, and M.E. Flynn, 2002, Investigation of the geology and hydrology of the upper and middle Verde River watershed of central Arizona: A project of the Rural Arizona Initiative, USGS Fact Sheet 059-02. Yavapai County Water Advisory Committee, 2004, Big Chino sub-basin-historical and current water uses and water use projections: Draft, Feb.2004, 38 pp. Section 8.3 Prescott Active Management Area 314 Arizona Water Atlas Volume 8 315 Section 8.3 Prescott Active Management Area Section 8.4 Santa Cruz AMA 316 Arizona Water Atlas Volume 8 8.4.1 Geography of the Santa Cruz AMA The Santa Cruz AMA is 716 square miles in area. Geographic features and principal communities are shown on Figure 8.4-1. The AMA is characterized by mid to high elevation mountains surrounding the Santa Cruz River Valley. Vegetation types include southwestern grassland, madrean evergreen woodland and riparian species, principally found along the Santa Cruz River and Sonoita Creek (See Figure 8.0-10) • Principal geographic features shown on Figure 8.4-1 are: o The Santa Cruz River flowing north in the center of the AMA o Sonoita Creek running from the eastern AMA boundary to its confluence with the Santa Cruz River near Rio Rico o The Sierrita and Santa Rita Mountains on the northern AMA boundary, the San Cayetano and Santa Rita Mountains on the eastern boundary, and the Pajarito, Atascosa and Tumacacori Mountains on the western boundary. o The lowest point in the AMA at 3,000 feet where the Santa Cruz River exits the AMA o The highest point in the AMA at 9,453 feet at Mt. Wrightson in the Santa Rita Mountains 317 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Section 8.4 Santa Cruz Active Management Area 318 Arizona Water Atlas Volume 8 8.4.2 Land Ownership in the Santa Cruz AMA Land ownership, including the percentage of ownership by category, for the Santa Cruz AMA is shown in Figure 8.4-2. Features of land ownership in the AMA are contiguous areas of private and forest service land. A description of land ownership data sources and methods is found in Volume 1, Appendix A. More detailed information on National Parks, Monuments and Wilderness Areas is found in Section 8.0.4. Land ownership categories are discussed below in the order of percentage from largest to smallest in the AMA. Private • 42.6% of the land is private. • Land uses include domestic, commercial, agriculture and grazing. National Forest • 35.7% of the land is federally owned and by the United States Forest Service (USFS) as the Coronado National Forest. • The AMA contains 5,540 acres of the 15,860-acre Mt. Wrightson Wilderness in the northeast corner (See Figure 8.0-13). • Land uses include resource conservation, recreation and grazing. State Trust Land • 21.3% of the land is held in trust for the public schools and other beneficiaries under the State Trust Land system. • Primary land use is grazing. U.S. Bureau of Land Management (BLM) • 0.2% of the land is federally owned and managed by the Tucson Field Office of the U.S. Bureau of Land Management. • Primary land use is grazing. Other (Game and Fish, County and Bureau of Reclamation Lands) • 0.1% of the land is owned and managed by Arizona State Parks as Patagonia State Park and Tubac Presidio State Historic Park. • Primary land use is recreation. 319 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Section 8.4 Santa Cruz Active Management Area 320 Arizona Water Atlas Volume 8 8.4.3 Climate of the Santa Cruz AMA Climate data from NOAA/NWS Co-op Network and Evaporation Pan stations are complied in Table 8.4-1 and the locations are shown on Figure 8.4-3. Figure 8.4-3 also shows precipitation contour data from the Spatial Climate Analysis Service (SCAS) at Oregon State University. The Santa Cruz AMA does not contain AZMET or SNOTEL/Snowcourse stations. More detailed information on climate is found in Section 8.0.3. A description of the climate data sources and methods is found in Volume 1, Appendix A. NOAA/NWS Co-op Network • Refer to Table 8.4-1A • There are four NOAA/NWS Co-op Network stations in the AMA. The average monthly maximum temperature occurs in July and is between 78°F and 81.1°F. The average monthly minimum temperature occurs in January and is between 45.5°F and 48.4°F. • Highest average seasonal rainfall occurs in the summer (July-September). For the period of record used, the highest average annual rainfall is 19.03 inches at the Nogales 6N station and the lowest is 15.70 inches at the Old Nogales station. Evaporation Pan • Refer to Table 8.4-1B • There is one Evaporation Pan station in the AMA. Elevation at the station is 3,560 feet and average annual evaporation is 91.2 inches. SCAS Precipitation Data • See Figure 8.4-3 • Additional precipitation data shows average annual rainfall as high as 36 inches on the eastern AMA boundary and as low as 14 inches in the center of the AMA in the vicinity of Amado and Tubac. 321 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Table 8.4-1 Climate Data for the Santa Cruz AMA A. NOAA/NWS Co-op Network: Station Name Period of Elevation Record Used for (in feet) Averages Monthly Average Temperature Range (in F) Average Precipitation (in inches) Max/Month Min/Month Winter Spring Summer Fall Annual Nogales 3,813 1948-19831 78/Jul 45.5/Jan 3.41 1.20 9.64 3.65 17.90 Nogales 6 N 3,560 1971-2000 78.9/Jul 45.5/Jan 3.40 1.35 10.19 4.09 19.03 Old Nogales 3,904 1892-19481 80.1/Jul 46.6/Jan 2.59 0.92 9.59 2.60 15.70 Tumacacori Natl Monm 3,266 1971-2000 81.1/Jul 48.4/Jan 3.37 1.03 9.48 3.52 17.40 Source: WRCC, 2005b Notes: Average temperature data from period of record shown; average precipitation data from 1971 - 2000 1 B. Evaporation Pan: Station Name Nogales 6 N Period of Elevation Record Used for (in feet) Averages 3,560 1952-2005 Elevation (in feet) Period of Record Avg. Annual Evap (in inches) 91.20 Source: WRCC, 2005a C. AZMET: Station Name Average Annual Reference Evaportranspiration, in inches (Number of years to calculate averages) None D. SNOTEL/Snowcourse: Station Name Elevation (in feet) Period of Record Average Snowpack, at Beginning of the Month, as Inches Snow Water Content (Number of measurements to calculate average) Jan. Feb. March April May June None Section 8.4 Santa Cruz Active Management Area 322 Arizona Water Atlas Volume 8 323 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 8.4.4 Surface Water Conditions in the Santa Cruz AMA Streamflow data, including average seasonal flow, annual flow and other information are shown in Table 8.4-2. Flood ALERT equipment in the AMA is shown in Table 8.4-3. Flood ALERT equipment information is current up to October 2005. New flood warning gages are routinely added to the ALERT network so the current number of stations may be greater. Reservoir and stockpond data, including maximum storage or maximum surface area, are shown in Table 8.4-4. The location of streamflow gages identified by USGS number, flood ALERT equipment and large reservoirs are shown on Figure 8.4-4. There are no mapped USGS runoff contours in the Santa Cruz AMA. Descriptions of stream, reservoir and stockpond data sources and methods are found in Volume 1, Appendix A. Streamflow Data • Refer to Table 8.4-2. • Data from four stations located at three watercourses are shown in the table and on Figure 8.4-4. • Average seasonal flow is highest at most stations in the summer season (July-September). • The largest annual flow recorded in the AMA is 88,145 acre feet in 1983 at the Santa Cruz River near Nogales gage with a contributing drainage area of 533 square miles. Flood ALERT Equipment • Refer to Table 8.4-3. • There are four ALERT gages in the Santa Cruz AMA. Reservoirs and Stockponds • Refer to Table 8.4-4. • The AMA contains two large reservoirs. The largest, Patagonia, has a maximum storage of 7,540 acre-feet. • Surface water is stored or could be stored in four small reservoirs. • There are 452 registered stockponds in the Santa Cruz AMA. Section 8.4 Santa Cruz Active Management Area 324 Arizona Water Atlas Volume 8 Table 8.4-2 Streamflow Data for the Santa Cruz AMA Average Seasonal Flow (% of annual flow) Annual Flow/Year (in acre-feet) Drainage 2 Area (in mi ) Gage Elevation (in feet) Period of Record Santa Cruz River near Nogales 533 3,703 1/1913-current (real-time) 9481000 Nogales Wash at Nogales 37 3,753 4/1932-3/1934 (discontinued) 9481500 Sonoita Creek near Patagonia 209 3,818 6/1930-9/1972 (discontinued) 23 9 50 18 1,431 (1944) 9481740 Santa Cruz River at Tubac NA 3,180 9/1995-current (real-time) 20 10 32 38 11,331 (1996) Station Number USGS Station Name 9480500 Years of Annual Flow Maximum Record Winter Spring Summer Fall Minimum Median Mean 29 3 46 22 273 (2004) 14,013 18,627 88,145 (1983) 76 4,857 5,868 20,714 (1966) 39 16,837 25,276 82,257 (2000) 8 No statistics run, less than 3 years data Sources: USGS (NWIS) 2005 & 2008 Notes: NA = Not available Statistics based on Calendar Year Annual Flow statistics based on monthly values Summation of Average Seasonal Flows may not equal 100 due to rounding. Period of record may not equal Year of Record used for annual Flow/Year statistics due to only using years with a 12 month record In Period of Record, current equals November 2008 Seasonal and annual flow data used for statisitics was retrieved in 2007 325 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Table 8.4-3 Flood ALERT Equipment in the Santa Cruz AMA Station ID Station Name Station Type Install Date Responsibility 2530 Potrero Precipitation/Stage 10/16/2001 ADWR 2540 Las Canoas Precipitation/Stage 10/15/2001 ADWR 2550 Nogales Wash Precipitation/Stage 10/16/2001 ADWR 6060 Santa Cruz River @ Canoa Precipitation/Stage 3/1/1993 Pima Co FCD Source: ADWR 2005a Notes: ADWR = Arizona Department of Water Resources FCD = Flood Control District Section 8.4 Santa Cruz Active Management Area 326 Arizona Water Atlas Volume 8 Table 8.4-4 Reservoirs and Stockponds in the Santa Cruz AMA A. Large Reservoirs (500 acre-feet capacity and greater) MAP KEY RESERVOIR/LAKE NAME (Name of dam, if different) OWNER/OPERATOR MAXIMUM STORAGE (AF) USE1 JURISDICTION 1 Patagonia AZ Game and Fish Dept 7,540 R,S State 2 Peña Blanca Arizona State Parks 1,240 R State MAXIMUM SURFACE AREA (acres) USE JURISDICTION B. Other Large Reservoirs (50 acre surface area or greater) MAP KEY RESERVOIR/LAKE NAME (Name of dam, if different) OWNER/OPERATOR None identified by ADWR at this time Source: Compilation of databases from ADWR & others C. Small Reservoirs (greater than 15 acre-feet and less than 500 acre-feet capacity) Total number: 1 Total maximum storage: 200 acre-feet D. Other Small Reservoirs (between 5 and 50 acres surface area)2 Total number: 3 Total surface area: 26 acres E. Stockponds (up to 15 acre-feet capacity) Total number: 452 Notes: R = Recreation, S = Water Supply 2 Capacity data is not available to ADWR 1 327 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Section 8.4 Santa Cruz Active Management Area 328 Arizona Water Atlas Volume 8 8.4.5 Perennial/Intermittent Streams and Springs in the Santa Cruz AMA Major and minor springs with discharge rates and date of measurement, and the total number of springs in the AMA are shown in Table 8.4-5. The locations of major springs and perennial and intermittent streams are shown on Figure 8.4-5. Descriptions of data sources and methods for intermittent and perennial reaches and springs are found in Volume 1, Appendix A. • • • • • • Perennial streams include reaches of the Santa Cruz River and Sonoita Creek. The perennial reach of the Santa Cruz River is in a 12-mile long effluent dominated segment. A number of intermittent streams occur along the eastern AMA boundary. There are two major springs in the AMA with a measured discharge of 10 gallons per minute (gpm) or greater at any time. Springs with measured discharge of 1 to 10 gpm are not mapped but coordinates are given in Table 8.4-5B. There is one minor spring. Listed discharge rates may not be indicative of current conditions. Both measurements were taken during or prior to 1952. The total number of springs, regardless of discharge, identified by the USGS or ALRIS varies from 46 to 48, depending on the database reference. Table 8.4-5 Springs in the Santa Cruz AMA A. Major Springs (10 gpm or greater): Location1 Map Key Name Longitude Discharge (in gpm) Date Discharge Measured Latitude 1 Sopori 314321 1110707 377 1/9/1952 2 Elias 314228 1110949 40 NA Latitude Longitude Discharge (in gpm) Date Discharge Measured 312321 1110530 4 4/17/1946 B. Minor Springs (1 to 10 gpm): Name Pena Blanca Location1 Source: Compilation of databases from ADWR & others C. Total number of springs, regardless of discharge, identified by USGS (see ALRIS, 2005a and USGS, 2006b): 46 to 48 Notes: Location datum is NAD 27 1 329 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Section 8.4 Santa Cruz Active Management Area 330 Arizona Water Atlas Volume 8 8.4.6 Groundwater Conditions of the Santa Cruz AMA Major aquifers, well yields, estimated natural recharge, number of index wells and date of last water-level sweep are shown in Table 8.4-6. Figure 8.4-6 shows aquifer flow direction and waterlevel change between 1995 and 2004-2005. Figure 8.4-7 contains hydrographs for selected wells shown on Figures 8.4-6. Figure 8.4-8 shows well yields in five yield categories. There are no Underground Storage Facilities (USFs) in the Santa Cruz AMA. A description of aquifer data sources and methods as well as well data sources and methods, including water-level changes and well yields are found in Volume 1, Appendix A. Major Aquifers • Refer to Table 8.4-6 and Figure 8.4-6 • The major aquifers in this AMA are recent stream alluvium and basin fill. • Groundwater flow is to the north, toward and along the Santa Cruz River drainage. • Groundwater is stored in smaller, fault delimited micro-basins. Well Yields • Refer to Table 8.4-6 and Figure 8.4-8 • One source of well yield information, based on 115 reported wells, indicates that the median well yield is 800 gpm. • Well yields are typically higher in the recent stream alluvium and lower in the basin fill. Natural Recharge • Refer to Table 8.4-6 • Natural recharge in the Santa Cruz AMA is estimated at 61,050 acre-feet per year. • Sources of natural recharge include infiltration from the Santa Cruz River, mountain front recharge and groundwater inflow from the south. Water Level • Refer to Figure 8.4-6. Water levels are shown for wells measured in 2004-2005. • The Department annually measures 52 index wells in the AMA. Hydrographs for five of these wells are shown on Figure 8.4-7. • The deepest and shallowest water levels shown are along Highway 289 at 323 feet and two feet, respectively. 331 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Table 8.4-6 Groundwater Data for the Santa Cruz AMA Basin Area, in square miles: 716 Name and/or Geologic Units Major Aquifer(s): Recent Stream Alluvium Basin Fill Well Yields, in gal/min: Estimated Natural Recharge, in acre-feet/year: Range 3.6-4,083 Median 628 (97 wells measured) Range 1-5,400 Median 800 (115 wells reported) ADWR GWSI Reported on registration forms for large (> 10-inch) diameter wells (Wells55) 61,050 ADWR Santa Cruz TMP (ADWR, 1999) Current Number of Index Wells: 52 Date of Last Water-level Sweep: 2005 (186 well measurements) TMP = Third Management Plan GWSI = Groundwater Site Inventory System Section 8.4 Santa Cruz Active Management Area 332 Arizona Water Atlas Volume 8 333 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Figure 8.4-7 Santa Cruz Active Management Area Hydrographs Showing Depth to Water in Selected Wells A 25 Depth To Water In Feet Below Land Surface 75 1975 B 25 75 1975 C 0 50 1975 D 0 WELL DEPTH: 197 FT. USE: IRRIGATION 1985 (D-20-13)06CBA 1995 WELL DEPTH: UNKNOWN USE: DOMESTIC 1985 (D-20-11)21DAA 1995 WELL DEPTH: 100 FT. USE: DOMESTIC 1985 2005 2005 (D-21-13)19DBC 1995 WELL DEPTH: 105 FT. USE: DOMESTIC 2005 (D-22-13)25DDD 50 100 1975 1985 1995 Section 8.4 Santa Cruz Active Management Area 2005 334 Arizona Water Atlas Volume 8 Depth To Water In Feet Below Land Surface Figure 8.4-7 (cont) Santa Cruz Active Management Area Hydrographs Showing Depth to Water in Selected Wells E 175 WELL DEPTH: 500 FT. USE: PUBLIC SUPPLY (D-24-14)18CBC 225 275 1975 335 1985 1995 2005 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Section 8.4 Santa Cruz Active Management Area 336 Arizona Water Atlas Volume 8 8.4.7 Water Quality Exceedences and Contamination Sites in the Santa Cruz AMA Sites with parameter concentrations that have equaled or exceeded drinking water standard(s) (DWS), including location and parameter(s) are shown in Table 8.4-7A. Impaired lakes and streams with site type, name, length of impaired reach, area of impaired lake, designated use standard and parameter(s) exceeded is shown in Table 8.4-7B. Figure 8.4-9 shows the location of water quality occurrences keyed to Table 8.4-7. Figure 8.4-10 shows the located of contamination sites in the Santa Cruz AMA with site information in Table 8.4-8. A description of water quality data sources and methods is found in Volume 1, Appendix A. Not all parameters were measured at all sites; selective sampling for particular constituents is common. Well, mine and spring sites that have equaled or exceeded drinking water standards (DWS) • Refer to Table 8.4-7A. • Forty-four sites have parameter concentrations that have equaled or exceeded DWS. • The most frequently equaled or exceeded parameters are organics and arsenic. • Other parameters equaled or exceeded include mercury, fluoride, lead, radionuclides, selenium and nitrates. Lakes and Streams with impaired waters • Refer to Table 8.4-7B. • Water quality standards were equaled or exceeded in three stream reaches and one lake. The parameters most commonly equaled or exceeded were copper and E. coli. • One reach, Three R Canyon - headwaters to ephemeral segment, and one lake, Pena Blanca Lake, are part of the ADEQ water quality improvement effort called the Total Maximum Daily Load (TMDL) Program. The final TMDL document has been completed for both. Effluent Dependent Reaches • Refer to Figure 8.4-9 • A portion of the Santa Cruz River in this AMA is effluent dependent. Contamination Sites • Refer to Figure 8.4-10 and Table 8.4-8 • There are two contamination sites in the AMA in the vicinity of Nogales. 337 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Table 8.4-7 Water Quality Exceedences in the Santa Cruz AMA1 A. Wells, Springs and Mines Location Parameter(s) Concentration has Equaled or Exceeded Drinking Township Range Section Number of Stations 1 19 South 13 East 29 2 Organics, Pb 2 20 South 13 East 31 1 As 3 21 South 12 East 13 1 As 4 21 South 13 East 19 1 As 5 21 South 13 East 30 1 As 6 21 South 14 East 30 1 Hg Map Key(s) Water Standard (DWS)2 7 22 South 11 East 3 1 Rad 8 22 South 13 East 34 1 NO3 Pb 9 23 South 13 East 1 1 11 23 South 12 East 26 1 F 10, 12 23 South 14 East 19 2 NO3 12, 13 23 South 13 East 25 6 Organics 12 23 South 14 East 30 4 F, NO3, Organics 13, 15 23 South 13 East 36 6 F, NO3, Organics, Pb 14 23 South 14 East 31 4 As, Organics, Se 16 24 South 14 East 5 2 As, Organics 17 24 South 14 East 8 1 As 18 24 South 14 East 16 1 As, Pb 18, 19 24 South 14 East 17 6 As, Organics, Pb 19 24 South 14 East 20 1 Organics Length of Impaired Stream Reach (in miles) Area of Impaired Lake (in acres) Designated Use Standard3 2.3 NA A&W, PBC, Agl Cd, Cu, Zn, pH 17 NA FBC E. Coli 6.2 NA A&W, PBC E. Coli, Cu, Cl NA 50 FC Hg Source: Compilation of databases from ADWR & others B. Lakes and Streams Map Key Site Type a Stream b Stream c Stream d Lake Site Name Three R Canyonheadwaters to ephemeral segment Santa Cruz River Mexican border to Nogales WWTP outfall Nogales Wash - Mexico border to Santa Cruz River Pena Blanca Lake4 Parameter(s) Exceeding Use Standard2 Source: ADEQ 2005c Notes: 1 Water quality samples collected between 1975 and 2001. Listed TDS exceedences indicate "mineralized water" that contains over 3000 milligrams per liter (mg/l) of TDS and would require special well construction procedures (A.A.C. R12-15-812(B)). The secondary drinking water standard for TDS is 500 mg/l. 2 As = Arsenic Cd = Cadmium Cl = Chlorine Cu = Copper F = Fluoride Hg = Mercury Pb = Lead pH = Measurement of acidity or alkalinity NO3 = Nitrate/ Nitrite Organics = One or more of several volatile and semi-volatile organic compounds and pesticides Rad = radionuclides Se = Selenium Zn = Zinc 3 A&W = Aquatic and Wildlife Agl = Agriculture FC = Fish Consumption FBC= Full Body Contact PBC = Partial Body Contact 4 Pena Blanca Lake was emptied and dredged in 2009 to remove mercury contamination. Section 8.4 Santa Cruz Active Management Area 338 Arizona Water Atlas Volume 8 339 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Table 8.4-8 Contamination Sites in the Santa Cruz AMA SITE NAME MEDIA AFFECTED AND CONTAMINANT Voluntary Remediation Sites Soil & Groundwater/Volatile Organic Valencia Power Plant Compounds (VOCs) and Chromium Resource Conservation and Recovery Sites United Musical Groundwater/Volatile Organic Compounds (VOCs) Sources: ADEQ 2006a, ADEQ 2006b Section 8.4 Santa Cruz Active Management Area 340 Arizona Water Atlas Volume 8 341 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 8.4.8 Cultural Water Demands in the Santa Cruz AMA Cultural water demand data including population, number of wells and the average well pumpage and non-groundwater use by the municipal, industrial and agricultural sectors are shown in Table 8.4-9. Effluent generation including facility ownership, location, population served and not served, volume treated, disposal method and treatment level is shown in Table 8.4-10. Figure 8.4-11 shows the location of demand centers. A description of cultural water demand data sources and methods is found in Volume 1, Appendix A. More detailed information on cultural water demands is found in Section 8.0.7. Cultural Water Demands • Refer to Table 8.4-9 and Figure 8.4-11. • Population in this AMA increased from 18,728 in 1980 to 37,049 in 2000 and projections suggest an increase to over 70,000 residents by 2030. • Total average annual water use in the Santa Cruz AMA has increased slightly since the early 1990s; however, the proportional use by the three major demand sectors has stayed relatively constant. • In 2001-2005 agricultural water demand accounted for approximately 58% of the total annual water demand, the municipal sector accounts for 35% and the industrial sector approximately 7%. • Coordinated management of groundwater and surface water is practiced in the Santa Cruz AMA and use of non-groundwater supplies have not been separately reported. • As of 2005 there were 1,246 registered wells with a pumping capacity of less than or equal to 35 gpm and 593 wells with a pumping capacity of more than 35 gpm. Effluent Generation • Refer to Table 8.4-10. • Seven wastewater treatment facilities were identified in the AMA. • A variety of effluent disposal methods are used in the AMA but the largest volume of effluent is disposed of by discharge into the Santa Cruz River. • More than 16,300 acre-feet of effluent is treated/generated annually in the AMA. Section 8.4 Santa Cruz Active Management Area 342 Arizona Water Atlas Volume 8 1 Table 8.4-9 Cultural Water Demand in the Santa Cruz AMA 2 Year Average Annual Demand (in acre-feet) Estimated Number of Registered and Water Supply Wells Drilled 3 Surface-Water Diversions Well Pumpage Projected Data Population 4 4 Source Q < 35 gpm Q > 35 gpm Municipal Industrial Agricultural Municipal Industrial Agricultural 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 18,728 1981 19,128 1982 19,536 1983 19,957 1984 20,402 1985 20,911 1986 21,516 1987 22,682 1988 23,449 1989 26,107 1990 27,747 1991 28,413 1992 29,102 1993 30,296 1994 31,209 1995 31,950 1996 33,010 1997 33,815 1998 34,716 1999 36,114 2000 37,049 2001 38,395 2002 40,953 2003 45,021 2004 46,809 2005 47,201 2010 49,101 2020 60,706 2025 65,795 2030 70,343 WELL TOTALS: 5 695 NR NR NR NR 5 277 6 75 35 NR NR 76 60 20,300 NR 89 93 6,400 1,300 11,400 NR NR ADWR (1994a) NR ADWR (2009) 124 93 7,100 1,500 13,500 NR NR NR 187 35 7,800 1,500 13,000 NR NR NR 1,246 593 Notes: NR = Not reported. 1 Does not include evaporation losses from stockponds and reservoirs. 2 Includes Indian Demand 3 Within the Santa Cruz AMA, water is not separately defined as surface water or groundwater so all volumes are reported under well pumpage. 4 Agricultural demand does not include small exempt use after 1993. 5 Includes all wells through 1980. Until 1994 the Santa Cruz AMA was part of the Tucson AMA. Water demand for the Santa Cruz AMA between 1971-1985 is included on Table 8.5-10, Tucson AMA Cultural Water Demand. 6 343 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Table 8.4-10 Effluent Generation in the Santa Cruz AMA Facility Name Ownership City/Location Served Population Served Volume Treated/Generated (acre-feet) Arivaca Junction WWTF Pima County Arivaca Junction 840 68 Baca Float Private Tubac 342 6 Kino Springs WWTF City of Nogales Nogales 176 22 La Entrada De Tubac Plaza Private Tubac Plaza NA NA 161 Evaporation Irrigation Pond X Wildlife Area Discharged to Another Facility Infiltration Basin X X X X NA Madera Canyon NA Madera Canyon City of Nogales/IBWC Nogales NA 21,000 16,221 Tubac WWTF Private Tubac 1,710 19 24,229 16,307 1 Golf Course X Nogales International WWTP Total Disposal Method Water course X 2 X X Industrial Reuse Other X Current Population Treatment Level Not Served Year of Record Secondary NA 2004 Secondary NA 2008 Secondary NA 2004 NA NA NA NA NA NA Secondary NA 2004 Tertiery NA 2008 Sources: Clean Water Needs Survey (CWNS) 2004 and 2006 Data, ADEQ 2005a Notes: 1 Population Served for Nogales International WWTP is the US portion only, 2004 estimate of Non-US residents served exceeds 367,000. 2 Total volume generated from WWTP, includes both US and Non-US portions IBWC = International Boundary and Water Commission WWTF=Wastewater Treatment Facility WWTP=Wastewater Treatment Plant NA=not available Section 8.4 Santa Cruz Active Management Area 344 Arizona Water Atlas Volume 8 345 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 8.4.9 Assured Water Supply Determinations in the Santa Cruz AMA Assured water supply determination information including the subdivision name, location, number of lots, date of determination and subdivision water provider are shown in Table 8.4-11A, B and C for certificates, water adequacy reports and analysis of assured water supply. Designated water provider information is shown in Table 8.4-11D with date of application, date the designation was issued and projected or annual estimated demand. Figure 8.4-12 shows the general locations of subdivisions (to the section level) and designated provider water service areas keyed to the Table. A description of the Assured Water Supply Program is found in Section 8.0.5 and in Volume 1, Appendix C. Assured Water Supply determination data sources and methods are found in Volume 1, Appendix A. • • • • Lot count totals may over estimate actual platted lots due to database accounting. changes in file numbering methodology and subsequent development plan changes. As of February 2008, 77 subdivisions with a total of 18,952 lots have been reviewed for an assured water supply determination. All but one of the determinations were in Santa Cruz County. 3,707 lots in 39 subdivisions received a Certificate of Assured Water Supply, 1,491 lots in 32 subdivisions received Water Adequacy Reports (pre-AMA determinations) and 13,754 lots in six developments received an Analyses of Assured Water Supply. There are two designated providers, City of Nogales and Baca Float Water Company, Inc, with a total projected or estimated annual water use of 6,655 acre-feet. Section 8.4 Santa Cruz Active Management Area 346 Arizona Water Atlas Volume 8 Table 8.4-11 Assured Water Supply Determinations in the Santa Cruz AMA1 A. Certificates of Assured Water Supply Map Key Subdivision Name County 2 Lakewood Estates Lots 118150 3 Location Date of Determination Water Provider at the Time of Application 27-200175 04/06/83 Lakewood Water Company 21 27-400781 06/30/03 1 & 11 322 27-500082 12/18/07 24 25 27-401280 12/23/04 No. of Lots ADWR File No. Township Range Section Pima 19 South 12 East 36 33 Rio Cruz Santa Cruz 20 South 13 East 31 4 Vistas at Sopori Ranch Santa Cruz 21 South 12 East 6 The Ranch at Aliso Springs, Lots 1-25 Santa Cruz 21 South 12 East Arizona American Water Company - Tubac Sopori Domestic Water Improvement District Dry lot Cerro Pelon Santa Cruz 21 South 12 East 12 23 27-200047 02/07/94 Tubac Valley Water Company Silver Spur Ranchettes Santa Cruz 21 South 12 East 12 6 27-200314 08/06/98 Tubac Valley Water Company Barrio de Tubac Phase I Santa Cruz 21 South 13 East 7 & 18 141 27-300303 08/15/97 7 8 San Miguel Patio Homes Phases II and III Santa Cruz 21 South 13 East 18 9 27-401068 10/22/03 Cielito Lindo de Tubac Phase II Santa Cruz 21 South 13 East 18 31 27-401069 10/22/03 Santiago at Barrio de Tubac Phase II Santa Cruz 21 South 13 East 18 37 27-401070 10/22/03 Palo Parada Estates Santa Cruz 21 South 13 East 7 10 27-200215 06/16/92 10 Estates de Anza Santa Cruz 21 South 13 East 6 18 27-500038 03/22/07 Santa Cruz 21 South 13 East 5, 6 & 7 10 27-200359 05/28/92 11 Tubac Valley C.C. Fairway Est. (1992) Tubac Golf Resort Development Santa Cruz 21 South 13 East 6, 7 & 8 229 27-401104 03/07/05 Santa Cruz 21 South 13 East 5&6 111 27-200357 03/07/95 04/19/84 9 12 Tubac Ranch Properties Lmtd 13 Tubac Valley C.C. Fairway Est. (1984) Tubac Golf Resort Homes Lots 1-60 Santa Cruz 21 South 13 East 5&6 111 27-200358 Santa Cruz 21 South 13 East 5&6 60 27-400929 06/26/03 Tubac 40 Santa Cruz 21 South 13 East 6 85 27-500085 03/19/07 Palo Parado Hills Santa Cruz 22 South 13 East 7, 8, 17 & 18 16 27-200216 02/05/85 Dry lot 22 South 13 East 2, 3, 10 & 11 348 27-700357 09/06/07 Rio Rico Utilities 15 16 21 Baca Float Water Company, Inc. Baca Float Water Company, Inc. Baca Float Water Company, Inc. Baca Float Water Company, Inc. Arizona American Water Company - Tubac Arizona American Water Company - Tubac Arizona American Water Company - Tubac Arizona American Water Company - Tubac Arizona American Water Company - Tubac Arizona American Water Company - Tubac Arizona American Water Company - Tubac Arizona American Water Company - Tubac Calabasas Rio Rico Unit 4, Lots Santa Cruz 1-348 and a portion of Lot C Rio Rico Unit 4, Lots A, B, D, F Santa Cruz and a portion of Lot C 22 South 13 East 2, 3, 10 & 11 100 27-700358 09/06/07 Rio Rico Utilities 25 Rio Rico Villas Unit 5 Santa Cruz 22 South 13 East 24 & 25 1090 27-300331 04/28/99 Rio Rico Utilities 28 Rio Rico Ranchettes Unit 16 Santa Cruz 22 South 14 East 31, 32 & 33 259 27-300336 04/28/99 Rio Rico Utilities Lake Patagonia Ranch Santa Cruz 22 South 14 East 36 NA 27-200165 07/06/83 Dry lot Lake Patagonia Ranch Santa Cruz 22 South 14 East 36 NA 27-200169 01/25/89 Dry lot Sonoita Creek Ranch Santa Cruz 22 South 14 East 1, 2 & 36 NA 27-200315 06/24/83 Dry lot Lake Patagonia Ranch Santa Cruz 22 South 15 East 5, 6 & 31 NA 27-200166 07/06/83 Dry lot Lake Patagonia Ranch Santa Cruz 22 South 15 East 31 NA 27-200170 01/25/89 Dry lot Pena Blanca Highlands Santa Cruz 23 South 13 East 13, 24 & 25 127 27-200225 05/16/91 Valle Verde Water Co. Coronado Estates Santa Cruz 23 South 13 East 24 & 25 41 27-400934 07/28/03 Valle Verde Water Co. Las Colinas Sagradas, Phase 1 Santa Cruz 23 South 13 East 24 & 25 264 27-700425 01/24/08 Valle Verde Water Co. 29 30 31 35 36 37 Las Minas Estates Santa Cruz 23 South 13 East 25 NA 27-200176 09/10/81 Valle Verde Water Co. 39 Las Minas Estates Santa Cruz 23 South 13 East 25 133 27-200177 06/10/82 Valle Verde Water Co. Lopez Industrial Park Santa Cruz 23 South 13 East 25 12 27-200185 04/10/86 Valle Verde Water Co. 48 Lake Patagonia Ranch Santa Cruz 23 South 14 East 1&2 NA 27-200167 07/06/83 Dry lot 49 Lake Patagonia Ranch Santa Cruz 23 South 14 East 1&2 NA 27-200171 01/25/89 Dry lot Lake Patagonia Ranch Santa Cruz 23 South 15 East 5&6 NA 27-200168 07/06/83 Dry lot Lake Patagonia Ranch Santa Cruz 23 South 15 East 5&6 NA 27-200172 01/25/89 Dry lot Lake Patagonia Ranch #6B Santa Cruz 23 South 15 East 5 35 27-200173 04/08/93 Dry lot 50 51 Source: ADWR 2008 347 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Table 8.4-11 Assured Water Supply Determinations in the Santa Cruz AMA (Cont)1 B. Water Adequacy Reports Location Map Key Subdivision Name 3 Tubac Valley Villas 7 County ADWR Adequacy Determination2 Date of Determination Water Provider at the Time of Application 3 53-501582 Adequate 03/13/74 Arizona American Water Company Tubac 22 53-500613 Adequate 10/25/77 7 53-500377 Adequate 07/10/74 No. of Lots ADWR File No. Township Range Section Santa Cruz 20 South 13 East 31 33 Empty Saddle Estates Santa Cruz 21 South 12 East 12 10 Calle del Ayer Santa Cruz 21 South 13 East 6 14 Rio Rico Villas Unit 14, lots 2, 20 & 53 Santa Cruz 21 South; 22 South 13 East; 14 East 32 & 33; 4 & 5 3 53-700379 Inadequate 07/27/07 Rio Rico Utilities 17 Ranchos Del Rio Santa Cruz 22 South 13 East 9 55 53-401467 Inadequate 09/24/04 Rio Rico Utilities 18 Los Altos Subdivision Santa Cruz 22 South 13 East 16 9 53-401465 Inadequate 09/02/04 Rio Rico Utilities 21, 22, 27, 28 & 34 298 53-501309 Inadequate 10/05/83 Rio Rico Utilities 53-401800 Inadequate 08/03/05 Rio Rico Utilities Arizona American Water Company Tubac Tubac Valley Water Company 19 Rio Rico Villas #13 Santa Cruz 22 South 13 East 20 Bella Vista North, Lots 109121, 125-140, 174-227 & C.A.s "L" - "P" Santa Cruz 22 South 13 East 34 83 103 53-501308 Inadequate 10/05/83 Rio Rico Utilities 7 53-400091 Inadequate 06/14/99 Rio Rico Utilities Rio Rico Ranchettes #3 Santa Cruz 22 South 13 East 23, 24, 25 & 36 Rio Rico Ranchettes Unit 3, #4/Unit 10 Santa Cruz 22 South 13 East 23 23 Rio Rico Estates #3 Santa Cruz 22 South 13 East 25, 26, 35 & 36 49 53-501307 Inadequate 10/05/83 Rio Rico Utilities 24 Piedras Blancas Santa Cruz 22 South 13 East 13 37 53-401295 Inadequate 04/26/04 Rio Rico Utilities Rio Rico Utilities 22 26 Rio Rico Estates Unit 10 Santa Cruz 22 South 13 East 35 & 36 8 53-401735 Inadequate 08/11/05 27 Rio Rico Ranchettes Unit 18 Santa Cruz 22 South 14 East 31 4 53-700235 Adequate 02/15/07 Dry lot 32 Rio Rico Resort Terrace Santa Cruz 23 South 13 East 3 199 53-700307 Inadequate 04/18/07 Rio Rico Utilities Bella Vista Unit 7 Santa Cruz 23 South 13 East 2&3 118 53-400361 Inadequate 07/19/00 Rio Rico Utilities Bella Vista North / Bella Vista III Santa Cruz 23 South 13 East 2&3 234 53-401296 Inadequate 05/18/04 Rio Rico Utilities 33 34 Casitas De Anza Santa Cruz 23 South 13 East 35 11 53-401527 Inadequate 11/03/04 Rio Rico Utilities 40 Meadow Hills Estates Santa Cruz 23 South 13 East 36 35 53-500945 Adequate 09/17/73 Potrero Water Company 41 Rio Rico Estates Unit 10 Santa Cruz 23 South 13 East 1 8 53-401735 Inadequate 08/11/05 Rio Rico Utilities 42 Rio Rico Estates Unit 10 Santa Cruz 23 South 14 East 5, 6 & 7 8 53-401735 Inadequate 08/11/05 Rio Rico Utilities Valle Verde Water Co. Los Alamos Santa Cruz 23 South 14 East 19 7 53-500915 Adequate 01/20/75 Estancias Rio Vista Santa Cruz 23 South 14 East 19 12 53-401528 Inadequate 11/04/04 Rio Rico Utilities Valle Verde #10 Santa Cruz 23 South 14 East 31 12 53-501595 Adequate 09/15/75 Valle Verde Water Co. 43 44 Mi Casa Santa Cruz 23 South 14 East 31 47 53-500974 Adequate 09/22/76 Valle Verde Water Co. Batiz Park Santa Cruz 23 South 14 East 31 19 53-500308 Adequate 09/22/76 Valle Verde Water Co. Los Robles Santa Cruz 23 South 14 East 5 6 53-500929 Adequate 08/22/79 Valle Verde Water Co. Rio Rico Ranchettes Unit II Santa Cruz 23 South 14 East 5-8 & 17 7 53-400481 Inadequate 03/26/01 Rio Rico Utilities River View Estates Santa Cruz 23 South 14 East 17 9 53-401468 Inadequate 09/24/04 Rio Rico Utilities 45 46 47 Camino Cumbre Santa Cruz 23 South 14 East 3&4 7 53-400950 Inadequate 06/02/03 Buena Vista Mobile Home Park Santa Cruz 24 South 15 East 18 0 53-500367 Adequate 07/30/84 Buena Vista Mobile Estates Santa Cruz 24 South 15 East 7 & 18 34 53-500366 Adequate 01/21/81 Date of Determination Water Provider at the Time of Application Undetermined 52 Rio Rico Utilities Buena Vista Public Service Buena Vista Public Service Source: ADWR 2008 C. Analyses ofAssured Water Supply Map Key Subdivision Name County Location Township 1 Sopori Ranch Santa Cruz 19 South; 20 South; 20 South; 20 South; 21 South Range Section 33 & 34; 1115, 22, 27 & 12 East; 11 33-35; 1-9, 12, East; 12 East; 13, 18, 23-25, 13 East; 11 28, 30, 31 & East 33; 31; 4, 5, 8 &9 No. of Lots ADWR File No. 9150 28-700267 04/20/07 5 Alegria Canyon Santa Cruz 21 South 12 East 12, 13 & 14 209 28-401961 03/07/06 Undetermined 10 Three Flags Santa Cruz 21 South 13 East 6 200 28-401980 03/07/06 Arizona American Water Company - Tubac 32 Rio Rico Urban Unit 4 Santa Cruz 23 South 13 East 2, 3, 10 & 11 367 28-300335 08/27/98 Rio Rico Utilities 36 Pena Blanca Highlands Santa Cruz 23 South 13 East 13, 24 & 25 2788 28-400010 07/23/99 Valle Verde Water Co. 38 Las Colinas Sagradas Santa Cruz 23 South 13 East 24 & 25 1040 28-700426 01/24/08 Valle Verde Water Co. Source: ADWR 2008 Section 8.4 Santa Cruz Active Management Area 348 Arizona Water Atlas Volume 8 Table 8.4-11 Assured Water Supply Determinations in the Santa Cruz AMA (Cont)1 D. Designated Water Providers Map Key Water Provider Name County Designation No. Date Application Received Date Designation Issued Projected or Annual Estimated Demand Year of Projected or Annual Estimated A Baca Float Water Company, Inc. Santa Cruz 26-400800 08/13/02 11/17/04 333 2011 B City of Nogales Santa Cruz 26-401358 05/14/04 04/19/05 6,322 2009 Source: ADWR 2008 Notes: Prior to February 1995, ADWR did not assign file numbers to applications for adequacy. Between 1995-2006 all applications for adequacy were given a file number with a 22 prefix. In 2006 a 53 prefix was assigned to all water adequacy reports and applications regardless of their issue date. 1 Includes water reports issued under the Water Adequacy program prior to 1980 implementation of the Assured Water Supply program. 2 Assured and Adequate Water Supply determinations are based on the information available to ADWR and the standards of review and policies in effect at the time the determination was made. A determination of inadequacy could be due to insufficent physical or legal access to water or poor water quality. The Adequacy Program was replaced by the Assured Water Supply Program in the AMAs in 1980. 3 Session law from 1981 (HB 2465, Chapter 203) exempts subdivisions from the Assured Water Supply program where "substantial capital investment toward construction prior to 6/12/80 in addition to original cost of buying the land" has occurred. 349 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Section 8.4 Santa Cruz Active Management Area 350 Arizona Water Atlas Volume 8 Santa Cruz AMA References and Supplemental Reading References A Arizona Department of Economic Security (DES), 2005, Workforce Informer: Data file, accessed August 2005, http://www.workforce.az.gov. (Cultural Water Demand Table) Arizona Department of Environmental Quality, 2006a, Active DOD, Superfund, WQARF, and LUST contamination sites in Arizona: GIS cover, received February 2006. _____, 2006b, Superfund and WQARF programs, Accessed June 2008 at http://www.azdeq.gov/environ/waste/sps/index.html. _____, 2005a, Azurite: Data file, received September 2005. _____, 2005b, Effluent dependent waters: GIS cover, received December 2005. _____, 2005c, Impaired lakes and reaches: GIS cover, received January 2006. _____, 2004a, Water quality exceedences by watershed: Data file, received June 2004. (Water Quality Map and table) _____, 2004b, Water quality exceedences for drinking water providers in Arizona: Data file, received September 2004. (Water Quality Map and Table) Arizona Department of Water Resources (ADWR), 2009, Estimated cultural water demand in the AMA Planning Area: Unpublished Analysis, ADWR Office of Data Management. _____, 2008, Assured and adequate water supply applications: Project files, ADWR Hydrology Division. _____, 2005a, Flood warning gages: Database, ADWR Office of Water Engineering. _____, 2005b, Inspected dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005, Non-jurisdictional dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005, Groundwater Site Inventory (GWSI): Database, ADWR Hydrology Division. _____, 2005, Registry of surface water rights: ADWR Office of Water Management. (Reservoirs and Stockponds Table) _____, 2005, Wells55: Database. _____, 2004, Annual withdrawal and use reports for the Santa Cruz AMA: ADWR Office of Water Management. _____, 1999, Third Management Plan for the Santa Cruz Active Management Area 2000-2010. _____, 1994a, Arizona Water Resources Assessment, Vol. I, Inventory and Analysis. _____, 1994b, Arizona Water Resources Assessment, Vol. II, Hydrologic Summary. Arizona Game and Fish Department (AGF), 1997 & 1993, Statewide riparian inventory and mapping project: GIS cover. Arizona Land Resource Information System (ALRIS), 2005a, Springs: GIS cover, accessed January 2006 at http://www.land.state.az.us/alris/index.html. _____, 2005b, Streams: GIS cover, accessed 2005 at http://www.land. state.az.us/alris/index. html. _____, 2004, Land ownership: GIS cover, accessed in 2004 at http://www.land.state.az. us/alris/index.html. 351 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 E Environmental Protection Agency (EPA), 2004 and 2006, Clean Watershed Needs Survey: datasets, accessed March 2005 at http://www.epa.gov/owm/mtb/cwns/index.htm. O Oregon State University, Spatial Climate Analysis Service (SCAS), 1998, Average annual precipitation in Arizona for 1961-1990: PRISM GIS cover, accessed in 2006 at www.ocs. orst.edu/prism. U US Army Corps of Engineers, 2004 and 2005, National Inventory of Dams: Arizona Dataset, accessed November 2004 to April 2005 at http://crunch.tec.army.mil/nid/webpages/nid. cfm (Reservoirs and Stockponds Table) United States Geological Survey (USGS), 2008 & 2005, National Water Information System (NWIS) data for Arizona: Accessed October 2008 at http://waterdata.usgs.gov/nwis. _____, 2006a, National Hydrography Dataset: Arizona dataset, accessed at http://nhd.usgs.gov/. _____, 2006b, Springs and spring discharges: Dataset, received November 2004 and January 2006 from USGS office in Tucson, AZ. _____, 2004, National Gap Analysis Program - Southwest Regional Gap analysis study- land cover descriptions: Electronic file, accessed January 2005 at http://earth.gis.usu.edu / swgap. _____, 1981, Geographic digital data for 1:500,000 scale maps: USGS National Mapping Program Data Users Guide. W Western Regional Climate Center (WRCC), 2005, Pan evaporation stations: Data file accessed December 2005 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwDI~GetCity~USA. _____, 2005, Precipitation and temperature stations: Data file, accessed December 2007 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwDI~GetCity~USA. Weidner, C., 1996, ADEQ Pollution Prevention Report, Arizona Pollution Prevention. Spring/Summer 1996. (Water Quality Table and Map) Supplemental Reading Betancourt, J.L. and R.M. Turner. 1993. Tucson’s Santa Cruz River and the arroyo legacy. Tucson, Arizona: University of Arizona Press. Cella Barr Associates. 1991. Water adequacy study for the City of Nogales: unpublished report, 132p. Coggeshall, M.C. 1990. Hydrologic assessment and computer model application in the Upper Santa Cruz River Basin, Santa Cruz County, Arizona: University of Arizona master’s thesis. Section 8.4 Santa Cruz Active Management Area 352 Arizona Water Atlas Volume 8 Colby, B.G. and K.L. Jacobs eds, 2007, Arizona Water Policy: Management and Innovations in an Urbanizing, Arid Region: Resources for the Future, Washington D.C. Good Neighbor Environmental Board, 2005, Water Resources Management on the U.S.-Mexico Border: Eighth Report to the President and Congress of the United States. Governor’s Drought Task Force, 2004, Arizona Drought Preparedness Plan. Draft. Phoenix. _____, 2004, Arizona Drought Management Plan. Draft. Phoenix Governor’s Water Management Commission, 2000, Briefing Book: Water Management Framework for AMAs, Groundwater Use Restrictions and Requirements. Phoenix: Arizona Department of Water Resources. _____, 2002, Final Report and Recommendations.,Phoenix: Arizona Department of Water Resources. Hammett, B.A. and J.W. Sicard, 1995, Maps showing Groundwater Conditions in the Santa Cruz and Tucson Active Management Areas Pima, Pinal and Santa Cruz Counties: Arizona Department of Water Resources Open-File 8 Holway, J.M. and K.L. Jacobs, 2006, Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth: in Mays, L., eds., Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth. McGraw-Hill. International Boundary and Water Commission. 1997. Memorandum from S. Tencza to F. Corkhill containing annual sewage inflow and outflow data for the Nogales International Wastewater Treatment Plant. Nogales, Arizona, United States Section. Jacobs, K. L. and J. M. Holway, 2004, Lessons Learned from Twenty Years of Groundwater Management in Arizona, USA. Hydrogeology Journal. 12, No. 1. Megdal, S. and Z. Smith, 2008, Evolution and Evaluation of the Active Management Area Management Plans, Water Resources Research Center, University of Arizona. Megdal, S. and B. Colby, 2004, Arizona’s Water Future: Challenges and Opportunities, 85th Arizona Town Hall Background Report, University of Arizona. Nelson, K., 2007, Groundwater Flow Model of the Santa Cruz Active Management Area along the Effluent-Dominated Santa Cruz River: Santa Cruz and Pima Counties, Arizona, Arizona Department of Water Resources Modeling Report No. 14. Nelson, K. and G. Erwin, 2001, Santa Cruz Active Management Area 1997-2001 Hydrologic Monitoring Report: Arizona Department of Water Resources. 353 Section 8.4 Santa Cruz Active Management Area Arizona Water Atlas Volume 8 Scott, P.S., R.D. MacNish and T. Maddock III. 1996. Effluent recharge to the Upper Santa Cruz River floodplain aquifer, Santa Cruz County, Arizona, Arizona Research Laboratory for Riparian Studies at the University of Arizona, Tucson, Arizona. 75p. Seventy-first Arizona Town Hall. 1997. Ensuring Arizona’s Water Quantity and Quality into the 21st Century. Marshall A. Worden, editor. Phoenix: Arizona Town Hall. Section 8.4 Santa Cruz Active Management Area 354 Arizona Water Atlas Volume 8 355 Section 8.4 Santa Cruz Active Management Area Section 8.5 Tucson AMA 356 Arizona Water Atlas Volume 8 8.5.1 Geography of the Tucson AMA The Tucson AMA is 3,869 square miles in area. Geographic features and principal communities are shown on Figure 8.5-1. The AMA is characterized by mid to high elevation mountains and broad alluvial basins. Vegetation types include Lower Colorado River and Sonoran upland desertscrub, southwestern grassland, interior chaparral, madrean evergreen woodland and small areas of petran montane conifer forest. Riparian vegetation is found along some watercourses, notably Sabino and Romero Creeks and at Arivaca Cienega (See Figure 8.0-10) • Principal geographic features shown on Figure 8.5-1 are: o The Santa Cruz River running south to north in the center. o Pantano Wash, Rillito Creek and Sabino Creek in the east central portion of the AMA and Altar and Brawley Wash in the west. o The Picacho Mountains and Black Mountain on the northern AMA boundary, the Santa Catalina, Rincon, and Santa Rita Mountains on the eastern boundary, the Sierrita and Santa Rita Mountains along the southern boundary, and the Baboquivari, Roskruge, Waterman and Silver Bell Mountains on the western boundary. o Altar Valley and Avra Valley in the western portion of the AMA and, though not specifically indicated, the Santa Cruz River Valley along the Santa Cruz River drainage in the center of the AMA. o The lowest point in the AMA at 1,770 feet, just north of Picacho Peak where Interstate 10 exits the AMA. o The highest point in the AMA at 9,453 feet at Mt. Wrightson in the Santa Rita Mountains. 357 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 358 Arizona Water Atlas Volume 8 8.5.2 Land Ownership in the Tucson AMA Land ownership, including the percentage of ownership by category, for the Tucson AMA is shown in Figure 8.5-2. The principal feature of land ownership in the AMA is the relatively large proportion of State Trust lands. A description of land ownership data sources and methods is found in Volume 1, Appendix A. More detailed information on National Parks, Monuments and Wilderness Areas is found in Section 8.0.4. Land ownership categories are discussed below in the order of largest to smallest percentage in the AMA. State Trust Land • 37.8% of the land is held in trust for public schools and other beneficiaries under the State Trust Land system. • Primary land use is grazing. Private • 31.2% of the land is private. • Land uses include domestic, commercial and agriculture. National Forest • 11.6% of the land is federally owned and managed by the United States Forest Service (USFS) as the Coronado National Forest. • The AMA contains the 7,550-acre Pajarita Wilderness, the 56,770-acre Pusch Ridge Wilderness, the 11,130-acre Rincon Mountain Wilderness and 10,320 acres of the 15,860acre Mt Wrightson Wilderness (See Figure 8.0-13). • Land uses include recreation, resource conservation and grazing. U.S. Bureau of Land Management (BLM) • 6.2% of the land is federally owned and managed by the Tucson Field Office of the Bureau of Land Management. • This AMA includes the 2,740-acre Baboquivari Peak Wilderness and 4,480 acres of the 5,080-acre Coyote Mountain Wilderness. The AMA also includes a portion of the Ironwood National Monument (See Figure 8.0-13) • Land uses include resource conservation, recreation and grazing. Wildlife Refuge • 4.6% of the land is federally owned and managed by U.S. Fish and Wildlife Service as the Buenos Aires National Wildlife Refuge. • Land uses include resource conservation and recreation. Indian Reservation • 4.4% of the land is under tribal ownership as the Tohono O’odham and Pascua Yaqui Indian Reservations. • Land uses include domestic, commercial and agriculture. Section 8.5 Tucson Active Management Area 359 Arizona Water Atlas Volume 8 National Park Service (NPS) • 3.0% of the land is federally owned and managed by the National Park Service as Saguaro National Park. • 68,400 acres of the 83,000-acre Saguaro National Park is designated as the Saguaro Wilderness. • Land uses include resource conservation and recreation. Other (Game and Fish, County and Bureau of Reclamation Lands) • 0.8% of the land is owned and managed by the U.S. Bureau of Reclamation (BOR) and Pima County. • “Other” includes land in the northwestern portion of the AMA managed by BOR for the Central Arizona Project canal and pumping stations as well as regional parks managed by Pima County. • Land uses include water infrastructure and recreation. U.S. Military • 0.4% of the land is federally owned and managed by the U.S. Military as Davis-Monthan Air Force Base. • Primary land use is military activity. 360 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 361 Arizona Water Atlas Volume 8 8.5.3 Climate of the Tucson AMA Climate data from NOAA/NWS Co-op Network, Evaporation Pan and AZMET stations are complied in Table 8.5-1 and the locations are shown on Figure 8.5-3. Figure 8.5-3 also shows precipitation contour data from the Spatial Climate Analysis Service (SCAS) at Oregon State University. The Tucson AMA does not contain SNOTEL /Snowcourse stations. More detailed information on climate is found in Section 8.0.3. A description of the climate data sources and methods is found in Volume 1, Appendix A. NOAA/NWS Co-op Network • Refer to Table 8.5-1A • There are 16 NOAA/NWS Co-op Network stations in the AMA. The average monthly maximum temperature occurs in July and is between 79.4°F and 88.5°F and the average monthly minimum temperature occurs in December or January and is between 45.9°F and 54°F. • The highest seasonal rainfall occurs at all stations in the summer (July-September). For the period of record used, the highest average annual precipitation is 23.41 inches at the Santa Rita Exp Range station and the lowest is 11.38 at the 3SW Cortaro station. Evaporation Pan • Refer to Table 8.5-1B • There are two Evaporation Pan stations in the AMA. Elevation at the stations range from 2,300 feet to 2,435 feet and the corresponding annual average evaporation ranges from 111.1 inches to 103.5 inches. AZMET • Refer to Table 8.5-1C • There are two AZMET stations in the AMA. Elevation at the stations range from 1,972 feet to 2,339 feet and the corresponding annual average evaporation rates are 81.56 inches and 76.92 inches. SCAS Precipitation Data • See Figure 8.5-3 • Additional precipitation data shows average annual rainfall as high as 38 inches on the AMA boundary at Mount Lemmon and as low as eight inches in the northwestern portion of the AMA near Marana. • The Tucson AMA has the widest precipitation range of any of the AMAs in the planning area. Section 8.5 Tucson Active Management Area 362 Arizona Water Atlas Volume 8 Table 8.5-1 Climate Data for the Tucson AMA 1 A. NOAA/NWS Co-op Network: Monthly Average Temperature Range (in F) Station Name Elevation (in feet) Period of Record Used for Averages Max/Month Min/Month Winter Spring Summer Fall Annual Anvil Ranch 2,750 1971-2000 84.5/Jul 49.6/Jan 2.44 0.81 6.62 2.74 12.61 Cortaro 3 SW 2,271 1948-19762 87.9/Jul 50.6/Jan 1.96 0.91 4.66 3.85 11.38 Green Valley 2,940 1988-20062 86.4/Jul 51.4/Dec 2.66 0.72 8.49 3.58 15.45 Helvetia Santa Rita 4,305 1916-1950 79.5/Jul 46.9/Jan 4.44 1.47 10.39 3.42 19.72 Oracle 4,603 2 1893-1949 79.8/Jul 45.9/Jan 5.51 1.55 7.47 4.85 19.38 Ruby 4 NW 3,983 1895-1955 79.4/Jul 47.7/Jan 3.96 1.23 10.76 2.99 18.94 Sabino Canyon 2,640 1971-2000 86.2/Jul 52.9/Dec 3.46 0.75 6.24 3.16 13.61 Sahuarita 2 NW 2,690 1956-19722 84.8/Jul 49/Jan 1.47 0.53 7.87 4.35 12.90 Santa Rita Exp Range 4,300 1971-2000 79.4/Jul 49/Jan 5.17 1.51 11.49 5.24 23.41 Sasabe 6 NNE 3,495 1987-20062 80.4/Jul 46.9/Jan 4.09 0.68 8.62 3.83 17.22 Tucson 17 NW 2,560 1971-2000 87.7/Jul 52.6/Jan 3.15 0.69 5.82 2.92 12.58 Tucson Cp Ave Exp Fm 2,329 1971-2000 86.3/Jul 50.6/Jan 3.15 0.83 5.10 3.32 12.40 Tucson Intl Arpt 2,584 1971-2000 86.5/Jul 51.7/Jan 2.68 0.76 5.82 2.91 12.17 Tucson Magnetic Obsy 2,526 1971-2000 86.4/Jul 50.5/Jan 3.84 0.88 5.83 3.31 13.86 Tucson U of A # 1 2,300 1971-2000 87.7/Jul 52.2/Dec,Jan 2.98 0.68 5.01 2.74 11.41 Tucson U of Arizona 2,435 1971-2000 88.5/Jul 54.0/Jan 2.88 0.81 5.40 2.91 12.00 Average Precipitation (in inches) Source: WRCC, 2005b Notes: Stations with incomplete data not shown Average temperature data from period of record shown; average precipitation data from 1971 - 2000 1 2 B. Evaporation Pan: Station Name Elevation (in feet) Period of Record Used for Averages Avg. Annual Evap (in inches) Tucson Univ of Arizona 2,435 1894-2005 103.51 Tucson University of Arizona #1 2,300 1982-2005 111.07 Station Name Elevation (in feet) Period of Record Average Annual Reference Evaportranspiration, in inches (Number of years to calculate averages) Marana 1,972 1999 - current 81.56 (9) Tucson 2,339 1999 - current 76.92 (9) Source: WRCC, 2005a C. AZMET: Source: Arizona Meteorological Network, 2007 D. SNOTEL/Snowcourse: Station Name Elevation (in feet) Period of Record Average Snowpack, at Beginning of the Month, as Inches Snow Water Content (Number of measurements to calculate average) Jan. Feb. March April May June None 363 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 364 Arizona Water Atlas Volume 8 8.5.4 Surface Water Conditions in the Tucson AMA Streamflow data, including average seasonal flow, annual flow and other information are shown in Table 8.5-2. Flood ALERT equipment in the AMA is shown in Table 8.5-3. Flood ALERT equipment information is current up to October 2005. New flood warning gages are routinely added to the ALERT network so the current number of stations may be greater. Reservoir and stockpond data, including maximum storage or maximum surface area, are shown in Table 8.5-4. The location of streamflow gages identified by USGS number, flood ALERT equipment, USGS runoff contours and large reservoirs are shown on Figure 8.5-4. Descriptions of stream, reservoir and stockpond data sources and methods are found in Volume 1, Appendix A. Streamflow Data • Refer to Table 8.5-2. • Data from 32 stations located at 18 watercourses are shown in the table and on Figure 8.5-4. • Average seasonal flow is highest at most stations in the summer season (July-September), although watercourses originating in the Santa Catalina and Rincon mountains experience peak flows in the winter season (January-March). • The largest annual flow recorded in the AMA is 182,136 acre-feet in 1993 at the Santa Cruz River at Cortaro gage with a contributing drainage area of 3,503 square miles. Flood ALERT Equipment • Refer to Table 8.5-3. • There are 74 ALERT gages in the Tucson AMA. Reservoirs and Stockponds • Refer to Table 8.5-4. • The AMA contains two large reservoirs. The largest, Arivaca, has a maximum storage of 2,915 acre-feet. Both reservoirs are used for recreation. • Surface water is stored or could be stored in 36 small reservoirs. • There are 1,538 registered stockponds in the Tucson AMA. Runoff Contour • Refer to Figure 8.5-4. • Average annual runoff is highest, two inches per year or 106.7 acre-feet per square mile, in the eastern portion of the AMA and decreases to 0.1 inches, or five acre-feet per square mile, in the northwestern portion of the AMA. Section 8.5 Tucson Active Management Area 365 Arizona Water Atlas Volume 8 Table 8.5-2 Streamflow Data for the Tucson AMA Drainage Area (in mi2) Gage Elevation (in feet) Period of Record Average Seasonal Flow (% of annual flow) Annual Flow/Year (in acre-feet) Station Number USGS Station Name 9481770 Santa Cruz near Amado NA 3,040 8/2003-current (real-time) 9482000 Santa Cruz River at Continental 1,682 2,820 5/1940-current (real-time) 23 0 45 32 147 (2001) 9482400 Airport Wash at Tucson 23 2,460 10/1965-9/1981 (discontinued) 6 1 78 16 9482500 Santa Cruz River at Tucson 2,222 2,317 7/1998-current (real-time) 2 2 63 9482950 Railroad Wash at Tucson 2 2,430 10/1975-9/1983 (discontinued) 25 2 9483000 Tucson Arroyo at Vine Ave. 8 2,412 6/1944-9/1981 (discontinued) 14 9483010 High School Wash at Tucson 1 2,415 10/1973-9/1983 (discontinued) 9483100 Tanque Verde Creek near Tucson 43 2,720 9483300 Sabino Creek near Mt Lemmon 3 9484000 Sabino Creek near Tucson 9484200 Mean Maximum 5,651 15,996 116,202 (1983) 51 43 (1973) 164 301 976 (1970) 15 33 1,280 (2001) 4,683 9,780 30,878 (2000) 7 51 22 35 (1981) 132 155 307 (1982) 7 2 65 19 17 (1947) 588 629 1,424 (1971) 36 22 4 56 18 42 (1981) 60 78 157 (1982) 9 10/1959-9/1974 (discontinued) 48 4 20 29 1,775 (1969) 5,430 6,615 14,781 (1965) 14 NA 5/1951-3/1959 (discontinued) 46 23 20 11 86 (1956) 1,296 1,135 2,207 (1952) 7 36 2,720 6/1932-current (real-time) 56 10 21 13 1,233 (2002) 9,994 14,709 40,846 (1993) 17 Bear Creek near Tucson 16 2,670 10/1959-9/1974 (discontinued) 55 4 11 30 1,531 (1961) 2,370 3,507 8,300 (1965) 14 9484500 Tanque Verde Creek at Tucson 219 2,470 6/1940-current (real-time) 68 6 11 15 11 (2002) 8,323 17,050 97,636 (1993) 20 9484590 Davidson Canyon Wash near Vail 51 3,420 2/1968-9/1975 (discontinued) 5 4 86 5 0 (1973) 520 523 1,022 (1970) 6 9484600 Pantano Wash near Vail 457 3,205 1/1959-current (real-time) 21 7 59 14 1,170 (1997) 3,165 4,342 11,418 (1998) 30 9485000 Rincon Creek 45 3,120 10/1952-current (real-time) 59 5 19 17 14 (1956) 3,492 4,746 21,665 (1993) 35 9485390 Atterbury Wash Tributary at Tucson 5 2,710 10/1975-9/1983 (discontinued) 27 3 60 10 41 (1979) 134 153 361 (1982) 7 366 Winter Spring Summer Fall Minimum Median Years of Annual Flow Record No statistics run, less than 3 years of data Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-2 Streamflow Data for the Tucson AMA (cont) Average Seasonal Flow (% of annual flow) Annual Flow/Year (in acre-feet) Gage Elevation (in feet) Period of Record 599 2,569 7/1998-current (real-time) Pantano Wash near Tucson 602 2,494 6/1940-9/1977 (discontinued) 9485550 Arcadia Wash at Tucson 3 2,485 10/1975-9/1983 (discontinued) 35 4 51 10 58 (1977) 9485700 Rillito Creek at Dodge Boulevard 871 2,380 7/1987-current (real-time) 62 4 20 14 9485850 Rillito Creek 892 NA 10/1913-9/1975 (discontinued) 34 1 40 9486055 Rillito Creek at La Cholla Blvd 922 2,260 7/1990-current (real-time) 19 3 9486100 Canada Del Oro near Oracle Junction 42 NA 1/1984-9/1991 (discontinued) 59 9486300 Canada Del Oro near Tucson 250 2,380 10/1965-9/1990 (discontinued) 9486350 Canada Del Oro below Ina Road 255 2,240 9486500 Santa Cruz River at Cortaro 3,503 9486520 Santa Cruz River at Trico Road 9486580 Station Number USGS Station Name 9485450 Pantano Wash at Broadway Blvd. 9485500 Drainage 2 Area (in mi ) Winter Fall Minimum Median Mean Maximum 22 9 (2001) 373 2,410 7,055 (2000) 5 260 252 556 (1982) 7 1,585 (2002) 10,710 19,848 100,553 (1993) 14 25 266 (1924) 6,937 11,825 114,897 (1914) 60 57 21 0 (1997) 4,159 7,207 23,420 (2000) 10 16 11 15 262 (1989) 2,717 3,041 7,983 (1985) 6 6 0 34 59 39 (1968) 610 1,039 5,402 (1967) 12 8/1992-current (real-time) 6 0 80 13 24 (2001) 690 1,285 5,520 (2003) 10 2,100 10/1939-current (real-time) 27 10 39 24 1,706 (1956) 38,655 41,897 182,136 (1993) 53 3,641 1,910 4/1989-current (real-time) 41 8 33 19 8,269 (1991) 28,352 30,931 92,787 (1993) 16 Arivaca Creek at Arivaca 57 3,600 10/1995-4/2002 (discontinued) 23 7 22 48 213 (1997) 520 642 1,505 (2000) 5 9486590 Arivaca Creek near Arivaca NA 3,580 5/2002-current (real-time) 24 5 65 6 37 (2005) 112 103 160 (2003) 3 9486600 Arivaca Wash near Arivaca 78 NA 3/1967-9/1972 (discontinued) 16 4 32 48 320 (1970) 1,099 1,619 3,957 (1971) 4 9486800 Altar Wash near Three Points 463 2,975 11/1966-current (real-time) 2 4 90 4 363 (1995) 2,880 3,826 14,607 (1970) 21 9487000 Brawley Wash near Three Points 776 2,540 12/1990-current (real-time) 2 2 90 7 160 (2002) 2,421 3,828 13,499 (1999) 13 0 Spring 6 Summer Years of Annual Flow Record 71 No statistics run, less than 3 years of data Sources: USGS (NWIS) 2005 & 2008 Notes: NA = Not available Statistics based on Calendar Year Annual Flow statistics based on monthly values Summation of Average Seasonal Flows may not equal 100 due to rounding. Period of record may not equal Year of Record used for annual Flow/Year statistics due to only using years with a 12 month record In Period of Record, current equals November 2008 Seasonal and annual flow data used for statistics was retrieved in 2007 Section 8.5 Tucson Active Management Area 367 Arizona Water Atlas Volume 8 Table 8.5-3 Flood ALERT Equipment in the Tucson AMA Station ID Station Name Station Type Install Date Responsibility 1010 Golder Ranch Precipitation 3/1/1983 Pima Co FCD 1020 Oracle Ranger Station Precipitation 3/1/1983 Pima Co FCD 1040 Dodge Tank Precipitation 3/1/1983 Pima Co FCD 1050 Cherry Spring Precipitation 3/1/1983 Pima Co FCD 1060 Pig Spring Precipitation 3/1/1983 Pima Co FCD 1070 Catalina State Park Precipitation 3/1/1983 Pima Co FCD 1080 Rancho Solano Precip/Stage 3/1/1983 Pima Co FCD 1090 Mt. Lemmon Weather Station 3/1/1983 Pima Co FCD 1100 Golder Ranch Road Bridge Precip/Stage 3/1/1983 Pima Co FCD 1110 Coronado Camp Precipitation NA Pima Co FCD 1130 Samaniego Park Precipitation NA Pima Co FCD 1200 Canyon Del Oro & Ina Precip/Stage 3/1/1992 Pima Co FCD 1230 Oro Valley Public Works Precipitation 10/1/2001 Pima Co FCD 1240 Moore Rd / La Cholla Precipitation 10/1/2001 Pima Co FCD 1250 Pima Wash/Ina Precip/Stage NA Pima Co FCD 1260 Big Wash / RV Blvd (Vistoso) Precip/Stage NA Pima Co FCD 2020 Park Tank Precipitation 12/1/1996 Pima Co FCD 2030 Italian Trap Precipitation 7/1/1985 Pima Co FCD 2040 White Tank Precipitation 6/1/1985 Pima Co FCD 2050 Bellota Ranch Precipitation 6/1/1985 Pima Co FCD 2070 Chiva Tank Precip/Stage 6/1/1986 Pima Co FCD 2080 Alamo Tank Precipitation 6/1/1985 Pima Co FCD 2090 Tanque Verde Guest Ranch Precip/Stage 6/1/1987 Pima Co FCD Swan Rd Precipitation 9/1/2000 Pima Co FCD Precip/Stage 2/1/1988 Pima Co FCD Precip/Stage 7/1/1987 Pima Co FCD 2100 2110 2120 Tanque Verde Rd @ Tanque Verde Wash Tanque Verde @ Sabino Bridge 2150 Whitetail Precipitation 7/1/1985 Pima Co FCD 2160 Sabino Dam Precip/Stage 6/1/1990 Pima Co FCD 2170 Ventana Sunrise Precip/Stage 11/1/1990 Pima Co FCD 2190 El Marah Precipitation 8/1/1994 Pima Co FCD 2200 Agua Caliente Wash @ Tanque Verde Rd Stage 3/1/1993 Pima Co FCD 2210 Catalina Booster Precipitation 2/1/1999 Pima Co FCD 2220 Agua Caliente Park Precipitation 7/1/1994 Pima Co FCD 2230 Camino Rinconada Precipitation 9/1/1994 Pima Co FCD 368 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-3 Flood ALERT Equipment in the Tucson AMA Station ID Station Name Station Type Install Date Responsibility 2240 Molino Canyon Precipitation 9/1/1994 Pima Co FCD 2300 Well D-37 Precipitation 8/1/1994 Pima Co FCD 2310 Well E-23 Precipitation 8/1/1994 Pima Co FCD 2320 Well C-51 Precipitation 3/1/1993 Pima Co FCD 2330 Kolb Booster Precipitation 10/1/1994 Pima Co FCD 2350 Rillito Dodge Precip/Stage 7/1/1987 Pima Co FCD 2360 Rillito La Cholla Precip/Stage 11/1/1994 Pima Co FCD 2370 Alamo Precip/Stage 8/1/1986 Pima Co FCD 2380 Ruthraff Precipitation 9/1/2000 Pima Co FCD 2390 Finger Rock Skyline Precip/Stage NA Pima Co FCD 4100 Manning Camp Weather Station 12/1/1989 Pima Co FCD 4110 Rincon Creek Precip/Stage 6/1/1990 Pima Co FCD 4160 Well E-8 Precipitation 10/1/1994 Pima Co FCD 4180 Pantano Houghton Precipitation 2/1/1993 Pima Co FCD 4220 Rancho del Lago Precipitation 3/1/1993 Pima Co FCD 4250 Pantano Vail Precip/Stage 9/1/1987 Pima Co FCD 4310 Davidson Canyon Precip/Stage 3/1/1993 Pima Co FCD 6020 Ina Road @ Santa Cruz River Precip/Stage 4/1/1998 Pima Co FCD 6040 Santa Cruz River @ Valencia Precip/Stage 3/1/1993 Pima Co FCD 6050 Santa Cruz River @ Continental Precip/Stage 3/1/1993 Pima Co FCD 6080 Tubac Precip/Stage NA Pima Co FCD 6110 Avra Valley Air Park Precip/Stage 3/1/1993 Pima Co FCD 6230 Ajo Detention Basin Precip/Stage NA Pima Co FCD 6240 Country Club/Ajo Precipitation 9/1/2000 Pima Co FCD 6260 Tucson Electric Power Precipitation NA Pima Co FCD 6270 Pima Air Museum Precipitation NA Pima Co FCD 6280 Wilmot Precipitation 10/1/2001 Pima Co FCD 6290 Corona Precipitation 3/1/1993 Pima Co FCD 6310 Keystone Peak Repeater Repeater/Precip 3/1/1993 Pima Co FCD 6320 Tinaja Ranch Weather Station 3/1/1993 Pima Co FCD 6330 Anamax Precipitation 3/1/1993 Pima Co FCD 6350 Elephant Head Precipitation 3/1/1993 Pima Co FCD 6370 Arivaca Precipitation NA Pima Co FCD 6380 Altar Wash near Hwy 286 Precip/Stage NA Pima Co FCD 6390 Florida Canyon Precipitation NA Pima Co FCD Section 8.5 Tucson Active Management Area 369 Arizona Water Atlas Volume 8 Table 8.5-3 Flood ALERT Equipment in the Tucson AMA Station ID Station Name Station Type Install Date Responsibility 6410 Diamond Bell Precipitation 3/1/1993 Pima Co FCD 6420 Brawley Three Points Precip/Stage 3/1/1993 Pima Co FCD 6430 Valahala Precipitation 3/1/1993 Pima Co FCD 6440 Milewide Precip/Stage 3/1/1993 Pima Co FCD 6450 Hilltop Road Precipitation 10/1/2001 Pima Co FCD Source: ADWR 2005a Notes: FCD = Flood Control District NA = Not available 370 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-4 Reservoirs and Stockponds in the Tucson AMA A. Large Reservoirs (500 acre-feet capacity and greater) MAP RESERVOIR/LAKE NAME (Name KEY of dam, if different) 1 Arivaca OWNER/OPERATOR MAXIMUM STORAGE (AF) USE1 JURISDICTION AZ Game and Fish Dept 2,915 R State OWNER/OPERATOR MAXIMUM SURFACE AREA (acres) USE U.S.Fish and Wildlife Service 51 F,R B. Other Large Reservoirs (50 acre surface area or greater) MAP RESERVOIR/LAKE NAME (Name KEY of dam, if different) 2 Aguirre 2 1 JURISDICTION Federal Source: Compilation of databases from ADWR & others C. Small Reservoirs (greater than 15 acre-feet and less than 500 acre-feet capacity) Total number: 8 Total maximum storage: 600 acre-feet D. Other Small Reservoirs (between 5 and 50 acres surface area) 2 Total number: 28 Total surface area: 338 acres E. Stockponds (up to 15 acre-feet capacity) Total number: 1,538 Notes: F = Fish & Wildlife pond, R = Recreation 2 Capacity data is not available to ADWR 1 Section 8.5 Tucson Active Management Area 371 Arizona Water Atlas Volume 8 372 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 373 Arizona Water Atlas Volume 8 8.5.5 Perennial/Intermittent Streams and Springs in the Tucson AMA Major and minor springs with discharge rates and date of measurement, and the total number of springs in the AMA are shown in Table 8.5-5. The locations of major springs and perennial and intermittent streams are shown on Figure 8.5-5. A description of data sources and methods for intermittent and perennial reaches is found in Volume 1, Appendix A. • • • • • • Perennial streams include Romero Canyon, Sabino Canyon, Cienega Creek and Sycamore Canyon. An approximately 9-mile effluent-dependent reach of the Santa Cruz River is perennial due to discharges from the Roger and Ina Road WWTPs. Intermittent streams include stream segments near the eastern AMA boundary and in Santa Cruz County. There are eight major springs with a measured discharge of 10 gallons per minute (gpm) or greater at any time. Springs with measured discharge of 1 to 10 gpm are not mapped but coordinates are given in Table 8.5-5B. There are two minor springs. Listed discharge rates may not be indicative of current conditions. Measurement dates are not available for five springs and the remainder were measured during or prior to 1982. The total number of springs, regardless of discharge, identified by the USGS or ALRIS varies from 162 to 187, depending on the database reference. Section 8.5 Tucson Active Management Area 374 Arizona Water Atlas Volume 8 Table 8.5-5 Springs in the Tucson AMA A. Major Springs (10 gpm or greater): Map Key Name 1 Location1 Latitude Longitude Discharge (in gpm) Date Discharge Measured Agua Caliente 321652 1104348 2502 6/29/1942 2 Fraguita 313206 1112037 112 5/19/1981 3 Spring No 1 313427 1111925 423 NA 4 Bobo Spring 315630 1103637 203 NA 5 South Spring 315643 1103637 193 NA 6 Bear Wallow 322517 1104352 17 6/29/1982 7 La Cebadilla 321442 1104116 >103 NA 8 Mescal 315643 1103622 103 NA Latitude Longitude Discharge (in gpm) Date Discharge Measured Stone 313400 1104648 3 10/6/1941 Horse 321947 1104024 1 11/13/1952 B. Minor Springs (1 to 10 gpm): Location1 Name Source: Compilation of databases from ADWR & others C. Total number of springs, regardless of discharge, identified by USGS (see ALRIS, 2005a and USGS, 2006b): 162-187 Notes: Location datum is NAD 27 2 More recent measurements range from 10-170 gpm but exact date of measurements are unknown 1 3 Data obtained from Pima County NA = Not available at this time 375 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 376 Arizona Water Atlas Volume 8 8.5.6 Groundwater Conditions of the Tucson AMA Major aquifers, well yields, estimated natural recharge, number of index wells and date of last water-level sweep are shown in Table 8.5-6. Figure 8.5-6 shows aquifer flow direction and waterlevel change between 1994-1995 and 2004-2005 for the entire Tucson AMA. Figures 8.5-6A-B show depth to water during 2004-2005 and water-level change between 1994-1995 and 2004-2005 for selected wells by sub-basin. Figure 8.5-7 contains hydrographs for selected wells shown on Figures 8.5-6A-B. Figure 8.5-8 shows well yields in five yield categories. Underground Storage Facilities (USF) and Groundwater Savings Facilities (GSF) are shown on Table 8.5-7 with facility name, facility permit number and type, permittee name, permitted acre-feet per year and water source. Locations of USFs and GSFs are shown on Figure 8.5-9. A description of aquifer data sources and methods as well as well data sources and methods, including water-level changes and well yields are found in Volume 1, Appendix A. Major Aquifers • Refer to Table 8.5-6 and Figure 8.5-6 • The major aquifers are recent stream alluvium and basin fill including the Fort Lowell Formation and the Tinaja Beds. • In the Upper Santa Cruz Sub-basin groundwater flows from the mountains along the eastern AMA boundary toward the center of the AMA then north-northwest. In the Avra Valley Sub-basin groundwater flows from south to north. Well Yields • Refer to Table 8.5-6 and Figure 8.5-8 • As shown on Figure 8.5-8, well yields are generally between 100 and 1,000 gallons per minute (gpm). • One source of well yield information, based on 1,063 wells, indicates that the median well yield is 520 gpm. Natural Recharge • Refer to Table 8.5-6 • Natural recharge in the Tucson AMA is approximately 60,800 acre-feet per year. • Principal sources of natural recharge are groundwater inflow from the south, infiltration of runoff into stream channels, and mountain front recharge. Water Level • Refer to Figure 8.5-6A-B. Water levels are shown for wells measured in 2004-2005. • The Department annually measures 137 index wells in this AMA. Hydrographs for nine of these wells are shown on Figure 8.5-7. • The deepest water level shown is 633 feet in the vicinity of Three Points in the Avra Valley Sub-basin (Figure 8.5-6A), and the shallowest is four feet in the eastern portion of the Upper Santa Cruz Sub-basin (Figure 8.5-7B). Section 8.5 Tucson Active Management Area 377 Arizona Water Atlas Volume 8 Recharge Sites • Refer to Table 8.5-7 and Figure 8.5-9. • As of 2008 there were 10 active USFs and six active GSFs. • Total permitted storage capacity for USFs is 293,000 acre-feet per year and total permitted storage capacity for GSFs is 82,986. Table 8.5-6 Groundwater Data for the Tucson AMA Basin Area, in square miles: 3,866 Name and/or Geologic Units Recent Stream Alluvium Major Aquifer(s): Basin Fill (Fort Lowell Formation) Basin Fill (Tinaja Beds) Well Yields, in gal/min: Estimated Natural Recharge, in acre-feet/year: Range 1-4,249 Median 630 (879 wells measured) Range 2 - 7,977 Median 520 (1,063 wells reported) ADWR GWSI Reported on registration forms for large (> 10-inch) diameter wells (Wells55) ADWR Tucson TMP (ADWR 1999) 60,800 Current Number of Index Wells: 137 Date of Last Water-level Sweep: 2005 (1,065 well measurements) TMP = Third Management Plan GWSI = Groundwater Site Inventory System 378 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 379 Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 380 Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 381 Arizona Water Atlas Volume 8 382 Section 8.5 Tucson Active Management Area DRAFT Arizona Water Atlas Volume 8 Figure 8.5-7 Tucson Active Management Area Hydrographs Showing Depth to Water in Selected Wells Depth To Water In Feet Below Land Surface 425 A 475 1975 B 175 WELL DEPTH: 936 FT. USE: UNUSED 1985 (D-08-11)31BBB 1995 WELL DEPTH: 443 FT. USE: IRRIGATION 2005 (D-11-10)08DDD 225 275 325 1975 C 300 1985 1995 WELL DEPTH: 712 FT. USE: DOMESTIC 2005 (D-15-11)05CCD 350 400 1975 1985 1995 Section 8.5 Tucson Active Management Area 2005 383 Arizona Water Atlas Volume 8 Figure 8.5-7 (cont) Tucson Active Management Area Hydrographs Showing Depth to Water in Selected Wells D Depth To Water In Feet Below Land Surface 150 WELL DEPTH: 500 FT. USE: IRRIGATION 200 1975 300 E 1985 150 1995 WELL DEPTH: 400 FT. USE: STOCK 350 1975 F (D-17-09)20DDA 1985 WELL DEPTH: 1340 FT. USE: MONITOR 2005 D-21-08 27ADA1 1995 2005 (D-14-14)16CCC PZ1 200 250 300 1975 384 1985 1995 2005 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Figure 8.5-7 (cont) Tucson Active Management Area Hydrographs Showing Depth to Water in Selected Wells G WELL DEPTH: 492 FT. USE: PUB. SUP. (D-15-15)06BBB Depth To Water In Feet Below Land Surface 275 325 375 1975 H 500 1985 1995 WELL DEPTH: 759 FT. USE: INSTITUTIONAL 2005 (D-16-16)09DCD2 550 600 1975 I 325 1985 1995 WELL DEPTH: 935 FT. USE: INDUSTRIAL 2005 (D-16-13)34AAB2 375 425 1975 1985 1995 Section 8.5 Tucson Active Management Area 2005 385 Arizona Water Atlas Volume 8 386 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 387 Arizona Water Atlas Volume 8 Table 8.5-7 Recharge Sites in the Tucson AMA A. Underground Storage Facilities FACILITY NAME FACILITY NUMBER PERMITTEE NAME FACILITY TYPE PERMITTED AF/YEAR WATER SOURCE AVRA VALLEY 71-564896.0001 CAWCD CONSTRUCTED 11,000 C CENTRAL AVRA VALLEY STORAGE AND RECOVERY PROJECT (CAVSARP) 71-578806.0001 CITY OF TUCSON/TUCSON WATER CONSTRUCTED 80,000 C LOWER SANTA CRUZ CONSTRUCTED 71-561366.0002 PCFCD/CAWCD CONSTRUCTED 50,000 C LOWER SANTA CRUZ MANAGED 71-591928.0000 CITY OF TUCSON, MARANA, CMID, AVIDD, PIMA COUNTY, ET AL MANAGED 43,000 E MARANA HIGH PLAINS 71-563876.0002 PCFCD/TOWN OF MARANA CONSTRUCTED 600 S,E PIMA MINE ROAD 71-577501.0001 CAWCD CONSTRUCTED 30,000 C ROBSON RANCH QUAIL CREEK 71-581379.0001 ROBSON RANCH QUAIL CREEK CONSTRUCTED 2,240 E SANTA CRUZ MANAGED 71-545944.0001 CITY OF TUCSON/USBOR MANAGED 9,307 E SOUTHERN AVRA VALLEY STORAGE AND RECOVERY PROJECT (SAVSARP) 71-211276.0000 CITY OF TUCSON/TUCSON WATER CONSTRUCTED 60,000 C SWEETWATER 71-520083.0000 CITY OF TUCSON/TUCSON WATER CONSTRUCTED 6,500 E TOWN OF SAHUARITA WWTP 71-595209.0000 TOWN OF SAHUARITA CONSTRUCTED 896 E PERMITEE/FACILITY NAME FACILITY NUMBER PERMITTED AF/YEAR WATER SOURCE BKW / MILEWIDE 72-563502.0001 627 C BKW FARMS 72-538133.0002 16,615 C CORTARO-MARANA IRRIGATION DISTRICT (CMID) 72-538100.0004 20,000 C FARMERS INVESTMENT COMPANY (FICO) 72-584465.0001 22,000 C KAI - AVRA 72-564430.0001 12,513 C KAI FARMS - RED ROCK 72-558092.0002 11,231 C B. Groundwater Savings Facilities Notes: C - CAP E - Effluent S - Surface Water AVIDD - Avra Valley Irrigation and Drainage District CAWCD - Central Arizona Water Conservation District CMID - Cortaro-Marana Irrigation District PCFCD - Pima County Flood Control District USBOR - U.S. Bureau of Reclamation Section 8.5 Tucson Active Management Area 388 Arizona Water Atlas Volume 8 389 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 390 Arizona Water Atlas Volume 8 8.5.7 Water Quality Exceedences and Contamination Sites in the Tucson AMA Sites with parameter concentrations that have equaled or exceeded drinking water standard(s) (DWS), including location and parameter(s) are shown in Table 8.5-8A. Impaired lakes and streams with site type, name, length of impaired reach, area of impaired lake, designated use standard and parameter(s) exceeded is shown in Table 8.5-8B. Figure 8.5-10 shows the location of water quality occurrences keyed to Table 8.5-8. Figure 8.5-11 shows the location of contamination sites in the Tucson AMA. A description of water quality data sources and methods is found in Volume 1, Appendix A. All community water systems are regulated under the Safe Drinking Water Act and treat water supplies to meet drinking water standards. Not all parameters were measured at all sites; selective sampling for particular constituents is common. Well, spring and mine sites that have equaled or exceeded drinking water standards (DWS) • Refer to Table 8.5-8A. • Three hundred and fifty-six sites have parameter concentrations that have equaled or exceeded DWS. • Parameters equaled or exceeded include arsenic, lead, nitrates, fluoride, beryllium, cadmium, organics, mercury, copper, chromium, zinc, total dissolved solids, radionuclides, selenium and nitrates. Lakes and Streams with impaired waters • Refer to Table 8.5-8B. • Water quality standards were equaled or exceeded in three lakes. • Arivaca and Rose Canyon Lakes are part of the ADEQ water quality improvement effort called the Total Maximum Daily Load (TMDL) Program. The final TMDL document has been completed for both. Effluent Dependent Reaches • Refer to Figure 8.5-10 • A portion of the Santa Cruz River in this AMA is effluent dependent. Contamination Sites • Refer to Figure 8.5-11 and Table 8.5-9 • There are 15 Voluntary Remediation Program sites, seven Water Quality Assurance Revolving Fund sites, one active National Priority List site, one Department of Defense site and two Resource Conservation and Remediation Sites. Section 8.5 Tucson Active Management Area 391 Arizona Water Atlas Volume 8 Table 8.5-8 Water Quality Exceedences in the Tucson AMA1 A. Wells, Springs and Mines Location Number of Stations Map Key(s) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38, 40 39 41 41, 43 42 42, 45 43 44 45 46 47 Township Range Section 7 South 9 South 9 South 9 South 9 South 9 South 10 South 10 South 10 South 10 South 10 South 11 South 11 South 10 South 10 South 11 South 11 South 11 South 11 South 11 South 11 South 11 South 11 South 11 South 11 South 11 South 11 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 12 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 13 South 10 East 10 East 10 East 9 East 10 East 10 East 11 East 14 East 14 East 14 East 14 East 14 East 14 East 10 East 10 East 11 East 11 East 10 East 11 East 11 East 11 East 10 East 11 East 9 East 11 East 11 East 11 East 11 East 12 East 13 East 14 East 12 East 13 East 13 East 13 East 11 East 12 East 12 East 10 East 13 East 14 East 11 East 12 East 12 East 12 East 12 East 11 East 13 East 13 East 11 East 13 East 13 East 13 East 13 East 13 East 13 East 13 East 13 East 13 East 13 East 13 East 14 East 14 East 14 East 14 East 1 5 18 24 28 29 15 19 23 27 34 10 11 34 32 18 19 14 20 29 21 24 28 27 30 31 35 2 6 1 7 8 11 15 12 9 11 13 9 13 18 17 21 24 25 26 26 35 6 4 8 9 16 20 21 29 15 23 28 33 34 19 29 28 32 392 1 1 1 2 1 1 1 1 2 1 1 1 1 3 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 2 2 1 2 1 2 3 3 3 1 1 11 3 2 1 1 2 2 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 As, Pb F As, F NO3 As F As Cd Cd Cd Cd Cd, NO3, Pb Pb NO3 Be, NO3 NO3 NO3 NO3, Pb Organics As As NO3 NO3 NO3 NO3 NO3 NO3, Organics NO3 NO3 Be Be, Cd Organics Be Be Be, Cd NO3 F As, F Organics Be Be, Cd NO3 Organics Be Organics Organics Cd, NO3 Be Be Pb Cd, NO3 NO3 Cd Cd, Cr, NO3 NO3 As, Cd, Cr, Hg, NO3, Pb, Se F Organics As, Cd, Cu, Hg, NO3, Pb, Se Hg, NO3 NO3, Pb Organics Be NO3, Organics Be Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-8 Water Quality Exceedences in the Tucson AMA1 A. Wells, Springs and Mines Location Number of Stations Map Key(s) 48 49 50 51 52 53 54 55 56 57 58 59 59, 60 60 61 62 63 64 65 66 67 68 69 70 71 72 73 73,80 74 75 76 77 78 79 80 81 82 Township Range Section 13 South 13 South 13 South 13 South 13 South 14 South 13 South 13 South 14 South 14 South 13 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 13 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 14 South 15 South 15 South 15 South 15 South 15 South 14 South 14 South 14 South 14 South 14 South 15 South 15 South 15 South 15 South 15 South 15 South 15 South 15 South 15 South 15 South 15 South 15 South 15 South 11 East 13 East 14 East 14 East 16 East 13 East 13 East 11 East 11 East 11 East 14 East 14 East 14 East 15 East 15 East 15 East 15 East 14 East 14 East 14 East 14 East 14 East 14 East 14 East 15 East 15 East 16 East 15 East 14 East 14 East 13 East 13 East 13 East 13 East 15 East 15 East 14 East 12 East 14 East 13 East 13 East 13 East 13 East 13 East 13 East 14 East 13 East 13 East 14 East 14 East 15 East 15 East 15 East 15 East 14 East 14 East 14 East 14 East 13 East 13 East 14 East 14 East 15 East 11 East 14 East 29 27 26 34 28 3 26 31 5 8 31 1 2 5 8 17 7 11 12 16 4 5 8 9 4 11 6 32 21 22 11 12 14 23 15 22 20 30 29 34 35 36 1 2 11 7 12 25 30 31 34 35 2 3 2 3 4 9 10 13 18 19 6 15 17 1 2 6 1 1 3 1 3 2 2 1 1 1 4 7 2 8 2 2 3 4 1 1 2 1 1 1 1 1 1 1 2 7 2 1 1 1 1 2 1 2 1 8 7 7 1 11 2 1 2 6 1 4 1 1 5 1 1 1 17 5 2 1 1 3 Section 8.5 Tucson Active Management Area Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 Pb As, Organics NO3 Pb F Pb Pb NO3, Pb Cd, NO3 As As Be Pb, Zn Pb, Zn Cr, Pb, Se Pb, Zn Cd, Organics, Pb, Zn Pb Pb NO3, Pb Cu, Pb Pb NO3 Pb Pb Pb As, TDS Pb Pb Pb NO3 Organics As, NO3, Pb As, F Pb Pb Cd As As, Pb NO3 NO3 Pb As, Organics As, Organics As, Organics Organics As, Organics As F NO3 Cd, Hg, Pb, TDS, Zn Pb Pb Pb, Zn Be Be, Cr As As NO3 As, F, Organics As, F, NO3 As, Organics NO3 Pb As, Organics 393 Arizona Water Atlas Volume 8 Table 8.5-8 Water Quality Exceedences in the Tucson AMA1 A. Wells, Springs and Mines Location Number of Stations Map Key(s) Township Range 83 84 15 South 13 East 15 South 17 East 15 South 14 East 15 South 14 East 85 15 South 14 East 15 South 14 East 86 15 South 16 East 87 15 South 16 East 15 South 13 East 88 15 South 13 East 89 15 South 15 East 90 15 South 10 East 91 15 South 10 East 92 16 South 10 East 15 South 13 East 93 16 South 13 East 16 South 15 East 94 16 South 15 East 15 South 14 East 95 16 South 14 East 95,96 16 South 14 East 16 South 14 East 96 16 South 14 East 16 South 14 East 16 South 14 East 97 16 South 14 East 16 South 14 East 98 17 South 15 East 99 17 South 14 East 100 17 South 14 East 101 17 South 14 East 102 17 South 10 East 103 17 South 14 East 104 17 South 12 East 17 South 13 East 105 17 South 13 East 17 South 14 East 106 17 South 14 East 107 17 South 13 East 108 17 South 14 East 109 17 South 14 East 17 South 13 East 110 17 South 13 East 17 South 13 East 111 17 South 14 East 112 18 South 13 East 18 South 13 East 113 18 South 13 East 18 South 13 East 114 18 South 13 East 115 18 South 15 East 116 18 South 15 East 117 19 South 11 East 118 20 South 8 East Source: Compilation of databases from ADWR & others 394 Section 23 21 13 15 22 23 18 29 26 27 29 35 33 8 35 2 6 7 31 6 7 17 18 20 21 28 29 6 6 2 4 13 9 11 12 13 7 17 19 21 22 24 25 26 19 12 22 23 24 13 22 34 8 35 1 1 2 2 1 4 3 1 1 3 1 1 1 3 1 1 1 1 2 5 3 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 3 1 1 1 2 2 1 1 1 2 2 1 1 1 1 Parameter(s) Concentration has Equaled or Exceeded Drinking Water Standard (DWS)2 As F Pb As, Be As As, Cd, Cr, Pb, Zn Pb As As As As Cd NO3 NO3, TDS As As NO3 NO3 NO3 As, NO3 NO3 NO3 NO3 NO3 NO3 NO3 NO3 Pb NO3, Organics Pb NO3 Rad NO3 NO3 As As F NO3 As NO3 As NO3 As NO3, Organics As, F NO3 Organics As NO3 NO3, Organics F F As As, F Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-8 Water Quality Exceedences in the Tucson AMA 1 B. Lakes and Streams Parameter(s) Exceeding Use Standard2 Map Key Site Type Site Name Length of Impaired Stream Reach (in miles) Area of Impaired Lake (in acres) Designated Use Standard3 a Lake Rose Canyon Lake NA 7.2 A&W, Agl, FBC pH b Lake Lakeside Lake NA 15 FC DO, Ammonia, N, P, Chlorophyll c Lake Arivaca Lake NA 118 FC Hg Notes: 1 Water quality samples collected between 1975 and 2001. Listed TDS exceedences indicate "mineralized water" that contains over 3000 milligrams per liter (mg/l) of TDS and would require special well construction procedures (A.A.C. R12-15-812(B)). The secondary drinking water 2 As = Arsenic Be = Beryllium Cd = Cadmium Cr = Chromium Cu = Copper DO = Dissolved Oxygen F = Fluoride Hg = Mercury N = Nitrogen P = Phosphorus Pb = Lead NO3 = Nitrate/ Nitrite Organics = One or more of several volatile and semi-volatile organic compounds and pesticides Rad = radionuclides Se = Selenium TDS = Total Dissolved Solids Zn = Zinc 3 A&W = Aquatic and Wildlife Agl = Agriculture FBC = Full Body Contact FC = Fish Consumption Section 8.5 Tucson Active Management Area 395 Arizona Water Atlas Volume 8 396 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 397 Arizona Water Atlas Volume 8 Table 8.5-9 Contamination Sites in the Tucson AMA MAP KEY SITE NAME MEDIA AFFECTED AND CONTAMINANT Voluntary Remediation Sites H 35 E. Toole Soil/Benzene, Toluene, Ethyl benzene, and Xylene (BTEX), and Polycyclic aromatic hydrocarbons (PAHs) Groundwater/To be determined J 7500 East Broadway Soil/Tetrachloroethene (PCE) and Trichloroethene (TCE) O Ansell Inc. Groundwater/Chromium - AZ Portland Cement Co. S Former Circle K Store #01046 P HILP Dross T I Los Reales/Southwest Disposal Area Rio Nuevo Landfill Stabilization Project Soil/Benzene, Toluene, Ethyl benzene, and Xylene (BTEX) and Polycyclic aromatic hydrocarbons (PAHs) Soil/Benzene, Toluene, Ethyl benzene, and Xylene (BTEX) and Hydrocarbons Soil/Aluminum dross Soil/Dichloroethene (DCE) Soil/To be determined D SFFP Silvercroft Wash Release Soil & Groundwater/Benzene, Toluene, Ethyl benzene, and Xylene (BTEX) - Silver Creek II Subdivision Soil & Groundwater/Benzene, Toluene, Ethyl benzene, and Xylene (BTEX), Methyl Tertiarybutyl ether (MTBE) and Gasoline additives - Tucson Compressor Station Soil & Groundwater/Chromium K L L L Union Pacific Railroad 22nd St. Yard Union Pacific Railroad 31st Street Union Pacific Railroad 34th Street Union Pacific Railroad 36th Street Soil/Diesel fuel Soil & Groundwater/Diesel fuel Soil & Groundwater/Diesel fuel Soil/Total Petroleum Hydrocarbons (TPH), Benzene, Toluene, Ethyl benzene, and Xylene (BTEX), Polycyclic aromatic hydrocarbons (PAHs) and Benzene Section 8.5 Tucson Active Management Area 398 Arizona Water Atlas Volume 8 Table 8.5-9 Contamination Sites in the Tucson AMA (cont) MAP KEY SITE NAME MEDIA AFFECTED AND CONTAMINANT Water Quality Assurance Revolving Fund (WQARF) Sites Groundwater/Tetrachloroethene (PCE), Trichloroethene (TCE) and Dichloroethene (DCE) E 7th Street and Arizona Avenue G Broadway-Pantano R Los Reales Landfill B Miracle Mile F Park-Euclid Groundwater/Tetrachloroethene (PCE), Trichloroethene (TCE) and Dichloroethene (DCE) A Shannon Road El Camino de Cerro Soil/Lead Groundwater/Tetrachloroethene (PCE), trichloroethene (TCE), Dichloroethene (DCE), Vinyl chloride and Benzene C Silverbell Jail Annex Landfill Groundwater/Tetrachloroethene (PCE), Trichloroethene (TCE), Dichloroethene (DCE) and Vinyl chloride Groundwater/Tetrachloroethene (PCE), Trichloroethene (TCE), and Vinyl chloride Groundwater/Tetrachloroethene (PCE) and Trichloroethene (TCE) Groundwater/Trichloroethene (TCE) and Chromium National Priority List (NPL) Superfund Sites Q Tucson International Airport 1 Area Soil/Polychlorinated biphenyls (PCBs) and Metals Groundwater/Trichloroethene (TCE), Dichloroethene (DCE), Chloroform and Chromium Department of Defense (DOD) Sites N Davis-Monthan Air Force Base 399 Soil/Petroleum hydrocarbons, Benzene, Toluene, Ethyl benzene, and Xylene (BTEX), Methane gas, Volatile Organic Compounds (VOCs) and Metals Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-9 Contamination Sites in the Tucson AMA (cont) MAP INSET KEY SITE NAME MEDIA AFFECTED AND CONTAMINANT Resource Conservation and Remediation Act Sites U Hughes/Raytheon/USAF Groundwater & Soil/Volatile Organic Compounds (VOCs), Metals M Kinder Morgan Groundwater/Petroleum Sources: ADEQ 2002, ADEQ 2006a, ADEQ 2006b Notes: 1 Tucson International Airport Area Site includes: Air Force Plant 44 (AFP-44)/Raytheon Project Area, Airport Property Project Area, Arizona Air National Guard (AANG) 162nd Project Area, Texas Instruments (formerly Burr-Brown) Project Area, Tucson Airport Remediation Project (TARP), West-Cap Project Area and West Plume B Project Area Section 8.5 Tucson Active Management Area 400 Arizona Water Atlas Volume 8 401 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 402 Arizona Water Atlas Volume 8 8.5.8 Cultural Water Demands in the Tucson AMA Cultural water demand data including population, number of wells and the average well pumpage and non-groundwater use by the municipal, industrial and agricultural sectors are shown in Table 8.5-10. Effluent generation including facility ownership, location, population served and not served, volume treated, disposal method and treatment level is shown in Table 8.5-11. Figure 8.512 shows the location of demand centers. A description of cultural water demand data sources and methods is found in Volume 1, Appendix A. More detailed information on cultural water demands is found in Section 8.0.7. Cultural Water Demands • Refer to Table 8.5-10 and Figure 8.5-12. • Population increased from 510,609 in 1980 to 835,504 in 2000 and projections suggest an increase to almost 1.5 million by 2030. • Industrial water demand has and continues to be met almost exclusively by groundwater supplies. The major industrial users in the AMA are metal mines. In 2005 metal mines accounted for approximately 57% of the AMA’s total industrial water demand. • Municipal water demand is the major demand sector and is steadily growing, however; much of that growth is being offset with non-groundwater sources. The 1991-1995 average annual non-groundwater use in the municipal sector reflects direct delivery of CAP water. The 2001-2005 non-groundwater average annual use reflects CAP use through recharge and recovery. Effluent is also used to meet municipal demand. • Agricultural demand accounted for approximately 32% of the water demand in the AMA in 2001-2005. • As of 2005 there were 7,145 registered wells with a pumping capacity of less than or equal to 35 gpm and 4,848 wells with a pumping capacity of more than 35 gpm. Effluent Generation • Refer to Table 8.5-11. • 24 wastewater treatment facilities were identified in the AMA. • A variety of effluent disposal methods are used in the AMA, with the majority of effluent discharged into the Santa Cruz River, stored at permitted recharge projects and used for golf course irrigation. • More than 74,700 acre-feet of effluent is treated/generated annually in the AMA. Section 8.5 Tucson Active Management Area 403 Arizona Water Atlas Volume 8 1 Table 8.5-10 Cultural Water Demand in the Tucson AMA Year Average Annual Demand (in acre-feet)3 Number of Registered Estimated Water Supply Wells Drilled and Projected Well Pumpage Non-Groundwater 4 Population 2 Q < 35 gpm Q > 35 gpm Municipal Industrial Agricultural5 Municipal Industrial Agricultural5 1971 1972 1973 1974 1975 1976 1977 1978 1979 510,609 1980 523,207 1981 535,831 1982 548,480 1983 561,159 1984 573,864 1985 600,088 1986 627,433 1987 635,604 1988 646,831 1989 1990 654,576 662,251 1991 682,652 1992 702,541 1993 736,539 1994 766,720 1995 770,458 1996 801,652 1997 823,022 1998 832,130 1999 835,504 2000 856,239 2001 877,518 2002 902,098 2003 927,890 2004 952,670 2005 1,059,194 2010 1,285,487 2020 1,399,733 2025 1,488,999 2030 WELL TOTALS: 6 2,364 409,000 <1,000 329,000 <1,000 Data Source 6 1,527 7 714 253 264,000 <1,000 816 621 271,700 6,700 663 876 120,200 60,500 85,000 20,100 60 ADWR (1994a) 5,700 ADWR (2009) 1,065 944 155,500 62,400 82,300 9,100 100 24,940 1,523 627 124,100 51,400 76,400 56,600 1,000 32,100 7,145 4,848 Notes: Does not include evaporation losses from stockponds and reservoirs. 2 Population estimates (1985-2005) are derived from a combination of annual report data submitted by large and small providers (as available) and estimated exempt well population. The years 1990 and 2000 are census data. Projections are derived from Arizona Department of Commerce and council of government projection data 3 Includes Indian Demand 4 Non-Groundwater supplies may include surface water, CAP, effluent, spill water or tail water. 5 Agricultural demand does not include small exempt use after 1993. 6 Includes all wells through 1980. 7 Water demand from 1971-1985 includes demand from the Santa Cruz AMA. 1 404 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-11 Effluent Generation in the Tucson AMA Facility Name Ownership City/Location Served Population Served Volume Treated/Generated (acre-feet) Disposal Method Water course Discharged Golf Wildlife Evaporation Irrigation to Another Pond Course Area Facility Infiltration Basin Industrial Reuse Other Current Treatment Population Level Not Served Year of Record Adonis Mobile Home Park Adonis MHP HOA Marana NA NA NA NA NA NA Arizona-Sonoran Desert Museum WWTF Pima County Tucson NA NA NA NA NA NA ASPC - Tucson WWTF Arizona Department of Corrections Tucson 2,086 504 Secondary 36 2004 Advanced Treatment I with Nutrient Removal NA 2004 Avra Valley WWTF Pima County Avra Valley 10,600 1,120 Biosphere 2 Center University of Arizona Oracle NA NA Corona De Tucson WWTF Pima County Corona De Tucson 765 72 Green Valley WWTF Pima County Green Valley 18,000 1,904 X X X X NA X X Ina Road WPCF Pima County Tucson 217,888 34,723 Marana Community Correctional Facility Management Training Corporation Marana NA NA Marana High School Marana Unified School District Marana NA NA Marana WWTF Pima County Marana 2,600 56 Milagro Subdivision Milagro HOA Tucson 50 NA X Mt. Lemmon WWTP Pima County Summerhaven NA 2 X Pima County Tucson Pima County Fair Grounds Pinal Air Park Evergreen International Aviation Evergreen Air Center NA NA NA NA Randolph Park WRF Pima County Tucson 30,000 3,360 Red Rock Village WWTF NA Red Rock NA NA Rillito Vista WWTF Pima County Tucson 156 11 Roger Rd WWTP City of Tucson Tucson 277,000 32,483 Saddlebrooke WWTF Saddlebrooke Utility Company Saddlebrooke 4,625 513 Sahuarita High School Wetlands Sahuarita School District Sahuarita NA NA Sahuarita WWTF Pima County Sahuarita 2,380 NA U of A Science & Tech Park University of Arizona Tucson NA NA U.S.F.S. Palisades Ranger Station United States Forest Service Tucson Total NA NA 566,150 74,748 X P P X X P NA NA X X X X NA 2004 NA NA NA NA NA NA Secondary 5,000 2004 NA NA NA NA NA NA NA Advanced Treatment I with Nutrient Removal NA 2004 NA NA NA X NA NA 2002 P Advanced Treatment I NA 2004 Tertiery NA 2,008 NA NA NA Treatment 1 with Nutrient Removal NA 2,005 NA NA NA NA NA NA X X P X X 2004 NA NA X NA NA X X Secondary Advanced Treatment I with Nutrient Removal NA X X NA 2003 NA X X NA NA Secondary NA P NA Secondary Sources: Clean Water Needs Survey (CWNS) 2004 and 2006 Data, The Pima Effluent Generation and Utilization Report (2004), Pima Association of Government's (PAG's) Section 208 Areawide Water Quality Management Plan (2006), ADEQ 2005a Notes: P=Permitted Underground Recharge Facility NA=not available WWTF=Wastewater Treatment Facility WPCF=Water Pollution Control Facility WWTP=Wastewater Treatment Plant WRF=Wastewater Reclamation Facility Section 8.5 Tucson Active Management Area 405 Arizona Water Atlas Volume 8 406 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 407 Arizona Water Atlas Volume 8 8.5.9 Assured Water Supply Determinations in the Tucson AMA Assured water supply determination information including the subdivision name, location, number of lots, date of determination, subdivision water provider and Central Arizona Groundwater Replenishment District (CAGRD) membership status are shown in Table 8.5-12A, B and C for certificates, water adequacy reports and analysis of assured water supply. Designated water provider information is shown in Table 8.5-12D with date of application, date the designation was issued and projected or annual estimated demand. Figure 8.5-13 shows the general locations of subdivisions (to the section level) and designated provider water service areas keyed to the Table. A description of the Assured Water Supply Program is found Section 8.0.5 and in Volume 1, Appendix C. Assured Water Supply determination data sources and methods are found in Volume 1, Appendix A. • • • • • Lot count totals may over estimate actual platted lots due to database accounting, changes in file numbering methodology and subsequent development plan changes. As of February 2008, 336 subdivisions with a total of 137,938 lots have been reviewed for an assured water supply determination. 93% of the determinations were in Pima County. 44,366 lots in 230 subdivisions received a Certificate of Assured Water Supply, 11,467 lots in 90 subdivisions received Water Adequacy Reports (pre-AMA determinations) and 82,105 lots in 16 developments received an Analyses of Assured Water Supply. Of the 230 subdivisions with a Certificate of Assured Water Supply, 73 are CAGRD members. There are nine designated providers with a total projected or estimated annual water use of 231,706 acre-feet. Section 8.5 Tucson Active Management Area 408 Arizona Water Atlas Volume 8 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA1 A. Certificates of Assured Water Supply Location Map Key 2 4 5 Subdivision Name SaddleBrooke Ranch County Pinal Township Range Section 9 South 14 East 32 No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member 5,619 27-400761 02/06/03 Arizona Water Co SaddleBrooke Y N Coronado Ridge Pinal 9 South 15 East 33 & 34 60 27-300280 12/10/97 Arizona Water Company Oracle System Red Rock Village IIA (formerly known as 'Red Rock Village 1 Model Complex') Pinal 10 South 10 East 8 20 27-402062 09/11/06 Red Rock Utilities Y Red Rock Village 1 Pinal 10 South 10 East 8 453 27-402063 09/11/06 Red Rock Utilities Y Red Rock Village 2 Pinal 10 South 10 East 5, 8 & 9 552 27-402064 03/09/07 Red Rock Utilities Y Red Rock Village IV Pinal 10 South 10 East 8 105 27-700237 07/20/07 Red Rock Utilities Y Red Rock Village III Pinal 10 South 10 East 8 87 27-700362 01/14/08 Red Rock Utilities Y Red Rock Village V Pinal 10 South 10 East 8 116 27-700363 01/07/08 Red Rock Utilities Y Desert Living Estates Pinal 10 South 11 East 30 60 27-401392 12/09/05 NA N Saddlebrooke #14, 15, 17 expansion Pinal 10 South 14 East 23 452 27-200300 07/18/94 Lago del Oro Water Company N SaddleBrooke Unit 51, Lots 1-7 Pinal 10 South 14 East 23 7 27-401753 10/07/05 Lago del Oro Water Company Y Eagle Crest Ranch Pinal 10 South 14 East 32 975 27-200109 05/25/90 NA N Saddlebrooke Units 46-50 Pinal 10 South 14 East 33 770 27-400552 11/15/01 Lago del Oro Water Company N SaddleBrooke Unit 48 A Pinal 10 South 14 East 33 5 27-401043 03/24/04 Lago del Oro Water Company N 12 Saddlebrooke Units 42-45 Pima 10 South 14 East 13, 23-25 525 27-400478 06/03/02 NA Y 13 Saddlebrooke #5-20 Pinal 10 South 14 East 22, 23, 26, 27 & 35 2095 27-200305 05/09/89 Lago del Oro Water Company N 14 Saddlebrooke #4 Pinal 10 South 14 East 23, 26 & 27 383 27-200304 02/02/89 Lago del Oro Water Company N 15 Saddlebrooke Unit 21 Pinal 10 South 14 East 25 & 26 215 27-400413 10/24/01 NA Y Saddlebrooke #1 Pinal 10 South 14 East 26 & 27 165 27-200299 02/27/87 Lago del Oro Water Company N Saddlebrooke #2 Pinal 10 South 14 East 26 & 27 130 27-200301 10/22/87 Lago del Oro Water Company N Saddlebrooke #3 Pinal 10 South 14 East 26 & 27 221 27-200303 03/09/88 Lago del Oro Water Company N 17 Saddlebrooke #22-36, Phase II Pinal 10 South 14 East 27, 28, 33 & 34 1647 27-200302 04/27/95 Lago del Oro Water Company N 20 Coronado Reserve Lots 1-260 (excluding lots 86-88, 90-95, 97-105) 09/23/05 Arizona Water Company Oracle System Y Y 7 8 9 10 11 16 22 Pinal 10 South 15 East 2&3 242 27-401640 Copper Hill Estates Pinal 10 South 15 East 5&6 61 27-401208 10/19/04 Arizona Water Company Oracle System White Farms Pima 11 South 11 East 18 NA 27-200405 11/15/84 NA N White Farms Pima 11 South 11 East 18 235 27-200406 03/11/86 NA N La Mirage Estates Pima 11 South 11 East 26 510 27-200162 11/16/94 NA N 23 24 Tucnix Industrial Park Pima 11 South 11 East 22 6 27-200360 12/02/81 NA N Unnamed property, Pima Co. Pima 11 South 11 East 27 4 27-200368 04/19/84 NA N 26 Marana Gardens Pima 11 South 11 East 28 46 27-200193 05/25/89 NA N 27 The Estate Lots at Tortolita Preserve by Garden Es Pima 11 South 12 East 26 26 27-400982 01/08/04 Tortollita Water Co. N 28 Mountain Vista Estates Pima 11 South 14 East 2 38 27-200202 08/04/82 Lago del Oro Water Company N 25 29 Sanmaniego Estates Pima 11 South 14 East 3 20 27-299998 10/22/81 Lago del Oro Water Company Y Twin Lakes Lots 1-35 Pima 11 South 14 East 9 35 27-200361 05/05/81 Lago del Oro Water Company N Twin Lakes Lots 114-144 Pima 11 South 14 East 9 31 27-200362 08/05/94 Lago del Oro Water Company N Twin Lakes Lots 149-162 Pima 11 South 14 East 9 14 27-200363 11/17/82 Lago del Oro Water Company N Twin Lakes Lots 163-193 Pima 11 South 14 East 9 33 27-200364 04/21/89 Lago del Oro Water Company N Twin Lakes Lots 194-231 Pima 11 South 14 East 9 38 27-200365 03/09/90 Lago del Oro Water Company N Twin Lakes Lots 232-254 Pima 11 South 14 East 9 23 27-300307 07/14/97 Lago del Oro Water Company N 31 Garden of Eden, Lots 1-18 Pima 11 South 14 East 10 18 27-300044 12/22/95 Lago del Oro Water Company N 32 Chaparral Estates #2 Pima 11 South 14 East 15 2 27-200050 11/28/80 Los Cerros Water Co N 30 409 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member 33 Black Horse Pima 11 South 14 East 15 & 16 414 27-400705 11/05/02 Los Cerros Water Co N 34 Arcadia, Lots 1-40 (Phase I) & Lots 41-190 (Phase II) and Common Areas A & B Pima 11 South 14 East 3 & 10 190 27-402109 11/17/06 Lago del Oro Water Company Y 35 Avra Vista 1-64 Pima 12 South 10 East 15 64 27-401073 12/15/03 Metropolitan Domestic Water Improvement District Y Tierra Linda Pima 12 South 11 East 29 44 27-200350 06/16/95 NA N 36 Tierra Linda Nueva Pima 12 South 11 East 29 199 27-401063 09/09/04 NA Y 37 Rancho Del Rio Estates, Lots 1-185 and Common Areas A & B Pima 12 South 11 East 33 185 27-401968 07/05/06 Avra Water Co-op Y 38 Vista del Sol, Lots 1-15 and Common Area "A" Pima 12 South 11 East 34 15 27-402258 02/08/08 Avra Water Co-op Y 42 Shannon Acres Pima 12 South 13 East 4 8 27-200313 05/11/95 NA N Tucson Avra West Lots 1-168 Pima 13 South 10 East 15 164 27-300234 03/12/97 Anway Manville LLL Water Co N Tucson Avra West II, Lots 1-8 Pima 13 South 10 East 15 8 27-400470 06/28/01 Anway Manville LLL Water Co N Tucson Avra West III, Lots 1-71 & Block A Pima 13 South 10 East 15 71 27-400981 10/14/03 Anway Manville LLL Water Co N 57 Rancho Tierra Blanca Pima 13 South 10 East 21 27-200283 06/11/86 NA N 58 Desert View Estates Pima 13 South 11 East 1 27-200102 07/24/84 Avra Water Co-op N 59 Picture Rocks West Pima 13 South 11 East 3 65 27-200229 11/22/94 Avra Water Co-op N 60 Howrey Pima 13 South 11 East 8 6 27-200146 04/29/85 NA N 61 Montanas Del Sol, Lots 1-48 and Common Areas "A" & "B" Pima 13 South 11 East 1 & 12 48 27-700264 12/06/07 Avra Water Co-op Y 64 Sweetwater Canyon, Lots 1-46 and Common Areas A & B Pima 13 South 12 East 25 46 27-500012 04/26/07 Lazy C Water Service Y Brookwood Pima 13 South 13 East 22 36 27-200014 04/07/91 Flowing Wells Irrigation District N Trails West Resort Pima 13 South 13 East 22 117 27-200354 11/17/82 Flowing Wells Irrigation District N Westbrooke Pima 13 South 13 East 22 61 27-200400 05/23/94 Flowing Wells Irrigation District N 56 71 72 73 75 Sagewood Pima 13 South 13 East 22 58 27-400348 10/05/00 Flowing Wells Irrigation District N Roger Square Townhomes Pima 13 South 13 East 26 10 27-300366 01/16/98 Flowing Wells Irrigation District N Kilburn Terrace Condominiums, Units 1101, 1102, 1103, 2101, 2102, 2103 & 2104 Pima 13 South 13 East 27 7 27-402050 06/23/06 Flowing Wells Irrigation District Y Kilburn Place Condominiums, Units 1101, 1102, 1103, 2101, 2102, 2103 & 2104 Pima 13 South 13 East 27 7 27-402057 06/23/06 Flowing Wells Irrigation District Y Kilburn Manor Condominiums, Units 1101,1102,1103,2101,2102,2103 and 2104 Pima 13 South 13 East 27 7 27-402118 10/04/06 Flowing Wells Irrigation District Y Kilburn View Condominiums, Units 1101,1102,1103,2101,2102,2103 and 2104 Pima 13 South 13 East 27 7 27-402119 09/21/06 Flowing Wells Irrigation District Y Shamrock Center Block 1, Lots 1-16 and Common Areas A & B Pima 13 South 13 East 15 & 22 16 27-401639 01/30/06 Flowing Wells Irrigation District Y Canyon Ranch Hacienda Lifeshar Pima 13 South 15 East 21 8 27-200021 12/04/84 Hub Water Company N 76 77 Casa del Oso Pima 13 South 15 East 21 6 27-200041 10/10/89 Hub Water Company N Villas at Sabino Canyon, The Pima 13 South 15 East 22 122 27-200383 06/12/87 NA N Hacienda del Joven Estates Pima 13 South 15 East 28 40 27-200135 12/08/88 Hub Water Company N Canyon Ranch Estates II Pima 13 South 15 East 28 20 27-400846 10/15/09 Hub Water Company N 79 Sabino Creek Pima 13 South 15 East 29 98 27-200296 06/18/92 Hub Water Company N Mountain Cove Estates Pima 13 South 15 East 29 18 27-300016 11/10/95 Hub Water Company N Riverbend-Sabino Canyon Road Pima 13 South 15 East 30 97 27-200290 12/07/81 Hub Water Company N Desert Anchors Pima 13 South 15 East 32 27-200090 11/24/80 NA N Estates at River Ranch Pima 13 South 15 East 32 78 27-200116 10/17/88 NA N 80 81 Villa del Rio Pima 13 South 15 East 32 27-200377 02/06/78 NA N Villages at Rancho del Rio Pima 13 South 15 East 32 65 27-200381 06/13/85 NA N Villages at Rancho del Rio,#2 Pima 13 South 15 East 32 68 27-200382 05/08/87 NA N Vista del Rio Pima 13 South 15 East 32 10 27-200390 12/15/80 NA N 82 Section 8.5 Tucson Active Management Area 410 Arizona Water Atlas Volume 8 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Vista del Rio Pima 13 South 15 East 32 73 27-200391 03/24/94 NA N Vista del Rio #2 Pima 13 South 15 East 32 16 27-200392 12/23/80 NA N Sabino Terrace #2 Pima 13 South 15 East 20 & 21 290 27-200297 01/10/83 Hub Water Company N 82 83 84 Sabino Vista Hills #4 Pima 13 South 15 East 21 & 28 18 27-200298 08/21/86 Hub Water Company N Canyon Ranch Casitas Pima 13 South 15 East 21, 22 & 28 56 27-200019 09/26/95 Hub Water Company N Canyon Ranch Estates Pima 13 South 15 East 21, 22 & 28 166 27-200020 02/11/82 Hub Water Company N Ranchita Avra Pima 14 South 11 East 9 39 27-200274 10/10/80 NA N Ranchita Avra Pima 14 South 11 East 9 60 27-200275 03/11/87 NA N 90 Copper Crest Pima 14 South 12 East 28 126 27-200078 01/02/87 NA N 91 Millstone Manor #6 Pima 14 South 12 East 30 27-200199 05/08/85 NA N R.B. Rumney Ranch Pima 14 South 12 East 33 11 27-200271 05/08/85 NA N San Joaquin Oeste Pima 14 South 12 East 33 48 27-200308 06/18/82 NA N San Joaquin Oeste Pima 14 South 12 East 33 78 27-200309 01/18/86 NA N Tierra Bonita #2 Pima 14 South 12 East 34 66 27-200345 01/10/84 NA N Tierra Bonita #3 Pima 14 South 12 East 34 38 27-200346 07/05/83 NA N Kolb Executive Park Condos Pima 14 South 15 East 5 118 27-200158 03/20/81 NA N Tanque Verde Estates Pima 14 South 15 East 5 331 27-200342 10/17/80 NA N 85 88 92 93 94 96 98 Halcyon Highlands Estates Pima 14 South 15 East 15 13 27-200136 09/08/83 Halcyon Acres Annex No. 2 N Presidio Trail, Lots 1-50 & Common Areas "A-1" - "A-5" & "B-1" Pima 14 South 15 East 15 50 27-402074 10/02/06 Halcyon Acres Annex No. 2 Y Camino Seco Village, Lots 1-35 & Common Areas A & B Pima 14 South 15 East 15 35 27-402098 08/17/06 Halcyon Acres Annex No. 2 Y Voyager Homes Phase "C", Lots 158-235 Pima 14 South 15 East 29 78 27-300359 02/04/98 Voyager Water Company N 36 27-200277 08/25/80 NA N 27-200157 11/10/80 NA N 99 Rancho La Linda Pima 14 South 15 East 36 100 Kolb Executive Park Pima 14 South 15 East 5&6 101 Forty Niners Country Club Estates II,The Pima 14 South 16 East 5 17 27-300263 06/03/97 Forty-Niner Water Company N 102 Robles Junction, 11 Parcels Pima 15 South 10 East 20, 21, 28 & 29 11 27-200291 08/12/83 NA N Eagle Point Estates Pima 15 South 12 East 8 273 27-400664 04/17/02 Diablo Village Water Co Y 103 Sonoran Ranch Estates II, Lots 1-578 and Common Areas A and B Pima 15 South 12 East 8 578 27-401525 02/10/05 Diablo Village Water Co Y Sonoran Ranch Estates II, Lots 1-572 & Common Areas A & B Pima 15 South 12 East 8 572 27-401812 10/06/05 Diablo Village Water Co Y Tucson Mountain Ranch, Lots 1-50 Pima 15 South 12 East 9 50 27-400332 10/05/00 Diablo Village Water Co N Tucson Mountain Ranch, Lots 51-182 Pima 15 South 12 East 9 132 27-400442 03/03/01 Diablo Village Water Co N Tucson Mountain Ranch Phase 1 Pima 15 South 12 East 9 50 27-400503 06/21/01 Diablo Village Water Co N Caddis Haley Estates Pima 15 South 12 East 16 161 27-401269 08/30/04 Diablo Village Water Co Y Diablo Village Estates Townhouses, Lots 159 Pima 15 South 12 East 16 59 27-401520 02/22/05 Diablo Village Water Co Y Diablo Village Estates, Lots 115-178, 209222 & 254-511 Pima 15 South 12 East 16 336 27-401606 08/15/05 Diablo Village Water Co Y Sonoran Ranch Estates Pima 15 South 12 East 17 214 27-400971 12/10/03 Diablo Village Water Co N 104 105 106 Sonoran Ranch Villages Pima 15 South 12 East 17 110 27-400994 12/10/03 Diablo Village Water Co N Drexel Manor Pima 15 South 14 East 4 140 27-400841 04/16/03 Ray Water Company Y Drexel Manor Pima 15 South 14 East 4 137 27-401181 05/19/04 Ray Water Company Y Silver Moon Estates Pima 15 South 14 East 10 40 27-300163 05/26/98 Ray Water Company N Desert Vista Estates Pima 15 South 14 East 10 157 27-300361 12/01/97 Ray Water Company N Silvermoon Estates Pima 15 South 14 East 10 40 27-400467 03/02/01 Ray Water Company N Desert Vista Terrace Pima 15 South 14 East 10 183 27-400777 11/04/02 Ray Water Company N 108 109 411 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA1 A. Certificates of Assured Water Supply Location Map Key 109 Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Desert Point Estates, Lots 1-76 Pima 15 South 14 East 10 76 27-401319 12/02/04 Ray Water Company Y Cantera, an RCP Subdivision, Lots 1-143; Common Areas A, B & C; Blocks A & B Pima 15 South 14 East 10 143 27-401727 11/15/05 Ray Water Company Y Desert Point 2, Lots 1 - 45 and Common Areas "A" & "B" Pima 15 South 14 East 10 45 27-402265 03/30/07 Ray Water Company Y Desert View Plaza, Lots 1-7 Pima 15 South 14 East 10 7 27-500022 05/30/07 Ray Water Company Y Voyager Homes Pima 15 South 15 East 29 85 27-200393 04/03/95 Voyager Water Company N 110 Voyager Homes Phase "B", Lots 86-157 Pima 15 South 15 East 29 72 27-300185 09/22/96 Voyager Water Company N Voyager Homes Phase "D", Lots 232-289 Pima 15 South 15 East 29 58 27-400491 04/10/01 Voyager Water Company N 111 Sycamore Park, Villages 1 thru 7 C.A. "A", "B", "C" & "D" Pima 15 South 15 East 32 733 27-401414 03/03/05 Voyager Water Company Y 112 Thunderhead Ranch Pima 15 South 16 East 8 116 27-200344 07/10/80 NA N 115 Bluff Creek, Lots 1-40 and Common Areas A and B Pima 15 South 16 East 24 40 27-500011 09/20/07 Saguaro Water Co. Y 116 The Estates at Old Spanish Trail Pima 15 South 16 East 26 116 27-401189 10/07/04 Saguaro Water Co. Y Spanish Hills Pima 15 South 16 East 27 63 27-200316 02/02/82 NA N Spanish Trail Estates Pima 15 South 16 East 27 121 27-400871 06/09/03 Saguaro Water Co. Y Jacaranda Village at Tewa Trail Pima 15 South 16 East 33 36 27-401179 08/30/04 Saguaro Water Co. Y Rincon Trails Pima 15 South 16 East 34 505 27-400492 07/02/02 Saguaro Water Co. N Whisper Ranch Pima 15 South 16 East 34 46 27-400803 12/17/02 Saguaro Water Co. Y Rancho Loma Alta Pima 15 South 16 East 34 24 27-401121 03/24/04 Saguaro Water Co. N 120 Mountain Creek Ranch Pima 15 South 16 East 36 64 27-400201 07/16/01 NA N 121 Coyote Creek Pima 15 South 16 East 23, 25 & 26 395 27-400095 12/10/99 Saguaro Water Co. N 2737 27-200292 06/06/95 NA N 117 118 119 122 Rocking K Ranch Pima 15 South 16 East 8-10, 15-17, 21, 22 & 27 124 Casitas de Valle #2 Pima 16 South 14 East 5 34 27-200043 08/23/90 NA N 127 Rincon Desert Estates Pima 16 South 16 East 22 & 27 45 27-200288 06/15/94 Saguaro Water Co. N Rancho del Lago Pima 16 South 16 East 3, 4, 8-10, 15 & 16 234 27-200285 10/21/83 NA N Vail Valley Ranch Pima 16 South 16 East 3, 4, 8, 10, 15 & 16 4945 27-200370 07/23/90 NA N Rancho Buena Vista Pima 17 South 13 East 22 29 27-200276 08/09/99 Las Quintas Serenas Water Company N 07/25/89 Las Quintas Serenas Water Company N N 128 129 La Canada Norte (1989) Pima 17 South 13 East 26 50 27-200160 La Canada Norte (1994) Pima 17 South 13 East 26 69 27-200161 09/16/94 Las Quintas Serenas Water Company Mesquite Heights (1997) Pima 17 South 13 East 26 42 27-200197 03/04/97 Las Quintas Serenas Water Company N N 130 131 Santa Cruz Meadows Lots 1-239 Pima 17 South 13 East 26 239 27-200311 09/16/94 Las Quintas Serenas Water Company Valle Verde del Norte Pima 17 South 13 East 26 5 27-200372 08/15/84 Valle Verde Water Co. N Valle del Sol Pima 17 South 13 East 25 19 27-200373 09/29/80 NA N N Colonias La Canada Lots 1-82 Pima 17 South 13 East 27 82 27-200072 10/14/93 Las Quintas Serenas Water Company Colonias La Canada, Lots 83-219 Pima 17 South 13 East 27 137 27-300386 04/03/98 Las Quintas Serenas Water Company N 10/22/03 Las Quintas Serenas Water Company N 09/10/97 Community Water Company of Green Valley N N Estates at La Canada Norte, Lots 1-41 La Joya Verde II Pima Pima 17 South 17 South 13 East 13 East 27 35 41 105 27-401012 27-300311 Santo Tomas Villas Pima 17 South 13 East 35 355 27-400369 01/30/01 Community Water Company of Green Valley La Joya Verde III, Lots 130-226 Pima 17 South 13 East 35 97 27-400885 07/15/03 Community Water Company of Green Valley Y 07/15/03 Community Water Company of Green Valley Y 07/15/03 Community Water Company of Green Valley Y Y N 132 La Joya Verde III, Lots 1-65 La Joya Verde III, Lots 66-129 134 Pima Pima 17 South 17 South 13 East 13 East 35 35 65 64 27-400886 27-400887 A Resubdivision of Block B of La Joya Verde, Lots 1-84 & Common Areas A & B Pima 17 South 13 East 35 84 27-401602 07/25/05 Community Water Company of Green Valley Curly Horn Ranches (1985) Pima 17 South 13 East 17 & 18 9 27-200085 06/16/85 NA Section 8.5 Tucson Active Management Area 412 Arizona Water Atlas Volume 8 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA1 A. Certificates of Assured Water Supply Location Map Key 135 136 Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member Los Arroyos Del Este Pima 17 South 13 East 25 & 26 503 27-400808 02/14/03 Community Water Company of Green Valley Y Los Arroyos Resubdivision, Lots 1-145 & 150-167 & Common Areas "A1-A3" & "B1B2" Pima 17 South 13 East 26 163 27-401975 05/30/06 Community Water Company of Green Valley Y Santa Rita Villas Lots 1-218, Block 1, Common Areas A, B and C Pima 17 South 13 East 35 218 27-500004 11/17/06 Community Water Company of Green Valley Y Y La Joya Verde Rancho Abrego III, Lots 1-15 and Common Area "A" Pima 17 South 13 East 35 15 27-700295 10/01/07 Community Water Company of Green Valley 138 Sahuarita Acres, Lots 1-71 and Common Area "A" Pima 17 South 14 East 8 71 27-500023 04/09/07 Farmers Water Company Y 139 Sahuarita Highlands, Lots 1-153, Block 1 and Common Area 'A' - Cons. Nat. Area Pima 17 South 14 East 28 153 27-401190 12/01/04 Farmers Water Company Y N N 140 Duval 19 Commercial Center Pima 17 South 14 East 35 8 27-200106 11/22/89 Community Water Company of Green Valley 141 Sycamore Canyon Estates Pima 17 South 15 East 17 19 27-300174 12/20/96 NA 142 Entrada Pima 17 South 15 East 18 48 27-200112 07/23/93 NA N 143 Entrada Pima 17 South 15 East 18, 19 & 30 48 27-200111 05/24/88 NA N New Tucson # 23 Pima 17 South 16 East 4 234 27-200203 04/27/87 NA N New Tucson #22, 23 Pima 17 South 16 East 4 20 27-200204 10/14/93 NA N 144 New Tucson #22, 23 Pima 17 South 16 East 4 16 27-200205 04/04/94 NA N New Tucson #22, 23, 24 Pima 17 South 16 East 4 12 27-200206 06/10/94 NA N New Tucson #22, 23, 24 Pima 17 South 16 East 4 18 27-200207 12/12/94 NA N 05/21/96 Community Water Company of Green Valley N 06/28/96 Community Water Company of Green Valley N N Las Campanas Block K Las Campanas Block G 147 Pima 18 South 18 South 13 East 13 East 10 10 113 95 27-300082 27-300098 Las Campanas Block G2 Pima 18 South 13 East 10 121 27-300346 11/03/97 Community Water Company of Green Valley Las Campanas Block H, Lots 1-84 Pima 18 South 13 East 10 84 27-400186 01/19/00 Community Water Company of Green Valley N 03/02/01 Community Water Company of Green Valley N 08/21/02 Community Water Company of Green Valley N N Las Campanas Block M, Lots 1-219 Las Campanas Block F 149 Pima Pima Pima 18 South 18 South 13 East 13 East 10 10 219 95 27-400376 27-400455 Las Campanas Block L, Lots 1-67 & Common Area A Pima 18 South 13 East 10 67 27-401317 09/09/04 Community Water Company of Green Valley La Posada II Pima 18 South 13 East 13 6 27-400365 02/07/01 Farmers Water Company N De Anza Links Pima 18 South 13 East 34 22 27-401136 02/13/04 Farmers Water Company N De Anza Links II, Lots 1-17 and Common Areas A & B Pima 18 South 13 East 34 17 27-401810 01/30/06 Farmers Water Company Y Springs II at Santa Rita, The Pima 18 South 13 East 34; and 19 South 13 East 3 114 27-300344 11/04/97 Farmers Water Company N Springs II Resubdivision, The Pima 18 South 13 East 34; and 19 South 13 East 3 51 27-400084 08/19/99 Farmers Water Company N Quail Creek Phase II Pima 18 South 13 East 1, 2, 5-7 1504 27-400699 11/01/02 Quail Creek Water Co N 01/03/06 Community Water Company of Green Valley Y 10/01/07 Community Water Company of Green Valley Y Y 153 154 155 156 Las Campanas Blocks D & E, Lots 1-268 & Common Area A Las Campanas, Block C, Lots 1-283 and Common Area "A" 157 Las Campanas Block B, Lots 1-118 Pima Pima Pima 18 South 18 South 18 South 13 East 13 East 10 268 283 27-401825 27-700275 13 East 10 118 27-401398 12/17/04 Community Water Company of Green Valley 757 27-402096 09/05/06 Farmers Water Company Y Farmers Water Company Y Madera Highlands, Villages 1-10 & 15 Pima 18 South 13 East 12 & 13; and 18 South 14 East 7 & 18 Madera Highlands, Villages 27 and 29, and Common Areas "D", "E", "F" and "G" Pima 18 South 13 East 13; and 18 South 14 East 18 119 27-700354 11/15/07 Madera Reserve Pima 18 South 13 East 13, 18, 19 & 24 159 27-300142 08/21/96 Farmers Water Company N 11/10/99 Community Water Company of Green Valley Y Y 160 161 10 162 Paseo Tierra Townhomes 164 Solar Del Viejo, Lots 1-81, Common Areas A&B Pima 18 South Pima 18 South 13 East 22 & 27 81 27-401607 03/17/05 Green Valley Domestic Water Improvement District 165 Madera Foothills Estates, Lots 26-67 Pima 18 South 13 East 23, 24 & 25 42 27-400456 06/12/01 Farmers Water Company Y 166 Madera Foothills Estates Pima 18 South 13 East 24 & 35 25 27-300116 07/08/96 Farmers Water Company N 413 13 East 15 18 27-400131 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA1 A. Certificates of Assured Water Supply Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application GRD Member N Pasadera, Lots 1-29 Pima 18 South 13 East 25 & 26 29 27-400380 02/07/01 Farmers Water Company 167 Colonia Real Lots 1-50 Pima 18 South 13 East 25 & 26 50 27-401210 07/01/04 Farmers Water Company Y Links at Santa Rita Springs Pima 18 South 13 East 27 94 27-300266 06/25/97 Farmers Water Company N Presidio at Santa Rita Springs, The Pima 18 South 13 East 27 252 27-300424 06/23/98 Farmers Water Company N Parcel E at Santa Rita Springs Pima 18 South 13 East 27 35 27-400148 12/15/99 Farmers Water Company N N 168 168 Duval Commerce Park Pima 18 South 13 East 3 15 27-300244 02/09/99 Community Water Company of Green Valley Greens at Santa Rita Springs, The Pima 18 South 13 East 34 47 27-300233 02/12/97 Farmers Water Company N Greens at Santa Rita Springs, Lots 226-2 Pima 18 South 13 East 34 9 27-300365 11/04/97 Farmers Water Company N 172 Stone House Pima 18 South 14 East 8 222 27-401424 01/25/05 Quail Creek Water Co Y 173 Madera Highlands: Villages 11,12,13,14 & 16 - 23 Pima 18 South 14 East 18 617 27-401612 05/02/05 Farmers Water Company Y Pozo Nueva Ranch Estates Pima 19 South 9 East 22 & 23 12 27-200238 01/28/90 NA N Pozo Nuevo Ranch Estates Pima 19 South 9 East 22 & 23 12 27-200239 01/28/90 NA N 11/20/96 Green Valley Domestic Water Improvement District N 11/20/96 Green Valley Domestic Water Improvement District N 07/10/97 Green Valley Domestic Water Improvement District N N 170 171 174 San Ignacio Villas San Ignacio Vistas II, Resub. 175 176 San Ignacio Heights Resb,Lots1,2&157-165 Pima Pima Pima 19 South 19 South 19 South 13 East 13 East 13 East 4 4 4 45 32 11 27-300181 27-300192 27-300275 San Ignacio Vista II Pima 19 South 13 East 4 72 27-300279 06/05/97 Green Valley Domestic Water Improvement District San Ignacio Vistas II, Phase 2 Pima 19 South 13 East 4 130 27-300347 11/04/97 Green Valley Domestic Water Improvement District N Green Valley Domestic Water Improvement District N Canoa Northwest Lots 1-84 & 1-58,A,B&C 178 Canoa Preserve Pima 19 South 13 East 9 58 27-400242 04/27/00 Pima 19 South; 18 South 13 East; 13 East 2;35 & 36 80 27-401781 09/13/07 Farmers Water Company Y N Canoa Northwest Lots 1 thru 167 Pima 19 South 13 East 5, 8 & 9 167 27-400144 11/12/99 Green Valley Domestic Water Improvement District Canoa Northwest Lots 167 thru 329 Pima 19 South 13 East 5, 8 & 9 163 27-400289 06/13/00 Green Valley Domestic Water Improvement District N 13 East 8, 9, 16, 17 & 19 12/24/03 Green Valley Domestic Water Improvement District Y 08/08/05 Green Valley Domestic Water Improvement District Y Y 179 Canoa Ranch Block 28 180 181 Canoa Ranch Blocks 8, 9, &15 Pima Pima 19 South 19 South 13 East 8, 9 & 10 193 15 27-400935 27-401188 Canoa Ranch, Block 22 & a portion of Block 27, Lots 1-140, Common Areas A & B Pima 19 South 13 East 8 140 27-401564 08/15/05 Green Valley Domestic Water Improvement District Canoa Ranch Block 21 Pima 19 South 13 East 9 60 27-400875 04/24/03 Green Valley Domestic Water Improvement District N 08/27/03 Green Valley Domestic Water Improvement District Y 01/20/04 Green Valley Domestic Water Improvement District Y Canoa Ranch Blocks 19 & 20, Lots 1-99 CA A&B Canoa Ranch Block 11 Pima Pima 19 South 19 South 13 East 13 East 9 9 100 17 27-400883 27-400896 Source: ADWR 2008 Notes: NA = Not available at this time Section 8.5 Tucson Active Management Area 414 Arizona Water Atlas Volume 8 1 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA B. Water Adequacy Reports Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. ADWR Adequacy Determination2 Date of Determination Water Provider at the Time of Application Rancho Robles Pinal 9 South 15 East 35 17 53-501269 Adequate 08/09/79 Arizona Water Company Oracle System Two O'Clock Hill Pinal 9 South 15 East 35 20 53-501587 Adequate 10/15/74 Arizona Water Company Oracle System 19 Coronado Reserve formerly known as Mountain House Pinal 10 South 15 East 2 18 53-401648 Adequate 08/04/05 Arizona Water Company Oracle System 28 Mountain Vista Estates Pima 11 South 14 East 2 41 53-501037 Adequate 09/21/73 Lago del Oro Water Company 39 Countryside Pima 12 South 12 East 24 2600 53-500529 Adequate 04/16/79 Tortollita Water Co. Oshrin Park Pima 12 South 12 East 25 & 26 30 53-501089 Adequate 06/17/74 NA Oshrin Park Pima 12 South 12 East 25 & 26 25 53-501090 Adequate 11/12/75 NA Oshrin Park Pima 12 South 12 East 25 & 26 58 53-501091 Adequate 02/26/76 NA 41 Tangerine Hills Pima 12 South 13 East 1 117 53-501536 Adequate 01/18/80 NA 43 Monte del Oro Pima 12 South 13 East 12 187 53-501006 Adequate 06/08/80 NA 44 Oro Valley Heights Pima 12 South 13 East 13 45 53-501088 Adequate 10/03/78 NA 45 Placita del Oro Pima 12 South 13 East 14 3 53-501199 Adequate 12/27/79 Doney Park Water Company 46 Chaparral Heights Pima 12 South 13 East 16 73 53-500441 Inadequate 10/23/79 NA 47 Ironwood Mesa Estates Pima 12 South 13 East 21 10 53-500816 Adequate 06/15/79 NA La Estancia Pima 12 South 13 East 27 20 53-500852 Inadequate 01/30/79 NA La Estancia Pima 12 South 13 East 27 20 53-500853 Adequate 06/15/79 NA Ranchos de la Canada #2 Pima 12 South 13 East 27 39 53-501280 Adequate 07/05/79 NA 3 40 48 Ranchos de la Canada #3 Pima 12 South 13 East 27 31 53-501281 Adequate 06/19/79 NA 49 Tucson National Townhomes West Pima 12 South 13 East 28 82 53-501584 Adequate 12/27/79 NA 50 Moondance Pima 12 South 13 East 29 208 53-501013 Adequate 10/03/78 NA Heritage Hills #2 Lots 222-424 Pima 12 South 13 East 32 203 53-500780 Adequate 07/25/78 NA Heritage Hills #2 Lots 425-557 Pima 12 South 13 East 32 133 53-500781 Adequate 08/21/78 NA Heritage Hills #2 Lots 558-740 Pima 12 South 13 East 32 183 53-500782 Adequate 09/19/78 NA Metropolitan Estates #1 Pima 12 South 13 East 32 59 53-500972 Adequate 01/29/74 NA Las Quintas Townhouses Pima 12 South 13 East 35 57 53-500898 Adequate 02/19/74 NA Vista de la Canada Pima 12 South 13 East 35 56 53-501642 Adequate 12/26/73 NA 53 Rancho Feliz Lots 390-441 Pima 12 South 13 East 15 & 22 357 53-501258 Adequate 07/11/78 NA 54 Canada Verde Pima 12 South 13 East 22 & 23 39 53-500389 Adequate 07/11/78 NA 55 Pusch Ridge Estates Pima 12 South 14 East 18 65 53-501230 Adequate 05/06/80 NA 62 Casas Arroyo Pima 13 South 12 East 1 20 53-500414 Adequate 01/29/80 NA 63 Picture Rocks Vista Pima 13 South 12 East 4 6 53-501145 Adequate 05/07/79 NA Chula Vista Villas Pima 13 South 13 East 2 12 53-500454 Adequate 06/15/79 NA Orange Grove Manor Townhouses2 Pima 13 South 13 East 2 65 53-501078 Adequate 09/28/78 NA 66 Angelo Estates Pima 13 South 13 East 3 7 53-500270 Adequate 09/18/73 Metropolitan Domestic Water Improvement District 67 Casas Adobes West #2 Pima 13 South 13 East 4 82 53-500413 Adequate 06/15/79 NA 51 52 65 415 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 1 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA B. Water Adequacy Reports Location Map Key Subdivision Name County Township Range Section No. of Lots ADWR File No. ADWR Adequacy Determination2 Date of Determination Water Provider at the Time of Application Casa Adobes Park Pima 13 South 13 East 9 125 53-500399 Adequate 08/22/78 NA Casas Adobes Park Pima 13 South 13 East 9 194 53-500411 Adequate 11/20/73 NA Casas Adobes Park #3 Pima 13 South 13 East 9 103 53-500412 Adequate 09/26/79 NA El Leah Pima 13 South 13 East 9 117 53-500606 Adequate 07/28/78 NA Vaquero Villa Pima 13 South 13 East 9 17 53-501607 Adequate 11/23/73 NA 69 Vista de Luces Pima 13 South 13 East 10 30 53-501643 Adequate 10/04/78 NA 70 Orange Grove Pueblo #1 Pima 13 South 13 East 11 53 53-501084 Adequate 07/03/79 NA 68 Casitas del Valle #2 Pima 13 South 13 East 22 69 53-500418 Inadequate 03/23/81 Flowing Wells Irrigation District Casitas del Valle Townhouses 2 Pima 13 South 13 East 22 110 53-500419 Inadequate 08/23/79 NA 74 Barcelona Manor Condominiums Pima 13 South 13 East 1, 2, 11 & 12 240 53-500307 Adequate 12/24/79 NA 78 Millstone Manor East Pima 13 South 15 East 25 11 53-500977 Adequate 07/28/78 NA 81 San Domingo Pima 13 South 15 East 30 0 53-501359 Adequate 09/07/76 NA 86 La Cienega Pima 13 South 15 East 28 & 33 17 53-500851 Inadequate 03/27/74 Hub Water Company San Domingo Lots 23-46 Pima 13 South 16 East 30 15 53-501360 Adequate 12/06/77 NA San Domingo Lots 27-37 Pima 13 South 16 East 30 11 53-501361 Adequate 10/17/79 NA 89 Tucson Saguaro Estates Pima 14 South 11 East 24 34 53-501585 Adequate 06/20/79 NA 91 Tucson Mountain Park Estates Pima 14 South 12 East 30 22 53-501583 Adequate 09/25/79 NA 94 Pio Decimo Estates Pima 14 South 15 East 5 6 53-501194 Adequate 07/17/78 NA 94 Samprese Estates Pima 14 South 15 East 5 119 53-501356 Adequate 05/01/79 NA 94 Tanque Verde Estates Pima 14 South 15 East 5 70 53-501538 Adequate 02/05/80 NA Pantano Townhomes Pima 14 South 15 East 6 118 53-501099 Adequate 11/06/78 NA Pantano Townhomes #2 Pima 14 South 15 East 6 92 53-501100 Adequate 06/19/79 NA 96 Stefan Estates Pima 14 South 15 East 15 5 53-501458 Adequate 09/11/78 Halcyon Acres Annex No. 2 97 Aldea de Pascua Pima 14 South 15 East 25 11 53-500256 Adequate 01/30/78 NA 109 Sunhaven of Tucson Pima 15 South 14 East 10 201 53-501497 Adequate 07/17/73 Ray Water Company 113 Thunderhead Ranch Pima 15 South 16 East 9 110 53-501544 Adequate 08/16/79 NA 114 Caserio Viejo Pima 15 South 16 East 15 11 53-500417 Adequate 07/31/75 Chaparral City Water Co 123 Mira Bell Pima 16 South 10 East 24 60 53-500982 Adequate 07/03/79 NA 71 87 95 130 Mountain View Acres Pima 17 South 13 East 26 12 53-501028 Adequate 01/30/76 Las Quintas Serenas Water Company 137 Green Valley Country Club North Pima 17 South 13 East 35 & 36 145 53-500734 Adequate 01/06/77 NA Fairfield Green Valley Townhouses Pima 18 South 13 East 2 258 53-500628 Adequate 08/29/73 NA Green Valley Commercial Block Pima 18 South 13 East 2 8 53-500731 Adequate 08/21/73 NA Green Valley Commercial Block 2 Pima 18 South 13 East 2 5 53-500732 Adequate 11/20/75 NA Green Valley Mobile Estates (1976) Pima 18 South 13 East 2 125 53-500749 Adequate 09/14/76 NA Colonia de Los Alamos (1974) Pima 18 South 13 East 3 1066 53-500485 Adequate 05/17/74 NA 145 146 Section 8.5 Tucson Active Management Area 416 Arizona Water Atlas Volume 8 1 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA B. Water Adequacy Reports Location Map Key Subdivision Name Green Valley Community Complex 148 149 150 County Pima Township Range Section 18 South 13 East 11 No. of Lots ADWR File No. ADWR Adequacy Determination2 Date of Determination 11 53-500733 Adequate 07/15/75 NA Water Provider at the Time of Application Green Valley County Club Vista Pima 18 South 13 East 11 30 53-500735 Adequate 06/19/78 Community Water Company of Green Valley Green Valley Desert Meadows Pima 18 South 13 East 11 223 53-500740 Adequate 01/06/77 NA Green Valley South Acres Pima 18 South 13 East 11 73 53-500752 Adequate 12/12/77 NA Green Valley Townhouses #6 Pima 18 South 13 East 11 84 53-500754 Adequate 02/21/74 NA Green Valley Mobile Estates (1975) Pima 18 South 13 East 13 16 53-500748 Adequate 04/30/75 NA Green Valley Esperanza Estates Lots 1-100 Pima 18 South 13 East 15 100 53-500741 Adequate 08/11/76 Community Water Company of Green Valley Green Valley Esperanza Estates Lots 206-258 Pima 18 South 13 East 15 53 53-500742 Adequate 10/12/78 Community Water Company of Green Valley Green Valley Esperanza Estates Lots 259-368 Pima 18 South 13 East 15 110 53-500743 Adequate 01/03/79 Community Water Company of Green Valley Green Valley Foothills Townhouses Pima 18 South 13 East 15 35 53-500747 Adequate 08/14/79 NA Green Valley Desert Hills #1 Pima 18 South 13 East 27 49 53-500736 Adequate 01/23/80 NA Green Valley South Clusters Pima 18 South 13 East 27 44 53-500753 Adequate 01/26/78 NA Green Valley Desert Hills #3 Pima 18 South 13 East 28 753 53-500738 Adequate 02/01/79 NA Green Valley Desert Hills #6 Pima 18 South 13 East 28 107 53-500739 Adequate 01/04/80 NA 151 152 Green Valley Retirement Apts Pima 18 South 13 East 28 110 53-500751 Adequate 10/12/78 Community Water Company of Green Valley 157 Green Valley Townhouses #7 Lots 1-185 Pima 18 South 13 East 11, 27 & 28 185 53-500755 Adequate 07/23/74 Community Water Company of Green Valley 158 Green Valley Townhouses #7 Lots 186-385 Pima 18 South 13 East 11, 27 & 28 199 53-500756 Adequate 01/16/78 Community Water Company of Green Valley 163 Clara Vista del Valle Pima 18 South 13 East 15 & 22 21 53-500462 Adequate 01/16/78 Community Water Company of Green Valley 169 Green Valley Desert Hills #2 Pima 18 South 13 East 27 & 28 613 53-500737 Adequate 08/24/78 NA 169 Green Valley South Acres Pima 18 South 13 East 27 & 28 73 53-500752 Adequate 12/12/77 NA Source: ADWR 2008 417 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Table 8.5-12 Assured Water Supply Determinations in the Tucson AMA1 C. Analysis of Assured Water Supply Location No. of Lots ADWR File No. Date of Determination Water Provider at the Time of Application 8, 9, 14, 15, 22, 23, 25, 26 & 27; and 8 South 14 East 20, 29 & 30 6,560 28-401289 10/14/04 Willow Springs Utilities 10 East 4, 5, 8, 9 & 10 3,808 28-400918 11/02/04 Red Rock Utilities 10 South 14 East 4, 5, 7 & 8 6,000 28-400263 03/21/02 Arizona Water Company Oracle System Pinal 10 South 14 East 1; and 10 South 15 East 5 1,553 28-401962 09/12/06 Undetermined Pima 15 South 12 East 9 887 28-500065 07/24/07 Diablo Village Water Co Map Key Subdivision Name County 1 Willow Springs Ranch South Village 6 18 Township Range Section Pinal 8 South 13 East Red Rock Village Pinal 10 South Saddlebrooke Ranch Pinal 21 B_2 Ranch 104 Tucson Mountain Ranch & Valencia Ranch 107 Pomegranate Farms Pima 15 South 12 East 18 3,908 28-700315 03/28/08 Diablo Village Water Co 111 Voyager Expansion Pima 15 South 15 East 32 1,200 28-400732 10/11/02 Voyager Water Company 125 Swan Southlands Development Pima 16 South 14 East 10, 12, 13, 14 & 15 8,525 28-401840 06/12/06 NA 31,029 28-500050 07/30/07 Farmers Water Company 10,800 28-300120 07/23/96 NA 126 Sahuarita Farms (N. half) and Continental Farms (S. half) Pima 133 Rancho Sahuarita Pima 135 14 East; 13 31;12, 13, 24 & 25;516 South; 17 South; East; 14 17 South; 18 South 8, 17-19 & 30;24 East; 13 East 17 South 13 East 1, 11-14, 23 25, 26 & 35 788 28-400352 02/07/01 Community Water Company of Green Valley 13 East 7, 12, 13 & 18 1,800 28-400259 07/13/00 Farmers Water Company 1,800 28-400616 04/15/02 Farmers Water Company Sahuarita West & East Property Pima 17 South 13 East Madera Highlands (2000) Pima 18 South 159 Madera Highlands (2002) Pima 18 South 13 East 12 & 13; and 18 South 14 East 7 & 18 171 Santa Rita Springs Pima 18 South 13 East 26, 27 & 34 1,081 28-300194 10/03/96 Farmers Water Company 177 Canoa Ranch Pima 19 South 13 East 8, 9 10, 17 & 18 2,200 28-400615 01/16/02 Green Valley Domestic Water Improvement District 182 Ridgeline Estates Pima 19 South 14 East 18, 19, 20, 29 & 30 166 28-700397 02/15/08 NA County Designation No. Date Application Received Date Designation Issued Source: ADWR 2008 D. Designated Water Providers Map Key Water Provider Name Projected or Year of Projected Annual or Annual Estimated Estimated Demand Demand (af/yr) A City of Tucson Pima 26-400957 04/29/03 06/12/07 183,956 2015 B Marana Municipal Water System Pima 26-402254 07/31/06 05/07/07 7,580 2017 Pima 26-401922 10/20/05 09/25/06 1,014 2016 Pima 26-401062 09/02/03 07/31/06 13,302 2016 E Metropolitan Domestic Water Imp. Dist. - West Metropolitan Domestic Water Improvement District Sahuarita Water Company Pima 26-401203 01/06/04 12/01/04 2,578 2014 F Spanish Trail WC Pima 26-000170 07/18/97 04/16/96 1,843 2005 G Town of Oro Valley Pima 26-400765 07/01/02 06/26/03 15,049 2013 H Vail Water Company Pima 26-401752 05/03/05 11/10/05 3,749 2015 I Willow Springs Utilities Company Pinal 26-402225 07/06/06 04/15/08 2,635 2017 C D Source: ADWR 2008 Notes: Prior to February 1995, ADWR did not assign file numbers to applications for adequacy. Between 1995-2006 all applications for adequacy were given a file number with a 22 prefix. In 2006 a 53 prefix was assigned to all water adequacy reports and applications regardless of their issue date. 1 2 Includes water reports issued under the Water Adequacy program prior to 1980 implementation of the Assured Water Supply program. Assured and Adequate Water Supply determinations are based on the information available to ADWR and the standards of review and policies in effect at the time the determination was made. A determination of inadequacy could be due to insufficent physical or legal access to water or poor water quality. The Adequacy Program was replaced by the Assured Water Supply Program in the AMAs in 1980. Section 8.5 Tucson Active Management Area 418 Arizona Water Atlas Volume 8 419 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Section 8.5 Tucson Active Management Area 420 Arizona Water Atlas Volume 8 Tucson AMA References and Supplemental Reading References A Arizona Department of Economic Security (DES), 2005, Workforce Informer: Data file, accessed August 2005, http://www.workforce.az.gov. (Cultural Water Demant Table) Arizona Department of Environmental Quality, 2006a, Active DOD, Superfund, WQARF, and LUST contamination sites in Arizona: GIS cover, received February 2006. _____, 2006b, Superfund and WQARF programs, Accessed June 2008 at http://www.azdeq.gov/ environ/waste/sps/index.html. _____, 2005a, Azurite: Data file, received September 2005. _____, 2005b, Effluent dependent waters: GIS cover, received December 2005. _____, 2005c, Impaired lakes and reaches: GIS cover, received January 2006. _____, 2004a, Water providers with arsenic concentrations in wells over 10ppb: Data file, received August 2004. (Water Quality Map and Table) _____, 2004b, Water quality exceedences by watershed: Data file, received June 2004. (Water Quality Map and Table) _____, 2004c, Water quality exceedences for drinking water providers in Arizona: Data file, received September 2004. (Water Quality Map and Table) _____, 2002, The Status of Water Quality in Arizona – 2002: Volume 1. Arizona’s Integrated 305(b) Assessment and 303(b) Listing Report Arizona Department of Water Resources (ADWR), 2009, Estimated cultural water demand in the AMA Planning Area: Unpublished Analysis, ADWR Office of Data Management. _____, 2008, Assured and adequate water supply applications: Project files, ADWR Hydrology Division. _____, 2005a, Flood warning gages: Database, ADWR Office of Water Engineering. _____, 2005b, Inspected dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005c, Non-jurisdictional dams: Database, ADWR Office of Dam Safety. (Reservoirs and Stockponds Table) _____, 2005d, Groundwater Site Inventory (GWSI): Database, ADWR Hydrology Division. _____, 2005e, Registry of surface water rights: ADWR Office of Water Management. (Reservoirs and Stockponds Table) _____, 2005f, Wells55: Database. _____, 2004, Annual withdrawal and use reports for the Tucson AMA: ADWR Office of Water Management. _____, 1999, Third Management Plan for the Tucson Active Management Area 2000-2010. _____, 1994, Arizona Water Resources Assessment, Vol. I, Inventory and Analysis. _____, 1994, Arizona Water Resources Assessment, Vol. II, Hydrologic Summary. Arizona Game and Fish Department (AGF), 1997 & 1993, Statewide riparian inventory and mapping project: GIS cover. Arizona Land Resource Information System (ALRIS), 2005a, Springs: GIS cover, accessed January 2006 at http://www.land.state.az.us/alris/index.html. _____, 2005b, Streams: GIS cover, accessed 2005 at http://www.land. state.az.us/alris/index. Section 8.5 Tucson Active Management Area 421 Arizona Water Atlas Volume 8 html. _____, 2005c, Water features: GIS cover, accessed July 2005 at http://www.land. state.az.us/alris/ index.html. _____, 2004, Land ownership: GIS cover, accessed in 2004 at http://www.land.state.az. us/alris/index.html. Arizona Meteorological Network (AZMET), 2007, Arizona climate stations: Pan evaporation data, accessed December 2005 at http://www.ag.arizona.edu/ azmet/locate.html. E Environmental Protection Agency (EPA), 2004 and 2006, Clean Watershed Needs Survey: datasets, accessed March 2005 at http://www.epa.gov/owm/mtb/cwns/index.htm. O Oregon State University, Spatial Climate Analysis Service (SCAS), 1998, Average annual precipitation in Arizona for 1961-1990: PRISM GIS cover, accessed in 2006 at www.ocs. orst.edu/prism. P Pima County, 2004, The Pima County Effluent Generation and Utilization Report 2004. Pima County Association of Governments, 2006, Pima Association of Government’s (PAG’s) Section 208 Area-wide Water Quality Management Plan 2006. U US Army Corps of Engineers, 2004 and 2005, National Inventory of Dams: Arizona Dataset, accessed November 2004 to April 2005 at http://crunch.tec.army.mil/nid/webpages/nid. cfm (Reservoirs and Stockponds Table) United States Geological Survey (USGS), 2008 & 2005, National Water Information System (NWIS) data for Arizona: Accessed October 2008 at http://waterdata.usgs.gov/nwis. _____, 2006a, National Hydrography Dataset: Arizona dataset, accessed at http://nhd.usgs.gov/. _____, 2006b, Springs and spring discharges: Dataset, received November 2004 and January 2006 from USGS office in Tucson, AZ. _____, 2004, National Gap Analysis Program - Southwest Regional Gap analysis study- land cover descriptions: Electronic file, accessed January 2005 at http://earth.gis.usu.edu / swgap. _____, 1981, Geographic digital data for 1:500,000 scale maps: USGS National Mapping Program Data Users Guide. W Western Regional Climate Center (WRCC), 2005a, Pan evaporation stations: Data file accessed December 2005 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwDI~GetCity~USA. _____, 2005b, Precipitation and temperature stations: Data file, accessed December 2007 at http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwDI~GetCity~USA. Weidner, C., 1996, ADEQ Pollution Prevention Report, Arizona Pollution Prevention. Spring/Summer 1996. (Water Quality Map and Table) 422 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 Supplemental Reading Betancourt, J.L. and R.M. Turner. 1993. Tucson’s Santa Cruz River and the arroyo legacy. Tucson, Arizona: University of Arizona Press. Colby, B.G. and K.L. Jacobs eds, 2007, Arizona Water Policy: Management and Innovations in an Urbanizing, Arid Region: Resources for the Future, Washington D.C. Fonseca, J., 2008, Aquifer Monitoring for Groundwater-Dependent Ecosystems, Pima County Arizona: Office of Conservation Science, Pima County, Natural Resources, Parks and Recreation. Galyean, K., 1996. Infiltration of Wastewater Effluent in the Santa Cruz Rive Channel, Pima County, Arizona. United States Geological Survey Water-Resources Investigations Report 96-4021. Prepared in cooperation with the City of Tucson, Tucson, AZ 1996 Good Neighbor Environmental Board, 2005, Water Resources Management on the U.S.-Mexico Border: Eighth Report to the President and Congress of the United States. Governor’s Drought Task Force, 2004, Arizona Drought Preparedness Plan. Draft. Phoenix. _____, 2004, Arizona Drought Management Plan. Draft. Phoenix Governor’s Water Management Commission, 2002, Final Report and Recommendations Phoenix: Arizona Department of Water Resources. _____, 2000, Briefing Book: Water Management Framework for AMAs, Groundwater Use Restrictions and Requirements. Phoenix: Arizona Department of Water Resources. Hill, E., J. Fonseca and S. Schorr, 2000, Groundwater Level Changes in the Tanque Verde Valley: Sonoran Desert Conservation Plan, Pima County, Arizona. Hammett, B.A. and J.W. Sicard, 1997. Groundwater conditions in the Santa Cruz and Tucson Active Management Areas, Pima, Pinal and Santa Cruz Counties, 1995. Arizona Department of Water Resources, Open-File Report No. 8. _____, 1995, Maps showing Groundwater Conditions in the Santa Cruz and Tucson Active Management Areas Pima, Pinal and Santa Cruz Counties: Arizona Department of Water Resources Open-File 8 Hanson, R.T., S.R. Anderson, and D.R. Pool, 1990. Simulation of ground-water flow and potential land subsidence, Arva Valley, Arizona. United States Geological Survey WaterResources Investigations Report 90-4178, 41pp. Section 8.5 Tucson Active Management Area 423 Arizona Water Atlas Volume 8 Hanson, R.T. and J.F. Benedict, 1994. Simulation of ground-water flow and potential land subsidence, Upper Santa Cruz Basin, Arizona. United States Geological Survey WaterResources Investigation Report 93-4196, 47pp. Hoffman, J.P., D.R. Pool, A.D. Konieczki and M.C. Carpenter, 1997. Investigation of the Causes of Sinks in the San Xavier District, Tohono O’odham Nation, Pima County, Arizona. United States Geological Survey Open File Report 97-19. Holway, J.M. and K.L. Jacobs, 2006, Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth: in Mays, L., eds., Managing for Sustainability in Arizona, USA: Linking Climate, Water Management and Growth. McGraw-Hill. International Boundary and Water Commission, 1997, Memorandum from S. Tencza to F. Corkhill containing annual sewage inflow and outflow data for the Nogales International Wastewater Treatment Plant. Nogales, Arizona, United States Section. Jacobs, K. L. and J. M. Holway, 2004, Lessons Learned from Twenty Years of Groundwater Management in Arizona, USA. Hydrogeology Journal. 12, No. 1. Malcolm Pirnie, 1996. Tucson Water Department Application for Designation of Assured Water Supply. Filed with Arizona Department of Water Resources, December 1996. _____, 1995. Regional Effluent Utilization Plan, Phase B. Produced for Pima County Wastewater Management Department and Tucson Water, June 1995. Megdal, S. and A. Lien, A., 2008, Tucson Regional Water Planning Perspectives Study, Water Resources Research Center, University of Arizona. Megdal, S. and Z. Smith, 2008, Evolution and Evaluation of the Active Management Area Management Plans, Water Resources Research Center, University of Arizona. Megdal, S., 2006, Water Resource Availability for the Tucson Metropolitan Area, Water Resources Research Center, University of Arizona. Megdal, S. and B. Colby, 2004, Arizona’s Water Future: Challenges and Opportunities, 85th Arizona Town Hall Background Report, University of Arizona. Megdal, S., 2003, How Water Management in Tucson, Arizona Has Affected the Desert’s Landscape: Water Resources Research Center, University of Arizona. Murphy, B.A. and J.D. Hedley, 1984. Maps showing groundwater conditions in the Upper Santa Cruz Basin area, Pima, Santa Cruz, Pinal and Cochise Counties, Arizona, 1982. Arizona Department of Water Resources Hydrologic Map Series Report Number 11, 3 424 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 sheets. Pima Association of Governments, 1995, 1995 Pima Association of Governments Water Quality Documents, Summaries and Information Index, December 1995 _____, 1994, Water Quality State of the Region Report, December 1994. Pima County, 1999, Water Resources and the Sonoran Desert Conservation Plan. Scott, P.S., R.D. MacNish and T. Maddock III. 1996. Effluent recharge to the Upper Santa Cruz River floodplain aquifer, Santa Cruz County, Arizona, Arizona Research Laboratory for Riparian Studies at the University of Arizona, Tucson, Arizona. 75p. Seventy-first Arizona Town Hall. 1997. Ensuring Arizona’s Water Quantity and Quality into the 21st Century. Marshall A. Worden, editor. Phoenix: Arizona Town Hall. Slaff, Steven. 1993. Land Subsidence and Earth Fissures in Arizona. Arizona Geological Survey, Down-to-Earth Series 3. Sprouse, T.W., 2005, Water Issues on the Arizona-Mexico Border: The Santa Cruz, San Pedro and Colorado Rivers, Water Resources Research Center, University of Arizona. Tucson Water, 2008, 2008 Update to Water Plan 2000-2050: City of Tucson, Arizona. _____, 2007, Reclaimed Water System Status Report -2007: City of Tucson, Arizona _____, 1997, Annual Static Water Level Basin Data Report, Tucson Basin and Avra Valley, Pima County, Arizona, 1995. City of Tucson, Tucson Water, Planning and Engineering Division, Research and Technical Support Section, June 1997. Section 8.5 Tucson Active Management Area 425 Arizona Water Atlas Volume 8 426 Section 8.5 Tucson Active Management Area Arizona Water Atlas Volume 8 ACRONYMS AND ABBREVIATIONS ACC ADMMR ADWR ADEQ ADOC AFA AJ ALERT ALRIS AMA AMP APS ARS ASLD AWS AWBA AWCCG AWPF AZDA AZGF AZMET BIA bls BLM BMP CAGRD CAIDD CAP CAVSRP CERCLA CLIMAS CMID CVID CWR DES DOD DWID DWS EIS EPA ESA FICO FR Arizona Corporation Commission Arizona Department of Mines and Mineral Resources Arizona Department of Water Resources Arizona Department of Environmental Quality Arizona Department of Commerce Acre-feet per year Administrative Judge Automated Local Evaluation in Real Time Arizona Land Resource Information System Active Management Area Adaptive Management Program Arizona Public Service Arizona Revised Statute Arizona State Land Department Assured Water Supply Arizona Water Banking Authority Arizona Water Company - Casa Grande System Arizona Water Protection Fund Arizona Department of Agriculture Arizona Game and Fish Department Arizona Meteorological Network United States Bureau of Indian Affairs Below land surface United States Bureau of Land Management best management practices Central Arizona Groundwater Replenishment District Central Arizona Irrigation and Drainage District Central Arizona Project Central Avra Valley Storage and Recovery Project Comprehensive Environmental Response Compensation and Liability Act Climate Assessment for the Southwest Cortaro-Marana Irrigation District Chino Valley Irrigation District Certificated Water Right Arizona Department of Economic Security United States Department of Defense Domestic Water Improvement District Drinking Water Standards Environmental Impact Statement Environmental Protection Agency Endangered Species Act Farmers Investment Company Federal Register AMA Planning Area Appendices 427 Arizona Water Atlas Volume 8 GIS gpcd gpm GRIC GSF GSP Act GUAC GWSI HIA HIDD HSR HUC ID IDD IGA INA ITCA LDIG LUST maf M&I mgd MSCP MSIDD MWD NAU NHD NIWWTP NMIDD NOAA NPL NPS NRCD NRCS NWIS NWR NWS Pan ET PCE PCWAA PDO RCRA RID ROD RW Geographic Information System Gallons per capita per day Gallons per minute Gila River Indian Community Groundwater Savings Facility Growing Smarter Plus Act Groundwater Users Advisory Council Groundwater Site Inventory System Historically Irrigated Acres Hohokam Irrigation and Drainage District Hydrographic Survey Report Hydrologic Unit Code Irrigation District Irrigation and Drainage District Intergovernmental agreement Irrigation Non-Expansion Area Intertribal Council of Arizona Local Drought Impact Group Leaking Underground Storage Tank Million acre-feet Municipal and Industrial Million gallons per day Multi-Species Conservation Plan Maricopa-Stanfield Irrigation and Drainage District Maricopa Water District Northern Arizona University National Hydrography Dataset Nogales International Wastewater Treatment Plant New Magma Irrigation and Drainage District National Oceanic and Atmospheric Administration National Priorities List (Superfund) United States National Park Service Natural Resources Conservation District Natural Resources Conservation Service National Water Information System National Wildlife Refuge National Weather Service Pan Evaportranspiration Tetrachloroethene Pinal County Water Augmentation Authority Pacific Decadal Oscillation Resource Conservation and Recovery Act Roosevelt Irrigation District Record of Decision Recovery well 428 AMA Planning Area Appendices Arizona Water Atlas Volume 8 RWCD SAVSRP SAWRSA SB SCIDD SCIP SDCP SNOTEL SROG SRP SRPMIC TCE TDS USBOR USDA USDOI USF USFS USFWS USGS VOCs VRP WIFA WC&DD WQARF WRCC WWTF WWTP WWRP Roosevelt Water Conservation District Southern Avra Valley Storage and Recovery Project Southern Arizona Water Rights Settlement Act Senate Bill San Carlos Irrigation and Drainage District San Carlos Irrigation Project Sonoran Desert Conservation Plan SNOpack TELemetry Sub-regional Operating Group Salt River Project Salt River Pima-Maricopa Indian Community Trichloroethylene Total Dissolved Solids United States Bureau of Reclamation United States Department of Agriculture United States Department of Interior Underground Storage Facility United States Forest Service United States Fish and Wildlife Service United States Geological Survey Volatile Organic Compounds Voluntary Remediation Program Water Infrastructure Finance Authority Water Conservation and Drainage District Water Quality Assurance Revolving Fund Western Regional Climate Center Wastewater Treatment Facility Wastewater Treatment Plant Wastewater Reclamation Plant AMA Planning Area Appendices 429 Arizona Water Atlas Volume 8 430 AMA Planning Area Appendices Arizona Water Atlas Volume 8 APPENDIX A AMA Planning Area Appendices 431 Arizona Water Atlas Volume 8 Appendix A: Arizona Water Protection Fund Projects in the AMA Planning Area through FY 2008 Active Management Area Planning Area Groundwater Basin Map Number AWPF Grant # Project Title Project Category Phoenix AMA 16 95-010 Assessment of the Role of Effluent Dominated Rivers in Supporting Riparian Functions Research Phoenix AMA 101 96-0005 Tres Rios River Management & Constructed Wetlands Project Research Phoenix AMA 171 97-038 Tres Rios Wetland Heavy Metal Bioavailability Design for Denitrification and Microbial Water Quality Research Phoenix AMA 180 97-042 Queen Creek Restoration and Management Plan Research Phoenix AMA 259 99-098 Rio Salado Habitat Restoration Project Phoenix AMA 278 00-114 The Papago Park Greenline Project Pinal AMA 12 95-008 Picacho Reservoir Riparian Enhancement Project Habitat Protection Prescott AMA 19 95-012 The Comprehensive Plan for the Watson Woods Riparian Preserve Feasibility Study Prescott AMA 118 96-0008 Watson Woods Vegetation Inventory Research Prescott AMA 119 96-0009 Watson Woods Riparian Preserve Visitor Management Research Prescott AMA 235 99-076 Watson Woods Preserve Herpetological Interpretive Guide and Checklist Research Prescott AMA 296 04-121 Lynx Creek Restoration Stream Restoration Prescott AMA 299 04-122 Watson Woods Riparian Preserve Restoration Feasibility Project Feasibility Study Constructed Wetland & Revegetation Exotic Species Control & Revegetation Prescott AMA 356 08-158 Watson Woods Riparian Preserve Restoration Project Habitat & Stream Restoration Tucson AMA 5 95-002 Partnership for Riparian Conservation in Northeastern Pima County Research 432 AMA Planning Area Appendices Arizona Water Atlas Volume 8 Tucson AMA 12 95-008 Picacho Reservoir Riparian Enhancement Project Habitat Protection Tucson AMA 26 95-007 High Plains Effluent Recharge Project Wetland Restoration Tucson AMA 69 95-023 Sabino Creek Riparian Ecosystem Protection Project Research Tucson AMA 90 96-0010 Rehabilitating the Puertocito Wash on the Buenos Aires National Wildlife Refuge Stream Restoration Tucson AMA 133 96-0026 Riparian Restoration on the San Xavier Indian Reservation Community Habitat Restoration & Revegetation Tucson AMA 161 97-031 Lincoln Park Riparian Habitat Project (f.k.a. Atturbury Wash Project) Habitat Restoration Tucson AMA 163 97-033 Proctor Vegetation Modification Exotic Species Control Tucson AMA 164 97-034 Oak Tree Gully Stabilization Upland Channel Restoration Tucson AMA 215 98-062 Partnership for Riparian Conservation in Northeastern Pima County II Revegetation Tucson AMA 231 99-072 Leopard Frog Habitat and Population Conservation at Buenos Aires National Wildlife Refuge Habitat Restoration Tucson AMA 239 99-080 Cortaro Mesquite Bosque Tucson AMA 246 99-087 Rillito Creek Habitat Restoration Project Tucson AMA 253 99-094 Santa Cruz River Park Extension Tucson AMA 279 00-115 Tucson Audubon Society North Simpson Farm Riparian Recovery Project Revegetation Tucson AMA 300 04-123 Tucson Audubon Society, Santa Cruz River Habitat Project, North Simpson Site, Phase 2 Revegetation Tucson AMA 310 05-130 Riparian Restoration on the San Xavier District – Project Two Revegetation Tucson AMA 336 07-144 Evaluation of Riparian Habitat and Headcutting on Lower Cienega Creek Research Tucson AMA 358 08-160 Atturbury Wash Riparian Stewardship Project Habitat Restoration AMA Planning Area Appendices Habitat Restoration & Revegetation Habitat Restoration & Revegetation Habitat Restoration & Revegetation 433 Arizona Water Atlas Volume 8 Santa Cruz AMA 54 95-018 Autecology and Restoration of Sporobolus Wrightii Riparian Grasslands in Southern Arizona Research Santa Cruz AMA 80 95-024 Potrero Creek Wetland Characterization and Management Plan Research Santa Cruz AMA 178 97-041 Altar Valley Watershed Resource Assessment Research Santa Cruz AMA 265 00-103 Riparian Restoration on the Santa Cruz River – Santa Fe Ranch Santa Cruz AMA 314 05-132 Esperanza Ranch Riparian Restoration Project Santa Cruz AMA 325 06-139 Coal Mine Fence 434 Fencing & Revegetation Fencing & Revegetation Fencing & Habitat Protection AMA Planning Area Appendices Arizona Water Atlas Volume 8 APPENDIX B AMA Planning Area Appendices 435 Arizona Water Atlas Volume 8 Appendix B:CAP Central Arizona Project Subcontracts SUBCONTRACTING STATUS October 5, 2009 REPORT CAP Non-Indian Municipal and Industrial Subcontracts NAME DATE ENTITLEMENT (acre-feet per year) Alderwoods (Arizona), Inc. Jan. 21, 2009 84 1/ Arizona-American Water Co. (Agua Fria) July 15, 1985 11,093 2/ Arizona-American Water Co. (Paradise Vly) July 12, 1985 3,231 3/ Arizona-American Water Co. (Sun City) Aug. 13, 1985 4,189 4/ Arizona-American Water Co. (Sun City West) June 19, 1999 2,372 5/ Arizona State Land Dept. Nov. 25, 1986 32,076 6/ Arizona Water Co. (Apache Jct.) March 15, 1985 6,000 Arizona Water Co. (Casa Grande) March 15, 1985 8,884 Arizona Water Co. (Coolidge System March 15, 1985 2,000 Arizona Water Co. (White Tank System) March 15, 1985 968 ASARCO Incorporated (Ray Mine) March 1, 1993 Avondale Dec. 6, 1984 AVRA Water Co-op, Inc. 21,000 7/ 5,416 8/ Nov. 13, 2007 808 9/ Buckeye Nov. 21, 1984 25 10/ Carefree Water Co. Jan. 2, 1990 1,300 11/ Cave Creek, Town of May 28, 1985 2,606 12/ 7,746 13/ Central Arizona Water Conservation District (for Central Arizona Groundwater Replenishment District) Chandler 436 Nov. 20, 1984 8,654 AMA Planning Area Appendices 1 Arizona Water Atlas Volume 8 NAME DATE ENTITLEMENT (acre-feet per year) Chandler Heights Citrus I.D. Jan. 24, 1985 315 Chaparral City Water Co. Oct. 2, 1984 8,909 14/ Circle City Water Co. Aug. 6, 1999 3,932 15/ Community Water Company Of Green Valley May 17, 1985 2,858 16/ El Mirage, City of July 19, 2007 508 Eloy Dec. 18, 1984 2,171 Florence Dec. 21, 1984 2,048 Flowing Wells Irrigation District June 19, 1985 4,354 Gilbert Jan. 22, 1985 7,235 Glendale, City of Oct. 25, 1984 17,236 19/ Goodyear Nov. 21, 1984 10,742 20/ Green Valley Domestic Water Improvement Dist. June 18, 1985 1,900 21/ H2O Water Co. Nov. 5, 2007 Marana, Town of April 6, 1999 47 Maricopa County Parks & Rec. April 8, 1993 665 Mesa, City of Oct. 25, 1984 43,503 24/ Metropolitan Domestic Water Improvement District May 8, 1998 13,460 25/ Oro Valley, Town of Jan. 18, 1997 10,305 26/ Peoria, City of Peoria Nov. 23, 1984 25,236 27/ Phelps Dodge Miami, Inc. March 1, 1993 2,906 28/ Phoenix, City of Oct. 25, 1984 122,120 29/ 17/ 18/ 147 22/ 23/ 2 AMA Planning Area Appendices 437 Arizona Water Atlas Volume 8 NAME DATE ENTITLEMENT (acre-feet per year) Aug. 6, 1999 161 30/ Queen Creek Water Company June 26, 1995 348 31/ Rio Verde Utilities, Inc. Sept .16, 1992 812 San Tan Irrigation District Dec. 11, 1984 236 Scottsdale, City of Oct. 15, 1984 52,810 32/ Spanish Trail Water Co. Nov. 16, 1990 3,037 33/ 285 34/ Pine Water Company Superior, Town of June 19, 2007 Surprise, City of Feb. 8, 1995 Tempe, City of Dec. 10, 1984 4,315 Tonto Hills Utility Co. July 20, 2001 71 36/ Tucson, City of Feb. 1, 1985 144,172 37/ Vail Water Company Dec. 27, 1984 1,857 38/ Valley Utilities Water Co. May 10, 2007 250 39/ Water Utilities Community Facilities District Aug. 7, 1996 2,919 40/ Water Utility of Greater Buckeye Sept. 24, 1987 43 41/ Water Utility of Greater Tonopah TOTAL: Sept. 24, 1987 64 620,678 42/ 10,249 35/ NOTES: 1 Formerly Phoenix Memorial Park Cemetery. Alderwoods (Arizona), Inc. acquired Phoenix Memorial Park's allocation of 84 acre-feet on December 22, 2008. 2 Formerly Agua-Fria (Citizens Utilities Company). Sun City Water Company (Citizens Utilities Company) transferred 9,654 acre-feet of its entitlement to Agua Fria. Agua Fria then transferred the entitlement to Arizona-American Water Company. 3 Arizona-American Water Company (Paradise Valley) formerly Paradise Valley Water Company. 438 3 AMA Planning Area Appendices Arizona Water Atlas Volume 8 4 Formerly Sun City Water Co. (Citizens Utilities Company) and Sun City Water Co. (Youngtown). Sun City Water Co. (Youngtown) acquired Youngtown’s CAP allocation of 380 acre-feet. Sun City Water Company previously assigned 2,372 acre-feet of its CAP water entitlement to Sun City West Utilities Company and 9,654 acre-feet to Agua Fria. Sun City Water Co. then transferred the remainder of its entitlement and the Sun City (Youngtown) entitlement to Arizona-American Water Company (Sun City). 5 Formerly Sun City West Utilities Company. Sun City Water Company assigned 2,372 acre-feet of its CAP water entitlement to Sun City West Utilities Company (SCWUC). SCWUC then transferred its entitlement to Arizona-American Water Co. (Sun City West). 6 This amount includes Amendment No. 1 to the Arizona State Land Department's (ASLD) CAP subcontract executed on March 12, 1997, decreasing its entitlement from 39,006 to 38,476 acre-feet per year in light of ASLD transferring 530 acre-feet of its CAP water entitlement to the City of Scottsdale. Amendment No. 2 to the ASLD's CAP subcontract executed on July 24, 1998, decreases its entitlement from 38,476 to 34,576 acre-feet per year in light of ASLD transferring an additional 3,900 acre-feet of its CAP water entitlement to the City of Scottsdale. Amendment No. 3 to the ASLD’s CAP subcontract executed on May 4, 2000, decreases its entitlement from 34,576 to 33,076 acre-feet per year in light of ASLD’s transferring 1,500 acre-feet of its CAP water entitlement to the City of Mesa. Amendment No. 4 to ASLD’s CAP subcontract decreases its entitlement from 33,076 to 32,076 acre-feet per year in light of ASLD’s transferring 1,000 acre-feet of its CAP water entitlement to the City of Peoria. 7 Figure for the year 2034. Includes allocation to Hayden Smelter. ASARCO elected to contract for 21,000 acre-feet of its original 22,610 acre-foot allocation of CAP water. 8 This amount includes Amendment No. 1 to Avondale's CAP subcontract executed on December 3, 1997, increasing Avondale's entitlement from 4,099 to 4,746 acre-feet per year in light of McMicken Irrigation District transferring 647 acre-feet of its CAP M&I water entitlement to Avondale. Amendment No. 2 to Avondale's CAP subcontract executed on January 5, 2005, increasing its entitlement from 4,746 to 5,416 acre-feet per year in light of Litchfield Park Service Co. transferring 670 acre-feet of its CAP M&I water entitlement to Avondale. 9 Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 808 acre-feet of previously uncontracted M&I water was reallocated to AVRA Cooperative. 10 Figure for the year 2034. 11 This amount includes Amendment No. 1 to Carefree Water Company’s CAP subcontract executed on July 20, 2001, increasing its entitlement from 400 to 1,300 acre-feet per year in light of BHP Copper Inc’s (formerly Cities Services Co. & Magma Copper Co.) transferring 900 acre-feet of its CAP M&I water entitlement to Carefree. 12 This amount includes Amendment No. 1 to Cave Creek Water Company’s CAP subcontract executed on September 7, 2006, increasing its entitlement from 1600 to 1800 acre-feet per year in light of Berneil Water Company transferring 200 acre-feet of its CAP M&I water entitlement to Cave Creek Water Company. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 806 acre-feet of previously uncontracted M&I water was reallocated to Cave Creek Water Company. The town of Cave Creek acquired the water utility assets of Cave Creek Water Company through a final Order of Condemnation on April 19, 2007. 2,606 acre-feet of Cave Creek Water Company's M&I entitlement was transferred to the town of Cave Creek effective December 22, 2008. 13 Amendment No. 1, Supplement No. 1 to Contract No. 14-06-W-245 was executed by the U.S. on August 14, 2007. CAP M&I water was assigned to CAWCD for CAGRD use by Litchfield Park Service Co. (4,760 acrefeet), New River Utility Co. (1,885 acre-feet), Sunrise Water Co. (944 acre-feet) and West End Water Co. (157 acre-feet). AMA Planning Area Appendices 4 439 Arizona Water Atlas Volume 8 14 Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 1,931 acre-feet of previously uncontracted M&I water was reallocated to Chaparral Water Company. 15 As part of a corporate restructuring, Brooke Water assigned its CAP water entitlement of 3,932 acre-feet to Circle City Water Company. The subcontract for Circle City was executed on December 17, 1999. Brooke Water originally acquired the entitlement from Consolidated Water Utilities (Maricopa) in 1996 through bankruptcy proceedings. 16 This amount includes Amendment No. 1 to Community Water Company of Green Valley's CAP subcontract executed on May 27, 1997, increasing its entitlement from 1,100 to 1,337 acre-feet per year in light of New Pueblo Water Company transferring its CAP water entitlement of 237 acre-feet to Community Water Company. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 1,521 acre-feet of previously uncontracted M&I water was reallocated to Community Water Company of Green Valley. 17 Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 508 acre-feet of previously uncontracted M&I water was reallocated to the town of El Mirage. 18 This amount includes Amendment No. 1 to the Town of Florence's CAP subcontract executed on February 2, 1995, increasing its entitlement from 1,641 to 2,048 acre-feet per year in light of Florence's acquisition of Arizona Sierra Utility Company's CAP water entitlement of 407 acre-feet. 19 This amount includes Amendment No. 1 to the City of Glendale's CAP subcontract executed on October 12, 1993, increasing its entitlement from 14,083 to 14,183 acre-feet per year in light of Glendale's assumption of 100 acre-feet of New River Utility's CAP entitlement. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 3,053 acre-feet of previously uncontracted M&I water was reallocated to the City of Glendale. 20 This amount includes Amendment No. 1 to the City of Goodyear's CAP subcontract executed on October 26, 1999, increasing its entitlement from 2,374 to 3,381 acre-feet per year in light of McMicken Irrigation District assigning 1,007 acre-feet of its CAP M&I entitlement to Goodyear; Amendment No. 2 to Goodyear's CAP subcontract executed on January 5, 2005, increasing its entitlement from 3,381 to 3,531 acre-feet per year in light of Litchfield Park Service Co. transferring 150 acre-feet of its CAP M&I water entitlement to Goodyear. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 7,211 acre-feet of previously uncontracted M&I water was reallocated to Goodyear. 21 Green Valley Domestic Water Improvement District was formerly Green Valley Water Co. 22 Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 147 acre-feet of previously uncontracted M&I water was reallocated to H2O Water Company. 23 The subcontract for Town of Marana was executed on October 12, 1999. The Town of Marana acquired Cortaro-Marana Irrigation District’s CAP allocation of 47 acre-feet. The Town of Marana in the process of acquiring 1,481 acre-feet of Flowing Wells Irrigation District's CAP allocation. Flowing Wells Irrigation District and the Town of Marana have executed a Partial Assignment of Rights and Assumption of Obligations of CAP M&I Water Service Subcontract for 1,481 acre-feet on October 7, 2008. 24 This amount includes Amendment No. 1 to the City of Mesa's CAP subcontract executed on October 9, 1986, increasing Mesa's entitlement from 20,129 to 29,527 acre-feet per year in light of Mesa's acquisition of the water utility systems of Desert Sage Water Company, Desert Sands Water Company, and Crescent Valley Utility Company; Amendment No. 2 to Mesa's CAP subcontract executed on August 22, 1991, increasing Mesa's entitlement from 29,527 to 33,459 acre-feet in light of Mesa's acquisition of Turner Ranches Water Co.; Amendment No. 3 to Mesa's CAP subcontract executed on November 17, 1993, increasing Mesa's entitlement from 33,459 to 34,292 acre-feet in light of Mesa's assumption of Williams Air Force Base's CAP allocation; Amendment No. 4 to Mesa's CAP subcontract executed on December 20, 1995, increasing Mesa's 440 5 AMA Planning Area Appendices Arizona Water Atlas Volume 8 entitlement from 34,292 to 34,888 acre-feet in light of Mesa's acquisition of 596 acre-feet of Queen Creek Irrigation District's CAP M&I allocation. Amendment No. 5 to Mesa’s CAP subcontract executed on May 4, 2000, increasing Mesa’s entitlement from 34,888 to 36,388 acre-feet in light of Mesa’s acquisition of 1,500 acre-feet of ASLD’s CAP water allocation. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 7,115 acre-feet of previously uncontracted M&I water was reallocated to the City of Mesa. 25 In September 1998, Tucson transferred 8,858 acre-feet to First Trust of Arizona (now US Bank Arizona) for the benefit of Metropolitan Domestic Water Improvement District (MDWID). That entitlement was transferred from the Trust to MDWID on March 1, 2004. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 4,602 acre-feet of previously uncontracted M&I water was reallocated to Metropolitan Water Improvement District. 26 On April 21, 1997, the Town of Oro Valley (Oro Valley) executed a subcontract for 1,652 acre-feet of CAP M&I water entitlement formerly held by Foothills Water Co. and later Canada Hills. In September 1998, the City of Tucson transferred 642 acre-feet to First Trust of Arizona (now US Bank Arizona) for the benefit of Oro Valley. That entitlement was transferred from the Trust to Oro Valley on March 31, 2003. In October 2003, Tucson transferred 4,454 acre-feet of its CAP water entitlement to Wells Fargo Bank Arizona as Trustee for Oro Valley. That entitlement was transferred from the Trust to Oro Valley on June 29, 2004. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 3,557 acre-feet of previously uncontracted M&I water was reallocated to the Town of Oro Valley. 27 This amount includes Amendment No. 1 to the City of Peoria's CAP subcontract executed on July 11, 1989, increasing Peoria's entitlement from 15,000 to 17,849 acre-feet per year in light of Peoria's condemnation of the water utility system of Clearwater Water Co.; Amendment No. 2 to Peoria's CAP subcontract executed on September 27, 1993, increasing Peoria's entitlement from 17,849 to 18,233 acre-feet per year which reflects Peoria's assumption of 374 acre-feet of New River Utility Co.'s CAP allocation; Amendment No. 3 to Peoria's CAP subcontract executed on April 10, 2000, increasing Peoria's entitlement from 18,223 to 18,709 acre-feet per year in light of Peoria's assumption of 486 acre-feet of McMicken Irrigation District's CAP M&I allocation; Amendment No. 4 to Peoria’s CAP subcontract executed on April 23, 2002, increasing Peoria’s entitlement from 18,709 to 19,709 acre-feet per year in light of Peoria’s assumption of 1,000 acre-feet of ASLD’s CAP M&I allocation. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 5,527 acre-feet of previously uncontracted M&I water was reallocated to the City of Peoria. 28 Figure for the year 2034. Formerly Inspiration Consolidated Copper Co. and Cyprus Miami Mining Corp. 29 This amount includes Amendment No. 1 to the City of Phoenix's CAP subcontract executed on February 19, 1998, increasing its entitlement from 113,882 to 113,914 acre-feet per year which reflects the transfer by Berneil Water Co. of 32 acre-feet of its CAP entitlement. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 8,206 acre-feet of previously uncontracted M&I water was reallocated to the City of Phoenix. 30 As part of a corporate restructuring, E&R Water Company has assigned its CAP water entitlement of 161 acrefeet to Pine Water Company. The subcontract for Pine Water Company was executed on December 23, 1999. E&R Water Company was formerly Pine Improvement Association. 31 By subcontract executed on December 20, 1995, Queen Creek Water Company has acquired 348 acre-feet of Queen Creek Irrigation District's CAP M&I water entitlement. On or about March 31, 2008, the Town of Queen Creek acquired the water utility assets of Queen Creek Water Company pursuant to Arizona Corporation Commission Decision and Order No. 70204. Queen Creek Water Company is in the process of assigning its entitlement of 348 acre-feet to the Town of Queen Creek. On April 6, 2009, Queen Creek Water Company and the Town of Queen Creek executed an Assignment of Rights and Assumption of Obligations of CAP M&I Water Service Subcontract. AMA Planning Area Appendices 6 441 Arizona Water Atlas Volume 8 32 The City of Scottsdale's original CAP allocation and subcontract was for 19,702 acre-feet. Amendment No.1 to Scottsdale's CAP subcontract was executed on December 12, 1990, and increased Scottsdale's entitlement to 20,488 acre-feet per year in light of Scottsdale's acquisition of the water utility systems of Ironwood Water Company and North Valley Water Company. Amendment No. 2 to Scottsdale's CAP subcontract was executed on August 20, 1993, and increased Scottsdale's entitlement to 21,442 acre-feet per year in light of Scottsdale's acquisition of Carefree Ranch Water Co. Amendment No. 3 to Scottsdale's CAP subcontract was executed on January 21, 1994, and increased Scottsdale's entitlement to 26,437 acre-feet per year in light of Scottsdale's acquisition of the Town of Payson's CAP entitlement. Amendment No. 4 to Scottsdale's CAP subcontract was executed on December 8, 1994, and increased Scottsdale's entitlement to 26,576 acre-feet per year in light of Scottsdale's acquisition of Desert Ranch Water Co. Amendment No. 5 to Scottsdale's CAP subcontract was executed on September 27, 1996, and increased Scottsdale's entitlement to 34,203 acre-feet per year in light of Scottsdale's acquisition of the CAP entitlements of the City of Prescott (7,127 acre-feet) and the Yavapai-Prescott Indian Tribe (500 acre-feet). Scottsdale does not pay M&I capital charges to CAWCD forthe 500 acre-feet assigned by the Yavapai-Prescott Indian Tribe, and that water is still considered Indian water for purposes of determining the allocation and repayment of CAP costs. The total allocation shown in this section of the report represents M&I water only and does not include the 500 acre-feet received from Yavapai-Prescott Indian Tribe. Amendment No. 6 to Scottsdale's CAP subcontract was executed on September 27, 1996, and increased Scottsdale's entitlement to 36,886 acre-feet per year in light of Scottsdale's acquisition of the CAP entitlement of Rio Rico Utilities, Inc. Amendment No. 7 to Scottsdale's CAP subcontract was executed on March 12, 1997, and increased Scottsdale's entitlement to 36,916 acre-feet per year in light of Scottsdale's acquisition of 530 acre-feet from Arizona State Land Department. Amendment No. 8 to Scottsdale's CAP subcontract was executed on March 12, 1997, and increased Scottsdale's entitlement to 41,197 acre-feet per year in light of Scottsdale's acquisition of the CAP entitlements of the City of Nogales (3,949 acre-feet) and Mayer Domestic Water Improvement District (332 acre-feet). Amendment No. 9 to Scottsdale's CAP subcontract was executed on April 29, 1998, and increased Scottsdale's entitlement to 41,397 acre-feet per year in light of Scottsdale's acquisition of 200 acre-feet from Berneil Water Co. Amendment No. 10 to Scottsdale's CAP subcontract was executed on July 24, 1998, and increased Scottsdale's entitlement to 45,297 acre-feet per year in light of Scottsdale's acquisition of an additional 3,900 acre-feet from Arizona State Land Department. Amendment No. 11 to Scottsdale’s CAP subcontract was executed on August 24, 1998, and increased Scottsdale’s entitlement to 48,529 acre-feet per year in light of Scottsdale’s acquisition of Camp Verde's CAP allocation of 1,443 acre-feet and Cottonwood's CAP allocation of 1,789 acre-feet. Amendment No. 12 to Scottsdale’s CAP subcontract was executed on September 13, 2001, and increased Scottsdale’s entitlement to 49,829 acre-feet per year in light of Scottsdale’s acquisition of 1,300 acre-feet of BHP Copper Inc’s (formerly Cities Services Co. & Magma Copper Co.) CAP water entitlement. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 2,981 acre-feet of previously uncontracted M&I water was reallocated to the City of Scottsdale. 33 Formerly Ranchlands, Inc. 34 Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 285 acre-feet of previously uncontracted M&I water was reallocated to the Town of Superior. 35 By subcontract executed on November 1, 1996, the City of Surprise acquired 7,373 acre-feet of CAP M&I water from McMicken Irrigation District. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 2,876 acre-feet of previously uncontracted M&I water was reallocated to the City of Surprise. 36 By subcontract executed on July 20, 2001, Tonto Hills acquired 71 acre-feet of CAP M&I water from BHP Copper Inc. (formerly Cities Services Co. & Magma Copper Co.). 37 The City of Tucson’s original CAP allocation and subcontract was for 148,420 acre-feet. Amendment No. 1 to Tucson’s subcontract executed on September 28, 1998, decreased Tucson’s entitlement to138,920 acre-feet per year after Tucson transferred 9,500 acre-feet to First Trust of Arizona (now US Bank Arizona) for the benefit of Metropolitan Domestic Water Improvement District (MDWID) and the Town of Oro Valley (Oro Valley). Amendment No. 2 to Tucson's subcontract, executed on October 28, 2003, decreased Tucson's entitlement from 138,920 to 134,466 acre-feet per year in light of Tucson's transfer of 4,454 acre-feet to Wells 442 7 AMA Planning Area Appendices Arizona Water Atlas Volume 8 Fargo Bank Arizona, as Trustee for Oro Valley. Amendment No. 3 to Tucson's subcontract, executed on February 10, 2004, increased Tucson's entitlement from 134,466 to 135,966 acre-feet per year in light of Midvale Farms Water Co. transferring its CAP water entitlement of 1,500 acre-feet to Tucson. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 8,206 acre-feet of previously uncontracted M&I water was reallocated to the City of Tucson. 38 Vail Water Company formerly Del Lago Water Company. Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 1,071 acre-feet of previously uncontracted M&I water was reallocated to Vail Water Company. 39 Pursuant to Sec. 104(b)(1) of the Arizona Water Settlements Act of 2004, Pub. L. 108-451, 250 acre-feet of previously uncontracted M&I water was reallocated to the Valley Utilities Water Company. 40 In 1997, Water Utilities Community Facilities District (Apache Junction) acquired the Consolidated Water Utilities (Pinal County) entitlement through bankruptcy proceedings. This allocation was formerly held by Palm Springs Water Company. 41 Formerly West Phoenix Water Company. Water Utility of Greater Buckeye is in the process of transferring its CAP allocation to Valencia Water Company. Water Utility of Greater Buckeye and Valencia executed an Assignment of Rights and Assumption of Obligations on April 30, 2009. 42 Formerly Sunshine Water Company. AMA Planning Area Appendices 8 443 Arizona Water Atlas Volume 8 CAP Non-Indian Agricultural Subcontracts NAME ENTITLEMENT __ acre-feet___ Arizona State Land Department 9,026 1/ NOTES: 1 This entitlement was originally part of MSIDD’s CAP subcontract. The CAP subcontract with Arizona State Land Department is pending and is subject to the satisfaction of certain specified conditions, including the ultimate effectiveness of the Arizona Water Settlement Agreement and Arizona Water Settlements Act. COMMENTARY: In 1983-1984, CAWCD and the United States entered into non-Indian agricultural subcontracts with nine irrigation districts: Central Arizona Irrigation and Drainage District (CAIDD); Chandler Heights Citrus Irrigation District (CHCID); Harquahala Valley Irrigation District (HVID); Hohokam Irrigation and Drainage District (HIDD); Maricopa-Stanfield Irrigation & Drainage District (MSIDD); New Magma Irrigation and Drainage District (NMIDD); Queen Creek Irrigation District (QCID); San Tan Irrigation District (STID); and Tonopah Irrigation District (TID). CAIDD, CHCID, QCID, STID, and TID have agreed conditionally to relinquish their full CAP subcontract entitlements in accordance with the Arizona Water Settlement Agreement, subject to the satisfaction of certain specified conditions. MSIDD similarly agreed to relinquish its CAP subcontract entitlement, but has designated 9,026 acre-feet for the benefit of the Arizona State Land Department in accordance with the Arizona Water Settlement Agreement. The NMIDD subcontract was terminated in bankruptcy proceedings in 1995. The cities of Chandler, Mesa, Phoenix and Scottsdale acquired the HIDD subcontract entitlement in 1992 as a replacement for the water supply that would have been developed by Cliff Dam. The United States acquired the HVID subcontract entitlement under the Fort McDowell Indian Community Water Rights Settlement Act of 1990 and conveyed a portion of that entitlement to the Fort McDowell Indian Community. (See note 2 on page 9.) The Secretary has retained the remainder of the HVID entitlement for future Indian settlements. (See note 1 on page 13.) In 1991, CAWCD and the United States entered into a non-Indian agricultural subcontract with Roosevelt Water Conservation District (RWCD), which was never validated. In 1992, RWCD entered into an agreement with the United States and the Gila River Indian Community to relinquish its CAP subcontract entitlement for the benefit of the Community. (See note 3 on page 10.) 444 9 AMA Planning Area Appendices Arizona Water Atlas Volume 8 CAP Indian Contracts NAME INTENDED USE ENTITLEMENT (acre-feet per year) Irrigation Camp Verde (Yavapai-Apache) Tribal Homeland 1,200 Fort McDowell Indian Community Tribal Homeland 18,233 2/ Gila River Indian Community Irrigation 311,800 3/ Pascua Yaqui Tribe Tribal Homeland Salt River Pima-Maricopa Indian Community Irrigation 13,300 San Carlos-Apache Tribe Irrig. & Tr. Homeland 61,645 4/ Tohono O'Odham Nation (formerly Papago Tribe) Chui Chu San Xavier Schuk Toak Irrigation Tribal Homeland Tribal Homeland 8,000 50,000 16,000 5/ Tribal Homeland 128 555,806 Tonto-Apache Tribe TOTAL: 75,000 1/ Ak-Chin Indian Community 500 6/ NOTES: 1 The Ak-Chin Indian Community was allocated 58,300 acre-feet in 1983. Under the Ak-Chin Indian Community Water Rights Settlement Act of 1984, Pub. L. 98-530, the United States acquired 50,000 acrefeet (before losses) of Colorado River water from the Yuma-Mesa Division of the Gila Project, which was added to the CAP supply. Under the 1984 settlement, the Ak-Chin Indian Community is entitled to delivery of 75,000 acre-feet in a normal Colorado River water year, 85,000 acre-feet in a surplus year, and not less than 72,000 acre-feet in a shortage year. That obligation is met using first the former Yuma-Mesa water (quantified at 47,500 acre-feet after system losses) and thereafter as much of the original Ak-Chin allocation as is needed (27,500 acre-feet in a normal year). Whatever portion of the original Ak-Chin CAP allocation is not needed to satisfy delivery obligations to the Ak-Chin Indian Community (30,800 acre-feet in a normal year) is available for delivery to the San Carlos Apache Tribe (see note 3 below). 2 The Fort McDowell Indian Community was allocated 4,300 acre-feet in 1983. The Fort McDowell Indian Community Water Rights Settlement Act of 1990, Pub. L. 101-628, authorized the Secretary of the Interior to acquire the CAP non-Indian agricultural entitlement of the Harquahala Valley Irrigation District (originally 7.67% of the available agricultural supply) and convert it to 33,251 acre-feet of CAP Indian priority water. The Fort McDowell Indian Community received 13,933 acre-feet of the former HVID entitlement; the Gila River Indian Community received 18,100 acre-feet, and the remaining 1,218 acre-feet may only be used to settle water rights claims of other Indian tribes having claims to the water in the Salt and Verde River system. AMA Planning Area Appendices 10 445 Arizona Water Atlas Volume 8 3 The Gila River Indian Community was allocated 173,100 acre-feet of irrigation water in 1983. Under an August 7, 1992 agreement among RWCD, the United States, and the Gila River Indian Community, RWCD purportedly relinquished the remainder of its CAP entitlement for the use and benefit of GRIC. The relinquished entitlement was quantified as 18,600 acre-feet and reallocated to the Community under §204(b)(1)(A) of the Arizona Water Settlements Act, Pub. L. 108-451. The Act also reallocated to the Community 18,100 acre-feet of the former HVID entitlement and 102,000 acre-feet of non-Indian agricultural priority water relinquished pursuant to the Arizona Water Settlement Agreement. See Pub. L. 108-451, §§204(b)(1)(B) and 204(b)(1)(D). 4 The San Carlos Apache Tribe was allocated 12,700 acre-feet in 1983. Of that total, 2,700 acre-feet was designated as irrigation water and 10,000 acre-feet was designated as tribal homeland water. Under the San Carlos Apache Tribe Water Rights Settlement Act of 1992, Title 37 of Pub. L. 102-575, the Secretary reallocated to the San Carlos Apache Tribe 14,665 acre-feet of CAP M&I water originally allocated to the Phelps Dodge Corporation, 3,480 acre-feet of CAP M&I water originally allocated to the City of Globe, and the portion of the original Ak-Chin CAP allocation not needed to meet delivery obligations to the Ak-Chin Indian Community (see note 1 above). In a normal water supply year on the Colorado River—i.e., when no more than 27,500 acre-feet of the original Ak-Chin allocation is needed for delivery to the Ak-Chin Indian Community—the San Carlos Apache Tribe allocation is 61,645 acre-feet. The former Phelps Dodge water and the former Globe water retain their original M&I CAP priority. 5 San Xavier was originally allocated 27,000 acre-feet and received an additional 23,000 acre-feet of nonIndian agricultural priority water relinquished pursuant to the Arizona Water Settlement Agreement. See §306(a)(1) of the Southern Arizona Water Rights Settlement Amendments Act of 2004 (Title 3 of the Arizona Water Settlements Act, Pub. L. 108-451). 6 Schuk Toak was originally allocated 10,800 acre-feet and received an additional 5,200 acre-feet of non-Indian agricultural priority water relinquished pursuant to the Arizona Water Settlement Agreement. See §306(a)(2) of the Southern Arizona Water Rights Settlement Amendments Act of 2004 (Title 3 of the Arizona Water Settlements Act, Pub. L. 108-451). 446 11 AMA Planning Area Appendices Arizona Water Atlas Volume 8 Other Currently Uncontracted Water NAME ENTITLEMENT acre-feet per year 1,218 1/ 154,569 155,787 2/ Former Harquahala Valley Irrigation District Non-Indian agricultural priority water TOTAL: NOTES: 1 The Fort McDowell Indian Community Water Rights Settlement Act of 1990, Pub. L. 101-628, authorized the Secretary of the Interior to acquire the CAP non-Indian agricultural entitlement of the Harquahala Valley Irrigation District (originally 7.67% of the available agricultural supply) and convert it to 33,251 acre-feet of CAP Indian priority water. The Fort McDowell Indian Community received 13,933 acre-feet of the former HVID entitlement and the Gila River Indian Community received 18,100 acre-feet. The remaining 1,218 acrefeet is currently uncontracted and may only be used to settle water rights claims of other Indian tribes having claims to the water in the Salt and Verde River system. 2 Water conditionally relinquished by non-Indian agricultural subcontractors pursuant to the Arizona Water Settlement Agreement. Of the total, 67,300 acre-feet is reserved for reallocation to Arizona Indian tribes to facilitate future Indian water rights settlements, Pub. L. 108-451, §104(a)(1)(A)(iii), and 87,269 acre-feet will be available for future reallocation to M&I water users pursuant to Pub. L. 108-451, §104(a)(2). AMA Planning Area Appendices 12 447 Arizona Water Atlas Volume 8 Other Project Water Under Contract NAME ENTITLEMENT acre-feet per year Former Hohokam Irrigation District 47,303 1/ Former Wellton-Mohawk Irrigation and Drainage District 20,900 2/ 5,000 3/ 500 73,703 4/ Former Roosevelt Water Conservation District Former Yavapai-Prescott Indian Tribe TOTAL: NOTES: 1 In 1992, four Valley cities acquired the non-Indian agricultural (NIA) entitlement of Hohokam Irrigation District—originally 6.36% of the available agricultural supply—as a replacement for the water supply those cities would have received from Cliff Dam, had it been constructed. As part of the Arizona Water Settlement Agreement, the former HID entitlement has been quantified at 47,303 acre-feet. The water will retain its NIA priority through 2043, after which it will convert to M&I priority. The four Valley cities and their respective entitlements are: Chandler, 2,952 acre-feet; Mesa, 4,924 acre-feet; Phoenix, 36,144 acre-feet; and Scottsdale, 3,283 acre-feet. 2 As part of the Salt River Pima-Maricopa Indian Community Water Rights Settlement, the United States acquired 22,000 acre-feet of Colorado River water from the Wellton-Mohawk Irrigation and Drainage District for delivery through the CAP. The former Wellton-Mohawk entitlement is a diversion right measured at the Colorado River and is assessed its share of CAP system losses to arrive at a delivery volume. For CAP contract accounting purposes, the entitlement is nominally quantified as 20,900 acre-feet deliverable at CAP turnouts. The former Wellton-Mohawk water is considered “project water” and was contracted to various Valley cities in exchange for water from the Salt River system delivered to SRPMIC. The Valley cities and their respective entitlements (based on a 22,000 acre-foot total diversion right) are: Chandler, 4,278 acrefeet; Gilbert, 6,762 acre-feet; Glendale, 3,000 acre-feet; Mesa, 2,760 acre-feet; Phoenix, 5,000 acre-feet; Scottsdale, 100 acre-feet; and Tempe, 100 acre-feet. 3 As part of the Salt River Pima-Maricopa Indian Community Water Rights Settlement, 5,000 acre-feet of nonIndian agricultural water originally allocated to Roosevelt Water Conservation District was made available to various Valley cities as follows: Chandler, 972 acre-feet; Gilbert, 1,537 acre-feet; Glendale, 682 acre-feet; Mesa, 627 acre-feet; Phoenix, 1,136 acre-feet; Scottsdale, 23 acre-feet; and Tempe, 23 acre-feet. 4 In accordance with the Yavapai-Prescott Indian Tribe Water Rights Settlement Act of 1994, Pub. L. 103-434, the Yavapai-Prescott Indian Tribe assigned its entitlement to the City of Scottsdale. The water retains its original Indian CAP priority. \\ocotillo\users\cvisconti\My Documents\Subcontracting Status Report\SubcontractStatusReport 10-05-09.doc 448 13 AMA Planning Area Appendices Arizona Water Atlas Volume 8 APPENDIX C AMA Planning Area Appendices 449 Arizona Water Atlas Volume 8 APPENDIX C SURFACE WATER RIGHT AND ADJUDICATION FILINGS Surface water is defined in Arizona as “waters of all sources, flowing in streams, canyons, ravines or other natural channels, or in definite underground channels, whether perennial or intermittent, floodwaters, wastewaters, or surplus water, and of lakes, ponds and springs on the surface” (A.R.S. § 45-101). In 1864, the first territorial legislature of Arizona adopted the doctrine of prior appropriation to govern the use of surface water. The doctrine is based on the tenet of “first in time, first in right” which means that the person who first puts the water to beneficial use acquires a right that is superior to later appropriators of the water. Since the population and water use were both relatively small at that time, no method was initially specified by the legislature for filing surface water right claims or granting rights. By the late 1800s, rapid development of irrigated agriculture combined with drought years had resulted in severe water shortages along the Salt and Gila Rivers. The territorial legislature responded in 1893 with a requirement that new water appropriations be posted at the point of diversion. However, until 1919, a person could acquire a surface water right simply by applying the water to beneficial use and recording a notice of appropriation at the state and county recorder’s office. There still was not a mechanism for granting surface water rights (ADWR, 1992). On June 12, 1919, the state legislature enacted a surface water code. Now known as the Public Water Code, the law generally requires that a person apply for and obtain a permit in order to appropriate surface water. There is an exception for water use from the mainstem of the Colorado River, which requires a contract with the Secretary of the Interior. In addition, most persons claiming surface water rights prior to the code have been required to file a statement of claim under the Water Rights Registration Act of 1974, although the act did not provide a process for determining the validity of these claims. The legislature also enacted the Stockpond Registration Act in 1977 to recognize certain unpermitted stockponds constructed after 1919 that had not gone through the application process. The Public Water Code provides that beneficial use shall be the basis, measure and limit to the use of water within the state. Beneficial uses are domestic (which includes the watering of gardens and lawns not exceeding one-half acre), municipal, irrigation, stockwatering, water power, recreation, wildlife including fish, nonrecoverable water storage, and mining uses (A.R.S. § 45-151(A)). The quantity of water that is reasonable for a particular beneficial use depends on a number of factors, including the location of the use. The Department maintains a registry of surface water right applications and claims filed in Arizona since the Public Water Code was enacted. Each filing is assigned a unique number with one of the following prefixes ●● “3R” – application to construct a reservoir filed before 1972; ●● “4A” – application to appropriate surface water filed before 1972; ●● “33” – application for permit to appropriate public water or construct a reservoir filed after 1972. In addition to surface water diversions and reservoirs, instream flow maintenance 450 AMA Planning Area Appendices Arizona Water Atlas Volume 8 can be applied for and is defined as a surface water right that remains in-situ or “in-stream”, is not physically diverted or consumptively used, and is for maintaining the flow of water necessary to preserve wildlife, including fish, and/or recreation; ●● “36” – statement of claim of rights to use public waters of the state. To make this claim, an applicant or predecessor-in-interest must have initiated a water use based on state law before March 17, 1995; ●● “38” – claim of water right for a stockpond and application for certification filed for stockponds constructed after June 12, 1919 and before August 27, 1977. To file this claim and application, the stockpond should have been used exclusively for watering of livestock and/or wildlife, have a maximum capacity of 15 acre-feet, and not be subject to water rights litigation or protests prior to August 27, 1977; ●● “39” – statement of claimant filed in The General Adjudication of the Gila River System and Source (Gila Adjudication) and The General Adjudication of the Little Colorado River System and Source (LCR Adjudication). As explained further below, the Department maintains a separate registry of these filings on behalf of the Superior Court of Arizona; and, ●● “BB” – decreed water rights determined through judicial action in state or federal court. These filings specify the source of water, its point of diversion (POD) and place of use (POU), the type and quantity of water use, and date of first use or priority. If, after moving through a number of administrative steps, an application to appropriate surface water or construct a reservoir (3R, 4A, or 33) is determined to be for beneficial use and not conflict with vested rights or be a menace to public safety or against the interests and welfare of the public, it may be approved and the applicant issued a permit to appropriate. The permit allows the permit holder to construct diversion works, as needed, and put the water to beneficial use. If the terms of the permit are met, the applicant can submit proof of appropriation through an application of certification and may be issued a Certificate of Water Right (CWR). The CWR has a priority date that relates back to the date of application and is evidence of a perfected surface water right that is superior to all other surface water rights with a later priority date, but junior to all rights with an earlier (older) priority date. The CWR also specifies the extent and purpose of the right and may be subject to abandonment and forfeiture if not beneficially used. There are currently approximately 850 applications to appropriate pending with ADWR, and approximately 420 permits and over 7,000 certificates have been issued by ADWR or its predecessors. A CWR may also be issued based on a stockpond claim (38) if it is found that the facts stated in the claim are true and entitle the claimant to a water right for the stockpond. The priority date depends on the date that the owner of the stockpond filed the claim. If filed prior to March 17, 1996, the priority date is the date of construction. Otherwise, the priority date is the date of filing the claim. Regardless of the date, the CWR for a stockpond claim is junior to (a) Colorado River and other court decreed rights; (b) other rights acquired prior to June 12, 1919 and registered as a statement of claim; and (c) any other CWR issued pursuant to an application filed before August 27, 1977. To date, nearly 20,000 stockpond claims have been filed of which over 3,000 stockpond certificates have been issued by ADWR or its predecessors. Unlike a CWR, the act of filing a statement of claim (36) does not in itself create a water right, nor does it constitute a judicial determination of the claim. Statements of claim are subject to AMA Planning Area Appendices 451 Arizona Water Atlas Volume 8 challenge, but can be admitted “in evidence as a rebuttal presumption of the truth and accuracy of the information contained in the claim” (A.R.S. § 45-185). To date, nearly 30,000 statements of claim have been filed in Arizona. In addition to the applications and claims described above, ADWR’s registry of surface water right filings includes several rights determined through judicial action in state or federal court. These ‘adjudications’, in which a water right is determined by court action, may be initiated when one or more water users seek to know how their rights compare to the rights of other water users and/ or seek judicial relief from alleged interference with their rights by other water users. The court process establishes or confirms the validity of surface water rights and claims, determines whether these have been properly maintained over the years, and ranks them according to their priority. The result is a decree that may, in addition to establishing and confirming rights, specifies terms under which the decreed rights may be exercised if water shortages occur. Court decreed rights are considered the most valued or certain surface water rights because in the absence of abandonment or forfeiture, they are normally accepted as to their validity. More than 1,000 court-decreed rights are listed in ADWR’s registry and given the prefix “BB”. Further discussion of the major court decrees is provided in Volume 1. Although several surface water uses have been decreed, many claims and rights established before and after statehood have still not been examined to see if they remain valid. In addition, many water rights established under federal law and claimed by Indian tribes and the United States have not been quantified or prioritized. To better manage water resources in the state, these diverse rights and claims have been joined into large, comprehensive determinations. Arizona currently has two general stream adjudications – the Gila Adjudication and the LCR Adjudication. The purpose of these judicial proceedings is to determine the nature, extent, and priority of water rights across the entire river systems. In addition to confirming existing statebased surface water rights, the adjudications will quantify and prioritize reserved water rights for Indian and non-Indian federal lands. The latter include military bases, national parks and monuments, and national forests. The adjudications will also determine which wells are pumping appropriable underground water (subflow) and therefore are subject to the jurisdiction of the court. The Gila and LCR Adjudications are being conducted in the Superior Court of Arizona in Maricopa and Apache Counties, respectively. ADWR provides technical, legal and administrative support to the adjudication court, as described in A.R.S. § 45-256. The Gila Adjudication was initiated in 1974 when SRP filed a petition to determine the water rights in the Salt River Watershed above the Granite Reef Diversion. Since that time, the adjudication area has grown and now covers over 53,000 square miles. It is divided into 7 watersheds and includes 12 Indian reservations and over 24,000 parties. The LCR Adjudication was initiated by a petition filed by Phelps Dodge in 1978. This adjudication now covers 27,000 square miles and includes 3 watersheds, 5 Indian reservations, and over 3,000 parties. A party is a person or entity that has filed one or more statement of claimant (SOC) in the adjudication. All parties who claim to have a water right within the river systems are required to file an SOC or risk the loss of their right. Well owners are also encouraged to file an SOC since the adjudication process may include water use from a well depending on the well’s location relative to streams and 452 AMA Planning Area Appendices Arizona Water Atlas Volume 8 other factors. However, a person Figure C-1 General Stream Adjudications in Arizona does not obtain a right to use water by filing an SOC nor is an SOC a legal permit to use water. Rights to use water must be acquired in accordance with state or federal law. Each year, ADWR sends summons to new surface water appropriators and well owners in the adjudication areas that direct them to file an SOC. In response, the number of SOCs filed in the adjudications continues to increase as new water uses are initiated. To date, nearly 81,000 SOCs have been filed in the Gila Adjudication and over 14,000 SOCs have been filed in the LCR Adjudication. ADWR maintains a separate registry of these adjudication filings on behalf of the Superior Court and assigns each a unique number with the prefix “39”. Table C-1 summarizes the number of surface water right and adjudication filings for each planning area. The table was generated by querying ADWR’s surface water right and SOC registries in February 2009. Files are only counted in the table if they include sufficient locational information (Township, Range, and Section) to allow a POD and/or POU to be mapped within the planning area. If a file lists more than one POD or POU in a planning area, it is only counted once in the table for that planning area. However, no attempt was made to avoid counting multiple filings for the same POD/POU which can result if a landowner or lessee has two or more filings or if different applicants each have at least one filing. Since many SOCs list surface water right filings as their basis of claim, multiple filings are common and account, in part, for the large number of filings. Sorting through multiple filings is one of the challenges facing the Department and the adjudication courts. Results from the Department’s investigation of surface water right and adjudication filings are presented in Hydrographic Survey Reports (HSRs). Figure C-2 shows the location of surface water diversion points listed in the Department’s surface water rights registry. The numerous points mapped reflect the relatively large number of stockponds and reservoirs that have been constructed across the state as well as diversions from streams and springs. Locations for registered wells, many of which are referenced as the basis of claim in SOCs, are also shown in Figure C-2. Instream flow filings are not shown as these filings do not have points of diversion. AMA Planning Area Appendices 453 Arizona Water Atlas Volume 8 1 Table of Surface Water RightRight and Adjudication Filings by Planning TableC-1 C-1Count Count of Surface Water and Adjudication Filings by Area Planning Area1 TYPE OF FILING PLANNING AREA TOTAL BB2 3R3 4A3 333 364 385 396 Eastern Plateau 134 163 196 373 3,289 3,275 12,099 19,529 Southeastern 483 395 716 898 8,288 6,415 19,288 36,483 Upper Colorado River 0 224 329 469 2,858 2,084 0 5,964 Central Highlands 1 287 625 897 8,517 3,928 25,443 39,698 Western Plateau 0 415 207 554 1,177 1,270 324 3,947 Lower Colorado River 0 26 48 86 355 304 2,323 3,142 Active Management Areas 1 269 341 687 4,072 2,913 27,134 35,417 Total 619 1,779 2,462 3,964 28,556 20,189 86,611 144,180 Notes: 1 Based on a query of ADWR's surface water right and adjudication registries in February 2009. A file is only counted in this table if it provides sufficient information to allow a Point of Diversion (POD) and/or Place of Use (POU) to be mapped within the planning area. If a file lists more than one POD or POU in a given planning area, it is only counted once in the table for that planning area. Several surface water right and adjudication filings are not counted here due to unsufficient locational information. However, multiple filings for the same POD/POU are counted. 2 Court decreed rights; not all of these rights have been identified and/or entered into ADWR's surface water rights registry. 3 Application to construct a reservoir, filed before 1972 (3R); application to appropriate surface water, filed before 1972 (4A); and application for permit to appropriate public water or construct a reservoir, filed after 1972 (33). 4 Statement of claimant of rights to use public waters of the state, filed pursuant to the Water Rights Registration Act of 1974. 5 Claim of water right for a stockpond and application for certification, filed pursuant to the Stockpond Registration Act of 1977. 6 Statement of claimant, filed in the Gila or LCR General Stream Adjudications. 454 AMA Planning Area Appendices Arizona Water Atlas Volume 8 AMA Planning Area Appendices 455 Arizona Water Atlas Volume 8 456 AMA Planning Area Appendices