HYDROLOGIC DATA REPORT VOLUME II - SURFACE WATER STREAMFLOW DATA WATER YEAR 2008 Waterman Wash, looking downstream from Rainbow Valley Road (#6833) PREFACE This publication presents the surface water data collected by the Flood Control District of Maricopa County's automated water-level gage network. This telemetered network is located primarily throughout Maricopa County, Arizona with additional gages in Yavapai, Pinal, and La Paz Counties. The surface water data contained in this report were collected, compiled and edited by the Flood Warning Branch of the Engineering Division. Data include mean daily, total, maximum, and minimum discharges at the flow sites; mean daily, maximum, and minimum pool levels at the storage locations; and mean daily, maximum, and minimum volumes stored at the storage locations. Also included are maximum discharges, pool levels, and storage volumes for flood events of interest at each site. Additionally, following the annual data is one or two graphics representing the runoff/impound history for the station and, when available, a graphic of the flood flow frequency with annual maximums. Flood flow frequency graphics are provided for informational purposes only and should not be used for regulatory purposes. The information contained herein is as accurate and complete as possible within the limitations of real-time data collection technology currently available. Wherever possible, notes have been included to identify questionable data. Reliance upon the accuracy, reliability, and authority of this information is solely the responsibility of the user. Revisions to any of these data for any reason will be published in the following years’ reports immediately following the data for the current year for the site where the revisions have been made. Copies of this report may be purchased from: Flood Control District of Maricopa County 2801 W. Durango Street Phoenix, Arizona 85009 (602) 506-1501 ii TABLE OF CONTENTS Preface .........................................................................................................ii Contents ...................................................................................................... iii Introduction .................................................................................................iv Definition of Terms ..................................................................................... viii Surface Water Gage Location Map................................................................. xii List of New Gage Locations in Water Year 2008 ............................................ xiii List of Stations Sorted By Sensor ID#............................................................ xv List of Stations Sorted By Name ................................................................... xix Summary of Significant Streamflow Events ..................................................xxiii Surface Water Streamflow and Storage Facility Discharge Data .................Part 1 Pool Levels at Storage Facilities (Reservoir Depths) ..................................Part 2 Storage Volumes at Storage Facilities .......................................................Part 3 iii INTRODUCTION The Flood Control District of Maricopa County in cooperation with federal, state, and local agencies collects a large amount of data pertaining to surface water runoff in and around Maricopa County. These data provide a valuable resource for information not otherwise furnished by the traditional sources of this type of material. To make these data readily available to interested parties outside the Flood Control District, the data are published annually in this report entitled "Annual Hydrologic Data Report, Volume II -- Surface Water Data." On-line users of this document have additional resources available by selecting hyperlinks. Gage names will link to the web page for that streamgage. Other hyperlinks will link within the document. This report includes records on discharge at stream gages and at flood control storage structures, on depths at flood control storage structures, and on contents at flood control storage structures. Specifically it contains: (1) Streamflow records at 112 stream gages and 39 flood control storage structures; (2) Pool levels of stored water at 44 flood control storage structures; and (3) Storage volumes at 44 flood control storage structures where stage-storage relationships are available. Records included are only averages of data collected at each site during this water year. Several streamflow gages are operated cooperatively between the FCDMC and the United States Geological Survey (USGS). Although real-time data for these sites are collected by the FCDMC ALERT System for the purposes of flood event monitoring, quality control for the data at these gages lies with the USGS. The official records for these sites are published in the USGS Surface Water Data Reports each water year or for current data go to http://az.water.usgs.gov/. The cooperative gages collected jointly for Water year 2008 were: USGS Gage Name FCDMC ID Gila River near Maricopa, AZ* Salt River at Priest Drive Cave Cr. below Cottonwood Cr. Skunk Creek near Phoenix, AZ Gila River @ Estrella Parkway Hassayampa River nr Morristown Centennial Wash at SPRR *Gage is a cooperative between ADOT and USGS. 0788 4523 4923 5568 6853 5223 5103 USGS ID 09479350 09512165 09512280 09513860 09514100 09516500 09517490 There are three additional continuous cooperative gages which the USGS operates, but are not ALERT equipped. iv Gage Site Name Indian Bend Wash at Curry Drive, Tempe New River near Rock Springs Hassayampa River near Arlington USGS ID Number 09512162 09513780 09517000 In addition to the continuous cooperative stations, the FCDMC also cooperates with the USGS in the collection of peak discharges at a number of crest stage gage sites. The data for these crest stage gage sites are also published by the USGS in its Surface Water Data Reports each water year. The cooperative crest-stage gage sites for Water Year 2008 were: Gage Site Name USGS ID Vekol Wash near Stanfield, AZ Tortilla Creek at Tortilla Flat Camp Creek near Sunflower Rock Creek near Sunflower Indian Bend Wash at Shea Blvd Salt River Trib in South Mountain Park Agua Fria R. Trib. No. 2 Deadman Wash near New River Waterman Wash near Buckeye Hartman Wash near Wickenburg Ox Wash near Morristown Jackrabbit Wash near Tonopah Centennial Wash Trib. nr Wenden Tiger Wash near Aguila Winters Wash near Tonopah Rainbow Wash Trib. near Buckeye Bender Wash near Gila Bend Sauceda Wash near Gila Bend Military Wash near Sentinel Crater Range Wash near Ajo Star Wash 09488650 09501300 09510170 09510180 09512090 09512200 09512700 09513820 09514200 09515800 09516600 09516800 09517200 09517280 09517400 09519600 09519750 09519760 09520100 09520230 09516790 ALERT water-level sensors are located on two Corps of Engineers structures. Tat Momolikot and Whitlow Ranch Dams are monitored by the Corps of Engineers. Again, these data are collected in real-time by the FCDMC for the purpose of flood monitoring. The District will publish data for Tat Momolikot since data are no longer collected by the Corps. Please refer to the Los Angeles District office for official data for Whitlow Ranch Dam at http://www.spl.usace.army.mil/resreg/. v This is the fifteenth annual surface water report published by the District. Prior to water year 1994, surface water data collected by the FCDMC ALERT System were not quality controlled, and therefore, not published. However, there are data resident in archives prior to water year 1994 that may have value to specific individuals. Data are available back to October 1987 for some stations. The data are collected as a depth of flow in feet (or stage). The discharge and/or contents is then obtained by applying the stage to a rating curve of stage versus discharge in cubic feet per second (cfs), or stage versus contents in acrefeet (ac-ft). The discharge rating curves have been developed at stream gages by using field surveyed cross sections in a HEC-2 or HECRAS step backwater computer model to obtain a range of stage versus discharge points to be plotted on a curve. These step backwater ratings are refined whenever possible using direct and/or indirect measurements made at or near the gage site. For flood control storage structures, discharge ratings were obtained in one of two ways. First, the design ratings may be used. In most cases however, the discharge rating curves were developed by application of the Federal Highway Administration’s HY-8 computer model for culvert flow and U.S. Geological Survey methods for weir flow over the uncontrolled emergency spillways. The storage rating curves were obtained from published as-built or construction plans or developed from digital elevation data. Daily mean discharges are computed by applying the daily mean stages (gage heights) to the stage-discharge curves or tables. The same is similarly true for storage facility contents. The minimum and maximum values are based on instantaneous readings and the volumes for discharge stations are based on accumulations of daily means. Those gages in section 2, Pool Levels at Storage Facilities, which show a continuous gage height during obvious periods of no storage, do so because the orifice to the pressure transducer is set at that gage height above or below 0.0 feet gage datum. All data in this report have been reviewed and edited in an attempt to provide the most accurate data possible. A blank or blanks within the data set is an indication that data were lost either due to hardware, software, or radio problems, or that the gage had not yet been installed. Where possible, these data are flagged with footnotes describing the time the gage was down. In the event that published records require revision, revisions are printed in later reports. Listed in the heading for each gage where records have been revised are all the reports in which revisions have been published for the station and the water years to which the revisions apply (e.g. WY1999: WY1994-95 means that the data for Water Years 1994-1995 were revised in the report for Water Year 1999). vi Comments about this report or errors discovered may be sent to the Flood Warning Branch via Internet e-mail from the FCDMC ALERT System Home Page or directly to David Gardner at deg@mail.maricopa.gov. An index of gage names, numbers, locations, and other descriptors is included following the Definition of Terms in this report. Additional, more detailed, or historical surface water data are available on the FCD ALERT Internet site at http://www.fcd.maricopa.gov/Services/ALERT/default.asp. For information about the Internet site, contact the Flood Control District, Engineering Division, Flood Warning and Data Collection Branch at (602) 5061501. vii DEFINITION OF TERMS Terms related to streamflow and other hydrologic data, as used in this report are defined below. Acre-foot (ac-ft) is the quantity of water required to cover 1 acre to a depth of 1 foot and is equivalent to 43,560 cubic feet or about 326,000 gallons or 1,233 cubic meters. Contents is the volume of water in a reservoir or lake. indicated, volume is computed on the basis of a level pool. Unless otherwise Control designates a feature downstream from the gage that determines the stage-discharge relation at the gage. This feature may be a natural constriction of the channel, an artificial structure, or a uniform cross section over a long reach of the channel. Control structure as used in this report is a structure on a stream or canal that is used to regulate the flow or stage of the stream. Cubic foot per second (cfs) is the rate of discharge representing a volume of 1 cubic foot passing a given point during 1 second and is equivalent to approximately 7.48 gallons per second or 448.8 gallons per minute or 0.02832 cubic meters per second. Cubic foot per second-day is the volume of water represented by a flow of 1 cubic foot per second for 24 hours. It is equivalent to 86,400 cubic feet, approximately 1.9835 acre-feet, or about 646,000 gallons or 2,445 cubic meters. Daily mean discharge is the average discharge in cfs for a 24 hour period from midnight to midnight the following day. Discharge is the volume of water (or more broadly, total fluid plus suspended sediment), that passes a given point within a given period of time. Drainage area of a stream at a specified location is that area, measured in a horizontal plane, enclosed by a topographic divide from which direct surface runoff from precipitation normally drains by gravity into the stream above the specified point. Drainage basin is a part of the surface of the Earth that is occupied by a drainage system, which consists of a surface stream or body of impounded surface water, together with all tributary surface streams and bodies of impounded surface water. viii El Niño is a condition where sea surface temperatures are warmer in the eastern Pacific Ocean and cooler in the western Pacific Ocean in the lower latitudes. Normal conditions of sea surface temperatures are opposite with warmer waters in the western Pacific and cooler waters in the eastern Pacific. El Niño conditions may result in higher than normal precipitation in the southwestern United States. Flood Elevation Frequency refers to the magnitude (in terms of depth or elevation) and probability of floods at a given flood control impoundment structure. The flood elevation frequency is usually given as a depth or elevation of impoundment associated with a given recurrence interval at a particular flood control impoundment structure. Flood Flow Frequency refers to the magnitude (in terms of peak discharge) and probability of floods at a given gaging station. The flood flow frequency is usually given as a peak discharge associated with a given recurrence interval at a particular gaging station. Gage datum is the elevation of the zero point of the reference gage from which gage height is determined. This elevation is established by a system of levels from known bench marks or by approximation from topographic maps or arbitrarily established to a known point such as a culvert invert elevation. Gage height is the water-surface elevation referred to some arbitrary gage datum. Gage height is often used interchangeably with the more general term "stage," although gage height is more appropriate when used with a reading on a gage. Gaging station is a particular site on a river, stream, canal, lake, or reservoir where systematic observations of hydrologic data are obtained. Instantaneous discharge is the discharge at a particular instant of time. La Niña is when above normal sea surface temperatures exist in the western Pacific Ocean and cooler than normal sea surface temperatures exist in the eastern Pacific Ocean. La Niña conditions usually result in drier than normal conditions in the southwestern United States. Maximum Level is the highest pool level recorded or observed at a particular gaging station at a flood control impoundment structure for a given event. Maximum Storage is the greatest volume of water stored behind or within a flood control impoundment structure for a given event. This occurs at the maximum pool level and is obtained from the stage-storage relation for that maximum level for a particular flood control impoundment structure. ix Mean discharge (MEAN) is the arithmetic mean of individual daily mean discharges during a specific period. National Geodetic Vertical Datum of 1929 (NGVD 1929) is a geodetic datum derived from a general adjustment of the first order level nets of both the United States and Canada. It was formerly called "Sea Level Datum of 1929" or "mean sea level." Although the datum was derived from the average sea level over a period of many years at 26 tide stations along the Atlantic, Gulf of Mexico, and Pacific Coasts, it does not necessarily represent local mean sea level at any particular place. North American Vertical Datum of 1988 (NAVD 1988) is a datum based on the mass or density of the Earth instead of the varying values of the heights of the seas. Measurements of the acceleration of gravity are made at observation points in a network. Only one point is defined as the datum point. The vertical reference surface is then defined by the surface on which the gravity values are equal to the datum point value. This is called an equipotential surface. Peak Discharge is the maximum instantaneous discharge for a given flood event. Period of Record is the time period for which data exists for a given stream gaging station. Pressure transducer is an instrument used to measure the depth of water. It is an analog instrument which measures a pressure change over a diaphragm. The depth of water is related to the change in pressure over the diaphragm created by the weight of the water over the instrument. Recurrence interval is the reciprocal of the probability of a flood occurring in any given year. Thus, the flood having a 1% (1/100, or 1 in 100) chance of occurring in any given year has a recurrence interval of 100 years and is referred to as the 100-year flood. Similarly, the flood having a 50% (1/2 or 1 in 2) chance of occurring in any given year has a recurrence interval of 2 years and is referred to as the 2-year flood. Staff gage is a device located at the gaging station to provide a visual reference to the depth of water at a gage in terms of gage height above the water level measuring instrument. Stage-discharge relation is the relation between gage height (stage) and the volume of water, per unit of time, flowing in a channel. x Stage-storage relation is the relation between gage height (stage) and the volume of water stored behind or within a flood control impoundment structure. Streamflow is the discharge that occurs in a natural channel. Although the term "discharge" can be applied to the flow of a canal, the word "streamflow" uniquely describes the discharge in a surface stream course. The term "streamflow" is more general than "runoff" as streamflow may be applied to discharge whether or not it is affected by diversion or regulation. Water year dealing with surface-water data is the 12-month period, October 1 through September 30. The water year is designated by the calendar year in which it ends and includes 9 of the 12 months. Thus, the water year beginning October 1, 2007 and ending September 30, 2008, is called the "2008 Water Year." xi FCD STAGE GAGE LOCATIONS – WY 2008 xii New Installations in Water Year 2008 Eight new streamgages were installed during Water Year 2008. The table below provides details about the streamgages. Selecting the hyperlink of the gage name will take the user to the Internet page for the gage. Selecting the hyperlink of the page will take the user to the data page within this document. ID # 4758 5498 6637 6638 6693 6708 6718 6753 Gage Name Salt-67th Flow Daggs Wash Spookhill McDowell Spookhill McKellips Spookhill Brown Powerline Floodway Magma FRS Weekes Wash Baseline Installed 07/14/08 11/08/07 06/19/08 06/19/08 06/04/08 02/13/08 11/15/07 05/27/08 T-R-S 1N-2E-30 5N-5W-25 1N-7E-06 1N-7E-07 1N-7E-16 1S-7E-28 4S-9E-35 1S-8E-04 Latitude Longitude Elev. Page #s 33 23 52 112 12 12 975 1:59 33 44 45 112 43 30 1680 1:177 33 27 58 111 40 42 1605 1:229 33 27 05 111 40 03 1626 1:231 33 26 12 111 38 53 1595 1:239 33 19 16 111 38 10 1385 1:245 33 07 11 111 24 12 1625 1:247; 2:41; 3:41 33 22 44 111 32 15 1630 1:253 Salt / 67th Ave Flow, #4758 Daggs Wash, #5498 xiii Spookhill McDowell, #6637 Spookhill McKellips, #6638 Spookhill Brown, #6693 Powerline Floodway, #6708 Magma FRS, #6718 Weekes Wash Baseline, #6753 xiv Flood Control District of Maricopa County ALERT System Water Level Sensors WY 2008 -- Sorted by Sensor ID ID # Gage Name 0773 0778 0783 0788 0793 0798 4523 4563 4568 4573 4578 4588 4603 4613 4618 4623 4628 4638 4643 4648 4653 4658 4668 4678 4683 4688 4693 4728 4748 4758 4803 4808 4813 4818 4823 4828 4833 4848 4853 4858 4863 4888 4889 4898 4899 Tat Momolikot Dam Gila @ Maricopa Rd Gila R. @ Olberg Santa Cruz @ SR 84 Greene Wash @ SR 84 Santa Rosa @ SR 84 Salt R. @ Priest Dr. Spookhill FRS Granite Reef Price Drain at Loop 202 Laveen Basin Reata Pass Wash IBW nr McKellips Rd. IBW @ Indian Bend Rd. IBW @ Indian School Rd IBW @ Interceptor IBW @ McDonald Tatum Wash Basin Inflow IBW @ Sweetwater East Fork CC #1 Tatum Wash Basin East Fork CC #4 EFCC nr 7th Ave. Lake Marguerite East Fork CC #3 Berneil Wash IBW @ Shea Granite Reef Wash Old X-cut @ McDowell Salt River at 67th Ave Dreamy Draw Dam ACDC @ 36th St. ACDC @ 14th St. 10th Street Wash Basin #1 ACDC @ 43rd Ave. Phoenix Basin #3 Cave Creek @ Cactus Phoenix East Park Dam Phoenix Basin #7 Phoenix West Park Dam Rawhide Wash Skunk Tank Wash Cave Creek Desert Hills Wash Cave Buttes Pool Installed T-R-S Latitude Longitude Elev. Page #s 1/21/98 4/9/95 4/12/95 3/16/94 3/23/94 3/16/94 12/7/93 3/13/84 7/21/05 2/18/01 11/7/06 5/15/01 5/21/85 9/28/83 11/25/97 4/21/94 11/24/97 5/6/98 12/27/90 3/2/94 5/8/98 1/18/94 5/21/97 11/25/97 9/13/94 7/30/98 6/9/98 6/26/07 7/27/94 7/14/08 1/24/84 2/24/94 2/9/94 11/26/96 11/14/90 12/18/01 6/27/91 11/28/01 12/19/01 11/29/01 7/26/99 3/2/06 5/29/03 3/2/06 1/25/84 32 33 33 32 32 32 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 111 112 111 111 111 111 111 111 111 111 112 111 111 111 111 111 111 111 112 112 111 112 112 111 112 111 111 111 111 112 112 111 112 112 112 112 112 112 112 112 111 112 111 112 112 1540 1120 1290 1311 1350 1305 1133 1595 1330 1215 1015 2170 1187 1280 1235 1280 1262 1397 1400 1515 1394 1456 1325 1325 1456 1320 1350 1190 1250 975 1407 1260 1230 1150 1225 1356 1280 1348 1369 1312 2205 1865 1995 1860 1649 9S-4E-30 3S-3E-13 4S-6E-12 7S-5E-21 7S-4E-21 7S-4E-20 1N-4E-17 2N-7E-31 2N-7E-18 1N-5E-18 1N-2E-34 4N-5E-17 1N-4E-11 2N-4E-11 2N-4E-23 2N-4E-12 2N-4E-11 3N-4E-30 3N-3E-13 4N-3E-23 3N-4E-30 4N-3E-25 3N-3E-05 3N-4E-36 4N-3E-34 3N-4E-34 3N-4E-29 2N-4E-36 1N-4E-06 1N-2E-30 3N-3E-34 2N-3E-13 2N-3E-04 3N-3E-28 3N-2E-22 3N-3E-22 3N-2E-13 3N-3E-29 3N-3E-17 3N-3E-20 5N-4E-36 6N-3E-29 6N-4E-29 6N-3E-28 4N-3E-15 xv 30 10 05 52 52 52 26 28 30 26 23 41 26 32 29 32 31 34 36 40 34 38 37 33 38 34 34 27 27 23 33 30 32 34 35 35 35 34 36 35 44 50 49 49 42 46 19 15 47 48 49 00 01 43 04 25 52 58 01 42 00 26 54 15 11 57 55 40 49 45 01 55 58 56 52 45 49 31 47 03 12 59 45 04 23 27 24 48 42 58 57 00 41 49 56 56 57 40 41 53 09 51 54 54 54 53 54 59 00 01 58 00 04 53 02 56 58 53 58 12 01 59 02 03 09 02 06 04 04 04 53 04 58 02 02 06 20 11 43 01 46 43 48 02 25 03 51 58 48 38 55 33 01 18 29 58 35 49 56 19 17 03 55 48 13 54 56 35 14 16 49 39 37 21 55 55 58 04 54 43 1:1; 2:1; 3:1 1:3 1:5 1:7 1:9 1:11 1:13 1:15; 2:2; 3:2 1:17 1:19 1:21; 2:3; 3:3 1:23 1:25 1:27 1:29 1:31 1:33 1:35 1:37 1:39; 2:4; 3:4 1:41; 2:5, 3:5 1:43; 2:6; 3:6 1:45 1:47 1:49; 2:7; 3:7 1:51 1:53 1:55 1:57 1:59 1:61; 2:8; 3:8 1:63 1:65 1:67; 2:9, 3:9 1:69 1:71; 2:10; 3:10 1:73 1:75; 2:11; 3:11 1:77; 2:12; 3:12 1:79; 2:13; 3:13 1:81 1:83 1:85 1:87 2:14; 3:14 Flood Control District of Maricopa County ALERT System Water Level Sensors WY 2008 -- Sorted by Sensor ID ID # Gage Name 4903 4913 4918 4923 4938 4948 4963 5013 5033 5043 5078 5093 5103 5108 5113 5118 5123 5128 5163 5178 5203 5208 5218 5223 5228 5233 5248 5263 5273 5276 5283 5303 5308 5352 5403 5408 5413 5418 5422 5428 5438 5443 5448 5483 5488 5498 Cave Buttes Outlet Stagecoach Wash Cave Cr. nr Cave Cr. Cave Cr.@ Spur Cross Reata Pass Dam Cave Creek Fire Seven Springs Wash Columbus Wash Copper Wash Fourth of July Wash Cruff Wash Centennial @ Wenden Centennial Railroad Delaney Wash Saddleback FRS Winters Wash Centennial Levee Harquahala FRS Tiger Wash Centennial nr Aguila Buckeye FRS #1 Buckeye FRS #2 Jackrabbit Wash Hassy R. nr Morristown Hassy R. @ US 60 Sunset FRS Sunnycove FRS Vulture Mine Road Box Wash Sols Wash at SR 71 Hassy R. @ I-10 Sun Valley at Northern Hassy R. @ Box Canyon Hassy R. @ Wagoner Rd. Agua Fria @ Buckeye Colter @ El Mirage Dysart Drain @ LAFB White Tanks 3 Dysart Chnl @ El Mirage Ford Canyon Wash McMicken Floodway McMicken Dam South McMicken Dam El Mirage Drain Upper Trilby Wash Daggs Wash Installed T-R-S Latitude Longitude Elev. Page #s 1/25/84 6/13/01 5/27/94 6/16/93 10/2/01 7/18/05 3/12/02 9/22/99 2/22/01 3/14/02 5/14/02 9/16/98 2/9/90 12/21/99 12/16/88 7/11/00 7/9/03 3/1/94 9/15/99 6/5/01 7/26/83 11/11/92 10/31/00 5/7/96 3/14/94 2/12/89 7/31/86 10/26/05 3/11/03 9/10/01 11/9/94 8/2/05 11/17/83 9/26/91 10/12/88 6/29/94 8/22/96 3/12/86 3/7/97 2/5/02 9/3/92 2/13/02 3/24/83 2/16/06 9/26/01 11/8/07 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 34 33 33 34 34 33 33 33 33 33 33 33 33 33 33 33 33 112 111 112 111 111 111 111 113 113 113 112 113 112 112 113 112 113 113 113 113 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 1649 2550 1800 2280 2600 2960 3470 685 1070 1110 968 1860 850 1110 1177 1125 1280 1420 1960 2340 1097 1150 2130 1830 2035 2100 2200 2380 2260 2740 1035 1395 2245 3785 940 1025 1090 1190 1023 1468 1337 1343 1361 1265 3040 1680 4N-3E-15 5N-5E-06 5N-3E-12 6N-4E-04 5N-5E-33 7N-4E-11 7N-5E-09 4S-10W-06 2S-10W-33 2S-9W-01 2S-6W-20 6N-12W-32 1S-6W-28 2N-7W-34 2N-10W-34 2N-6W-18 2N-10W-17 2N-8W-05 5N-10W-26 7N-8W-11 1N-5W-03 1N-3W-07 4N-6W-04 6N-4W-03 7N-5W-12 7N-5W-11 7N-5W-11 7N-5W-16 6N-5W-20 9N-7W-14 1N-5W-03 3N-4W-32 8N-4W-07 11N-3W-09 1N-1W-14 2N-1W-13 2N-1W-03 2N-2W-09 2N-1W-01 3N-2W-18 4N-1E-18 3N-2W-21 4N-2W-24 4N-1W-14 7N-3W-12 5N-5W-25 xvi 42 48 47 53 44 58 57 06 12 16 14 49 18 28 27 30 31 32 45 58 27 26 42 53 58 57 57 57 50 07 27 33 02 18 26 30 32 32 32 35 41 35 40 41 57 44 58 42 28 05 06 03 39 27 17 39 46 30 35 11 55 33 10 56 30 02 31 26 57 05 13 50 25 09 57 07 27 12 41 38 05 28 38 01 36 48 04 13 38 27 39 45 02 53 00 57 50 54 50 19 17 07 53 31 52 58 04 54 15 05 16 04 45 35 52 39 43 44 44 46 47 57 45 40 42 34 19 19 20 28 19 29 24 28 25 19 31 43 43 27 05 17 39 58 45 57 07 48 41 55 56 30 21 44 38 47 43 09 02 47 54 42 31 33 24 18 57 45 43 41 32 05 55 24 59 14 24 57 24 37 23 41 43 30 1:89 1:91 1:93 1:95 1:97; 2:15; 3:15 1:99 1:101 1:103 1:105 1:107 1:109 1:111 1:113 1:115 1:117; 2:16; 3:16 1:119 1:121 1:123; 2:17; 3:17 1:125 1:127 1:129; 2:18; 3:18 1:131; 2:19; 3:19 1:133 1:135 1:137 1:139; 2:20; 3:20 1:141; 2:21; 3:21 1:143 1:145 1:147 1:149 1:151 1:153 1:155 1:157 1:159 1:161 1:163; 2:22; 3:22 1:165 1:167 1:169 2:23; 3:23 1:169; 2:24; 3:24 1:173 1:175 1:177 Flood Control District of Maricopa County ALERT System Water Level Sensors WY 2008 -- Sorted by Sensor ID ID # Gage Name 5503 5508 5523 5534 5538 5543 5568 5583 5588 5598 5609 5613 5638 5923 5968 5973 5978 5983 5988 5993 6503 6563 6573 6583 6598 6603 6608 6623 6628 6637 6638 6673 6683 6688 6693 6703 6707 6708 6718 6723 6739 6753 6813 6823 6833 6848 Agua Fria @ Grand Ave. New River @ Glendale ACDC @ 67th Ave. Adobe Dam Pool Adobe Dam Outlet Scatter Wash Skunk Creek @ I-17 Cline Creek Skunk Creek near New River New River @ Bell Rd. New River Pool New River Outlet New River Fire McDowell Mountain Road Stoneridge Dam Sunridge Canyon Dam Golden Eagle Park Dam North Heights Dam Aspen Dam Hesperus Dam Guadalupe FRS South Mountain Fan EMF @ Broadway EMF @ Queen Creek Rd. EMF @ Arizona Ave. Guadalupe Channel Freestone Park Basin Crossroads Park Basin Signal Butte FRS Spookhill McDowell Spoookhill McKellips Apache Junction FRS Powerline FRS Vineyard FRS Spookhill Brown Rittenhouse FRS Queen Ck @ Rittenhouse Powerline Floodway Magma FRS Queen Creek at CAP Whitlow Ranch Dam Weekes Wash Baseline Buckeye FRS #3 White Tanks FRS #4 Waterman at Rainbow Gila @ 116th Ave. Installed T-R-S Latitude Longitude Elev. Page #s 4/27/94 3/21/90 6/7/90 10/28/82 10/28/82 9/18/96 10/26/89 11/20/01 6/21/95 4/4/90 4/15/86 4/15/86 7/20/05 5/18/04 12/11/96 2/4/97 12/12/96 10/11/96 1/2/97 12/18/96 6/29/89 6/9/93 8/10/89 1/18/89 2/10/89 8/07/98 12/19/95 12/18/95 11/10/87 6/19/08 6/19/08 12/16/81 12/3/92 11/2/83 6/4/08 9/27/88 9/14/93 2/13/08 11/15/07 1/14/99 1/8/98 5/27/08 11/23/92 1/9/86 3/18/99 12/16/98 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 112 112 112 112 112 112 112 112 112 112 112 112 112 111 111 111 111 111 111 111 111 112 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 112 112 112 112 1125 1050 1220 1413 1413 1340 1475 2171 1854 1200 1498 1498 2483 1620 1710 1932 1722 1819 1840 1894 1250 1420 1349 1317 1214 1345 1450 1270 1650 1605 1626 1989 1580 1582 1595 1580 1400 1385 1625 1565 2199 1630 1200 1044 1085 940 3N-1E-18 3N-1E-08 3N-1E-12 4N-2E-21 4N-2E-21 4N-2E-27 5N-2E-35 7N-3E-33 7N-3E-29 3N-1E-03 5N-1E-35 5N-1E-35 7N-3E-04 4N-6E-26 3N-6E-22 3N-6E-16 3N-6E-10 3N-6E-09 3N-6E-04 3N-6E-04 1S-4E-05 1S-2E-26 1N-6E-26 2S-6E-15 3S-5E-15 1S-7E-06 1S-6E-08 1S-6E-21 1N-7E-12 1N-7E-06 1N-7E-07 1N-8E-08 1S-8E-09 1S-8E-09 1N-7E-16 2S-8E-02 2S-7E-25 1S-7E-28 4S-9E-35 2S-8E-26 1S-10E-36 1S-8E-04 1N-3W-10 1N-2W-05 2S-2W-14 1N-1W-36 xvii 36 32 37 40 40 40 43 54 55 38 44 44 58 39 35 36 37 37 37 38 22 18 24 15 09 21 21 19 26 27 27 26 21 21 26 17 13 19 07 12 17 22 26 27 15 23 26 14 26 37 37 09 47 03 34 18 09 09 33 24 41 23 08 17 34 11 16 56 21 50 57 55 28 39 25 58 05 28 22 10 12 22 50 16 11 22 55 44 49 04 40 24 18 17 12 09 09 08 07 03 04 14 13 13 03 42 43 45 44 44 44 44 58 07 42 43 49 40 46 44 35 40 40 33 32 32 38 29 35 38 24 30 16 32 33 29 26 18 16 00 10 12 12 25 21 19 56 27 31 31 38 23 57 01 04 52 41 44 10 59 42 35 56 32 19 40 25 42 03 07 14 06 53 49 41 10 12 15 35 15 20 40 38 28 1:179 1:181 1:183 2:25; 3:25 1:185 1:187 1:189 1:191 1:193 1:195 2:26; 3:26 1:197 1:199 1:201 1:203; 2:27; 1:205; 2:28; 1:207; 2:29: 1:209; 2:30; 1:211; 2:31; 1:213; 2:32; 1:215; 2:33; 1:217 1:219 1:221 1:223 1:225 2:34; 3:34 2:35; 3:35 1:227; 2:36; 1:229 1:231 1:233; 2:37; 1:235; 2:38; 1:237; 2:39; 1:239 1:241; 2:40; 1:243 1:245 1:247; 2:41; 1:249 1:251; 2:42; 1:253 1:255; 2:43; 1:257; 2:44; 1:259 1:261 3:27 3:28 3:29 3:30 3:31 3:32 3:33 3:36 3:37 3:38 3:39 3:40 3:41 3:42 3:43 3:44 Flood Control District of Maricopa County ALERT System Water Level Sensors WY 2008 -- Sorted by Sensor ID ID # Gage Name 6853 6863 6868 6893 6923 6933 6953 6963 6983 7013 7028 7043 7063 7083 7093 7113 7133 7168 Gila @ Estrella Pkwy. Bullard Wash Bullard at Indian School Estrella Fan Sauceda Wash Sand Tank Wash at I-8 Rainbow Wash at SR 85 Bender Wash Vekol Wash Martinez Creek Sols Trib near US 93 Sols Wash nr Matthie Hartman Wash Flying E Wash Casandro Wash Powder House Wash Casandro Dam Antelope Creek Installed T-R-S Latitude Longitude Elev. Page #s 12/2/92 3/30/00 6/27/06 4/30/93 2/28/90 5/31/01 11/06/00 5/12/04 3/7/90 11/23/94 1/30/02 8/4/95 7/6/94 7/12/94 7/12/94 5/18/95 8/15/96 7/9/03 33 33 33 33 32 32 33 32 32 34 34 33 33 33 33 33 33 34 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 900 920 1025 1425 726 775 900 1200 1720 2300 2580 2220 2488 2302 2240 2120 2163 2470 1N-1W-31 1N-1W-29 2N-1W-29 2S-1W-12 6S-5W-04 6S-4W-06 2S-4W-23 6S-3W-15 7S-1E-03 8N-5W-17 8N-6W-11 8N-5W-32 7N-5W-12 7N-5W-09 7N-5W-10 7N-4W-06 7N-5W-11 8N-5W-09 xviii 23 23 29 16 52 55 14 54 50 01 03 59 57 57 57 58 57 02 19 47 33 02 27 59 08 24 30 44 10 14 45 44 44 50 57 56 23 23 22 18 44 42 38 33 14 47 50 47 49 46 45 42 45 46 33 16 54 53 57 20 22 06 58 30 59 33 42 55 55 59 01 46 1:263 1:265 1:267 1:269 1:271 1:273 1:275 1:277 1:279 1:281 1:283 1:285 1:287 1:289 1:291 1:293 1:295; 2:45; 3:45 1:297 Flood Control District of Maricopa County ALERT System Water Level Sensors WY 2008– Sorted by Name ID # Gage Name 4818 4813 4808 4823 5523 5538 5534 5403 5503 7168 6673 5988 6963 4688 5273 5203 5208 6813 6863 6868 7133 7093 4903 4904 4893 4948 4918 4923 4833 5123 5178 5093 5103 5583 5408 5013 5033 6623 5078 5498 5108 4898 4803 5423 5413 4648 10th Street Wash Basin #1 ACDC @ 14th St. ACDC @ 36th St. ACDC @ 43rd Ave. ACDC @ 67th Ave. Adobe Dam Outlet Adobe Dam Pool Agua Fria @ Buckeye Agua Fria @ Grand Ave. Antelope Creek Apache Junction FRS Aspen Dam Bender Wash Berneil Wash Box Wash Buckeye FRS #1 Buckeye FRS #2 Buckeye FRS #3 Bullard Wash Bullard at Indian School Casandro Dam Casandro Wash Cave Buttes Outlet Cave Buttes Pool Cave Creek Cave Creek Fire Cave Cr. nr Cave Cr. Cave Cr.@ Spur Cross Cave Creek @ Cactus Centennial Levee Centennial nr Aguila Centennial @ Wenden Centennial Railroad Cline Creek Colter @ El Mirage Columbus Wash Copper Wash Crossroads Park Basin Cruff Wash Daggs Wash Delaney Wash Desert Hills Wash Dreamy Draw Dam Dysart Chnl @ El Mirage Dysart Drain @ LAFB East Fork CC #1 Installed T-R-S Latitude Longitude Elev. Page #s 11/26/96 2/9/94 2/24/94 11/14/90 6/7/90 10/28/82 10/28/82 10/12/88 4/27/94 7/9/03 12/16/81 1/2/97 5/12/04 7/30/98 3/12/03 7/26/83 11/11/92 11/23/92 3/30/00 6/27/06 8/15/96 7/12/94 1/25/84 1/25/84 5/28/03 7/18/05 5/27/94 6/16/93 6/27/91 7/9/03 6/5/01 9/16/98 2/9/90 11/20/01 6/29/94 9/22/99 2/22/01 12/18/95 5/14/02 11/8/07 12/21/99 3/2/06 1/24/84 3/7/97 8/22/96 3/2/94 33 33 33 33 33 33 33 33 33 34 33 33 32 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 112 112 111 112 112 112 112 112 112 112 111 111 112 111 112 112 112 112 112 112 112 112 112 112 111 111 112 111 112 113 113 113 112 112 112 113 113 111 112 112 112 112 112 112 112 112 1150 1230 1260 1225 1220 1413 1413 940 1125 2470 1989 1840 1200 1320 2260 1097 1150 1200 920 1025 2163 2240 1649 1649 1995 2960 1800 2280 1280 1280 2340 1860 850 2171 1025 685 1070 1270 968 1680 1110 1860 1407 1023 1090 1515 3N-3E-28 2N-3E-04 2N-3E-13 3N-2E-22 3N-1E-12 4N-2E-21 4N-2E-21 1N-1W-14 3N-1E-18 8N-5W-09 1N-8E-08 3N-6E-04 6S-3W-15 3N-4E-34 6N-5W-20 1N-5W-03 1N-3W-07 1N-3W-10 1N-1W-29 2N-1W-29 7N-5W-11 7N-5W-10 4N-3E-15 4N-3E-15 6N-4E-29 7N-4E-11 5N-3E-12 6N-4E-04 3N-2E-13 2N-10W-17 7N-8W-11 6N-12W-32 1S-6W-28 7N-3E-33 2N-1W-13 4S-10W-06 2S-10W-33 1S-6E-21 2S-6W-20 5N-5W-25 2N-7W-34 6N-3E-28 3N-3E-34 2N-1W-01 2N-1W-03 4N-3E-23 xix 34 32 30 35 37 40 40 26 36 02 26 37 54 34 50 27 26 26 23 29 57 57 42 42 49 58 47 53 35 31 58 49 18 54 30 06 12 19 14 44 28 49 33 32 32 40 47 31 49 03 26 37 37 05 26 56 28 34 24 01 57 31 26 49 47 33 57 44 58 58 48 03 28 05 59 10 02 30 35 03 28 27 17 39 46 45 11 42 45 36 38 11 03 02 59 09 12 09 09 19 18 46 33 44 33 56 47 45 35 33 23 22 45 45 02 02 58 54 00 57 06 15 04 31 52 03 19 19 17 44 53 43 58 02 01 19 20 01 14 35 56 16 10 12 12 55 16 46 07 41 06 17 57 02 47 20 16 54 01 55 43 43 04 58 05 17 39 38 09 55 56 19 24 57 07 40 41 30 30 54 54 24 59 29 1:67; 2:9; 3:9 1:65 1:63 1:69 1:183 1:185 2:25; 3:25 1:157 1:179 1:297 1:233; 2:37; 3:37 1:211; 2:31; 3:31 1:277 1:51 1:145 1:129; 2:18; 3:18 1:131; 2:19; 3:19 1:255; 2:43; 3:43 1:265 1:267 1:295; 2:45; 3:45 1:291 1:89 2:14; 3:14 1:85 1:99 1:93 1:95 1:73 1:121 1:127 1:111 1:113 1:191 1:159 1:103 1:105 2:35; 3:35 1:109 1:177 1:115 1:87 1:61; 2:8; 3:8 1:165 1:161 1:39; 2:4; 3:4 Flood Control District of Maricopa County ALERT System Water Level Sensors WY 2008– Sorted by Name ID # Gage Name 4683 4658 4668 5483 6598 6573 6583 6893 7083 5043 5428 6608 6848 6853 0778 0783 5978 4568 4728 0793 6603 6503 5128 7063 5308 5283 5228 5352 5223 5993 4613 4618 4623 4628 4693 4643 4603 5218 4678 4578 6718 7013 5923 5448 5443 5438 East Fork CC #3 East Fork CC #4 EFCC nr 7th Ave. El Mirage Drain EMF @ Arizona Ave. EMF @ Broadway EMF @ Queen Creek Rd. Estrella Fan Flying E Wash Fourth of July Wash Ford Canyon Wash Freestone Park Basin Gila @ 116th Ave. Gila @ Estrella Pkwy. Gila @ Maricopa Rd Gila R. @ Olberg Golden Eagle Park Dam Granite Reef Granite Reef Wash Greene Wash @ SR 84 Guadalupe Channel Guadalupe FRS Harquahala FRS Hartman Wash Hassy R. @ Box Canyon Hassy R. @ I-10 Hassy R. @ US 60 Hassy R. @ Wagoner Rd. Hassy R. nr Morristown Hesperus Dam IBW @ Indian Bend Rd. IBW @ Indian School Rd IBW @ Interceptor IBW @ McDonald IBW @ Shea IBW @ Sweetwater IBW near McKellips Rd. Jackrabbit Wash Lake Marguerite Laveen Basin Magma FRS Martinez Creek McDowell Mountain Road McMicken Dam McMicken Dam South McMicken Floodway Installed T-R-S Latitude Longitude Elev. Page #s 9/13/94 1/18/94 5/21/97 2/16/06 2/10/89 8/10/89 1/18/89 4/30/93 7/12/94 3/14/02 3/12/02 12/19/95 12/16/98 12/2/92 4/9/95 4/12/95 12/12/96 7/21/05 6/26/07 3/23/94 8/7/98 6/29/89 3/1/94 7/6/94 11/17/83 11/9/94 3/14/94 9/26/91 5/7/96 12/18/96 9/28/83 11/25/97 4/21/94 11/24/97 6/9/98 12/27/90 5/21/85 10/31/00 11/25/97 11/7/06 11/15/07 11/23/94 5/18/04 3/24/83 2/13/02 9/3/92 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 32 33 33 33 33 34 33 33 34 33 33 33 33 33 33 33 33 33 33 33 33 33 34 33 33 33 33 112 112 112 112 111 111 111 112 112 113 112 111 112 112 112 111 111 111 111 111 111 111 113 112 112 112 112 112 112 111 111 111 111 111 111 112 111 112 111 112 111 112 111 112 112 112 1456 1456 1325 1265 1214 1349 1317 1425 2302 1110 1468 1450 940 900 1120 1290 1722 1330 1190 1350 1345 1250 1420 2488 2245 1035 2035 3785 1830 1894 1280 1235 1280 1262 1350 1400 1187 2130 1325 1015 1625 2300 1620 1361 1343 1337 4N-3E-34 4N-3E-25 3N-3E-05 4N-1W-14 3S-5E-15 1N-6E-26 2S-6E-15 2S-1W-12 7N-5W-09 2S-9W-01 3N-2W-18 1S-6E-08 1N-1W-36 1N-1W-31 3S-3E-13 4S-6E-12 3N-6E-10 2N-7E-18 2N-4E-36 7S-4E-21 1S-7E-06 1S-4E-05 2N-8W-05 7N-5W-12 8N-4W-07 1N-5W-03 7N-5W-12 11N-3W-09 6N-4W-03 3N-6E-04 2N-4E-11 2N-4E-23 2N-4E-12 2N-4E-11 3N-4E-29 3N-3E-13 1N-4E-11 4N-6W-04 3N-4E-36 1N-2E-34 4S-9E-35 8N-5W-17 4N-6E-26 4N-2W-24 3N-2W-21 4N-1E-18 xx 38 38 37 41 09 24 15 16 57 16 35 21 23 23 10 05 37 30 27 52 21 22 32 57 02 27 58 18 53 38 32 29 32 31 34 36 26 42 33 23 07 01 39 40 35 41 45 55 40 27 57 21 50 02 44 39 48 28 24 19 19 15 08 43 58 48 55 16 56 45 41 27 13 38 05 11 01 42 00 26 55 15 58 57 49 25 11 44 24 38 13 04 02 00 04 19 49 42 43 18 46 07 29 46 18 23 00 41 44 41 53 56 40 58 05 49 42 45 43 34 39 44 54 54 53 54 58 00 54 52 53 09 24 47 42 25 28 24 19 35 49 41 56 42 35 53 55 48 57 19 28 33 20 11 04 02 55 01 32 10 47 42 32 43 31 05 42 44 48 38 55 33 03 18 58 54 56 03 12 30 23 23 37 24 1:49; 2:7; 3:7 1:43; 2:6; 3:6 1:45 1:173 1:223 1:219 1:221 1:269 1:289 1:107 1:167 2:34; 3:34 1:261 1:263 1:3 1:5 1:207; 2:29; 3:29 1:17 1:55 1:9 1:225 1:215; 2:33; 3:33 1:123; 2:17; 3:17 1:287 1:153 1:149 1:137 1:155 1:135 1:213; 2:32; 3:32 1:27 1:29 1:31 1:33 1:53 1:37 1:25 1:133 1:47 1:21; 2:3; 3:3 1:247; 2:41; 3:41 1:281 1:201 1:169; 2:24; 3:24 2:23; 3:23 1:169 Flood Control District of Maricopa County ALERT System Water Level Sensors WY 2008– Sorted by Name ID # Gage Name 5598 5508 5638 5613 5609 5983 4748 4828 4848 4853 4858 7113 6683 6708 4573 6707 6723 6953 4863 4938 4588 6703 5113 4758 4523 6933 0788 0798 6923 5543 4963 6628 5588 5568 4888 7028 5276 7043 6563 6693 6638 6637 4563 4913 5968 5303 New River @ Bell Rd. New River @ Glendale New River Fire New River Outlet New River Pool North Heights Dam Old X-cut @ McDowell Phoenix Basin #3 Phoenix East Park Dam Phoenix Basin #7 Phoenix West Park Dam Powder House Wash Powerline FRS Powerline Floodway Price Drain at Loop 202 Queen Ck @ Rittenhouse Queen Creek at CAP Rainbow Wash at SR 85 Rawhide Wash Reata Pass Dam Reata Pass Wash Rittenhouse FRS Saddleback FRS Salt River at 67th Ave Salt R. @ Priest Dr. Sand Tank Wash at I-8 Santa Cruz @ SR 84 Santa Rosa @ SR 84 Sauceda Wash Scatter Wash Seven Springs Wash Signal Butte FRS Skunk Creek nr New River Skunk Creek @ I-17 Skunk Tank Wash Sols Trib near US 93 Sols Wash at SR 71 Sols Wash nr Matthie South Mountain Fan Spookhill Brown Spookhill McKellips Spookhill McDowell Spookhill FRS Stagecoach Wash Stoneridge Dam Sun Valley at Northern Installed T-R-S Latitude Longitude Elev. Page #s 4/4/90 3/21/90 7/20/05 4/15/86 4/15/86 10/11/96 7/27/94 12/18/01 11/28/01 12/19/01 11/29/01 5/18/95 12/3/92 2/13/08 2/18/01 9/14/93 1/14/99 11/06/00 7/26/99 10/2/01 5/15/01 9/27/88 12/16/88 7/14/08 12/7/93 5/31/01 3/16/94 3/16/94 2/28/90 9/18/96 3/12/02 11/10/87 6/21/95 10/26/89 3/2/06 1/30/02 9/10/01 8/4/95 6/9/93 6/4/08 6/19/08 6/19/08 3/13/84 6/13/01 12/11/96 8/2/05 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 32 32 32 32 33 33 33 33 33 33 34 34 33 33 33 33 33 33 33 33 33 112 112 112 112 112 111 111 112 112 112 112 112 111 111 111 111 111 112 111 111 111 111 113 112 111 112 111 111 112 112 111 111 112 112 112 112 112 112 112 111 111 111 111 111 111 112 1200 1050 2483 1498 1498 1819 1250 1356 1348 1369 1312 2120 1580 1385 1215 1400 1565 900 2205 2600 2170 1580 1177 975 1133 775 1311 1305 726 1340 3470 1650 1854 1475 1865 2580 2740 2220 1420 1595 1626 1605 1595 2550 1710 1395 3N-1E-03 3N-1E-08 7N-3E-04 5N-1E-35 5N-1E-35 3N-6E-09 1N-4E-06 3N-3E-22 3N-3E-29 3N-3E-17 3N-3E-20 7N-4W-06 1S-8E-09 1S-7E-28 1N-5E-18 2S-7E-25 2S-8E-26 2S-4W-23 5N-4E-36 5N-5E-33 4N-5E-17 2S-8E-02 2N-10W-34 1N-2E-30 1N-4E-17 6S-4W-06 7S-5E-21 7S-4E-20 6S-5W-04 4N-2E-27 7N-5E-09 1N-7E-12 7N-3E-29 5N-2E-35 6N-3E-29 8N-6W-11 9N-7W-14 8N-5W-32 1S-2E-26 1N-7E-16 1N-7E-07 1N-7E-06 2N-7E-31 5N-5E-06 3N-6E-22 3N-4W-32 xxi 38 32 58 44 44 37 27 35 34 36 35 58 21 19 26 13 12 14 44 44 41 17 27 23 26 55 52 52 52 40 57 26 55 43 50 03 07 59 18 26 27 27 28 48 35 33 18 14 33 09 09 17 56 12 45 04 23 50 22 16 04 50 22 08 27 06 52 22 55 52 00 59 47 49 27 09 39 25 34 47 24 10 07 14 56 12 05 58 01 42 41 12 14 17 03 13 13 44 58 02 04 04 04 42 32 38 53 35 30 38 53 50 51 29 04 12 57 42 49 56 44 08 50 35 04 07 04 50 57 47 07 38 40 40 40 53 43 40 27 00 38 31 31 52 48 49 37 21 55 59 14 10 25 41 15 22 55 39 51 49 21 13 43 20 43 46 57 25 45 25 56 21 58 59 45 33 59 53 03 42 48 27 57 41 1:195 1:181 1:199 1:197 2:26; 3:26 1:209; 2:30; 3:30 1:57 1:71; 2:10; 3:10 1:75; 2:11; 3:11 1:77; 2:12; 3:12 1:79; 2:13; 3:13 1:293 1:235; 2:38; 3:38 1:245 1:19 1:243 1:249 1:275 1:81 1:97; 2:15; 3:15 1:23 1:241; 2:40; 3:40 1:117; 2:16; 3:16 1:59 1:13 1:273 1:7 1:11 1:271 1:187 1:101 1:227; 2:36; 3:36 1:193 1:189 1:83 1:283 1:147 1:285 1:217 1:239 1:231 1:229 1:15; 2:2; 3:2 1:91 1:203; 2:27; 3:27 1:151 Flood Control District of Maricopa County ALERT System Water Level Sensors WY 2008– Sorted by Name ID # Gage Name 5248 5973 5233 0773 4653 4638 5163 5488 6983 6688 5263 6833 6753 5418 6823 6739 5118 Sunnycove FRS Sunridge Canyon Dam Sunset FRS Tat Momolikot Dam Tatum Wash Basin Tatum Wash Basin Inflow Tiger Wash Upper Trilby Wash Vekol Wash Vineyard FRS Vulture Mine Road Waterman at Rainbow Weekes Wash Baseline White Tanks 3 White Tanks 4 Whitlow Ranch Dam Winters Wash Installed T-R-S Latitude Longitude Elev. Page #s 7/31/86 2/4/97 2/12/89 1/21/98 5/8/98 5/6/98 9/15/99 9/26/01 3/7/90 11/2/83 10/26/05 3/18/99 5/27/08 3/12/86 1/9/86 1/8/98 7/11/00 33 33 33 32 33 33 33 33 32 33 33 33 33 33 33 33 33 112 111 112 111 111 111 113 112 112 111 112 112 111 112 112 111 112 2200 1932 2100 1540 1394 1397 1960 3040 1720 1582 2380 1085 1630 1190 1044 2199 1125 7N-5W-11 3N-6E-16 7N-5W-11 9S-4E-30 3N-4E-30 3N-4E-30 5N-10W-26 7N-3W-12 7S-1E-03 1S-8E-09 7N-5W-16 2S-2W-14 1S-8E-04 2N-2W-09 1N-2W-05 1S-10E-36 2N-6W-18 xxii 57 36 57 30 34 34 45 57 50 21 57 15 22 32 27 17 30 25 23 50 46 57 54 30 39 30 10 09 40 44 01 04 55 33 44 45 44 57 58 59 16 31 14 32 46 26 32 28 29 16 54 24 01 33 06 58 01 43 43 58 06 18 38 15 14 40 35 44 1:141; 2:21; 3:21 1:205; 2:28; 3:28 1:139; 2:20; 3:20 1:1; 2:1; 3:1 1:41; 2:5; 3:5 1:35 1:125 1:175 1:279 1:237; 2:39; 3:39 1:143 1:259 1:253 1:163; 2:22; 3:22 1:257; 2:44; 3:44 1:251; 2:42; 3:42 1:119 SUMMARY OF SIGNIFICANT STREAMFLOW EVENTS Overall, Water Year 2008 was relatively wet. It began with a large widespread event beginning November 30 and continuing through the first 10 days of December. A number of the stations had their highest runoff for the water year on December 1. After a brief break, the storms began again in early January. A second widespread event occurred beginning January 27 with periodic rainfall through February 1. Again, a number of stations had their highest runoff during this period. Following this large event, there were a few small precipitation events through mid February. After this, the weather turned dry and remained that way throughout the spring. There was an unusual event that occurred in late May. A cold front moved in and combined with tropical moisture to produce a fairly significant precipitation event. Several stations had their highest runoff for the water year at this time. The summer monsoon season began in early July. Some early season thunderstorms moved into the county around July 4. However, the largest event of the summer happened in Pinal County and eastern Maricopa County on July 10. Significant runoff affected Magma FRS and the Spookhill FRS gaging stations. Magma FRS rose to within 4 feet of the spillway. Spookhill FRS recorded its maximum impoundment in stage and volume. The dam reconstruction had just been completed a few weeks before this large event occurred. There were several other distinct events where most runoff occurred. In August, the events of August 7, and a slew of events from August 25 through August 30 produced good runoff. Highlights of the runoff events are summarized on the following two pages. xxiii Maximum Flows for Water Year 2008 at Selected FCDMC Water Level Sensor Locations Location Salt River at Priest Drive (4523) Centennial Wash at Wenden (5093) Cave Creek at Spur Cross (4923) Cave Creek at Spur Cross (4923) New River Fire (5638) Cave Creek near Cave Creek (4918) New River Fire (5638) Hassayampa River at US60 (5228) Cave Creek (4893) Martinez Creek (7013) New River at Glendale (5508) Antelope Creek (7168) Skunk Creek at I-17 (5568) Vekol Wash (6983) Hassayampa River at Box Canyon (5308) ACDC at 43rd Ave (4823) EMF at Broadway Road (6573) New River Outlet (5613) New River at Bell Road (5598) Sauceda Wash (6923) Seven Springs Wash (4963) xxiv Discharge (cfs) 18,741 7,822 6,626 6,238 5,912 5,270 5,269 3,757 3,672 3,621 3,216 2,800 2,739 2,635 2,491 2,344 1,995 1,531 1,220 1,138 1,021 Stage (feet) 7.67 4.68 12.25 11.98 6.87 6.28 6.57 2.44 5.97 6.68 1.33 3.37 3.57 7.49 7.45 3.85 3.43 9.28 1.88 3.74 5.30 Contents (ac-ft) Date (%full) 01/28/2008 08/25/2008 12/01/2007 01/27/2008 01/27/2008 01/27/2008 12/01/2007 08/25/2008 12/01/2007 08/25/2008 07/11/2008 08/25/2008 12/01/2007 05/22/2008 01/27/2008 07/10/2008 07/21/2008 01/28/2008 01/28/2008 08/30/2008 12/01/2007 Maximum Impoundments for Water Year 2008 at Selected FCDMC Water Level Sensor Locations Location Magma FRS (6718) Laveen Basin (4578) Guadalupe FRS (6503) Cave Buttes Dam (4904) Powerline FRS (6683) Rittenhouse FRS (6703) Spookhill FRS (4563) New River Dam (5614) Vineyard FRS (6688) Cave Buttes Dam (4904) Whitlow Ranch Dam (6739) Adobe Dam (5534) Adobe Dam (5534) xxv Discharge (cfs) Stage (feet) 18.74 9.43 9.41 52.29 4.90 10.06 8.90 23.04 3.03 43.54 30.94 11.25 8.70 Contents (ac-ft) 2,460 31.5 36 4,898 449 396 210 3,050 242 2,996 1,100 568 265 Date (%full) 42.2 22.5 12.8 10.5 10.2 10.0 8.1 7.0 6.6 6.4 3.1 3.0 1.4 07/11/2008 08/29/2008 07/13/2008 02/01/2008 12/08/2007 07/11/2008 07/10/2008 01/28/2008 12/01/2007 12/03/2007 01/28/2008 12/01/2007 01/28/2008 DATA PRESENTATION The following three sections present the data collected by the Flood Control District ALERT system. The first section is Surface Water Streamflow data. This section contains data from free-flowing stream sites and discharges from dams and detention basins. The second section contains Pool Level data from storage structures, both dams and basins. The third section presents Storage Volume data for both dams and basins. The data are in acre-feet of storage volume. In the tables where there are dashes “- - -“ for a particular date or dates, the gage was down. Typically a gage is down when the gage itself fails, or a transmitter or repeater fails. In the case of transmitter failure or repeater failure, data for that date is available by manual download. However, when no event has occurred, the data will typically not be retrieved from the device. xxvi SURFACE WATER STREAMFLOW DATA Flood Control District of Maricopa County ALERT System Tat Momolikot Dam STATION ID 0773* DRAINAGE AREA 1,780 MI2 IN-SERVICE DATE 01/24/2000 PERIOD OF AVAILABLE RECORD 01/24/2000 - CURRENT YEAR WY 2008 PEAK 0 CFS 6.06 FEET 07/15/2008 EXTREME FOR PERIOD OF RECORD 0 CFS 11.14 FEET 09/09/2006 Pool Level Data Storage Volume Data Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 *Gage ID was 0768 prior to January 24, 2000. **FCD Operated gage since January 1998. However, previous float gage did not operate properly. A pressure transducer gage was installed January 24, 2000 and all previous data were deleted. Previously, the US Army Corps of Engineers, Los Angeles District maintained a gage at this location. See also Pool Level and Storage Volume data. Surface Water Streamflow Page 1 FCDMC Annual Surface Water Report Water Year 2008 TAT MOMOLIKOT DAM - ALL IMPOUND DATA 3,000 2,500 VOLUME (AF) 2,000 1 % OF SPILLWAY CAPACITY 1,500 1,000 500 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 2 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Gila at Maricopa Road STATION ID 0778 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 19,915 MI2 10/01/1998 10/01/1998 - CURRENT YEAR 0 CFS 1.36 FEET NONE 8,051 CFS 3.99 FEET 07/31/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 NOTE: The USGS maintains a gage at this site in cooperation with ADOT. See USGS Gage #09479350 Surface Water Streamflow Page 3 FCDMC Annual Surface Water Report Water Year 2008 GILA RIVER AT MARICOPA ROAD - ALL RUNOFF DATA 10,000 PERIOD OF RECORD 9,000 8,000 DISCHARGE (CFS) 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 1995 1996 1996 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 4 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Gila at Olberg Road STATION ID 0783 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 04/12/1995 04/12/1995 - CURRENT YEAR 1,615 CFS 2.41 FEET 01/29/2008 5,867 CFS 6.16 FEET 08/02/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 9 3 7 4 50 5 302 6 13 7 11 8 8 1 12 21 9 795 9 10 164 4 18 11 --207 2 301 12 --9 5 65 13 7 14 6 263 15 8 435 16 6 17 9 18 10 19 3 20 21 22 23 24 --25 --26 --27 55 28 10 29 1065 30 860 --31 --69 -------------------------------------------------------------------------------------TOTAL 0 0 216 3029 470 0 0 0 0 1083 21 0 MEAN 0 0 7 98 16 0 0 0 0 35 1 0 MAX 0 0 499 1615 545 0 0 0 0 770 552 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 429 6008 933 0 0 0 0 2149 42 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 4820 MEAN 13 MAX 1615 MIN 0 AC_FT 9561 *USGS maintained a gage at this site prior to October 1, 1998 (09478350) Surface Water Streamflow Page 5 FCDMC Annual Surface Water Report Water Year 2008 GILA RIVER AT OLBERG - ALL RUNOFF DATA 7,000 PERIOD OF RECORD 6,000 DISCHARGE (CFS) 5,000 4,000 3,000 2,000 1,000 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 6 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Santa Cruz at SR 84 STATION ID 0788 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 03/16/1994 03/16/1994 - CURRENT YEAR 146 CFS 1.83 FEET 08/31/2008 1,736 CFS 4.38 FEET 08/02/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 117 2 88 3 88 4 6 58 5 14 14 6 1 6 3 7 10 31 13 8 13 5 9 10 11 1 12 1 6 13 13 23 14 3 29 15 2 11 10 16 1 22 4 8 17 38 16 6 18 1 37 18 1 19 5 30 11 20 7 15 21 8 4 22 48 8 23 71 2 24 --67 22 25 18 --49 39 26 29 --37 23 27 17 49 28 1 65 29 39 58 30 --48 87 5 31 --------22 115 -------------------------------------------------------------------------------TOTAL 39 0 47 36 123 0 0 48 0 456 573 393 MEAN 1 0 2 1 4 0 0 2 0 15 18 13 MAX 24 0 39 52 55 0 0 48 1 82 146 135 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 78 0 93 71 243 0 0 96 0 905 1136 779 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1715 MEAN 5 MAX 146 MIN 0 AC_FT 3401 Surface Water Streamflow Page 7 FCDMC Annual Surface Water Report Water Year 2008 SANTA CRUZ RIVER AT SR 84 - ALL RUNOFF DATA 2,000 1,800 1,600 Discharge (cfs) 1,400 1,200 20-YR PERIOD OF RECORD 1,000 800 10-YR 600 400 200 2-YR 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Date Santa Cruz River at SR84 Peak Annual Discharge 3,000 100-year 2,500 Discharge (cfs) 2,000 50-year 1,500 20-year 1,000 10-year 500 5-year 2-year 0 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 Water Year Surface Water Streamflow Page 8 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Greene Wash at SR 84 STATION ID 0793 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 03/23/1994 03/23/1994 - CURRENT YEAR 0 CFS 0.00 FEET NONE 1,391 CFS 3.67 FEET 08/02/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Surface Water Streamflow Page 9 FCDMC Annual Surface Water Report Water Year 2008 GREENE WASH AT SR 84 - ALL RUNOFF DATA 1,600 1,400 PERIOD OF RECORD DISCHARGE (CFS) 1,200 1,000 800 600 400 200 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 10 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Santa Rosa at SR 84 STATION ID 0798 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD EXTREME OUTSIDE PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 03/16/1994 03/16/1994 - CURRENT YEAR 379 CFS -0.04 FEET 05/22/2008 576 CFS 0.41 FEET 10/25/2000 53,100 CFS USGS 09/27/1962 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 129 23 379 24 --25 --26 --27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 1866 0 0 0 0 MEAN 0 0 0 0 0 0 0 60 0 0 0 0 MAX 0 0 0 0 0 0 0 379 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 3701 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1866 MEAN 5 MAX 379 MIN 0 AC_FT 3701 Surface Water Streamflow Page 11 FCDMC Annual Surface Water Report Water Year 2008 SANTA ROSA WASH AT SR 84 - ALL RUNOFF DATA 700 600 DISCHARGE (CFS) 500 400 300 200 100 PERIOD OF RECORD 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 12 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Salt River at Priest STATION ID 4523 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 13,223 MI2 12/07/1993 12/07/1993 - CURRENT YEAR 18,741 CFS 7.67 FEET 01/28/2008 78,850 CFS 12.57 FEET 02/16/1995 See USGS Water-Data Report AZ-07-1 for official data for this site. Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 221 2342 1027 2 961 1609 3 966 1908 4 1496 1944 5 2085 1458 6 1993 656 7 1353 154 32 8 698 18 9 115 10 185 11 1543 84 657 12 1683 1142 733 13 484 1350 399 431 14 1441 382 2 15 1604 624 16 1318 603 17 994 44 18 1097 279 19 969 10 20 442 21 326 22 624 23 665 24 948 25 1468 26 1441 27 1292 28 4942 1144 57 29 2152 1046 777 30 1327 --31 --2968 -------------------------------------------------------------------------------------TOTAL 0 0 3931 11389 31405 12673 0 0 0 433 884 0 MEAN 0 0 127 367 1083 409 0 0 0 14 29 0 MAX 0 0 2111 18741 4884 2595 0 0 0 2812 1537 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 7798 22589 62291 25137 0 0 0 859 1753 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 60716 MEAN 166 MAX 18741 MIN 0 AC_FT 120428 Surface Water Streamflow Page 13 FCDMC Annual Surface Water Report Water Year 2008 SALT RIVER AT PRIEST DRIVE - ALL RUNOFF DATA 90,000 20-YR 80,000 70,000 DISCHARGE (CFS) 60,000 10-YR 50,000 40,000 PERIOD OF RECORD 30,000 5-YR 20,000 10,000 0 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Salt River at Priest Drive Peak Annual Discharge 200,000 180,000 100-year 160,000 Discharge (cfs) 140,000 50-year 120,000 100,000 20-year 80,000 60,000 10-year 40,000 20,000 5-year 0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 14 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Spookhill FRS STATION ID 4563 DRAINAGE AREA 13.6 MI2 IN-SERVICE DATE 03/13/1984 PERIOD OF AVAILABLE RECORD 12/30/1987 - CURRENT YEAR WY 2008 PEAK 55 CFS 8.90 FEET EXTREME FOR PERIOD OF RECORD 55 CFS 8.90 FEET Pool Level Data Storage Volume Data 07/10/2008 07/10/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 7 --31 17 2 --30 5 3 ----29 1 4 ----28 5 ----26 6 ----25 7 ----23 8 13 ----22 9 16 ----20 10 12 ----9 15 4 11 4 ----56 8 29 12 ----53 4 24 13 ----51 2 21 14 ----49 12 15 ----48 1 16 ----47 17 ----45 18 ----44 19 ----42 20 ----41 21 ----39 22 ----41 23 --40 24 --39 25 --38 26 --37 27 3 --36 28 25 --35 1 29 23 --35 27 30 22 ----33 25 31 --15 --------32 23 -------------------------------------------------------------------------------TOTAL 0 0 48 89 7 0 0 0 0 890 337 114 MEAN 0 0 2 3 0 0 0 0 0 29 11 4 MAX 0 4 18 26 9 0 0 0 0 58 32 31 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 96 176 15 0 0 0 0 1765 668 227 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1485 MEAN 4 MAX 58 MIN 0 AC_FT 2946 Outflow controlled by gated outlet below 9.5 feet gage height. See also Pool Level and Storage Volume data. Surface Water Streamflow Page 15 FCDMC Annual Surface Water Report Water Year 2008 SPOOKHILL FRS - ALL IMPOUND DATA 250 PERIOD OF DATA RECORD VOLUME (AF) 200 150 100 50 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 0 CALENDAR YEAR Surface Water Streamflow Page 16 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Granite Reef STATION ID 4568 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 07/21/2005 07/21/2005 - CURRENT YEAR 751 CFS 1.75 FEET 07/10/2008 751 CFS 1.75 FEET 07/10/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 --10 59 14 11 283 12 6 13 14 15 16 --17 --18 19 20 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 347 0 14 MEAN 0 0 0 0 0 0 0 0 0 11 0 0 MAX 0 0 0 0 0 0 0 0 0 751 0 325 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 689 0 28 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 362 MEAN 1 MAX 751 MIN 0 AC_FT 717 Surface Water Streamflow Page 17 FCDMC Annual Surface Water Report Water Year 2008 GRANITE REEF - ALL RUNOFF DATA 1,000 900 800 DISCHARGE (CFS) 700 600 500 400 300 200 100 PERIOD OF RECORD 0 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 18 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Price Drain at Loop 202 STATION ID 4573 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 02/18/2001 02/18/2001 - CURRENT YEAR 299 CFS 4.53 FEET 07/13/2008 993 CFS 8.50 FEET 03/04/2004 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 10 14 48 17 23 10 13 12 17 12 21 19 2 9 14 26 16 19 8 12 12 17 14 18 14 3 9 17 21 18 18 13 14 19 15 20 18 12 4 15 18 21 16 32 9 12 17 19 17 16 12 5 11 18 20 16 29 12 10 17 19 13 22 16 6 17 18 20 18 19 11 11 17 19 15 20 19 7 17 18 23 35 17 10 12 18 17 16 22 15 8 19 15 49 25 16 10 12 20 16 12 22 17 9 20 14 35 20 14 8 14 19 15 11 21 19 10 17 14 32 19 12 7 22 16 14 22 20 24 11 15 10 32 17 12 12 22 16 7 44 20 34 12 17 10 22 16 9 13 19 18 11 24 16 21 13 13 9 19 14 9 10 18 11 13 51 18 19 14 9 11 20 15 12 14 19 7 14 23 18 18 15 9 14 19 17 20 11 14 11 14 30 21 17 16 9 16 19 15 19 12 13 10 16 22 16 14 17 11 10 19 17 13 14 15 12 18 20 17 17 18 12 9 19 18 14 10 14 16 18 20 17 17 19 12 10 19 18 14 10 17 16 19 16 11 20 20 15 9 19 18 14 13 17 15 19 14 13 19 21 11 9 19 16 16 10 14 17 14 11 15 19 22 8 12 19 14 16 13 17 24 16 15 15 20 23 10 10 19 15 16 13 20 34 17 16 20 18 24 9 10 19 16 20 17 20 17 17 19 16 18 25 10 10 17 13 18 19 19 14 16 16 20 21 26 11 11 16 12 19 15 13 12 19 14 23 21 27 11 11 16 47 20 13 18 11 14 13 26 18 28 13 10 18 49 15 13 16 14 10 12 34 19 29 15 11 17 37 11 10 13 17 9 13 34 18 30 10 43 17 29 --11 11 17 10 15 22 15 31 11 --17 23 --10 --18 --18 20 -------------------------------------------------------------------------------TOTAL 386 405 696 636 486 358 460 494 455 577 609 551 MEAN 12 14 22 21 17 12 15 16 15 19 20 18 MAX 21 124 130 126 59 21 24 90 25 299 168 99 MIN 7 7 14 9 8 5 7 5 4 4 6 9 AC_FT 765 804 1380 1262 964 710 913 981 902 1145 1209 1093 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 6114 MEAN 17 MAX 299 MIN 4 AC_FT 12127 Surface Water Streamflow Page 19 FCDMC Annual Surface Water Report Water Year 2008 PRICE DRAIN - ALL RUNOFF DATA 1,200 PERIOD OF RECORD 1,000 DISCHARGE (CFS) 800 600 400 200 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 20 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Laveen Basin STATION ID 4578 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA NOT DETERMINED 11/07/2006 11/07/2006 - CURRENT YEAR 12 CFS 9.48 FEET 08/29/2008 12 CFS 9.48 FEET 08/29/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 11 12 2 10 12 3 8 12 4 5 11 11 5 10 10 6 9 9 7 3 8 1 8 8 4 7 10 7 9 4 9 3 10 2 8 11 12 7 12 12 4 13 12 14 12 1 15 11 10 16 9 9 17 8 8 18 7 7 19 1 5 20 7 1 21 7 22 4 23 24 25 3 26 12 27 1 12 28 9 12 29 8 12 30 3 7 --12 31 --2 ------12 -------------------------------------------------------------------------------TOTAL 0 3 34 35 0 0 0 0 0 152 156 82 MEAN 0 0 1 1 0 0 0 0 0 5 5 3 MAX 0 10 12 10 0 0 0 0 0 12 12 12 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 5 68 70 0 0 0 0 0 302 309 163 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 463 MEAN 1 MAX 12 MIN 0 AC_FT 918 Surface Water Streamflow Page 21 FCDMC Annual Surface Water Report Water Year 2008 LAVEEN BASIN - ALL VOLUMETRIC DATA 40 PERIOD OF RECORD 35 VOLUME (ACRE-FEET) 30 25 20 15 10 5 0 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 22 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Reata Pass Wash STATION ID 4588 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 7.9 MI2 05/15/2001 05/15/2001 - CURRENT YEAR 314 CFS 1.10 FEET 649 CFS 1.52 FEET 12/01/2007 09/03/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 5 2 3 4 5 6 7 8 3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 3 26 27 1 28 10 29 2 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 8 11 0 0 0 0 0 0 5 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 314 134 0 0 0 0 0 0 174 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 16 22 0 0 0 0 0 0 9 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 24 MEAN 0 MAX 314 MIN 0 AC_FT 47 Surface Water Streamflow Page 23 FCDMC Annual Surface Water Report Water Year 2008 REATA PASS WASH - ALL RUNOFF DATA 700 600 PERIOD OF RECORD DISCHARGE (CFS) 500 400 300 200 100 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 24 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System IBW near McKellips Road STATION ID 4603 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 101 MI2 05/21/1985 11/10/1987 - CURRENT YEAR 2,152 CFS 4.05 FEET 4,784 CFS 6.20 FEET 01/28/2008 10/06/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 513 2 8 2 186 3 43 4 9 3 5 4 2 6 7 4 32 16 8 153 68 54 9 82 11 10 24 2 11 10 55 12 6 9 13 6 34 14 3 7 15 1 4 16 1 17 18 5 19 4 20 2 21 22 4 23 5 1 24 2 25 1 26 105 27 5 58 28 826 18 29 91 631 30 15 29 --209 31 --10 ------64 -------------------------------------------------------------------------------TOTAL 0 15 1065 1076 7 0 0 1 0 110 1157 8 MEAN 0 1 34 35 0 0 0 0 0 4 37 0 MAX 0 114 1250 2152 10 0 0 5 0 369 1651 11 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 30 2112 2135 14 0 0 2 0 218 2294 15 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3438 MEAN 9 MAX 2152 MIN 0 AC_FT 6820 Surface Water Streamflow Page 25 FCDMC Annual Surface Water Report Water Year 2008 IBW NEAR MCKELLIPS RD - ALL RUNOFF DATA 8,000 7,000 20-YR 6,000 DISCHARGE (CFS) PERIOD OF RECORD 5,000 10-YR 4,000 3,000 2,000 1,000 2-YR 2009 2008 2007 2006 2005 2003 2003 2004 2002 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 0 CALENDAR YEAR Indian Bend Wash near McKellips Road Peak Annual Discharge 18,000 100-year 15,000 12,000 Discharge (cfs) 50-year 9,000 20-year 6,000 10-year 5-year 3,000 2-year 2010 2009 2008 2007 2006 2005 2004 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 0 Water Year Surface Water Streamflow Page 26 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System IBW near Indian Bend Road STATION ID 4613 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 88 MI2 09/28/1983 03/27/1992 - CURRENT YEAR 1,514 CFS 4.00 FEET 9,324 CFS 5.85 FEET 01/28/2008 07/24/1992 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 527 14 20 2 99 9 8 3 13 4 4 4 4 5 15 6 14 7 11 6 1 8 156 33 11 9 36 11 10 19 6 8 11 15 3 35 12 7 3 13 4 14 10 15 1 16 17 18 19 20 21 22 23 24 25 1 26 200 27 65 36 28 638 23 29 59 283 30 64 23 --41 31 --16 ------23 -------------------------------------------------------------------------------TOTAL 0 64 881 867 66 0 0 0 0 56 619 28 MEAN 0 2 28 28 2 0 0 0 0 2 20 1 MAX 0 918 1125 1541 15 0 0 0 0 140 689 22 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 126 1747 1720 130 0 0 0 0 111 1227 56 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2580 MEAN 7 MAX 1541 MIN 0 AC_FT 5118 Surface Water Streamflow Page 27 FCDMC Annual Surface Water Report Water Year 2008 IBW NR INDIAN BEND ROAD - ALL RUNOFF DATA 10,000 9,000 20-YR 8,000 7,000 DISCHARGE (CFS) PERIOD OF RECORD 6,000 10-YR 5,000 4,000 3,000 2,000 2-YR 1,000 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 0 CALENDAR YEAR Inidan Bend Wash near Indian Bend Road Peak Annual Discharge 25,000 100-year Discharge (cfs) 20,000 15,000 50-year 10,000 20-year 10-year 5,000 5-year 2-year 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Year Surface Water Streamflow Page 28 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System IBW at Indian School Road STATION ID 4618 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 90 MI2 11/25/1997 11/25/1997 - CURRENT YEAR 1,108 CFS 3.90 FEET 2,182 CFS 5.18 FEET 01/28/2008 08/03/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 261 2 43 3 4 5 6 7 2 8 8 58 1 9 10 11 24 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 67 27 17 28 485 3 29 39 162 30 --6 31 ---------------------------------------------------------------------------------------TOTAL 0 0 362 543 0 0 0 0 0 24 248 0 MEAN 0 0 12 18 0 0 0 0 0 1 8 0 MAX 0 80 512 1108 0 0 0 0 0 104 497 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 719 1076 0 0 0 0 0 48 492 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1177 MEAN 3 MAX 1108 MIN 0 AC_FT 2335 Surface Water Streamflow Page 29 FCDMC Annual Surface Water Report Water Year 2008 IBW AT INDIAN SCHOOL ROAD - ALL RUNOFF DATA 3,000 PERIOD OF RECORD 2,500 DISCHARGE (CFS) 2,000 1,500 1,000 500 0 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Indian Bend Wash at Indian School Road Peak Annual Discharge 25,000 Discharge (cfs) 20,000 15,000 100-year 50-year 10,000 5,000 0 1995 10-year 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 30 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System IBW Interceptor Channel STATION ID 4623 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 35 MI2 04/21/1994 04/21/1994 - CURRENT YEAR 258 CFS 2.45 FEET 480 CFS 3.35 FEET 08/29/2008 08/24/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 22 2 3 4 5 6 7 8 18 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 5 27 6 28 80 1 29 6 35 30 2 8 --31 --6 -------------------------------------------------------------------------------------TOTAL 0 2 40 106 0 0 0 0 0 0 41 0 MEAN 0 0 1 3 0 0 0 0 0 0 1 0 MAX 0 54 94 218 0 0 0 0 0 0 258 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 3 80 211 0 0 0 0 0 0 82 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 189 MEAN 1 MAX 258 MIN 0 AC_FT 376 Surface Water Streamflow Page 31 FCDMC Annual Surface Water Report Water Year 2008 IBW INTERCEPTOR CHANNEL - ALL RUNOFF DATA 500 450 PERIOD OF RECORD 400 DISCHARGE (CFS) 350 300 250 200 150 100 50 0 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 32 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System IBW at McDonald Drive STATION ID 4628 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 88 MI2 11/24/1997 11/24/1997 - CURRENT YEAR 977 CFS 1.60 FEET 3,718 CFS 3.83 FEET 01/28/2008 08/24/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 233 6 2 38 4 3 5 4 4 2 1 5 1 6 6 6 7 3 3 8 49 13 2 9 13 5 10 7 3 1 11 5 2 5 12 3 13 1 14 15 16 17 18 19 20 21 22 23 24 25 26 40 27 10 28 360 29 24 9 30 19 8 --31 --6 -------------------------------------------------------------------------------------TOTAL 0 19 357 434 33 0 0 0 0 6 49 0 MEAN 0 1 12 14 1 0 0 0 0 0 2 0 MAX 1 481 537 977 13 0 0 0 0 65 260 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 38 709 862 64 0 0 0 0 12 97 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 898 MEAN 2 MAX 977 MIN 0 AC_FT 1782 Surface Water Streamflow Page 33 FCDMC Annual Surface Water Report Water Year 2008 IBW AT McDONALD DRIVE - ALL RUNOFF DATA 5,000 PERIOD OF RECORD 4,500 4,000 DISCHARGE (CFS) 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR IBW at McDonald Drive Peak Annual Discharge 8,000 7,000 100-year 6,000 50-year Discharge (cfs) 5,000 4,000 20-year 3,000 10-year 2,000 5-year 1,000 0 1995 2-year 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 34 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Tatum Wash Inflow STATION ID 4638 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 2.17 MI2 06/03/1994 06/03/1994 - CURRENT YEAR 115 CFS 0.65 FEET 805 CFS 2.28 FEET 01/28/2008 08/24/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 2 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 5 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 5 0 0 0 0 0 0 2 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 115 0 0 0 0 0 0 95 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 10 0 0 0 0 0 0 3 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 7 MEAN 0 MAX 115 MIN 0 AC_FT 14 Surface Water Streamflow Page 35 FCDMC Annual Surface Water Report Water Year 2008 TATUM WASH - ALL RUNOFF DATA 1,200 20-YR PERIOD OF RECORD 1,000 DISCHARGE (CFS) 800 600 400 200 5-YR 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Tatum Wash Basin Inlet Peak Annual Discharge 5,000 100-year Discharge (cfs) 4,000 3,000 50-year 2,000 20-year 1,000 10-year 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1990 0 1991 5-year 2-year Year Surface Water Streamflow Page 36 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System IBW at Sweetwater STATION ID 4643 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 9.2 MI2 12/27/1990 12/27/1990 - CURRENT YEAR 545 CFS 3.08 FEET 2,093 CFS 4.90 FEET 08/25/2008 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 43 2 1 3 1 4 5 5 1 6 1 7 11 14 18 8 23 22 9 10 24 11 2 15 12 1 13 14 27 15 15 16 17 18 19 20 8 21 5 22 23 24 25 --35 26 84 27 37 5 28 36 1 29 7 48 30 44 --8 31 ---------------------------------------------------------------------------------------TOTAL 0 44 82 95 11 0 0 0 0 47 266 0 MEAN 0 1 3 3 0 0 0 0 0 2 9 0 MAX 0 216 146 129 32 0 0 3 0 292 545 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 88 163 188 21 0 0 1 0 94 527 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 546 MEAN 1 MAX 545 MIN 0 AC_FT 1083 NOTE: The gage was moved to the 36th Street bridge from the Sweetwater Road bridge on November 18, 1998. Surface Water Streamflow Page 37 FCDMC Annual Surface Water Report Water Year 2008 IBW NR SWEETWATER AVE - ALL RUNOFF DATA 3,000 PERIODS OF RECORD 2,500 20-YR DISCHARGE (CFS) 2,000 1,500 5-YR 1,000 500 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 0 CALENDAR YEAR Inidan Bend Wash at Sweetwater Peak Annual Discharge - HECWRC Implementation, N=16 4,000 3,500 100-YR 3,000 50-YR Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 1990 20-YR 10-YR 5-YR 2-YR 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 Water Year Surface Water Streamflow Page 38 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #1 STATION ID 4648 DRAINAGE AREA 1.18 MI2 IN-SERVICE DATE 03/02/1994 PERIOD OF AVAILABLE RECORD 03/02/1994 - CURRENT YEAR WY 2008 PEAK 24 CFS 1.68 FEET EXTREME FOR PERIOD OF RECORD 106 CFS 3.92 FEET Pool Level Data Storage Volume Data 07/10/2008 07/14/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 3 2 3 4 5 6 7 1 2 8 1 2 9 10 1 11 12 13 14 1 15 16 17 18 19 20 1 21 4 22 4 23 1 24 25 2 26 3 27 1 28 1 29 3 30 3 --31 ---------------------------------------------------------------------------------------TOTAL 0 3 5 1 0 0 0 1 0 12 14 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 19 20 3 0 0 0 4 0 23 20 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 6 9 1 0 0 0 1 0 23 28 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 35 MEAN 0 MAX 23 MIN 0 AC_FT 69 See also Pool Level and Storage Volume Data Surface Water Streamflow Page 39 FCDMC Annual Surface Water Report Water Year 2008 EFCC BASIN #1 - ALL VOLUMETRIC DATA 25 VOLUME (ACRE-FEET) 20 15 10 PERIOD OF RECORD 5 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 40 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Tatum Basin STATION ID 4653 DRAINAGE AREA 2.17 MI2 IN-SERVICE DATE 05/08/1998 PERIOD OF AVAILABLE RECORD 05/08/1998 - CURRENT YEAR WY 2008 PEAK 6 CFS 2.30 FEET EXTREME FOR PERIOD OF RECORD 75 CFS 9.93 FEET Pool Level Data Storage Volume Data 01/28/2008 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 1 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 1 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 6 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 1 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1 MEAN 0 MAX 6 MIN 0 AC_FT 1 See also Pool Level and Storage Volume data. Surface Water Streamflow Page 41 FCDMC Annual Surface Water Report Water Year 2008 TATUM BASIN - ALL VOLUMETRIC DATA 30 VOLUME (ACRE-FEET) 25 20 PERIOD OF RECORD 15 10 5 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 DATE Surface Water Streamflow Page 42 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #4 STATION ID 4658 DRAINAGE AREA 0.68 MI2 IN-SERVICE DATE 01/18/1994 PERIOD OF AVAILABLE RECORD 01/18/1994 - CURRENT YEAR WY 2008 PEAK 34 CFS 2.30 FEET EXTREME FOR PERIOD OF RECORD 71 CFS 3.65 FEET Pool Level Data Storage Volume Data 11/30/2007 07/14/1999 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 7 2 3 4 5 6 7 1 3 1 8 2 9 10 1 11 1 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 26 2 27 7 28 3 29 1 30 6 --31 ---------------------------------------------------------------------------------------TOTAL 0 6 12 14 0 0 0 0 0 1 5 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 34 34 32 0 0 0 0 0 15 29 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 11 24 27 0 0 0 0 0 1 9 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 37 MEAN 0 MAX 34 MIN 0 AC_FT 73 See also Pool Level and Storage Volume Data Surface Water Streamflow Page 43 FCDMC Annual Surface Water Report Water Year 2008 EFCC BASIN #4 - ALL VOLUMETRIC DATA 9 8 7 VOLUME (ACRE-FEET) PERIOD OF RECORD 6 5 4 3 2 1 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 CALENDAR YEAR Surface Water Streamflow Page 44 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC near 7th Avenue STATION ID 4668 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 14.1 MI2 05/08/1997 05/08/1997 - CURRENT YEAR 877 CFS 3.55 FEET 3,950 CFS 7.55 FEET 07/10/2008 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 70 2 2 3 4 1 6 5 5 6 7 8 16 9 8 20 1 30 9 3 10 53 11 1 24 12 1 1 13 14 6 15 3 10 16 17 18 19 20 21 7 22 23 24 25 4 21 26 64 27 61 1 28 42 29 5 19 30 53 --11 31 ---------------------------------------------------------------------------------------TOTAL 0 53 102 129 18 3 0 0 0 78 173 0 MEAN 0 2 3 4 1 0 0 0 0 3 6 0 MAX 0 375 347 254 34 13 0 0 0 877 455 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 106 202 256 35 5 0 0 0 155 344 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 556 MEAN 2 MAX 877 MIN 0 AC_FT 1103 Surface Water Streamflow Page 45 FCDMC Annual Surface Water Report Water Year 2008 EAST FORK CAVE CREEK NEAR 7TH AVENUE - ALL RUNOFF DATA 4,500 4,000 3,500 PERIOD OF RECORD DISCHARGE (CFS) 3,000 2,500 2,000 1,500 1,000 500 0 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR East Fork Cave Creek near 7th Avenue Peak Annual Discharge 8,000 100-year 7,000 6,000 50-year Discharge (cfs) 5,000 4,000 20-year 3,000 2,000 10-year 5-year 1,000 2-year 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 46 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Lake Marguarite STATION ID 4678 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 11/24/1997 11/24/1997 - CURRENT YEAR 190 CFS 1.50 FEET 12/01/2007 286 CFS 2.03 FEET 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 12 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 20 2 29 7 30 17 --31 ---------------------------------------------------------------------------------------TOTAL 0 17 12 20 0 0 0 0 0 0 9 0 MEAN 0 1 0 1 0 0 0 0 0 0 0 0 MAX 0 152 190 183 0 0 0 0 0 0 147 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 34 23 40 0 0 0 0 0 0 17 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 58 MEAN 0 MAX 190 MIN 0 AC_FT 114 NOTE: Approximately 60 cfs pass the gage before detection due to the elevation of the instrument. Surface Water Streamflow Page 47 FCDMC Annual Surface Water Report Water Year 2008 LAKE MARGUARITE - ALL RUNOFF DATA 300 250 DISCHARGE (CFS) 200 150 100 50 PERIOD OF RECORD 0 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Lake Marguerite Peak Annual Discharge 500 450 400 350 100-year Discharge (cfs) 50-year 300 250 20-year 10-year 5-year 200 2-year 150 100 50 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 48 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #3 STATION ID 4683 DRAINAGE AREA 3.52 MI2 IN-SERVICE DATE 09/13/1994 PERIOD OF AVAILABLE RECORD 09/13/1994 - CURRENT YEAR WY 2008 PEAK 14 CFS 0.45 FEET EXTREME FOR PERIOD OF RECORD 335 CFS 4.22 FEET Pool Level Data Storage Volume Data 08/25/2008 09/07/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 1 27 28 29 30 1 --31 ---------------------------------------------------------------------------------------TOTAL 0 1 0 0 0 0 0 0 0 0 1 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 8 8 0 0 0 0 0 0 13 14 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 1 1 0 0 0 0 0 0 1 2 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2 MEAN 0 MAX 14 MIN 0 AC_FT 4 See also Pool Level and Storage Volume Data Surface Water Streamflow Page 49 FCDMC Annual Surface Water Report Water Year 2008 EFCC BASIN #3 - ALL VOLUMETRIC DATA 60 VOLUME (ACRE-FEET) 50 40 30 20 PERIOD OF RECORD 10 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 0 CALENDAR YEAR Surface Water Streamflow Page 50 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Berneil Wash STATION ID 4688 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 8.3 MI2 07/30/1998 07/30/1998 - CURRENT YEAR 162 CFS 0.93 FEET 1,120 CFS 2.88 FEET 01/28/2008 08/24/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 29 2 3 4 5 6 7 1 5 8 6 9 10 2 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 6 27 22 28 35 2 29 11 30 24 --31 ---------------------------------------------------------------------------------------TOTAL 0 24 36 62 0 0 0 0 0 2 19 0 MEAN 0 1 1 2 0 0 0 0 0 0 1 0 MAX 0 126 177 162 0 0 0 0 0 34 140 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 48 71 123 0 0 0 0 0 3 38 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 143 MEAN 0 MAX 177 MIN 0 AC_FT 283 Surface Water Streamflow Page 51 FCDMC Annual Surface Water Report Water Year 2008 BERNEIL WASH - ALL RUNOFF DATA 1,200 1,000 PERIOD OF RECORD DISCHARGE (CFS) 800 600 400 200 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Berneil Wash Peak Annual Discharge 2,000 1,800 1,600 100-year Discharge (cfs) 1,400 1,200 1,000 800 600 400 50-year 20-year 10-year 5-year 2-year 200 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 52 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System IBW at Shea Boulevard STATION ID 4693 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 24.6 MI2 06/09/1998 06/09/1998 - CURRENT YEAR 1,313 CFS 2.55 FEET 5,616 CFS 4.68 FEET 08/26/2008 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 152 2 35 3 11 4 8 8 47 5 5 9 14 6 7 19 44 17 8 79 11 152 9 5 20 5 10 52 11 1 161 12 26 13 16 14 27 43 15 88 16 8 17 18 19 20 2 41 21 3 8 22 23 24 25 44 26 314 27 75 31 28 96 8 29 6 201 30 143 --60 31 --------5 -------------------------------------------------------------------------------TOTAL 17 143 291 232 27 0 0 0 0 380 992 18 MEAN 1 5 9 7 1 0 0 0 0 12 32 1 MAX 53 896 436 283 31 0 0 0 0 589 1313 77 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 33 283 578 461 54 0 0 0 0 754 1968 36 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2101 MEAN 6 MAX 1313 MIN 0 AC_FT 4167 Surface Water Streamflow Page 53 FCDMC Annual Surface Water Report Water Year 2008 IBW NEAR SHEA BLVD. - ALL RUNOFF DATA 6,000 20-YR 5,000 DISCHARGE (CFS) 4,000 PERIOD OF RECORD 3,000 5-YR 2,000 2-YR 1,000 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Indian Bend Wash near Shea Boulevard Peak Annual Discharge 9,000 100-year 8,000 7,000 50-year Discharge (cfs) 6,000 20-year 5,000 4,000 10-year 3,000 5-year 2,000 2-year 1,000 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 0 Water Year Surface Water Streamflow Page 54 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Granite Reef Wash STATION ID 4728 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 06/26/2007 06/26/2007 - CURRENT YEAR 588 CFS 6.61 FEET 08/07/2008 413 CFS 5.76 FEET 07/30/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 5 2 3 4 1 5 1 6 1 7 4 6 32 8 6 3 9 10 2 11 6 12 13 5 14 15 2 16 17 18 19 20 1 21 22 23 1 24 25 2 26 2 27 8 1 28 3 7 29 5 30 9 --31 ---------------------------------------------------------------------------------------TOTAL 0 9 14 17 3 0 0 2 0 13 54 0 MEAN 0 0 0 1 0 0 0 0 0 0 2 0 MAX 0 42 62 59 22 0 0 11 0 79 588 2 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 17 28 35 6 0 0 3 0 27 108 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 113 MEAN 0 MAX 588 MIN 0 AC_FT 224 Surface Water Streamflow Page 55 FCDMC Annual Surface Water Report Water Year 2008 GRANITE REEF WASH - ALL RUNOFF DATA 500 PERIOD OF RECORD 450 400 DISCHARGE (CFS) 350 300 250 200 150 100 50 0 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 56 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Old Cross Cut Canal near McDowell Road STATION ID 4748 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 07/27/1994 07/27/1994 - CURRENT YEAR 203 CFS 1.23 FEET 08/28/2008 349 CFS 2.30 FEET 07/20/1996 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 6 17 2 17 2 3 16 4 2 22 11 5 27 24 6 4 7 20 7 11 9 20 8 1 18 9 31 10 14 3 11 25 5 5 12 6 17 13 26 20 14 49 9 15 38 12 16 24 13 17 51 13 18 55 13 19 5 13 20 19 21 15 15 22 18 27 23 14 14 24 16 1 25 6 15 14 26 46 15 22 27 74 12 11 28 30 32 15 19 29 4 5 33 30 1 --19 8 31 --------22 -------------------------------------------------------------------------------TOTAL 0 1 25 30 18 409 4 158 0 175 411 0 MEAN 0 0 1 1 1 13 0 5 0 6 13 0 MAX 0 36 57 152 177 105 33 105 0 42 203 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 2 49 60 36 811 9 313 0 348 814 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1231 MEAN 3 MAX 203 MIN 0 AC_FT 2442 NOTE: Some flows occur as a result of releases by the Salt River Project from the Arizona Canal and by irrigation return water. Surface Water Streamflow Page 57 FCDMC Annual Surface Water Report Water Year 2008 OLD CROSS CUT AT McDOWELL - ALL RUNOFF DATA >100 CFS 400 350 DISCHARGE (CFS) 300 250 200 150 100 MANY EVENTS WITH FLOW < 100 CFS NOT PLOTTED HERE 50 PERIOD OF RECORD 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 0 CALENDAR YEAR Surface Water Streamflow Page 58 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Salt River at 67th Avenue STATION ID 4758 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 07/14/2008 07/14/2008 - CURRENT YEAR 43 CFS 1.10 FEET 08/29/2008 43 CFS 1.10 FEET 08/29/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --------------------9 2 --------------------15 3 3 --------------------13 1 4 --------------------17 1 5 --------------------3 8 6 --------------------1 5 7 --------------------3 8 8 --------------------9 6 9 --------------------6 5 10 --------------------3 10 11 --------------------2 10 12 --------------------2 12 13 --------------------20 14 ------------------2 24 15 ------------------2 4 18 16 ------------------3 8 20 17 ------------------3 11 19 18 ------------------3 10 14 19 ------------------9 1 25 20 ------------------9 2 14 21 ------------------4 7 9 22 ------------------4 5 6 23 ------------------4 7 24 ------------------3 25 ------------------3 8 26 ------------------6 18 2 27 ------------------1 15 3 28 ------------------2 17 29 ------------------3 20 1 30 ------------------1 13 1 31 ------------------1 13 -------------------------------------------------------------------------------TOTAL ------------------76 230 263 MEAN ------------------3 7 9 MAX ------------------35 43 39 MIN ------------------0 0 0 AC_FT ------------------150 457 521 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 569 MEAN 5 MAX 43 MIN 0 AC_FT 1128 Surface Water Streamflow Page 59 FCDMC Annual Surface Water Report Water Year 2008 SALT RIVER / 67TH AVE FLOW - ALL RUNOFF DATA 100 90 80 PERIOD OF RECORD DISCHARGE (CFS) 70 60 50 40 30 20 10 0 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 60 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Dreamy Draw Dam STATION ID 4803 DRAINAGE AREA 1.5 MI2 IN-SERVICE DATE 01/24/1984 PERIOD OF AVAILABLE RECORD 08/29/1988 - CURRENT YEAR WY 2008 PEAK 98 CFS 6.47 FEET EXTREME FOR PERIOD OF RECORD 164 CFS 19.17 FEET Pool Level Data Storage Volume Data 08/14/2008 10/06/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 4 2 3 4 5 6 7 4 8 2 1 9 10 2 11 2 12 13 14 4 15 1 16 17 18 19 20 21 22 23 24 25 26 4 27 3 28 5 29 5 30 4 --31 ---------------------------------------------------------------------------------------TOTAL 0 4 7 8 0 0 0 0 0 3 20 0 MEAN 0 0 0 0 0 0 0 0 0 0 1 0 MAX 0 68 32 48 0 0 0 0 0 38 98 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 8 13 16 0 0 0 0 0 7 40 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 42 MEAN 0 MAX 98 MIN 0 AC_FT 83 See also Pool Level and Surface Volume Data. Surface Water Streamflow Page 61 FCDMC Annual Surface Water Report Water Year 2008 DREAMY DRAW DAM - ALL STAGE DATA PLOTTED 25 STAGE (FEET, GAGE HEIGHT) 20 10% SPILLWAY CAPACITY 15 10 5 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 0 CALENDAR YEAR Surface Water Streamflow Page 62 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System ACDC at 36th Street STATION ID 4808 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 4.8 MI2 02/24/1994 02/24/1994 - CURRENT YEAR 48 CFS 3.82 FEET 324 CFS 7.67 FEET 01/28/2008 07/14/1999 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 3 1 2 3 4 1 5 1 6 7 1 2 2 8 2 2 9 10 1 11 1 12 13 14 15 16 17 1 18 1 19 20 1 21 22 23 24 25 26 1 27 2 28 18 2 29 1 9 30 1 --31 ---------------------------------------------------------------------------------------TOTAL 0 1 5 25 3 0 0 0 0 2 15 0 MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 0 7 7 48 5 0 0 0 0 7 36 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 3 10 50 6 0 0 0 0 4 31 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 52 MEAN 0 MAX 48 MIN 0 AC_FT 103 Surface Water Streamflow Page 63 FCDMC Annual Surface Water Report Water Year 2008 ACDC AT 36TH STREET - ALL RUNOFF DATA 350 300 250 DISCHARGE (CFS) PERIOD OF RECORD 200 150 100 50 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR ACDC at 36th Street Peak Annual Discharge 500 100-year 450 400 350 Discharge (cfs) 50-year 300 250 200 20-year 150 10-year 100 5-year 50 2-year 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Water Year Surface Water Streamflow Page 64 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System ACDC at 14th Street STATION ID 4813 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 10.2 MI2 02/09/1994 02/09/1994 - CURRENT YEAR 184 CFS 1.92 FEET 464 CFS 3.35 FEET 08/07/2008 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 2 3 4 5 6 9 7 17 11 8 18 1 9 16 10 10 2 11 12 13 14 15 16 17 18 --19 20 21 22 23 24 25 4 26 3 27 28 3 2 29 4 30 4 --31 ---------------------------------------------------------------------------------------TOTAL 0 4 1 3 69 0 0 0 0 2 25 0 MEAN 0 0 0 0 2 0 0 0 0 0 1 0 MAX 0 39 0 50 18 0 0 0 0 46 184 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 7 1 7 137 0 0 0 0 5 49 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 104 MEAN 0 MAX 184 MIN 0 AC_FT 207 Surface Water Streamflow Page 65 FCDMC Annual Surface Water Report Water Year 2008 ACDC AT 14TH STREET - PLOT OF ALL RUNOFF DATA 700 PERIOD OF RECORD 600 DISCHARGE (CFS) 500 400 300 200 100 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR ACDC at 14th Street Peak Annual Discharge 800 100-YR 700 50-YR 600 Discharge (cfs) 500 400 20-YR 10-YR 300 5-YR 200 2-YR 100 0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 66 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System 10th Street Wash Basin #1 STATION ID 4818 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 11/26/1996 PERIOD OF AVAILABLE RECORD 11/26/1996 - CURRENT YEAR WY 2008 PEAK 19 CFS 2.25 FEET EXTREME FOR PERIOD OF RECORD 32 CFS 3.33 FEET Pool Level Data Storage Volume Data 07/10/2008 07/14/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 2 3 4 5 6 7 8 1 9 10 2 11 2 12 13 14 1 15 16 17 18 19 20 21 22 23 24 25 26 2 27 1 28 1 29 30 2 --31 ---------------------------------------------------------------------------------------TOTAL 0 2 2 2 0 0 0 0 0 4 4 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 9 9 7 0 0 0 0 0 19 15 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 4 4 5 0 0 0 0 0 8 8 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 14 MEAN 0 MAX 19 MIN 0 AC_FT 28 See also Pool Level and Storage Volume Data. NOTE: Up to 300 cfs may bypass the basin. Surface Water Streamflow Page 67 FCDMC Annual Surface Water Report Water Year 2008 TENTH STREET WASH BASIN #1 - ALL VOLUMETRIC DATA 3.5 3.0 PERIOD OF RECORD VOLUME (ACRE-FEET) 2.5 2.0 1.5 1.0 0.5 0.0 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 YEAR Surface Water Streamflow Page 68 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System ACDC at 43rd Avenue STATION ID 4823 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 56 MI2 11/14/1990 11/14/1990 - CURRENT YEAR 2,344 CFS 3.85 FEET 3,849 CFS 5.20 FEET 07/10/2008 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 192 132 2 30 120 3 125 30 4 118 44 5 106 6 27 7 28 35 8 93 30 9 10 175 11 43 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 30 27 56 28 183 29 123 30 117 146 --31 --148 -------------------------------------------------------------------------------------TOTAL 0 117 719 655 326 0 0 0 0 218 95 0 MEAN 0 4 23 21 11 0 0 0 0 7 3 0 MAX 0 562 643 444 202 0 0 0 0 2344 517 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 232 1427 1299 646 0 0 0 0 432 188 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2130 MEAN 6 MAX 2344 MIN 0 AC_FT 4224 Surface Water Streamflow Page 69 FCDMC Annual Surface Water Report Water Year 2008 ACDC AT 43RD AVENUE - ALL RUNOFF DATA THROUGH WATER YEAR 2008 4,000 3,500 10-YR DISCHARGE (CFS) 3,000 2,500 5-YR 2,000 1,500 2-YR 1,000 500 PERIOD OF RECORD 2008 2009 2009 2010 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 CALENDAR YEAR ACDC at 43rd Avenue Peak Annual Discharge 7,000 100-year 6,000 50-year Discharge (cfs) 5,000 20-year 4,000 10-year 3,000 5-year 2,000 2-year 1,000 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Year Surface Water Streamflow Page 70 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix Basin #3 STATION ID 4828 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 12/18/2001 PERIOD OF AVAILABLE RECORD 12/18/2001 - CURRENT YEAR WY 2008 PEAK 41 CFS 6.15 FEET EXTREME FOR PERIOD OF RECORD 51 CFS 10.36 FEET Pool Level Data Storage Volume Data 07/10/2008 07/14/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 1 9 10 4 11 12 13 14 2 15 16 17 18 19 20 21 22 23 24 25 26 2 27 28 29 30 1 --31 ---------------------------------------------------------------------------------------TOTAL 0 1 1 1 0 0 0 0 0 4 4 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 25 27 23 0 0 0 0 0 41 40 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 1 1 2 0 0 0 0 0 8 8 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 10 MEAN 0 MAX 41 MIN 0 AC_FT 20 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 71 FCDMC Annual Surface Water Report Water Year 2008 PHOENIX BASIN #3 - ALL VOLUMETRIC DATA 14.0 PERIOD OF RECORD 12.0 VOLUME (ACRE-FEET) 10.0 8.0 6.0 4.0 2.0 0.0 2001 2002 2003 2004 2005 2006 2007 2008 2009 YEAR Surface Water Streamflow Page 72 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cave Creek at Cactus STATION ID 4833 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 33.6 MI2 06/27/1991 06/27/1991 - CURRENT YEAR 593 CFS 10.65 FEET 3,247 CFS 12.85 FEET 12/01/2007 08/03/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 289 443 2 381 425 3 499 1 403 4 498 384 5 486 343 6 452 248 7 414 24 98 8 439 169 9 15 9 416 194 1 10 369 44 17 11 271 2 107 12 255 1 1 3 13 115 1 14 15 15 16 17 18 19 20 21 2 22 1 23 24 25 1 26 147 27 58 24 28 381 29 430 1 30 37 472 --1 31 --463 -------------------------------------------------------------------------------------TOTAL 0 37 4902 2239 2358 0 0 0 0 128 188 0 MEAN 0 1 158 72 81 0 0 0 0 4 6 0 MAX 0 202 661 561 444 0 0 0 0 226 190 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 74 9722 4441 4677 0 0 0 0 253 372 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 9851 MEAN 27 MAX 661 MIN 0 AC_FT 19539 NOTE: Receding limbs of hydrographs may be significantly affected by clogging of outlet orifice. Therefore, low flows for falling hydrographs may be unrealistically high. See downstream station 4823 for a better representation of the falling limbs. Weir flow begins into main channel above 10 feet gage height. Surface Water Streamflow Page 73 FCDMC Annual Surface Water Report Water Year 2008 CAVE CREEK NEAR CACTUS - ALL RUNOFF DATA 6,000 5,000 100-YR PERIOD OF RECORD DISCHARGE (CFS) 4,000 50-YR 3,000 2,000 10-YR 1,000 2-YR 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 0 CALENDAR YEAR Cave Creek at Cactus Peak Annual Discharge 6,000 5,000 100-year 4,000 Discharge (cfs) 50-year 3,000 20-year 2,000 10-year 5-year 1,000 2-year 0 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 Water Year Surface Water Streamflow Page 74 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix East Park Dam STATION ID 4848 DRAINAGE AREA 0.11 MI2 IN-SERVICE DATE 11/28/2001 PERIOD OF AVAILABLE RECORD 11/28/2001 - CURRENT YEAR WY 2008 PEAK 19 CFS 2.42 FEET EXTREME FOR PERIOD OF RECORD 37 CFS 4.84 FEET Pool Level Data Storage Volume Data 07/10/2008 07/14/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 3 0 0 0 0 0 0 19 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 1 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1 MEAN 0 MAX 19 MIN 0 AC_FT 1 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 75 FCDMC Annual Surface Water Report Water Year 2008 PHOENIX EAST PARK DAM - ALL VOLUMETRIC DATA 1.8 1.6 PERIOD OF RECORD VOLUME (ACRE-FEET) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 2001 2002 2003 2004 2005 2006 2007 2008 2009 DATE Surface Water Streamflow Page 76 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix Basin #7 STATION ID 4853 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 12/19/2001 PERIOD OF AVAILABLE RECORD 12/19/2001 - CURRENT YEAR WY 2008 PEAK 38 CFS 5.05 FEET EXTREME FOR PERIOD OF RECORD 49 CFS 12.11 FEET Pool Level Data Storage Volume Data 07/10/2008 07/14/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --2 3 4 5 --6 --7 8 9 10 2 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 1 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 1 0 0 0 0 0 2 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 10 8 19 0 0 0 0 0 38 13 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 1 1 2 0 0 0 0 0 5 1 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 5 MEAN 0 MAX 38 MIN 0 AC_FT 9 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 77 FCDMC Annual Surface Water Report Water Year 2008 PHOENIX BASIN #7 - ALL VOLUMETRIC DATA 25 PERIOD OF RECORD VOLUME (ACRE-FEET) 20 15 10 5 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 DATE Surface Water Streamflow Page 78 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix West Park Dam STATION ID 4858 DRAINAGE AREA 0.68 MI2 IN-SERVICE DATE 11/29/2001 PERIOD OF AVAILABLE RECORD 11/29/2001 - CURRENT YEAR WY 2008 PEAK 36 CFS 4.70 FEET EXTREME FOR PERIOD OF RECORD 51 CFS 10.73 FEET Pool Level Data Storage Volume Data 07/10/2008 07/14/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 2 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 2 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 36 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 4 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2 MEAN 0 MAX 36 MIN 0 AC_FT 4 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 79 FCDMC Annual Surface Water Report Water Year 2008 PHOENIX WEST PARK DAM - ALL VOLUMETRIC DATA 20 18 PERIOD OF RECORD 16 VOLUME (ACRE-FEET) 14 12 10 8 6 4 2 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 DATE Surface Water Streamflow Page 80 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Rawhide Wash STATION ID 4863 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 9.2 MI2 07/27/1999 07/27/1999 - CURRENT YEAR 0 CFS 0.52 FEET 446 CFS 2.07 FEET NONE 09/09/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Surface Water Streamflow Page 81 FCDMC Annual Surface Water Report Water Year 2008 RAWHIDE WASH - ALL RUNOFF DATA 600 2-YR 500 DISCHARGE (CFS) 400 300 200 100 0 1999 PERIOD OF RECORD 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 82 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Skunk Tank Wash STATION ID 4888 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 03/02/2006 03/02/2006 - CURRENT YEAR 112 CFS 4.20 FEET 12/01/2007 10 CFS 2.90 FEET 08/24/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 3 4 5 6 7 8 9 1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 1 28 --29 30 1 --31 ---------------------------------------------------------------------------------------TOTAL 0 1 2 1 0 0 0 0 0 0 0 1 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 58 112 27 0 0 0 0 0 0 2 78 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 3 5 2 0 0 0 0 0 0 0 1 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 5 MEAN 0 MAX 112 MIN 0 AC_FT 11 Surface Water Streamflow Page 83 FCDMC Annual Surface Water Report Water Year 2008 SKUNK TANK WASH - ALL RUNOFF DATA 200 180 160 PERIOD OF RECORD DISCHARGE (CFS) 140 120 100 80 60 40 20 0 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 84 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cave Creek STATION ID* 4893 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 100 MI2 05/28/2003 05/28/2003 - CURRENT YEAR 3,672 CFS 5.97 FEET 11,400 CFS 9.70 FEET 12/01/2007 09/03/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 494 1 1 1 1 1 2 2 1 1 1 1 3 4 1 1 1 1 4 7 1 1 1 1 5 1 2 1 6 1 1 1 1 7 1 137 1 1 8 233 45 1 1 9 32 19 1 1 10 86 10 1 1 11 125 7 1 1 1 12 23 6 1 1 1 13 11 5 1 1 14 7 4 1 1 4 15 5 2 1 1 10 1 16 3 2 1 1 1 17 2 2 1 1 18 2 1 1 1 19 1 1 1 1 20 1 1 1 1 21 1 1 1 1 22 1 4 1 1 23 1 5 1 24 1 4 1 25 1 6 1 3 26 1 6 1 8 27 1 129 1 1 1 28 1 6 1 1 1 29 1 1 1 1 30 26 1 --1 31 --1 1 --1 -----------------------------------------------------------------------------------TOTAL 0 26 1050 413 24 17 14 9 5 20 16 31 MEAN 0 1 34 13 1 1 0 0 0 1 1 1 MAX 0 282 3672 2605 3 1 1 0 0 30 410 8 MIN 0 0 0 0 1 0 0 0 0 0 0 0 AC_FT 0 52 2082 818 47 34 28 18 10 40 31 61 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1625 MEAN 4 MAX 3672 MIN 0 AC_FT 3222 *ID number changed in May 2006 due to change in type of instrumentation. Surface Water Streamflow Page 85 FCDMC Annual Surface Water Report Water Year 2008 CAVE CREEK - ALL RUNOFF DATA 12,000 10,000 DISCHARGE (CFS) 8,000 PERIOD OF RECORD 6,000 4,000 2,000 0 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 86 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Desert Hills Wash STATION ID 4898 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 03/01/2006 03/01/2006 - CURRENT YEAR 202 CFS 4.25 FEET 12/01/2007 22 CFS 1.25 FEET 09/09/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 10 2 3 4 5 6 7 8 1 9 1 10 11 12 13 14 15 16 17 18 19 20 21 22 --23 24 25 3 26 27 4 28 1 29 30 8 --31 ---------------------------------------------------------------------------------------TOTAL 0 8 10 5 0 0 0 0 0 0 3 2 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 133 202 29 0 0 0 0 0 0 74 33 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 15 20 10 0 0 0 0 0 0 5 3 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 27 MEAN 0 MAX 202 MIN 0 AC_FT 53 Surface Water Streamflow Page 87 FCDMC Annual Surface Water Report Water Year 2008 DESERT HILLS WASH - ALL RUNOFF DATA 250 PERIOD OF RECORD DISCHARGE (CFS) 200 150 100 50 0 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 88 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cave Buttes Dam Outlet STATION ID 4903 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 191 MI2 01/25/1984 07/30/1992 - CURRENT YEAR 487 CFS 5.72 FEET 522 CFS 6.43 FEET 01/30/2008 08/24/1992 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 248 354 2 347 344 3 356 303 4 331 280 5 316 237 6 283 96 7 256 59 8 245 230 9 247 86 10 194 11 201 12 12 65 13 14 15 16 17 18 19 20 21 22 23 24 25 26 73 27 51 28 298 29 361 30 20 385 --31 --368 -------------------------------------------------------------------------------------TOTAL 0 20 3089 1839 1614 0 0 0 0 0 73 12 MEAN 0 1 100 59 56 0 0 0 0 0 2 0 MAX 0 164 429 487 429 0 0 0 0 0 178 37 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 39 6127 3648 3201 0 0 0 0 0 145 23 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 6647 MEAN 18 MAX 487 MIN 0 AC_FT 13184 Surface Water Streamflow Page 89 FCDMC Annual Surface Water Report Water Year 2008 CAVE BUTTES DAM OUTLET - ALL RUNOFF DATA 700 600 DISCHARGE (CFS) 500 400 300 200 100 PERIOD OF RECORD 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1992 1992 0 CALENDAR YEAR Surface Water Streamflow Page 90 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Stagecoach Wash STATION ID 4913 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 1.12 MI2 06/13/2001 06/13/2001 - CURRENT YEAR 38 CFS 1.39 FEET 802 CFS 5.10 FEET 01/27/2008 07/31/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 1 8 9 10 11 12 13 14 15 --16 --17 --18 19 20 21 22 23 24 25 1 26 1 27 4 28 29 1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 5 0 0 0 0 0 0 2 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 38 0 0 0 0 0 0 43 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 9 0 0 0 0 0 0 4 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 7 MEAN 0 MAX 43 MIN 0 AC_FT 13 NOTE: There are small flows coming periodically from a water storage facility about 500 feet north of the gage. All recorded flows were from this periodic discharge. Surface Water Streamflow Page 91 FCDMC Annual Surface Water Report Water Year 2008 STAGECOACH WASH - ALL RUNOFF DATA 1,000 900 800 DISCHARGE (CFS) 700 600 PERIOD OF RECORD 500 400 300 200 100 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 92 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cave Creek near Cave Creek STATION ID 4918 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD EXTREME OUTSIDE PERIOD OF RECORD DRAINAGE AREA 121 MI2 05/27/1994 05/27/1994 - CURRENT YEAR 5,270 CFS 6.28 FEET 6,500 CFS 6.96 FEET 13,800 CFS UNKNOWN 01/27/2008 09/03/2005 01/08/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 876 2 51 3 4 5 6 7 175 8 224 28 --9 --10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 37 26 5 27 1083 28 1049 29 40 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 1151 2375 0 0 0 0 0 0 42 0 MEAN 0 0 37 77 0 0 0 0 0 0 1 0 MAX 0 0 3070 5270 0 0 0 0 0 0 804 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 2283 4711 0 0 0 0 0 0 84 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3569 MEAN 10 MAX 5270 MIN 0 AC_FT 7079 Surface Water Streamflow Page 93 FCDMC Annual Surface Water Report Water Year 2008 CAVE CREEK NR CAVE CREEK - ALL RUNOFF DATA 7,000 10-YR 6,000 DISCHARGE (CFS) 5,000 4,000 5-YR 3,000 PERIOD OF RECORD 2,000 2-YR 1,000 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Cave Creek near Cave Creek Peak Annual Discharge 25,000 100-year 20,000 Discharge (cfs) 50-year 15,000 20-year 10,000 10-year 5,000 5-year 2-year 0 1950 1960 1970 1980 1990 2000 2010 Year Surface Water Streamflow Page 94 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cave Creek near Spur Cross STATION ID 4923 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 121 MI2 05/27/1994 05/27/1994 - CURRENT YEAR 6,626 CFS 12.25 FEET 13,250 CFS 16.40 FEET 12/01/2007 09/03/2005 See USGS Water-Data Report AZ-07-1 for official data for this site. Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2018 79 31 22 11 9 2 91 61 31 22 11 9 3 28 53 29 21 11 9 4 18 104 30 21 11 7 5 14 109 30 21 10 7 6 13 72 30 20 10 6 7 38 264 61 31 20 10 4 8 365 24 54 30 20 10 3 9 14 5 51 31 20 10 2 10 100 2 48 30 20 10 1 11 88 1 45 28 19 10 1 12 14 43 27 19 10 7 13 5 41 26 19 16 1 4 14 2 38 26 17 11 75 15 1 40 26 17 10 47 16 1 37 25 17 10 5 17 38 25 16 10 18 36 26 17 9 19 36 25 20 9 20 --36 26 20 9 --21 --38 25 20 9 --22 34 25 18 9 23 39 25 18 9 24 34 24 18 10 25 34 24 18 9 13 26 33 23 18 9 10 27 1872 32 24 17 10 28 1172 32 23 15 9 29 217 32 23 13 10 30 37 123 --23 11 10 31 --88 --23 --9 ---------------------------------------------------------------------------------TOTAL 0 37 2810 3768 1391 828 555 312 58 129 23 11 MEAN 0 1 91 122 48 27 18 10 2 4 1 0 MAX 0 472 6626 6238 202 33 31 75 11 416 347 21 MIN 0 0 0 0 29 23 11 6 0 0 0 0 AC_FT 0 73 5575 7474 2759 1643 1101 618 116 256 45 22 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 9923 MEAN 27 MAX 6626 MIN 0 AC_FT 19681 Surface Water Streamflow Page 95 FCDMC Annual Surface Water Report Water Year 2008 CAVE CREEK AT SPUR CROSS - ALL FCDMC RUNOFF DATA 14,000 12,000 DISCHARGE (CFS) 10,000 PERIOD OF RECORD 8,000 6,000 4,000 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2004 0 1993 2002 2,000 2007 2008 2009 CALENDAR YEAR Cave Creek near Spur Cross Peak Annual Discharge 30,000 100-year 25,000 20,000 Discharge (cfs) 50-year 15,000 20-year 10,000 10-year 5,000 5-year 2-year 2010 2009 2008 2007 2006 2005 2003 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 0 Year Surface Water Streamflow Page 96 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Reata Pass Dam STATION ID 4938 DRAINAGE AREA 1.0 MI2 IN-SERVICE DATE 10/02/2001 PERIOD OF AVAILABLE RECORD 10/02/2001 - CURRENT YEAR WY 2008 PEAK 114 CFS 4.47 FEET EXTREME FOR PERIOD OF RECORD 150 CFS 5.40 FEET Pool Level Data Storage Volume Data 01/28/2008 09/09/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 7 2 3 4 1 5 1 6 7 1 1 8 8 9 1 10 1 1 11 2 12 13 14 15 16 17 18 --19 20 21 22 23 24 25 2 26 4 27 4 28 10 29 2 30 2 --1 31 ---------------------------------------------------------------------------------------TOTAL 4 6 20 19 4 4 4 4 4 8 14 4 MEAN 0 0 1 1 0 0 0 0 0 0 0 0 MAX 0 10 41 36 0 0 0 0 0 5 30 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 8 11 40 38 8 8 8 8 8 17 27 8 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 96 MEAN 0 MAX 41 MIN 0 AC_FT 191 See also Pool Level Data. Surface Water Streamflow Page 97 FCDMC Annual Surface Water Report Water Year 2008 REATA PASS DAM - ALL IMPOUNDMENT DATA 8.0 7.0 PERIOD OF RECORD STAGE (FEET, GAGE HEIGHT) 6.0 5.0 4.0 3.0 2.0 1.0 0.0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 98 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cave Creek Fire STATION ID 4948 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 41 MI2 07/18/2005 07/18/2005 - CURRENT YEAR 3,603 CFS 6.95 FEET 17,480 CFS 11.50 FEET 01/27/2008 09/03/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 843 2 1117 3 4 5 6 7 64 8 67 9 10 --10 11 12 13 14 15 --16 17 18 19 20 21 22 23 24 25 26 27 1132 --28 337 29 1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 2436 1534 0 0 0 0 0 0 0 10 MEAN 0 0 79 49 0 0 0 0 0 0 0 0 MAX 0 0 1374 3603 0 0 0 0 0 0 0 961 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 4832 3042 0 0 0 0 0 0 0 20 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3980 MEAN 11 MAX 3603 MIN 0 AC_FT 7895 Surface Water Streamflow Page 99 FCDMC Annual Surface Water Report Water Year 2008 CAVE CREEK FIRE - ALL RUNOFF DATA 20,000 PERIOD OF RECORD 18,000 16,000 DISCHARGE (CFS) 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 100 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Seven Springs Wash STATION ID 4963 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 8.0 MI2 03/12/2002 03/12/2002 - CURRENT YEAR 1,021 CFS 5.30 FEET 11,700 CFS 10.68 FEET 12/01/2007 09/03/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 412 2 799 3 4 1 5 42 6 7 7 57 8 51 9 10 23 1 11 6 12 13 14 5 15 16 17 18 19 20 21 22 23 24 25 26 27 248 28 71 29 30 11 --31 --10 -------------------------------------------------------------------------------------TOTAL 0 11 1591 386 44 0 0 0 0 5 0 1 MEAN 0 0 51 12 2 0 0 0 0 0 0 0 MAX 0 129 1021 994 308 0 0 0 0 200 0 27 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 22 3155 766 87 0 0 0 0 10 0 2 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2038 MEAN 6 MAX 1021 MIN 0 AC_FT 4042 Surface Water Streamflow Page 101 FCDMC Annual Surface Water Report Water Year 2008 SEVEN SPRINGS WASH - ALL RUNOFF DATA 12,000 10,000 PERIOD OF RECORD DISCHARGE (CFS) 8,000 6,000 4,000 2,000 0 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Seven Springs Wash Peak Annual Discharge 12,000 10,000 Discharge (cfs) 8,000 100-year 6,000 50-year 20-year 4,000 10-year 5-year 2,000 2-year 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Flood Control District of Maricopa County ALERT System Surface Water Streamflow Page 102 FCDMC Annual Surface Water Report Water Year 2008 Columbus Wash STATION ID 5013 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA NOT DETERMINED 09/22/1999 09/22/1999 - CURRENT YEAR 217 CFS 1.40 FEET 08/07/2008 217 CFS 1.40 FEET 08/07/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 6 8 9 10 4 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 1 27 28 29 30 --4 31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 16 0 MEAN 0 0 0 0 0 0 0 0 0 0 1 0 MAX 0 0 0 0 0 0 0 0 0 0 217 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 31 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 16 MEAN 0 MAX 217 MIN 0 AC_FT 31 Surface Water Streamflow Page 103 FCDMC Annual Surface Water Report Water Year 2008 COLUMBUS WASH - ALL RUNOFF DATA 250 200 DISCHARGE (CFS) PERIOD OF RECORD 150 100 50 0 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 104 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Copper Wash STATION ID 5033 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 6.6 MI2 02/20/2001 02/20/2001 - CURRENT YEAR 155 CFS 1.72 FEET 3,780 CFS 5.69 FEET 08/26/2008 08/27/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 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 1 26 4 27 28 29 30 2 --31 ---------------------------------------------------------------------------------------TOTAL 0 2 1 0 0 0 0 0 0 0 5 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 32 0 0 0 0 0 0 0 0 155 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 3 2 0 0 0 0 0 0 0 11 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 8 MEAN 0 MAX 155 MIN 0 AC_FT 16 Surface Water Streamflow Page 105 FCDMC Annual Surface Water Report Water Year 2008 COPPER WASH - ALL RUNOFF DATA 4,000 3,500 DISCHARGE (CFS) 3,000 2,500 2,000 1,500 1,000 PERIOD OF RECORD 500 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 106 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Fourth of July Wash STATION ID 5043 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 3.7 MI2 03/14/2002 03/14/2002 - CURRENT YEAR 447 CFS 1.45 FEET 2,149 CFS 4.35 FEET 08/25/2008 08/30/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 13 2 --3 4 5 --6 7 8 9 10 2 11 6 12 13 3 14 15 16 17 18 19 --20 --21 --22 --23 24 25 17 26 15 27 28 29 30 17 --31 ---------------------------------------------------------------------------------------TOTAL 0 17 20 0 0 0 0 0 0 3 32 0 MEAN 0 1 1 0 0 0 0 0 0 0 1 0 MAX 0 408 183 0 0 0 0 0 0 151 447 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 34 40 0 0 0 0 0 0 7 63 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 73 MEAN 0 MAX 447 MIN 0 AC_FT 144 Surface Water Streamflow Page 107 FCDMC Annual Surface Water Report Water Year 2008 FOURTH OF JULY WASH - ALL RUNOFF DATA 2,500 PERIOD OF RECORD DISCHARGE (CFS) 2,000 1,500 1,000 500 0 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Fourth of July Wash Peak Annual Discharge 2,500 2,000 100-year 50-year Discharge (cfs) 20-year 1,500 10-year 5-year 1,000 2-year 500 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 108 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cruff Wash STATION ID 5078 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 10.4 MI2 05/14/2002 05/14/2002 - CURRENT YEAR 0 CFS 0.00 FEET 1,022 CFS 3.61 FEET NONE 03/22/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Note: Station was moved in Water Year 2006, approximately 2,500 feet downstream. Surface Water Streamflow Page 109 FCDMC Annual Surface Water Report Water Year 2008 CRUFF WASH - ALL RUNOFF DATA 1,200 1,000 PERIOD OF RECORD DISCHARGE (CFS) 800 600 400 200 0 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 110 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Centennial Wash at Wenden STATION ID 5093 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 586 MI2 09/16/1998 09/16/1998 - CURRENT YEAR 7,822 CFS 4.68 FEET 24,300 CFS 7.82 FEET 08/25/2008 10/22/2000 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 10 2 1 3 4 5 6 7 8 9 7 10 68 14 11 3 12 32 13 14 15 16 17 18 19 20 21 147 22 9 23 24 25 460 26 2724 27 1262 28 36 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 11 0 0 0 0 0 0 259 4504 0 MEAN 0 0 0 0 0 0 0 0 0 8 145 0 MAX 0 6 59 0 0 0 0 0 0 930 7822 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 23 0 0 0 0 0 0 514 8934 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 4775 MEAN 13 MAX 7822 MIN 0 AC_FT 9471 Surface Water Streamflow Page 111 FCDMC Annual Surface Water Report Water Year 2008 CENTENNIAL WASH AT WENDEN - ALL RUNOFF DATA 25,000 20,000 IN SERVICE DISCHARGE (CFS) OUT OF SERVICE 15,000 10,000 5,000 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 112 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Centennial at SPRR STATION ID 5103 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 1,817 MI2 02/09/1990 02/09/1990 - CURRENT YEAR 130 CFS 4.31 FEET 08/26/2008* 9,616 CFS 9.10 FEET 02/08/1993 See USGS Water-Data Report AZ-07-1 for official data for this site. Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 27 2 3 4 5 6 7 8 9 10 11 12 14 13 14 15 16 17 18 --19 20 21 22 23 24 25 26 22 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 41 0 0 0 0 0 0 0 22 0 MEAN 0 0 1 0 0 0 0 0 0 0 1 0 MAX 0 0 130 0 0 0 0 0 0 0 130 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 82 0 0 0 0 0 0 0 45 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 64 MEAN 0 MAX 130 MIN 0 AC_FT 126 *A second peak of the same magnitude occurred on December 12, 2007. Surface Water Streamflow Page 113 FCDMC Annual Surface Water Report Water Year 2008 CENTENNIAL WASH AT SPRR - ALL RUNOFF DATA 10,000 9,000 8,000 DISCHARGE (CFS) 7,000 6,000 PERIOD OF RECORD 5,000 4,000 3,000 2,000 1,000 2008 2009 2009 2010 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 CALENDAR YEAR Centennial Wash at SPRR Peak Annual Discharge 30,000 100-year 25,000 Discharge (cfs) 20,000 50-year 15,000 20-year 10,000 10-year 5,000 5-year 2-year 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Water Year Surface Water Streamflow Page 114 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Delaney Wash STATION ID 5108 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 48.3 MI2 12/22/1999 12/22/1999 - CURRENT YEAR 556 CFS 3.67 FEET 1,400 CFS 6.02 FEET 07/10/2008 02/25/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 16 2 3 4 5 6 7 8 9 10 35 11 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 10 26 4 27 28 29 30 1 --31 ---------------------------------------------------------------------------------------TOTAL 15 15 31 15 14 15 15 15 15 60 29 15 MEAN 0 1 1 0 0 0 0 0 0 2 1 0 MAX 0 151 170 0 0 0 0 0 0 556 324 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 31 30 62 31 29 31 30 31 30 119 57 30 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 256 MEAN 1 MAX 556 MIN 0 AC_FT 508 Surface Water Streamflow Page 115 FCDMC Annual Surface Water Report Water Year 2008 DELANEY WASH - ALL RUNOFF DATA 2,000 1,800 PERIOD OF RECORD 1,600 DISCHARGE (CFS) 1,400 1,200 1,000 800 600 400 200 0 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 116 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Saddleback FRS STATION ID 5113 DRAINAGE AREA 29.6 MI2 IN-SERVICE DATE 12/16/1988 PERIOD OF AVAILABLE RECORD 12/16/1988 - CURRENT YEAR WY 2008 PEAK 29 CFS 0.60 FEET EXTREME FOR PERIOD OF RECORD 93 CFS 2.50 FEET Pool Level Data Storage Volume Data 08/25/2008 07/15/1996 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 1 26 2 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 3 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 29 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 5 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3 MEAN 0 MAX 29 MIN 0 AC_FT 5 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 117 FCDMC Annual Surface Water Report Water Year 2008 SADDLEBACK FRS - ALL VOLUMETRIC DATA 120 VOLUME (ACRE-FEET) 100 80 60 40 20 PERIOD OF RECORD 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1988 1988 0 YEAR Surface Water Streamflow Page 118 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Winters Wash STATION ID 5118 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 27.8 MI2 07/11/2000 07/11/2000 - CURRENT YEAR 211 CFS 2.01 FEET 510 CFS 3.30 FEET 09/10/2008 07/29/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 12 2 3 4 5 6 7 8 9 10 8 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 3 26 27 28 29 30 1 --31 ---------------------------------------------------------------------------------------TOTAL 0 1 12 0 0 0 0 0 0 0 3 8 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 40 34 0 0 0 0 0 0 0 47 211 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 1 23 0 0 0 0 0 0 0 6 17 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 24 MEAN 0 MAX 211 MIN 0 AC_FT 47 Surface Water Streamflow Page 119 FCDMC Annual Surface Water Report Water Year 2008 WINTERS WASH - ALL RUNOFF DATA 600 PERIOD OF RECORD 500 DISCHARGE (CFS) 400 300 200 100 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 120 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Centennial Levee STATION ID 5123 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 07/09/2003 07/09/2003 - CURRENT YEAR 0 CFS 0.65 FEET NONE 126 CFS 2.17 FEET 08/15/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Surface Water Streamflow Page 121 FCDMC Annual Surface Water Report Water Year 2008 CENTENNIAL LEVEE - ALL RUNOFF DATA 200 PERIOD OF RECORD 180 160 DISCHARGE (CFS) 140 120 100 80 60 40 20 0 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 122 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Harquahala FRS STATION ID 5128 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 102.3 MI2 03/01/1994 03/01/1994 - CURRENT YEAR 0 CFS 12.05 FEET 07/10/2008 310 CFS 21.47 FEET 10/27/2000 Storage Volume Data Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 123 FCDMC Annual Surface Water Report Water Year 2008 HARQUAHALA FRS - ALL VOLUMETRIC DATA 600 VOLUME (ACRE-FEET) 500 400 300 PERIOD OF RECORD 200 100 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 0 YEAR Surface Water Streamflow Page 124 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Tiger Wash STATION ID 5163 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD EXTREME OUTSIDE PERIOD OF RECORD DRAINAGE AREA 85.2 MI2 09/15/1999 09/15/1999 - CURRENT YEAR 598 CFS 5.90 FEET 3,935 CFS 8.90 FEET 8,070 CFS 10.17 FEET 08/25/2008 09/09/2002 09/26/1997 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 90 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 34 26 38 27 44 28 29 30 8 --31 ---------------------------------------------------------------------------------------TOTAL 0 8 90 44 0 0 0 0 0 0 72 0 MEAN 0 0 3 1 0 0 0 0 0 0 2 0 MAX 0 521 430 317 0 0 0 0 0 0 598 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 17 178 86 0 0 0 0 0 0 143 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 214 MEAN 1 MAX 598 MIN 0 AC_FT 424 Surface Water Streamflow Page 125 FCDMC Annual Surface Water Report Water Year 2008 TIGER WASH - ALL RUNOFF DATA 4,000 3,500 DISCHARGE (CFS) 3,000 2,500 2,000 1,500 1,000 500 PERIOD OF RECORD 0 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 1990 1995 2000 2005 2010 CALENDAR YEAR Tiger Wash Peak Annual Discharge 14,000 100-year 12,000 10,000 Discharge (cfs) 50-year 8,000 20-year 6,000 10-year 4,000 5-year 2,000 2-year 0 1960 1965 1970 1975 1980 1985 Year Surface Water Streamflow Page 126 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Centennial near Aguila STATION ID 5178 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 06/05/2001 06/05/2001 - CURRENT YEAR 195 CFS 2.33 FEET 08/26/2008 195 CFS 2.33 FEET 08/26/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 2 5 3 6 7 8 9 10 4 11 4 12 13 14 15 16 17 18 19 20 21 22 23 24 25 7 26 32 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 13 39 0 MEAN 0 0 0 0 0 0 0 0 0 0 1 0 MAX 0 0 0 0 0 0 0 0 0 24 195 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 27 77 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 52 MEAN 0 MAX 195 MIN 0 AC_FT 104 Surface Water Streamflow Page 127 FCDMC Annual Surface Water Report Water Year 2008 CENTENNIAL NEAR AGUILA - ALL RUNOFF DATA 200 180 160 140 DISCHARGE (CFS) PERIOD OF RECORD 120 100 80 60 40 20 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 128 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #1 FRS STATION ID 5203 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 74 MI2 07/26/1983 11/23/1987 - CURRENT YEAR 0 CFS NONE 243 CFS 4.96 FEET Storage Volume Data NONE 02/14/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 See also Pool Level and Storage Volume Data. NOTE: Because of local drawdown effects at the gage on the principal outlet, discharges for stages below about one foot gage height are approximate. Surface Water Streamflow Page 129 FCDMC Annual Surface Water Report Water Year 2008 BUCKEYE #1 FRS - ALL VOLUMETRIC DATA 600 VOLUME (ACRE-FEET) 500 400 300 PERIOD OF RECORD 200 100 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 0 CALENDAR YEAR Surface Water Streamflow Page 130 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #2 FRS STATION ID 5208 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 5.7 MI2 11/11/1992 11/11/1992 - CURRENT YEAR 0 CFS NONE 121 CFS 4.66 FEET Storage Volume Data NONE 02/14/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 See also Pool Level and Storage Volume Data. NOTE: Because of local drawdown effects at the gage on the principal outlet, discharges for stages below about one foot gage height are approximate. Surface Water Streamflow Page 131 FCDMC Annual Surface Water Report Water Year 2008 BUCKEYE #2 FRS - ALL VOLUMETRIC DATA 100 90 80 VOLUME (ACRE-FEET) 70 60 50 40 30 PERIOD OF RECORD 20 10 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 0 CALENDAR YEAR Surface Water Streamflow Page 132 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Jackrabbit Wash STATION ID 5218 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD EXTREME OUTSIDE PERIOD OF RECORD DRAINAGE AREA 120 MI2 10/31/2000 10/31/2000 - CURRENT YEAR 950 CFS 3.27 FEET 6,000 CFS 5.70 FEET 32,400 CFS 9.90 FEET 08/26/2008 09/08/2002 10/27/2000 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 87 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 87 0 MEAN 0 0 0 0 0 0 0 0 0 0 3 0 MAX 0 0 0 0 0 0 0 0 0 0 950 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 172 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 87 MEAN 0 MAX 950 MIN 0 AC_FT 172 Surface Water Streamflow Page 133 FCDMC Annual Surface Water Report Water Year 2008 JACKRABBIT WASH - ALL RUNOFF DATA 35,000 30,000 DISCHARGE (CFS) 25,000 20,000 PERIOD OF RECORD 15,000 10,000 5,000 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Jackrabbit Wash Peak Annual Discharge 50,000 100-year 45,000 40,000 Discharge (cfs) 35,000 30,000 50-year 25,000 20,000 20-year 15,000 10,000 5,000 10-year 5-year 2-year 0 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 Year Surface Water Streamflow Page 134 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hassayampa near Morristown STATION ID 5223 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD EXTREME OUTSIDE PERIOD RECORD DRAINAGE AREA 796 MI2 05/07/1996 05/07/1996 - CURRENT YEAR 1,473 CFS 9.48 FEET 14,962 CFS 14.05 FEET 47,500 CFS 19.00 FEET 08/25/2008 02/12/2005 09/05/1970 See USGS Water-Data Report AZ-07-1 for official data for this site. Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 69 2 73 --3 11 --4 1 5 6 7 9 8 1 9 10 8 11 3 12 13 14 15 16 17 18 19 20 21 22 23 24 25 22 26 100 27 58 28 288 29 63 30 3 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 152 423 0 0 0 0 0 1 122 11 MEAN 0 0 5 14 0 0 0 0 0 0 4 0 MAX 0 0 311 948 0 0 0 0 0 11 1473 120 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 302 838 0 0 0 0 0 1 242 22 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 709 MEAN 2 MAX 1473 MIN 0 AC_FT 1406 Surface Water Streamflow Page 135 FCDMC Annual Surface Water Report Water Year 2008 HASSAYAMPA RIVER NR MORRISTOWN - ALL FCDMC RUNOFF DATA 16,000 14,000 PERIOD OF RECORD DISCHARGE (CFS) 12,000 10,000 5-YR 8,000 6,000 4,000 2-YR 2,000 0 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Hassayampa River near Morristown Peak Annual Discharge 50,000 45,000 40,000 100-year Discharge (cfs) 35,000 50-year 30,000 25,000 20-year 20,000 10-year 15,000 5-year 10,000 5,000 2-year 0 1930 1940 1950 1960 1970 1980 1990 2000 2010 Year Surface Water Streamflow Page 136 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hassayampa River at US60 STATION ID 5228 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 711 MI2 03/14/1994 03/14/1994 - CURRENT YEAR 3,757 CFS 2.44 FEET 16,089 CFS 4.32 FEET 08/25/2008 02/12/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 --6 7 8 9 10 11 12 13 14 15 16 17 --18 --19 20 21 22 23 24 25 269 26 27 422 28 221 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 644 0 0 0 0 0 0 269 0 MEAN 0 0 0 21 0 0 0 0 0 0 9 0 MAX 0 0 0 2854 0 0 0 0 0 0 3757 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 1277 0 0 0 0 0 0 533 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 913 MEAN 2 MAX 3757 MIN 0 AC_FT 1810 NOTE: This gage location is a wide mobile sand bed channel. Therefore, data relilability is considered poor. See also gage #5308 upstream and USGS gage ‘Hassayampa River near Morristown” #09516500, downstream for additional data and comparative flood flow frequency for this site. Surface Water Streamflow Page 137 FCDMC Annual Surface Water Report Water Year 2008 HASSAYAMPA RIVER AT US 60 - ALL RUNOFF DATA 20,000 18,000 16,000 DISCHARGE (CFS) 14,000 PERIOD OF RECORD 12,000 10,000 5-YR 8,000 6,000 4,000 2-YR 2,000 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 0 CALENDAR YEAR Hassayampa River at US60 Peak Annual Discharge 50,000 45,000 100-year 40,000 35,000 Discharge (cfs) 50-year 30,000 25,000 20,000 20-year 15,000 10-year 10,000 5-year 5,000 2-year 0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 138 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sunset FRS STATION ID 5233 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 0.95 MI2 02/12/1989 02/12/1989 - CURRENT YEAR 19 CFS 5.13 FEET 43 CFS 12.27 FEET Storage Volume Data 11/30/2007 09/26/1997 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 19 12 10 8 14 2 17 11 9 3 13 3 16 11 6 13 4 15 16 1 12 5 14 15 12 6 14 15 12 7 14 10 11 8 14 12 11 9 14 12 10 10 13 11 1 10 11 12 11 12 9 12 12 10 11 8 13 11 9 12 4 14 7 3 14 1 15 13 16 12 17 12 18 11 19 11 20 1 11 21 10 10 22 11 9 23 12 6 8 24 12 14 3 25 11 13 3 26 10 12 4 17 27 10 10 12 12 16 28 14 8 11 11 16 29 14 2 11 11 15 30 2 13 --11 10 15 31 --12 ----10 --9 14 -------------------------------------------------------------------------------TOTAL 0 2 192 141 167 0 0 100 26 209 107 140 MEAN 0 0 6 5 6 0 0 3 1 7 3 5 MAX 0 19 19 15 16 0 0 14 10 15 18 14 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 4 381 280 332 0 0 198 51 415 213 278 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1084 MEAN 3 MAX 19 MIN 0 AC_FT 2150 NOTE: Outlet data based on assumption that the outlet gate is fully open, which is not necessarily the case. See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 139 FCDMC Annual Surface Water Report Water Year 2008 SUNSET FRS - ALL VOLUMETRIC DATA 40 PERIOD OF RECORD 35 VOLUME (ACRE-FEET) 30 25 20 15 10 5 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 0 YEAR Surface Water Streamflow Page 140 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sunnycove FRS STATION ID 5248 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 1.35 MI2 07/01/1986 12/16/1988 - CURRENT YEAR WY2000:WY1999 33 CFS 9.72 FEET 57 CFS 21.68 FEET Storage Volume Data 12/01/2007 08/22/1992 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 32 26 24 23 2 31 26 24 21 3 31 26 23 4 31 26 24 5 31 26 24 6 31 26 23 7 31 26 21 8 --31 25 21 9 --31 25 20 10 31 25 3 11 30 25 12 30 25 13 31 25 14 31 25 15 29 25 16 27 25 17 28 25 18 27 25 19 27 25 20 27 25 21 27 24 22 27 24 23 27 24 24 26 24 25 26 24 4 26 26 24 24 27 26 24 24 28 26 24 24 29 26 24 23 30 1 26 24 --23 31 --26 24 ------24 -------------------------------------------------------------------------------TOTAL 0 1 890 772 206 0 0 0 0 0 145 44 MEAN 0 0 29 25 7 0 0 0 0 0 5 1 MAX 20 31 33 29 25 0 0 0 0 0 25 25 MIN 0 0 26 24 0 0 0 0 0 0 0 0 AC_FT 0 2 1765 1531 409 0 0 0 0 0 288 87 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2058 MEAN 6 MAX 33 MIN 0 AC_FT 4082 NOTE: Outflow data based on assumption that the outlet gate is fully open, which is not necessarily the case. See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 141 FCDMC Annual Surface Water Report Water Year 2008 SUNNYCOVE FRS - ALL VOLUMETRIC DATA 60 PERIOD OF RECORD VOLUME (ACRE-FEET) 50 40 30 20 10 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 0 YEAR Surface Water Streamflow Page 142 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Vulture Mine Road STATION ID 5263 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 10/26/2005 10/26/2005 – CURRENT YEAR 0 CFS 0.98 FEET 05/23/2008 58 CFS 2.67 FEET 07/25/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Surface Water Streamflow Page 143 FCDMC Annual Surface Water Report Water Year 2008 VULTURE MINE ROAD - ALL RUNOFF DATA 50 PERIOD OF RECORD 45 40 DISCHARGE (CFS) 35 30 25 20 15 10 5 0 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 144 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Box Wash STATION ID 5273 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 6.0 MI2 03/11/2003 03/11/2003 - CURRENT YEAR 134 CFS 1.58 FEET 159 CFS 1.65 FEET 08/25/2008 02/12/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 21 22 23 24 25 2 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 1 2 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 42 134 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 1 4 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3 MEAN 0 MAX 134 MIN 0 AC_FT 5 Surface Water Streamflow Page 145 FCDMC Annual Surface Water Report Water Year 2008 BOX WASH - ALL RUNOFF DATA 500 PERIOD OF RECORD 450 400 DISCHARGE (CFS) 350 300 250 200 150 100 50 0 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 146 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sols Wash at SR 71 STATION ID 5276 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 10 MI2 09/12/2001 09/12/2001 - CURRENT YEAR 346 CFS 1.83 FEET 346 CFS 1.83 FEET 08/09/2008 08/09/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 --3 --4 5 6 7 8 9 15 1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 2 0 0 0 0 0 0 0 15 1 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 97 0 0 0 0 0 0 0 346 70 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 4 0 0 0 0 0 0 0 29 2 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 18 MEAN 0 MAX 346 MIN 0 AC_FT 35 Surface Water Streamflow Page 147 FCDMC Annual Surface Water Report Water Year 2008 SOLS WASH AT SR 71 - ALL RUNOFF DATA 400 PERIOD OF RECORD 350 DISCHARGE (CFS) 300 250 200 150 100 50 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 148 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hassayampa River at I-10 STATION ID 5283 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 1,415 MI2 11/09/1994 11/09/1994 - CURRENT YEAR 312 CFS 1.97 FEET 11/30/2007 27,000 CFS 7.05 FEET 10/27/2000 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 26 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 16 --31 ---------------------------------------------------------------------------------------TOTAL 0 16 26 0 0 0 0 0 0 0 0 0 MEAN 0 1 1 0 0 0 0 0 0 0 0 0 MAX 0 312 312 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 31 52 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 42 MEAN 0 MAX 312 MIN 0 AC_FT 83 Surface Water Streamflow Page 149 FCDMC Annual Surface Water Report Water Year 2008 HASSAYAMPA RIVER AT I-10 - ALL RUNOFF DATA 35,000 25-YR 30,000 PERIOD OF RECORD DISCHARGE (CFS) 25,000 20,000 10-YR 15,000 10,000 5-YR 5,000 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 0 CALENDAR YEAR Hassayampa River at I-10 Peak Annual Discharge - RW Cruff Analysis 80,000 100-year 70,000 60,000 50-year Discharge (cfs) 50,000 40,000 20-year 30,000 20,000 10-year 10,000 5-year 2-year 0 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 Year Surface Water Streamflow Page 150 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sun Valley Parkway at Northern STATION ID 5303 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 08/02/2005 08/02/2005 - CURRENT YEAR 65 CFS 0.45 FEET 01/17/2008 65 CFS 0.45 FEET 01/17/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 11 18 19 20 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 11 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 65 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 22 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 11 MEAN 0 MAX 65 MIN 0 AC_FT 22 Surface Water Streamflow Page 151 FCDMC Annual Surface Water Report Water Year 2008 SUN VALLEY AT NORTHEN - ALL RUNOFF DATA 100 PERIOD OF RECORD 90 80 DISCHARGE (CFS) 70 60 50 40 30 20 10 0 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 152 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hassayampa River at Box Canyon STATION ID 5308 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD EXTREME OUTSIDE PERIOD OF RECORD DRAINAGE AREA 417 MI2 11/17/1983 10/16/1991 - CURRENT YEAR WY1996:WY1994-1995, WY1997:WY1996 2,491 CFS 7.45 FEET 01/27/2008 25,748 CFS 21.30 FEET 01/08/1993 58,000 CFS 09/05/1970 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 250 42 58 2 33 3 32 43 3 4 22 38 4 4 387 40 5 4 90 35 6 4 58 34 7 533 51 25 8 107 101 46 18 5 9 44 32 44 28 5 10 11 9 42 26 --11 4 41 18 --2 --12 40 24 ----13 2 37 23 ----14 33 25 --15 29 20 --16 29 17 17 22 24 18 22 26 19 22 25 20 22 26 21 23 22 22 18 22 23 42 26 24 43 14 25 58 21 175 26 50 21 188 27 549 56 9 28 819 52 21 29 166 53 30 30 79 ----31 --59 -------------------------------------------------------------------------------------TOTAL 0 0 445 2372 1504 801 0 0 0 2 373 0 MEAN 0 0 14 77 52 26 0 0 0 0 12 0 MAX 0 0 744 2491 989 79 0 0 0 13 1786 0 MIN 0 0 0 0 13 0 0 0 0 0 0 0 AC_FT 0 0 883 4704 2984 1589 0 0 0 4 740 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 5497 MEAN 15 MAX 2491 MIN 0 AC_FT 10903 Surface Water Streamflow Page 153 FCDMC Annual Surface Water Report Water Year 2008 HASSAYAMPA RIVER AT BOX CANYON - ALL RUNOFF DATA 70,000 100-YR 60,000 PERIOD OF RECORD: 1925, 1927, 1937, 1938, 1946-1982, 1992-2008. DISCHARGE (CFS) 50,000 50-YR 40,000 30,000 20-YR 20,000 10-YR 5-YR 10,000 2-YR 0 1925 1930 1935 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 DATE Hassayampa River at Box Canyon Peak Annual Discharge 70,000 100-year 60,000 Discharge (cfs) 50,000 50-year 40,000 30,000 20-year 20,000 10-year 5-year 10,000 2-year 0 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 Year Surface Water Streamflow Page 154 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hassayampa River at Wagoner STATION ID 5352 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 78 MI2 12/19/1983 11/27/1991 - CURRENT YEAR WY1996:WY1994-1995, WY1997:WY1996 0 CFS* NONE NONE 5,068 CFS 7.10 FEET 01/08/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 -----------------------------------------------------------------------------------------------TOTAL --------------0 0 0 0 0 MEAN --------------0 0 0 0 0 MAX --------------0 0 0 0 0 MIN --------------0 0 0 0 0 AC_FT --------------0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 *A base flow occurs more or less continually at this site. Because the sensor is high above the main channel, some flows above base flow may have occurred. As currently configured (since May 2008), approximately 2,500 cfs flows before detection by the transducer. NOTE: Station removed for construction October 1, 2007 through May 27, 2008. Surface Water Streamflow Page 155 FCDMC Annual Surface Water Report Water Year 2008 HASSAYAMPA RIVER AT BOX CANYON - ALL RUNOFF DATA 70,000 100-YR 60,000 PERIOD OF RECORD: 1925, 1927, 1937, 1938, 1946-1982, 1992-2008. DISCHARGE (CFS) 50,000 50-YR 40,000 30,000 20-YR 20,000 10-YR 5-YR 10,000 2-YR 0 1925 1930 1935 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 DATE Hassayampa River at Box Canyon Peak Annual Discharge 70,000 100-year 60,000 Discharge (cfs) 50,000 50-year 40,000 30,000 20-year 20,000 10-year 5-year 10,000 2-year 0 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 Year Surface Water Streamflow Page 156 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Agua Fria River at Buckeye Rd STATION ID 5403 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 2,241 MI2 10/12/1988 10/12/1988 - CURRENT YEAR 684 CFS 1.86 FEET 07/11/2008 6,341 CFS 2.10 FEET 09/03/1990 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 11 42 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 42 0 0 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 0 0 0 0 0 0 0 684 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 83 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 42 MEAN 0 MAX 684 MIN 0 AC_FT 83 NOTE(1): No channel control at low flows limits the accuracy of flow below about 1,000 cfs. NOTE(2): Gage removed at the request of MCDOT for bridge repair. Gage removed from September 15, 2003 through July 13, 2004. Surface Water Streamflow Page 157 FCDMC Annual Surface Water Report Water Year 2008 AGUA FRIA AT MC 85 - ALL RUNOFF DATA 6,000 5,000 5-YR 3,000 PERIOD OF RECORD DISCHARGE (CFS) 4,000 2,000 1,000 2-YR 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 0 CALENDAR YEAR Agua Fria River at MC 85 Peak Annual Discharge 70,000 100-year 60,000 Discharge (cfs) 50,000 50-year 40,000 30,000 20-year 20,000 10-year 10,000 5-year 2-year 0 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 Year Surface Water Streamflow Page 158 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Colter Channel STATION ID 5408 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 3.48 MI2 06/29/1994 06/29/1994 - CURRENT YEAR 40 CFS 0.82 FEET 135 CFS 1.45 FEET 07/10/2008 10/27/2000 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 5 2 3 4 5 6 7 5 1 8 1 9 10 4 11 3 12 13 14 15 16 17 18 19 20 1 1 21 22 23 24 1 25 26 27 9 28 7 29 1 30 9 --31 ---------------------------------------------------------------------------------------TOTAL 0 9 5 22 1 0 0 0 0 8 4 0 MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 0 35 27 29 10 0 0 0 0 40 22 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 17 10 44 1 0 0 0 0 16 7 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 48 MEAN 0 MAX 40 MIN 0 AC_FT 95 Surface Water Streamflow Page 159 FCDMC Annual Surface Water Report Water Year 2008 COLTER CHANNEL - ALL RUNOFF DATA 200 180 160 PERIOD OF RECORD DISCHARGE (CFS) 140 120 100 80 60 40 20 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Colter Channel Peak Annual Discharge 200 180 160 Discharge (cfs) 140 100-year 50-year 120 20-year 100 10-year 80 5-year 60 2-year 40 20 0 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 Water Year Surface Water Streamflow Page 160 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Dysart Drain at LAFB STATION ID 5413 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 52 MI2 08/22/1996 08/22/1996 - CURRENT YEAR 110 CFS 1.45 FEET 264 CFS 2.28 FEET 12/01/2007 02/14/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 44 2 7 5 3 2 4 2 5 1 3 6 2 7 3 3 8 3 1 10 9 3 10 1 1 11 5 12 4 13 4 --14 1 4 --15 3 --16 4 --17 4 18 1 11 19 11 20 8 1 21 2 22 23 3 1 24 7 25 8 1 1 26 27 2 20 28 1 23 29 30 30 --31 ---------------------------------------------------------------------------------------TOTAL 41 101 68 43 1 0 0 0 0 0 0 0 MEAN 1 3 2 1 0 0 0 0 0 0 0 0 MAX 17 96 110 85 1 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 82 201 134 86 1 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 254 MEAN 1 MAX 110 MIN 0 AC_FT 504 Surface Water Streamflow Page 161 FCDMC Annual Surface Water Report Water Year 2008 DYSART DRAIN AT LAFB - ALL RUNOFF DATA 500 450 400 350 DISCHARGE (CFS) PERIOD OF RECORD 300 250 200 150 100 50 0 1996 1996 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Dysart Drain at LAFB Peak Annual Discharge 800 700 100-year 600 50-year Discharge (cfs) 500 400 20-year 300 200 100 0 1995 10-year 5-year 2-year 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 162 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System White Tanks #3 FRS STATION ID 5418 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 20.5 MI2 03/12/1986 01/01/1988 - CURRENT YEAR 0 CFS NONE 189 CFS 2.60 FEET Storage Volume Data NONE 01/11/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 -------------------------------------------------------------------------------------------------TOTAL ----------------0 0 0 0 MEAN ----------------0 0 0 0 MAX ----------------0 0 0 0 MIN ----------------0 0 0 0 AC_FT ----------------0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 NOTE(1): Flow assumes gated outlet open, however, it is usually closed. NOTE(2): Gage removed for construction from October 1, 2007 to June 17, 2008. Surface Water Streamflow Page 163 FCDMC Annual Surface Water Report Water Year 2008 WIHTE TANKS #3 FRS - ALL VOLUMETRIC DATA 300 VOLUME (ACRE-FEET) 250 200 150 100 50 PERIOD OF RECORD 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1988 1988 0 CALENDAR YEAR Surface Water Streamflow Page 164 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Dysart Drain at El Mirage Road STATION ID 5423 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 52 MI2 08/22/1996 08/22/1996 - CURRENT YEAR 257 CFS 2.85 FEET 453 CFS 3.92 FEET 12/01/2007 08/03/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 18 6 162 5 6 5 25 9 2 2 37 5 56 2 4 10 22 13 3 20 7 27 2 13 19 24 4 15 21 1 2 24 27 9 5 12 43 1 2 10 46 6 1 6 31 1 6 10 37 6 7 1 13 25 16 14 14 12 8 17 6 59 3 8 10 11 3 9 21 1 24 9 10 9 10 1 10 10 1 26 4 17 8 6 3 11 12 26 47 1 14 10 6 2 12 2 25 29 4 2 17 12 5 13 2 27 15 2 24 4 13 5 14 13 26 29 7 21 4 12 8 15 1 29 3 2 15 6 17 7 16 1 24 3 3 19 4 20 4 17 27 25 6 19 3 13 7 18 7 47 16 8 16 5 26 19 19 3 48 14 5 10 12 27 2 20 3 44 32 2 5 11 50 3 21 4 25 32 26 15 37 24 22 3 4 24 1 27 20 16 18 23 16 8 15 2 13 23 19 5 24 38 2 18 6 5 22 25 9 25 44 7 23 10 8 14 52 5 26 5 3 11 1 15 17 31 5 27 1 19 1 83 9 27 33 3 28 3 13 2 109 8 10 19 3 29 1 1 1 18 11 12 37 30 2 81 4 8 --16 11 31 4 --6 4 --28 --2 ---------------------------------------------------------------------------------TOTAL 315 528 822 325 276 407 698 245 12 0 0 0 MEAN 10 18 27 10 10 13 23 8 0 0 0 0 MAX 53 210 257 225 35 35 81 35 6 0 0 0 MIN 0 0 0 0 0 1 4 0 0 0 0 0 AC_FT 625 1046 1631 644 547 807 1384 485 24 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3627 MEAN 10 MAX 257 MIN 0 AC_FT 7193 Note: Due to equipment change, gage ID number changed from 5422 to 5423 on January 18, 2006. Surface Water Streamflow Page 165 FCDMC Annual Surface Water Report Water Year 2008 DYSART DRAIN AT EL MIRAGE ROAD - ALL RUNOFF DATA 400 350 DISCHARGE (CFS) 300 250 200 150 100 50 PERIOD OF RECORD 0 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Dysart Drain at El Mirage Road Peak Annual Discharge 2,000 100-year 1,800 1,600 50-year Discharge (cfs) 1,400 1,200 1,000 20-year 800 10-year 600 400 200 0 1995 5-year 2-year 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 166 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Ford Canyon Wash STATION ID 5428 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 4.3 MI2 02/05/2002 02/05/2002 - CURRENT YEAR 0 CFS NONE 787 CFS 3.32 FEET NONE 09/04/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Surface Water Streamflow Page 167 FCDMC Annual Surface Water Report Water Year 2008 FORD CANYON WASH - ALL RUNOFF DATA 1,000 PERIOD OF RECORD 900 800 700 DISCHARGE (CFS) 10-YR 600 500 400 5-YR 300 200 2-YR 100 0 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Ford Canyon Wash Peak Annual Discharge 2,000 100-year 50-year 1,800 20-year 1,600 Discharge (cfs) 1,400 1,200 1,000 800 10-year 600 400 200 0 2000 5-year 2-year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 168 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System McMicken Floodway STATION ID 5438 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 305 MI2 05/19/1992 05/19/1992 - CURRENT YEAR 70 CFS 1.30 FEET 213 CFS 2.38 FEET 12/01/2007 08/27/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 12 2 4 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 6 28 11 29 5 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 16 21 0 0 0 0 0 0 0 0 MEAN 0 0 1 1 0 0 0 0 0 0 0 0 MAX 0 0 70 25 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 32 42 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 37 MEAN 0 MAX 70 MIN 0 AC_FT 74 Surface Water Streamflow Page 169 FCDMC Annual Surface Water Report Water Year 2008 McMICKEN FLOODWAY - ALL RUNOFF DATA 500 NOTE: 10-YR EVENT Q=2,600 CFS PERIOD OF RECORD 450 400 DISCHARGE (CFS) 350 300 250 200 150 100 50 0 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR McMicken Floodway Peak Annual Discharge - FEMA 1995 6,000 100-year 5,000 50-year Discharge (cfs) 4,000 3,000 10-year 2,000 1,000 0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Year Surface Water Streamflow Page 170 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System McMicken Dam STATION ID 5448 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 247 MI2 03/20/1983 02/18/1988 - CURRENT YEAR 0 CFS NONE 335 CFS 4.90 FEET Storage Volume Data NONE 09/04/1990 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 171 FCDMC Annual Surface Water Report Water Year 2008 MCMICKEN DAM - ALL VOLUMETRIC DATA 600 VOLUME (ACRE-FEET) 500 400 300 200 100 PERIOD OF RECORD 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 0 YEAR Surface Water Streamflow Page 172 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System El Mirage Drain STATION ID 5483 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 02/16/2006 02/16/2006 – CURRENT YEAR 76 CFS 1.26 FEET 12/01/2007 222 CFS 2.21 FEET 09/02/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 17 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 1 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 17 1 0 0 0 0 0 1 0 0 MEAN 0 0 1 0 0 0 0 0 0 0 0 0 MAX 0 0 76 20 0 0 0 0 0 18 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 33 3 0 0 0 0 0 1 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 19 MEAN 0 MAX 76 MIN 0 AC_FT 37 Surface Water Streamflow Page 173 FCDMC Annual Surface Water Report Water Year 2008 EL MIRAGE DRAIN - ALL RUNOFF DATA 250 DISCHARGE (CFS) 200 150 100 50 PERIOD OF RECORD 0 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 174 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Upper Trilby Wash STATION ID 5488 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 3.0 MI2 09/26/2001 09/26/2001 - CURRENT YEAR 5 CFS 1.10 FEET 129 CFS 1.77 FEET 07/10/2008 02/14/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 5 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 5 MIN 0 AC_FT 0 Surface Water Streamflow Page 175 FCDMC Annual Surface Water Report Water Year 2008 UPPER TRILBY WASH - ALL RUNOFF DATA 200 180 PERIOD OF RECORD 160 DISCHARGE (CFS) 140 120 100 80 60 40 20 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 176 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Daggs Wash STATION ID 5498 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA NOT DETERMINED 11/08/2007 11/08/2007 - CURRENT YEAR 0 CFS NONE NONE 0 CFS NONE NONE Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 -----------------------------------------------------------------------------------------TOTAL --0 0 0 0 0 0 0 0 0 0 0 MEAN --0 0 0 0 0 0 0 0 0 0 0 MAX --0 0 0 0 0 0 0 0 0 0 0 MIN --0 0 0 0 0 0 0 0 0 0 0 AC_FT --0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Station installed in WY 2008 on November 8, 2007. Surface Water Streamflow Page 177 FCDMC Annual Surface Water Report Water Year 2008 DAGGS WASH - ALL RUNOFF DATA 100 90 PERIOD OF RECORD 80 DISCHARGE (CFS) 70 60 50 No runoff recorded to date 40 30 20 10 0 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 178 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Agua Fria River at Grand Ave STATION ID 5503 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 1,628 MI2 04/27/1994 04/27/1994 - CURRENT YEAR 225 CFS 3.45 FEET 08/07/2008 6,334 CFS 6.64 FEET 09/02/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 4 8 9 10 2 11 12 13 14 15 16 17 18 19 20 1 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 3 5 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 1 1 0 0 0 0 0 0 120 225 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 6 9 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 8 MEAN 0 MAX 225 MIN 0 AC_FT 16 Surface Water Streamflow Page 179 FCDMC Annual Surface Water Report Water Year 2008 AGUA FRIA RIVER AT GRAND - ALL RUNOFF DATA 7,000 6,000 DISCHARGE (CFS) 5,000 4,000 3,000 PERIOD OF RECORD 2,000 1,000 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 180 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System New River at Glendale Ave STATION ID 5508 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 600 MI2 03/21/1990 03/21/1990 - CURRENT YEAR WY2000:WY1999 3,216 CFS 1.33 FEET 10,266 CFS 2.90 FEET 07/11/2008 02/10/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1334 723 2 1689 508 3 1059 390 4 843 445 5 643 242 6 596 7 618 37 8 971 404 345 9 933 614 10 640 168 117 11 500 60 471 12 491 13 14 60 15 16 17 75 18 60 19 20 1 107 21 22 23 24 25 26 1 27 262 28 1775 29 1534 30 305 1166 --31 --937 -------------------------------------------------------------------------------------TOTAL 0 305 10315 7119 2308 0 0 0 0 696 382 0 MEAN 0 10 333 230 80 0 0 0 0 22 12 0 MAX 0 1867 2944 3034 905 0 0 0 0 3216 2021 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 606 20460 14119 4578 0 0 0 0 1380 758 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 21125 MEAN 58 MAX 3216 MIN 0 AC_FT 41902 Surface Water Streamflow Page 181 FCDMC Annual Surface Water Report Water Year 2008 NEW RIVER AT GLENDALE AVE - ALL RUNOFF DATA 14,000 12,000 10-YR PERIOD OF RECORD DISCHARGE (CFS) 10,000 8,000 5-YR 6,000 4,000 2-YR 2,000 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 CALENDAR YEAR New River at Glendale Avenue Peak Annual Discharge 60,000 50,000 100-year Discharge (cfs) 40,000 50-year 30,000 20,000 20-year 10-year 10,000 5-year 2-year 0 1940 1950 1960 1970 1980 1990 2000 2010 Year Surface Water Streamflow Page 182 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System ACDC at 67th Avenue STATION ID 5523 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 86 MI2 06/07/1990 06/07/1990 - CURRENT YEAR WY1996:WY1994-1995 1,627 CFS 5.50 FEET 2,966 CFS 6.75 FEET 07/10/2008 08/03/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 177 146 2 101 138 3 113 129 4 115 133 2 2 5 106 109 6 97 86 19 7 94 22 34 7 8 121 37 8 172 9 86 63 3 2 10 78 22 127 5 11 67 190 12 64 19 13 25 8 14 8 15 21 16 17 18 19 20 30 21 7 22 23 7 24 2 2 25 3 26 179 27 45 87 28 154 3 29 138 59 30 67 152 --18 31 --151 -------------------------------------------------------------------------------------TOTAL 0 67 1254 789 792 0 0 9 0 376 570 8 MEAN 0 2 40 25 27 0 0 0 0 12 18 0 MAX 0 299 306 208 165 0 0 26 0 1627 462 31 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 133 2487 1565 1571 0 0 18 0 746 1131 15 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3865 MEAN 11 MAX 1627 MIN 0 AC_FT 7666 Surface Water Streamflow Page 183 FCDMC Annual Surface Water Report Water Year 2008 ACDC AT 67TH AVENUE - ALL RUNOFF DATA 4,000 PERIOD OF RECORD 3,500 DISCHARGE (CFS) 3,000 2,500 2,000 1,500 1,000 500 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 CALENDAR YEAR ACDC at 67th Avenue Peak Annual Discharge - USACE Design 35,000 30,000 100-year Discharge (cfs) 25,000 50-year 20,000 15,000 25-year 10,000 10-year 5,000 5-year 2-year 0 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 Year Surface Water Streamflow Page 184 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Adobe Dam Outlet STATION ID 5538 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 89.6 MI2 10/28/1982 08/03/1990 - CURRENT YEAR 679 CFS 5.20 FEET 3,193 CFS 11.39 FEET 12/01/2007 08/16/1990 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --494 2 234 3 4 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 11 28 335 29 27 30 2 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 731 375 0 0 0 0 0 0 0 0 MEAN 0 0 24 12 0 0 0 0 0 0 0 0 MAX 0 5 679 497 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1451 744 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1107 MEAN 3 MAX 679 MIN 0 AC_FT 2195 See also Pool Level and Storage Volume Data Surface Water Streamflow Page 185 FCDMC Annual Surface Water Report Water Year 2008 ADOBE DAM OUTLET - ALL RUNOFF DATA 4,000 PERIOD OF RECORD 3,500 DISCHARGE (CFS) 3,000 2,500 2,000 1,500 1,000 500 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 CALENDAR YEAR Surface Water Streamflow Page 186 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Scatter Wash STATION ID 5543 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 18.1 MI2 09/18/1996 09/18/1996 - CURRENT YEAR 497 CFS 2.67 FEET 1,784 CFS 3.42 FEET 12/01/2007 07/25/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 210 ----2 9 ----3 ----4 ----5 ----6 ----7 1 3 ----8 26 ----9 ----10 12 ----11 2 ----12 ----13 ----14 ----15 ----16 ----17 ----18 ----19 ------20 ------21 ------22 ------23 ------24 ------25 ------26 ------27 69 ------28 59 ----29 ----30 106 ------31 -----------------------------------------------------------------------------------------TOTAL 0 106 245 131 0 0 0 0 0 14 0 --MEAN 0 4 8 4 0 0 0 0 0 0 0 --MAX 0 422 497 352 0 0 0 0 0 238 0 --MIN 0 0 0 0 0 0 0 0 0 0 0 --AC_FT 0 210 486 259 0 0 0 0 0 28 0 -------------------------------------------------------------------------------WTR YR 2008 TOTAL 496 MEAN 1 MAX 497 MIN 0 AC_FT 984 Surface Water Streamflow Page 187 FCDMC Annual Surface Water Report Water Year 2008 SCATTER WASH - ALL RUNOFF DATA 2,000 1,800 1,600 PERIOD OF RECORD DISCHARGE (CFS) 1,400 1,200 1,000 800 600 400 200 0 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Scatter Wash Peak Annual Discharge 7,000 6,000 100-year Flood Flow Frequency based on 1995 Flood Insurance Study Discharge (cfs) 5,000 4,000 50-year 3,000 2,000 20-year 1,000 10-year 5-year 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 188 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Skunk Creek at I-17 STATION ID 5568 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 64.7 MI2 10/26/1989 08/11/1990 - CURRENT YEAR 2,739 CFS 3.57 FEET 7,015 CFS 5.09 FEET 12/01/2007 08/23/1992 See USGS Water-Data Report AZ-07-1 for official data for this site. Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1059 2 6 3 4 5 6 7 2 8 1 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 38 26 2 27 67 28 35 29 30 161 --31 ---------------------------------------------------------------------------------------TOTAL 0 161 1067 101 0 0 0 0 0 0 40 0 MEAN 0 5 34 3 0 0 0 0 0 0 1 0 MAX 0 1209 2739 479 0 0 0 0 0 0 699 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 320 2117 201 0 0 0 0 0 0 80 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1370 MEAN 4 MAX 2739 MIN 0 AC_FT 2718 Surface Water Streamflow Page 189 FCDMC Annual Surface Water Report Water Year 2008 SKUNK CREEK AT I-17 - ALL RUNOFF DATA 8,000 PERIOD OF RECORD 7,000 DISCHARGE (CFS) 6,000 5,000 4,000 3,000 2,000 1,000 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 0 CALENDAR YEAR Skunk Creek at I-17 Peak Annual Discharge 25,000 100-year 20,000 Discharge (cfs) 50-year 15,000 20-year 10,000 10-year 5,000 5-year 2-year 0 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 Year Surface Water Streamflow Page 190 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cline Creek STATION ID 5583 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 10 MI2 11/20/2001 11/20/2001 - CURRENT YEAR 593 CFS 3.09 FEET 260 CFS 2.04 FEET 12/01/2007 10/10/2003 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 72 2 3 4 5 6 7 1 8 9 10 11 12 --13 --14 --15 16 17 18 19 20 21 22 23 24 25 7 26 27 37 28 7 29 30 2 --31 ---------------------------------------------------------------------------------------TOTAL 0 2 72 45 0 0 0 0 0 0 7 0 MEAN 0 0 2 1 0 0 0 0 0 0 0 0 MAX 0 63 593 177 0 0 0 0 0 29 186 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 5 143 90 0 0 0 0 0 1 15 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 128 MEAN 0 MAX 593 MIN 0 AC_FT 253 Surface Water Streamflow Page 191 FCDMC Annual Surface Water Report Water Year 2008 CLINE CREEK - ALL RUNOFF DATA 500 PERIOD OF RECORD 450 400 DISCHARGE (CFS) 350 300 250 200 150 100 50 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 CALENDAR YEAR Surface Water Streamflow Page 192 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Skunk Creek near New River STATION ID 5588 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 4 MI2 06/21/1995 06/21/1995 - CURRENT YEAR 453 CFS 2.66 FEET 949 CFS 3.90 FEET 01/27/2008 07/15/1999 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 75 1 2 4 --3 --4 5 6 7 17 2 8 9 9 6 10 --5 11 6 12 13 14 3 15 16 17 18 19 20 21 22 23 24 25 --1 26 27 63 28 40 29 11 30 1 3 --31 --------3 -------------------------------------------------------------------------------TOTAL 0 1 111 118 0 0 0 0 0 3 4 12 MEAN 0 0 4 4 0 0 0 0 0 0 0 0 MAX 0 18 422 453 0 0 0 0 0 88 112 126 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 2 221 235 0 0 0 0 0 7 8 23 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 250 MEAN 1 MAX 453 MIN 0 AC_FT 495 Surface Water Streamflow Page 193 FCDMC Annual Surface Water Report Water Year 2008 SKUNK CREEK NEAR NEW RIVER - ALL RUNOFF DATA 2,000 1,800 1,600 PERIOD OF RECORD DISCHARGE (CFS) 1,400 1,200 1,000 10-YR 800 600 400 200 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2006 2007 2008 2009 2010 CALENDAR YEAR Skunk Creek nr New River Annual Peak Discharge - HECWRC Implementation, N=14 3,000 100-year 2,500 50-year Discharge (cfs) 2,000 1,500 20-year 1,000 10-year 5-year 500 2-year 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Year Surface Water Streamflow Page 194 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System New River at Bell Road STATION ID 5598 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 185 MI2 04/04/1990 04/04/1990 - CURRENT YEAR WY1996:WY1995 1,220 CFS 1.88 FEET 4,005 CFS 5.77 FEET 01/28/2008 09/02/1990 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 199 2 751 3 176 4 10 1 5 6 7 8 163 61 9 134 5 10 10 11 12 --13 14 1 15 1 16 17 18 19 1 20 21 22 23 24 25 26 27 3 28 1085 29 837 30 5 214 --31 --10 -------------------------------------------------------------------------------------TOTAL 0 5 1443 2220 0 0 0 0 0 0 0 0 MEAN 0 0 47 72 0 0 0 0 0 0 0 0 MAX 0 33 1022 1220 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 10 2863 4403 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3668 MEAN 10 MAX 1220 MIN 0 AC_FT 7276 Surface Water Streamflow Page 195 FCDMC Annual Surface Water Report Water Year 2008 NEW RIVER AT BELL ROAD - ALL RUNOFF DATA 7,000 5-YR 6,000 PERIOD OF RECORD DISCHARGE (CFS) 5,000 4,000 3,000 2,000 2-YR 1,000 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 CALENDAR YEAR New River at Bell Road Peak Annual Discharge - HEC1 Analysis 45,000 100-year 40,000 35,000 50-year Discharge (cfs) 30,000 25,000 20-year 20,000 15,000 10-year 10,000 5-year 5,000 2-year 0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Year Surface Water Streamflow Page 196 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System New River Dam Outlet STATION ID 5613 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level DRAINAGE AREA 164 MI2 04/15/1986 08/30/1988 - CURRENT YEAR 1,531 CFS 9.28 FEET 4,005 CFS 5.77 FEET Storage Volume 01/28/2008 09/02/1990 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 504 100 2 1002 51 3 409 29 4 123 21 5 17 65 6 6 75 7 4 63 48 8 451 312 25 9 335 147 13 10 148 49 7 11 160 19 5 1 12 134 9 4 1 13 58 5 3 14 29 4 3 15 12 3 1 16 6 2 1 17 4 1 18 3 1 19 2 20 1 21 22 23 24 25 26 27 155 28 1388 29 1087 30 523 --31 --234 -------------------------------------------------------------------------------------TOTAL 0 0 3408 4003 452 0 0 0 0 3 0 0 MEAN 0 0 110 129 16 0 0 0 0 0 0 0 MAX 0 0 1328 1531 137 0 0 0 0 1 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 6759 7940 896 0 0 0 0 5 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 7865 MEAN 21 MAX 1531 MIN 0 AC_FT 15600 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 197 FCDMC Annual Surface Water Report Water Year 2008 NEW RIVER DAM OUTLET - ALL RUNOFF DATA 2,000 1,800 1,600 DISCHARGE (CFS) 1,400 1,200 PERIOD OF RECORD 1,000 800 600 400 200 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1988 1988 0 CALENDAR YEAR Surface Water Streamflow Page 198 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System New River Fire STATION ID 5638 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 62 MI2 07/20/2005 07/20/2005 - CURRENT YEAR 5,912 CFS 6.87 FEET 16,230 CFS 8.50 FEET 01/27/2008 07/31/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1303 2 3 4 5 6 7 351 425 8 88 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 1547 28 545 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 1742 2517 0 0 0 0 0 0 0 0 MEAN 0 0 56 81 0 0 0 0 0 0 0 0 MAX 0 0 5269 5912 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 3455 4992 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 4259 MEAN 12 MAX 5912 MIN 0 AC_FT 8448 Surface Water Streamflow Page 199 FCDMC Annual Surface Water Report Water Year 2008 NEW RIVER FIRE - ALL RUNOFF DATA 20,000 PERIOD OF RECORD 18,000 16,000 DISCHARGE (CFS) 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 200 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System McDowell Mountain Road STATION ID 5923 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 11.9 MI2 05/18/2004 05/18/2004 - CURRENT YEAR 99 CFS 0.68 FEET 652 CFS 1.77 FEET 01/28/2008 07/23/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 2 3 4 5 6 7 8 1 9 10 11 --12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 26 27 2 28 3 1 29 1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 2 5 0 0 0 0 0 0 3 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 31 99 0 0 0 0 0 0 27 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 5 10 0 0 0 0 0 0 6 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 11 MEAN 0 MAX 99 MIN 0 AC_FT 21 Surface Water Streamflow Page 201 FCDMC Annual Surface Water Report Water Year 2008 McDOWELL MOUNTAIN ROAD - ALL RUNOFF DATA 700 600 DISCHARGE (CFS) 500 400 300 PERIOD OF RECORD 200 100 0 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR McDowell Mountain Road - HEC1 Analysis Peak Annual Discharge 4,000 100-year Discharge (cfs) 3,500 3,000 50-year 2,500 20-year 2,000 1,500 10-year 1,000 5-year 500 0 2000 2-year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 202 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Stoneridge Dam STATION ID 5968 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 0.86 MI2 12/11/1996 12/11/1996 - CURRENT YEAR 43 CFS 4.87 FEET 57 CFS 7.15 FEET Storage Volume Data 08/28/2008 08/31/1999 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 1 29 1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 2 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 6 0 0 0 0 0 0 43 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 5 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3 MEAN 0 MAX 43 MIN 0 AC_FT 5 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 203 FCDMC Annual Surface Water Report Water Year 2008 STONERIDGE DAM - ALL VOLUMETRIC DATA 2.0 1.8 1.6 PERIOD OF RECORD VOLUME (ACRE-FEET) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 0.0 YEAR Surface Water Streamflow Page 204 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sun Ridge Canyon Dam STATION ID 5973 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 1.60 MI2 02/04/1997 02/04/1997 - CURRENT YEAR 93 CFS 5.06 FEET 140 CFS 7.68 FEET Storage Volume Data 08/28/2008 10/26/1998 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 6 3 29 2 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 6 0 0 0 5 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 25 0 0 0 93 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 12 0 0 0 9 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 11 MEAN 0 MAX 93 MIN 0 AC_FT 22 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 205 FCDMC Annual Surface Water Report Water Year 2008 SUNRIDGE CANYON DAM - ALL VOLUMETRIC DATA 0.50 0.45 0.40 VOLUME (ACRE-FEET) 0.35 0.30 PERIOD OF RECORD 0.25 0.20 0.15 0.10 0.05 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 0.00 YEAR Surface Water Streamflow Page 206 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Golden Eagle Park Dam STATION ID 5978 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 7.13 MI2 12/12/1996 12/12/1996 - CURRENT YEAR 904 CFS 11.58 FEET 914 CFS 12.02 FEET Storage Volume Data 08/28/2008 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 20 2 3 4 5 19 6 62 7 34 8 39 9 10 11 102 12 28 13 14 15 16 17 18 19 20 21 22 23 24 25 32 26 230 27 38 33 28 217 51 29 258 30 --7 31 ---------------------------------------------------------------------------------------TOTAL 0 0 190 289 0 0 0 0 0 0 693 0 MEAN 0 0 6 9 0 0 0 0 0 0 22 0 MAX 0 0 721 358 0 0 0 0 0 0 892 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 377 573 0 0 0 0 0 0 1374 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1172 MEAN 3 MAX 892 MIN 0 AC_FT 2325 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 207 FCDMC Annual Surface Water Report Water Year 2008 GOLDEN EAGLE PARK DAM - ALL VOLUMETRIC DATA 20 18 16 VOLUME (ACRE-FEET) 14 12 PERIOD OF RECORD 10 8 6 4 2 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 0 CALENDAR YEAR Surface Water Streamflow Page 208 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System North Heights Dam STATION ID 5983 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 2.13 MI2 10/11/1996 10/11/1996 - CURRENT YEAR 185 CFS 11.40 FEET 218 CFS 14.82 FEET Storage Volume Data 08/28/2008 09/10/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 3 4 2 5 2 6 7 2 8 7 9 10 1 11 13 12 3 13 14 15 16 17 18 19 20 21 22 23 24 25 1 26 2 27 8 28 12 7 29 3 30 3 --31 ---------------------------------------------------------------------------------------TOTAL 0 3 26 22 2 0 0 0 0 0 14 0 MEAN 0 0 1 1 0 0 0 0 0 0 0 0 MAX 0 17 130 66 15 0 0 0 0 0 185 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 7 52 44 5 0 0 0 0 0 28 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 68 MEAN 0 MAX 185 MIN 0 AC_FT 135 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 209 FCDMC Annual Surface Water Report Water Year 2008 NORTH HEIGHTS DAM - ALL VOLUMETRIC DATA 20 18 16 VOLUME (ACRE-FEET) 14 12 PERIOD OF RECORD 10 8 6 4 2 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 0 YEAR Surface Water Streamflow Page 210 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Aspen Dam STATION ID 5988 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 2.02 MI2 01/02/1997 01/02/1997 - CURRENT YEAR 75 CFS 4.24 FEET 110 CFS 5.84 FEET Storage Volume Data 08/29/2008 03/05/2004 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 2 3 4 5 6 7 8 3 9 10 1 11 1 12 13 14 15 16 17 18 19 20 21 22 --23 24 25 26 27 2 28 13 2 29 3 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 5 15 0 0 0 0 0 1 7 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 2 17 50 0 0 0 0 0 4 75 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 10 31 0 0 0 0 0 2 14 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 28 MEAN 0 MAX 75 MIN 0 AC_FT 56 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 211 FCDMC Annual Surface Water Report Water Year 2008 ASPEN DAM - ALL VOLUMETRIC DATA 10 9 8 VOLUME (ACRE-FEET) 7 6 PERIOD OF RECORD 5 4 3 2 1 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 0 CALENDAR YEAR Surface Water Streamflow Page 212 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hesperus Dam STATION ID 5993 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 2.91 MI2 12/18/1996 12/18/1996 - CURRENT YEAR 79 CFS 4.88 FEET 153 CFS 8.93 FEET Storage Volume Data 08/28/2008 09/10/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 1 28 12 2 29 1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 14 0 0 0 0 0 0 3 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 56 0 0 0 0 0 0 79 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 27 0 0 0 0 0 0 6 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 17 MEAN 0 MAX 79 MIN 0 AC_FT 33 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 213 FCDMC Annual Surface Water Report Water Year 2008 HESPERUS DAM - ALL VOLUMETRIC DATA 4.0 3.5 VOLUME (ACRE-FEET) 3.0 2.5 PERIOD OF RECORD 2.0 1.5 1.0 0.5 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 0.0 CALENDAR YEAR Surface Water Streamflow Page 214 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Guadalupe FRS STATION ID 6503 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 1.87 MI2 06/29/1989 06/29/1989 - CURRENT YEAR 0 CFS 9.41 FEET 0 CFS 5.50 FEET Storage Volume Data 07/13/2008 08/15/1990 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 -----------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 NOTE: Gated outlet closed. See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 215 FCDMC Annual Surface Water Report Water Year 2008 GUADALUPE FRS - ALL VOLUMETRIC DATA 40 PERIOD OF RECORD 35 VOLUME (ACRE-FEET) 30 25 20 15 10 5 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 0 CALENDAR YEAR Surface Water Streamflow Page 216 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System South Mountain Fan STATION ID 6563 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 06/09/1993 06/09/1993 - CURRENT YEAR WY1996:WY1995 312 CFS 1.90 FEET 08/25/2008 757 CFS 2.75 FEET 07/07/1999 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 4 26 27 28 1 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 6 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 312 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 11 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 6 MEAN 0 MAX 312 MIN 0 AC_FT 11 Surface Water Streamflow Page 217 FCDMC Annual Surface Water Report Water Year 2008 SOUTH MOUNTAIN FAN - ALL RUNOFF DATA 1,000 PERIOD OF RECORD 900 800 DISCHARGE (CFS) 700 600 500 400 300 200 100 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 0 CALENDAR YEAR South Mountain Fan Peak Annual Discharge - HEC-1 Analysis 3,000 2,500 100-year 50-year Discharge (cfs) 2,000 1,500 1,000 25-year 10-year 5-year 500 2-year 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Year Surface Water Streamflow Page 218 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EMF at Broadway STATION ID 6573 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 15.4 MI2 08/10/1989 09/03/1990 - CURRENT YEAR 1,995 CFS 3.43 FEET 3,837 CFS 4.80 FEET 07/21/2008 09/02/1996 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 65 2 3 4 5 6 7 8 84 9 10 153 11 194 30 12 8 13 14 15 16 17 18 19 20 21 158 22 60 23 2 24 25 26 27 76 28 81 29 3 30 3 --31 ---------------------------------------------------------------------------------------TOTAL 0 3 149 157 0 0 0 0 0 574 3 31 MEAN 0 0 5 5 0 0 0 0 0 19 0 1 MAX 0 198 504 520 0 0 0 0 0 1995 8 53 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 5 295 312 0 0 0 0 0 1139 6 61 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 916 MEAN 3 MAX 1995 MIN 0 AC_FT 1818 Surface Water Streamflow Page 219 FCDMC Annual Surface Water Report Water Year 2008 EAST MARICOPA FLOODWAY AT BROADWAY - ALL RUNOFF DATA 4,000 3,500 PERIOD OF RECORD DISCHARGE (CFS) 3,000 2,500 2,000 1,500 1,000 500 2008 2009 2010 2008 2009 2010 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 0 CALENDAR YEAR EMF at Broadway Road Peak Annual Discharge 6,000 100-year 5,000 50-year Discharge (cfs) 4,000 3,000 20-year 10-year 2,000 5-year 1,000 2-year 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Year Surface Water Streamflow Page 220 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EMF at Queen Creek Road STATION ID 6583 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 104.6 MI2 01/18/1989 01/18/1989 - CURRENT YEAR WY2000:WY1998-1999 1,008 CFS 2.30 FEET 07/11/2008 2,459 CFS 3.80 FEET 10/28/2000 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 91 2 3 4 2 5 5 6 7 8 164 9 63 10 11 24 506 12 260 13 40 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 101 12 29 8 333 30 --188 31 --------10 -------------------------------------------------------------------------------TOTAL 0 0 342 109 7 0 0 0 0 806 542 0 MEAN 0 0 11 4 0 0 0 0 0 26 17 0 MAX 0 0 618 160 54 0 0 0 0 1008 531 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 679 216 13 0 0 0 0 1599 1075 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1806 MEAN 5 MAX 1008 MIN 0 AC_FT 3582 Surface Water Streamflow Page 221 FCDMC Annual Surface Water Report Water Year 2008 EAST MARICOPA FLOODWAY AT QUEEN CREEK ROAD - ALL RUNOFF DATA 3,000 PERIOD OF RECORD 2,500 DISCHARGE (CFS) 2,000 1,500 1,000 500 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 0 CALENDAR YEAR EMF at Queen Creek Road Peak Annual Discharge 6,000 100-year 5,000 50-year Discharge (cfs) 4,000 20-year 3,000 10-year 2,000 5-year 1,000 2-year 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 0 Year Surface Water Streamflow Page 222 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EMF at Arizona Avenue STATION ID 6598 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 214 MI2 02/10/1989 02/10/1989 - CURRENT YEAR 443 CFS 1.22 FEET 5,534 CFS 4.07 FEET 12/08/2007 01/11/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 71 29 2 139 4 3 78 --4 35 4 5 20 76 6 91 7 41 8 104 13 8 9 187 42 10 107 24 11 110 13 38 12 124 30 13 68 14 15 16 17 18 19 2 20 15 21 22 23 24 25 26 27 28 77 29 175 30 213 --31 --104 -------------------------------------------------------------------------------------TOTAL 0 0 1042 677 254 0 0 0 0 68 0 0 MEAN 0 0 34 22 9 0 0 0 0 2 0 0 MAX 0 0 443 261 129 0 0 0 0 84 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 2067 1343 504 0 0 0 0 134 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2041 MEAN 6 MAX 443 MIN 0 AC_FT 4047 Surface Water Streamflow Page 223 FCDMC Annual Surface Water Report Water Year 2008 EMF AT ARIZONA AVENUE - ALL RUNOFF DATA 6,000 5,000 DISCHARGE (CFS) 4,000 3,000 2,000 PERIOD OF RECORD 1,000 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 0 CALENDAR YEAR EMF at Arizona Avenue Peak Annual Discharge 6,000 100-year 5,000 Discharge (cfs) 4,000 50-year 3,000 20-year 2,000 10-year 1,000 5-year 2-year 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 0 Year Surface Water Streamflow Page 224 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Guadalupe Channel STATION ID 6603 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 13.7 MI2 08/07/1998 08/07/1998 - CURRENT YEAR 739 CFS 2.45 FEET 940 CFS 2.88 FEET 07/10/2008 07/23/2002 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 3 8 43 9 10 74 11 47 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 11 28 6 23 29 26 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 43 20 0 0 0 0 0 122 50 0 MEAN 0 0 1 1 0 0 0 0 0 4 2 0 MAX 0 0 279 100 0 0 0 0 0 739 338 22 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 85 39 0 0 0 0 0 241 98 1 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 234 MEAN 1 MAX 739 MIN 0 AC_FT 465 Surface Water Streamflow Page 225 FCDMC Annual Surface Water Report Water Year 2008 GUADALUPE CHANNEL - ALL RUNOFF DATA 1,000 900 800 PERIOD OF RECORD DISCHARGE (CFS) 700 600 500 400 300 200 100 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Guadalupe Channel Peak Annual Discharge HECWRC, N=11 1,600 100-year 1,400 50-year 1,200 Discharge (cfs) 1,000 20-year 800 10-year 600 5-year 400 2-year 200 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 0 Year Surface Water Streamflow Page 226 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Signal Butte FRS STATION ID 6628 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 16.4 MI2 11/10/1987 11/10/1987 - CURRENT YEAR 0 CFS 7.15 FEET 0 CFS 13.30 FEET Storage Volume Data 12/08/2007 01/11/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 227 FCDMC Annual Surface Water Report Water Year 2008 SIGNAL BUTTE FRS - ALL VOLUMETRIC DATA 200 PERIOD OF RECORD 180 160 VOLUME (ACRE-FEET) 140 120 100 80 60 40 20 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 0 YEAR Surface Water Streamflow Page 228 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Spookhill McDowell STATION ID 6637 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 06/19/2008 06/19/2008 - CURRENT YEAR 57 CFS 7.43 FEET 07/10/2008 57 CFS 7.43 FEET 07/10/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ------------------32 26 2 ------------------31 25 3 ------------------29 25 4 ------------------28 22 5 ------------------27 6 ------------------27 7 ------------------27 8 ------------------26 9 ------------------26 10 ------------------9 26 4 11 ------------------56 25 29 12 ------------------53 25 27 13 ------------------51 25 26 14 ------------------50 19 26 15 ------------------48 26 16 ------------------46 26 17 ------------------45 25 18 ------------------44 25 19 ----------------42 16 20 ----------------41 21 ----------------39 22 ----------------41 23 ----------------40 24 ----------------39 25 ----------------38 26 ----------------37 27 ----------------36 28 ----------------35 3 29 ----------------35 27 30 ----------------34 26 31 ------------------33 26 -------------------------------------------------------------------------------TOTAL ----------------0 891 455 330 MEAN ----------------0 29 15 11 MAX ----------------0 57 32 32 MIN ----------------0 0 0 0 AC_FT ----------------0 1768 903 654 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1676 MEAN 5 MAX 57 MIN 0 AC_FT 3324 Surface Water Streamflow Page 229 FCDMC Annual Surface Water Report Water Year 2008 SPOOKHILL MCDOWELL - ALL RUNOFF DATA 100 90 80 PERIOD OF RECORD DISCHARGE (CFS) 70 60 50 40 30 20 10 0 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 230 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Spookhill McKellips STATION ID 6638 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 06/19/2008 06/19/2008 - CURRENT YEAR 58 CFS 6.60 FEET 07/10/2008 58 CFS 6.60 FEET 07/10/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ------------------36 2 ------------------36 3 ------------------36 4 ------------------36 5 ------------------36 6 ------------------36 7 ------------------36 8 ------------------36 9 ------------------36 10 ------------------9 36 6 11 ------------------57 36 36 12 ------------------53 36 36 13 ------------------51 36 35 14 ------------------50 36 29 15 ------------------49 36 16 ------------------47 36 17 ------------------46 36 18 ------------------44 36 19 ----------------43 36 20 ----------------41 35 21 ----------------40 35 22 ----------------42 35 23 ----------------41 35 24 ----------------40 35 25 ----------------39 32 26 ----------------38 36 27 ----------------37 36 28 ----------------37 36 29 ----------------37 36 30 ----------------36 36 31 ------------------36 4 -------------------------------------------------------------------------------TOTAL ----------------0 913 1073 141 MEAN ----------------0 29 35 5 MAX ----------------0 58 37 37 MIN ----------------0 0 0 0 AC_FT ----------------0 1811 2129 280 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2128 MEAN 6 MAX 58 MIN 0 AC_FT 4220 Surface Water Streamflow Page 231 FCDMC Annual Surface Water Report Water Year 2008 SPOOKHILL MCKELLIPS - ALL RUNOFF DATA 100 90 80 PERIOD OF RECORD DISCHARGE (CFS) 70 60 50 40 30 20 10 0 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 232 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Apache Junction FRS STATION ID 6673 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 5.8 MI2 12/16/1981 09/15/1988 - CURRENT YEAR 34 CFS 5.88 FEET 34 CFS 5.88 FEET Storage Volume Data 12/08/2007 12/08/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 10 2 3 4 3 5 6 7 5 8 24 9 2 10 1 1 11 3 12 13 14 1 15 16 17 18 19 20 21 22 23 24 25 26 27 2 14 28 6 29 30 1 --31 ---------------------------------------------------------------------------------------TOTAL 0 1 40 14 3 0 0 0 0 1 15 0 MEAN 0 0 1 0 0 0 0 0 0 0 0 0 MAX 0 14 33 17 9 0 0 0 0 10 25 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 3 80 27 5 0 0 0 0 1 31 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 74 MEAN 0 MAX 33 MIN 0 AC_FT 147 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 233 FCDMC Annual Surface Water Report Water Year 2008 APACHE JUNCTION FRS - ALL VOLUMETRIC DATA 20 18 PERIOD OF RECORD 16 VOLUME (ACRE-FEET) 14 12 10 8 6 4 2 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 0 YEAR Surface Water Streamflow Page 234 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Powerline FRS STATION ID 6683 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 49.9 MI2 12/02/1992 12/02/1992 - CURRENT YEAR 64 CFS 4.90 FEET 118 CFS 11.00 FEET Storage Volume Data 12/08/2007 01/11/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 43 2 37 3 21 4 10 11 5 13 6 4 7 10 8 44 22 9 46 14 10 29 4 11 28 12 18 13 10 14 1 15 16 17 18 19 20 21 22 23 24 25 26 27 1 10 28 31 10 29 20 4 30 1 13 --5 31 --3 -------------------------------------------------------------------------------------TOTAL 0 1 287 119 29 0 0 0 0 0 31 0 MEAN 0 0 9 4 1 0 0 0 0 0 1 0 MAX 0 3 64 36 17 0 0 0 0 0 20 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 1 568 236 57 0 0 0 0 0 61 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 466 MEAN 1 MAX 64 MIN 0 AC_FT 924 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 235 FCDMC Annual Surface Water Report Water Year 2008 POWERLINE FRS - ALL VOLUMETRIC DATA 1,000 900 800 VOLUME (ACRE-FEET) 700 PERIOD OF RECORD 600 500 400 300 200 100 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 0 YEAR Surface Water Streamflow Page 236 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Vineyard FRS STATION ID 6688 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 57.8 MI2 11/02/1983 11/09/1987 - CURRENT YEAR 57 CFS 3.03 FEET 129 CFS 5.90 FEET Storage Volume Data 12/01/2007 11/16/1993 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 46 3 2 48 2 3 28 1 4 14 6 5 8 10 6 5 8 7 3 2 6 8 29 4 4 9 37 3 3 10 31 2 2 11 43 1 3 5 12 40 3 3 13 23 --7 1 14 12 10 15 7 7 16 4 4 17 2 2 18 1 1 19 20 21 22 23 24 25 26 27 5 28 16 5 29 9 5 30 2 6 --3 31 --4 ------2 -------------------------------------------------------------------------------TOTAL 0 2 378 47 46 0 0 0 0 37 20 10 MEAN 0 0 12 2 2 0 0 0 0 1 1 0 MAX 0 14 57 20 11 0 0 0 0 12 10 6 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 5 750 94 91 0 0 0 0 73 40 19 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 540 MEAN 1 MAX 57 MIN 0 AC_FT 1071 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 237 FCDMC Annual Surface Water Report Water Year 2008 VINEYARD FRS - ALL VOLUMETRIC DATA 1,000 900 800 VOLUME (ACRE-FEET) 700 PERIOD OF RECORD 600 500 400 300 200 100 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 0 YEAR Surface Water Streamflow Page 238 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Spookhill Brown STATION ID 6693 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 06/04/2008 06/04/2008 - CURRENT YEAR 58 CFS 5.42 FEET 07/10/2008 58 CFS 5.42 FEET 07/10/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ------------------2 ------------------3 ------------------4 ----------------5 ----------------6 ----------------7 ----------------8 ----------------9 ----------------10 ----------------10 1 11 ----------------56 33 12 ----------------53 13 ----------------51 14 ----------------50 8 15 ----------------48 16 ----------------47 17 ----------------46 18 ----------------46 19 ----------------44 20 ----------------43 21 ----------------41 22 ----------------44 23 ----------------43 24 ----------------38 25 ----------------26 ----------------8 27 ----------------28 ----------------4 29 ----------------6 30 ----------------31 -------------------------------------------------------------------------------------------------TOTAL ----------------0 662 26 34 MEAN ----------------0 21 1 1 MAX ----------------0 58 43 40 MIN ----------------0 0 0 0 AC_FT ----------------0 1313 52 67 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 722 MEAN 2 MAX 58 MIN 0 AC_FT 1433 Surface Water Streamflow Page 239 FCDMC Annual Surface Water Report Water Year 2008 SPOOKHILL BROWN - ALL RUNOFF DATA 100 90 80 PERIOD OF RECORD DISCHARGE (CFS) 70 60 50 40 30 20 10 0 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 240 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Rittenhouse FRS STATION ID 6703 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 51.3 MI2 09/27/1988 09/27/1988 - CURRENT YEAR 106 CFS 10.06 FEET 120 CFS 12.58 FEET Storage Volume Data 07/11/2008 02/12/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 73 13 2 9 1 3 1 4 13 5 17 6 3 7 2 8 48 1 9 38 10 4 11 40 92 12 6 92 13 51 14 1 15 16 17 18 19 20 21 22 23 24 25 26 2 27 2 28 68 29 12 30 12 1 --31 ---------------------------------------------------------------------------------------TOTAL 0 12 217 86 34 0 0 0 0 236 3 13 MEAN 0 0 7 3 1 0 0 0 0 8 0 0 MAX 0 55 83 79 29 0 0 0 0 106 10 37 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 23 431 170 68 0 0 0 0 469 5 26 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 601 MEAN 2 MAX 106 MIN 0 AC_FT 1192 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 241 FCDMC Annual Surface Water Report Water Year 2008 RITTENHOUSE FRS - ALL VOLUMETRIC DATA 1,000 900 PERIOD OF RECORD 800 VOLUME (ACRE-FEET) 700 600 500 400 300 200 100 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1988 1988 0 YEAR Surface Water Streamflow Page 242 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Queen Creek at Rittenhouse Road STATION ID 6707* IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 09/18/1996 09/18/1996 - CURRENT YEAR 174 CFS 2.86 FEET 01/29/2008 827 CFS 2.25 FEET 01/05/1995 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 3 29 96 30 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 129 0 0 0 0 0 0 0 0 MEAN 0 0 0 4 0 0 0 0 0 0 0 0 MAX 0 0 0 174 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 256 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 129 MEAN 0 MAX 174 MIN 0 AC_FT 256 * Gage ID number changed during Water Year 1997 from 6713 to 6707 to mitigate radio interference problems. Surface Water Streamflow Page 243 FCDMC Annual Surface Water Report Water Year 2008 QUEEN CREEK AT RITTENHOUSE ROAD - ALL RUNOFF DATA 1,000 900 800 DISCHARGE (CFS) 700 600 500 400 300 200 100 PERIOD OF RECORD 0 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 244 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Powerline Floodway STATION ID 6708 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 02/13/2008 02/13/2008 - CURRENT YEAR 0 CFS NONE NONE 0 CFS NONE NONE Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------------TOTAL --------0 0 0 0 0 0 0 0 MEAN --------0 0 0 0 0 0 0 0 MAX --------0 0 0 0 0 0 0 0 MIN --------0 0 0 0 0 0 0 0 AC_FT --------0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Surface Water Streamflow Page 245 FCDMC Annual Surface Water Report Water Year 2008 POWERLINE FLOODWAY - ALL RUNOFF DATA 100 90 PERIOD OF RECORD 80 DISCHARGE (CFS) 70 60 50 40 No runoff recorded to date 30 20 10 0 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 246 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Magma FRS STATION ID 6718 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA UNDETERMINED 11/15/2007 11/15/2007 - CURRENT YEAR 167 CFS 1618.74 FT 07/11/2008 167 CFS 1618.74 FT 07/11/2008 Storage Volume Data Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ----5 2 ----3 ----4 ----5 ----6 ----7 ----8 ----31 9 ----10 ----2 11 ----15 110 12 ----168 13 ----168 14 ----168 15 --168 16 --168 17 --168 18 --168 19 --168 20 --168 21 --168 22 --71 23 --24 --25 --26 --27 --28 --18 29 --30 ----31 -----------------------------------------------------------------------------------------TOTAL --0 53 18 0 0 0 0 0 1862 0 0 MEAN --0 2 1 0 0 0 0 0 60 0 0 MAX --0 45 40 2 0 0 0 0 168 0 0 MIN --0 0 0 0 0 0 0 0 0 0 0 AC_FT --0 105 37 0 0 0 0 0 3694 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1934 MEAN 5 MAX 168 MIN 0 AC_FT 3836 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 247 FCDMC Annual Surface Water Report Water Year 2008 MAGMA FRS - ALL VOLUMETRIC DATA 3,000 VOLUME (ACRE-FEET) 2,500 2,000 PERIOD OF RECORD 1,500 1,000 500 0 2007 2008 2008 2010 CALENDAR YEAR Surface Water Streamflow Page 248 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Queen Creek at CAP STATION ID 6723 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 256 MI2 09/18/1996 09/18/1996 - CURRENT YEAR 890 CFS 8.32 FEET 1,034 CFS 10.15 FEET 07/11/2008 02/12/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 50 2 3 4 128 5 297 6 182 7 199 95 8 369 454 9 96 45 10 1 11 160 289 12 104 13 14 15 16 137 17 131 18 1 19 20 21 22 23 24 25 26 27 28 615 29 524 30 278 --31 --3 -------------------------------------------------------------------------------------TOTAL 0 0 730 2119 971 0 0 0 0 289 0 51 MEAN 0 0 24 68 33 0 0 0 0 9 0 2 MAX 0 0 793 828 504 0 0 0 0 890 0 126 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1448 4204 1925 0 0 0 0 574 0 101 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 4161 MEAN 11 MAX 890 MIN 0 AC_FT 8254 Surface Water Streamflow Page 249 FCDMC Annual Surface Water Report Water Year 2008 QUEEN CREEK AT CAP - ALL RUNOFF DATA 1,000 900 800 DISCHARGE (CFS) 700 600 500 400 300 200 100 PERIOD OF RECORD 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 0 CALENDAR YEAR Surface Water Streamflow Page 250 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Whitlow Ranch Dam STATION ID 6739 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 143 MI2 08/02/2000 08/02/2000 - CURRENT YEAR 535 CFS 30.94 FEET 731 CFS 58.20 FEET Storage Volume Data 01/28/2008 02/12/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 13 2 3 4 43 5 27 6 7 198 8 186 241 9 10 2 11 20 45 12 13 14 15 1 16 32 17 18 19 20 21 22 23 24 25 26 27 18 28 510 29 456 30 65 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 206 1489 103 0 0 0 0 47 0 13 MEAN 0 0 7 48 4 0 0 0 0 2 0 0 MAX 0 0 361 534 118 0 0 0 0 250 0 161 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 408 2953 205 0 0 0 0 93 0 26 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1858 MEAN 5 MAX 534 MIN 0 AC_FT 3685 NOTE: Gage becomes disconnected from the USACOE gaging equipment on occasion. There may have been several impoundments behind the dam during the water year that may not have been recorded by FCDMC gaging equipment. For more information, refer to the U.S. Army Corps of Engineers, Los Angeles District. Surface Water Streamflow Page 251 FCDMC Annual Surface Water Report Water Year 2008 WHITLOW RANCH DAM - ALL IMPOUND DATA 8,000 7,000 6,000 VOLUME (AF) 5,000 4,000 3,000 PERIOD OF RECORD 2,000 1,000 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 252 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Weekes Wash Baseline STATION ID 6753 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 05/27/2008 05/27/2008 - CURRENT YEAR 168 CFS 1.83 FEET 08/27/2008 168 CFS 1.83 FEET 08/27/2008 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ----------------2 ----------------3 ----------------4 ----------------5 ----------------6 ----------------7 ----------------8 ----------------9 ----------------10 ----------------2 11 ----------------12 ----------------13 ----------------14 ----------------15 ----------------16 ----------------17 ----------------18 ----------------19 ----------------20 ----------------21 ----------------22 ----------------23 ----------------24 ----------------25 ----------------26 ----------------27 --------------8 28 --------------29 --------------30 --------------31 -----------------------------------------------------------------------------------------------TOTAL --------------0 0 2 8 0 MEAN --------------0 0 0 0 0 MAX --------------0 0 39 168 0 MIN --------------0 0 0 0 0 AC_FT --------------0 0 3 17 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 10 MEAN 0 MAX 168 MIN 0 AC_FT 20 NOTE: Station installed in Water Year 2008 on May 27, 2008. Surface Water Streamflow Page 253 FCDMC Annual Surface Water Report Water Year 2008 WEEKES WASH BASELINE - ALL RUNOFF DATA 200 180 160 DISCHARGE (CFS) 140 120 100 80 60 40 20 PERIOD OF RECORD 0 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 254 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #3 FRS STATION ID 6813 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 9.3 MI2 11/23/1992 05/18/1996 - CURRENT YEAR 3 CFS -3.90 FEET 36 CFS -1.05 FEET Storage Volume Data 07/13/2008 09/04/1996 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 3 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 3 MIN 0 AC_FT 0 See also Pool Level and Storage Volume Data. Note: Storage does not begin until 0.0 feet stage. Surface Water Streamflow Page 255 FCDMC Annual Surface Water Report Water Year 2008 BUCKEYE #3 FRS - ALL VOLUMETRIC DATA 10 NOTE: NO RECORDED IMPOUNDMENTS OF SIGNIFICANCE 9 8 VOLUME (ACRE-FEET) 7 6 5 4 3 PERIOD OF RECORD 2 1 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 0 YEAR Surface Water Streamflow Page 256 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System White Tanks #4 FRS STATION ID 6823 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 18.6 MI2 01/09/1986 10/01/1987 - CURRENT YEAR 0 CFS NONE 67 CFS 0.75 FEET Storage Volume Data NONE 08/15/1990 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 257 FCDMC Annual Surface Water Report Water Year 2008 WHITE TANKS #4 FRS- ALL IMPOUND DATA 700 600 VOLUME (AF) 500 400 300 200 100 PERIOD OF RECORD 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 0 CALENDAR YEAR Surface Water Streamflow Page 258 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Waterman at Rainbow Valley Road STATION ID 6833 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 362 MI2 03/18/1999 03/18/1999 - CURRENT YEAR 1,752 CFS 7.47 FEET 1,760 CFS 8.52 FEET 08/29/2008 10/21/2000 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 14 8 57 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 26 24 25 8 26 17 27 28 29 285 30 4 --31 ---------------------------------------------------------------------------------------TOTAL 0 4 0 0 0 0 0 26 0 0 381 0 MEAN 0 0 0 0 0 0 0 1 0 0 12 0 MAX 0 89 0 0 0 0 0 95 0 0 1752 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 8 0 0 0 0 0 52 0 0 755 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 411 MEAN 1 MAX 1752 MIN 0 AC_FT 814 Surface Water Streamflow Page 259 FCDMC Annual Surface Water Report Water Year 2008 WATERMAN AT RAINBOW VALLEY ROAD - ALL RUNOFF DATA 2,000 1,800 1,600 DISCHARGE (CFS) 1,400 1,200 1,000 800 PERIOD OF RECORD 600 400 200 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 0 CALENDAR YEAR Surface Water Streamflow Page 260 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Gila River at 116th Avenue STATION ID 6848 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 43,300 MI2 (APPROX) 12/16/1998 12/16/1998 - CURRENT YEAR 4,843 CFS 3.75 FEET 02/01/2008 49,394 CFS 9.15 FEET 02/13/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 3838 1034 2 1324 1151 3 765 2063 4 894 2207 5 1768 2194 26 6 2151 1442 7 1893 485 8 1050 654 9 561 432 10 650 11 556 12 768 13 125 350 573 14 1261 209 15 1582 16 1733 333 17 425 1181 587 18 767 960 19 750 1030 20 459 925 21 677 22 897 23 312 686 24 824 565 25 703 1061 26 665 1600 27 877 1429 28 656 1301 29 1539 1110 30 904 --31 --1445 -------------------------------------------------------------------------------------TOTAL 0 0 125 10326 32594 15338 0 0 0 0 26 0 MEAN 0 0 4 333 1124 495 0 0 0 0 1 0 MAX 0 0 935 2452 4843 2403 0 0 0 0 960 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 249 20481 64649 30422 0 0 0 0 51 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 58409 MEAN 160 MAX 4843 MIN 0 AC_FT 115852 *Gage installed on December 21, 1998, replacing FCDMC gage #6863 at the old 115th Avenue Gila River crossing. Old gage was in service from November 6, 1997 until installation of new gage 6848. **An undetermined amount of flow occurs more or less continually at this location below the gage. Surface Water Streamflow Page 261 FCDMC Annual Surface Water Report Water Year 2008 GILA RIVER AT AVONDALE BLVD. - ALL RUNOFF DATA 60,000 50,000 DISCHARGE (CFS) 40,000 30,000 PERIOD OF RECORD 20,000 10,000 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 262 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Gila River at Estrella Pkwy STATION ID 6853 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 45,585 MI2 12/02/1992 12/02/1992 - CURRENT YEAR 1,781 CFS 6.85 FEET 02/01/2008 75,883 CFS 16.45 FEET 02/16/1995 See USGS Water-Data Report AZ-07-1 for official data for this site. Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1477 399 2 99 788 401 3 124 397 695 4 1 325 876 5 605 923 6 897 663 7 837 336 8 553 114 9 5 246 17 10 2 80 2 11 11 12 1 86 13 60 217 14 326 67 15 482 63 16 559 128 17 474 185 18 309 46 19 348 7 20 324 4 21 141 22 28 23 20 24 42 25 144 26 500 27 529 28 40 489 29 886 437 30 952 --31 --589 -------------------------------------------------------------------------------------TOTAL 0 0 233 2467 11429 5230 0 0 0 0 0 0 MEAN 0 0 8 80 394 169 0 0 0 0 0 0 MAX 0 0 243 1555 1781 947 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 461 4893 22669 10374 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 19359 MEAN 53 MAX 1781 MIN 0 AC_FT 38397 Surface Water Streamflow Page 263 FCDMC Annual Surface Water Report Water Year 2008 GILA RIVER AT ESTRELLA PARKWAY - ALL RUNOFF DATA 100,000 90,000 80,000 DISCHARGE (CFS) 70,000 60,000 50,000 10-YR 40,000 PERIOD OF RECORD 30,000 20,000 5-YR 10,000 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 0 CALENDAR YEAR Gila River at Estrella Parkway Peak Annual Discharge 250,000 100-year 200,000 Discharge (cfs) 50-year 150,000 100,000 20-year 10-year 50,000 5-year 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Year Surface Water Streamflow Page 264 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Bullard Wash STATION ID 6863 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 58 MI2 03/30/2000 03/30/2000 - CURRENT YEAR 55 CFS 0.44 FEET 347 CFS 1.29 FEET 01/28/2008 08/02/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 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 17 29 30 4 --31 ---------------------------------------------------------------------------------------TOTAL 0 4 1 17 0 0 0 0 0 0 0 0 MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 0 12 4 55 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 7 2 35 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 22 MEAN 0 MAX 55 MIN 0 AC_FT 44 Surface Water Streamflow Page 265 FCDMC Annual Surface Water Report Water Year 2008 BULLARD WASH - ALL RUNOFF DATA 400 350 PERIOD OF RECORD DISCHARGE (CFS) 300 250 200 150 100 50 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 266 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Bullard Wash at Indian School STATION ID 6868 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA UNDETERMINED 06/27/2006 06/27/2006 – CURRENT YEAR 225 CFS 1.70 FEET 01/28/2008 306 CFS 1.60 FEET 08/01/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 61 2 24 3 2 4 1 5 1 6 1 7 1 8 2 9 1 10 1 11 1 6 12 1 13 14 15 16 17 18 19 20 21 22 23 24 1 25 1 26 1 27 13 28 111 29 7 30 8 --31 ---------------------------------------------------------------------------------------TOTAL 0 9 98 132 0 0 0 0 0 6 1 0 MEAN 0 0 3 4 0 0 0 0 0 0 0 0 MAX 0 38 121 225 0 0 0 0 0 19 3 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 17 194 263 0 0 0 0 0 13 2 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 246 MEAN 1 MAX 225 MIN 0 AC_FT 488 Surface Water Streamflow Page 267 FCDMC Annual Surface Water Report Water Year 2008 BULLARD WASH AT INDIAN SCHOOL - ALL RUNOFF DATA 400 350 PERIOD OF RECORD DISCHARGE (CFS) 300 250 200 150 100 50 0 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 268 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Estrella Fan STATION ID 6893 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 1.0 MI2 04/30/1993 04/30/1993 - CURRENT YEAR WY1997:WY1996 0 CFS NONE 82 CFS 0.70 FEET NONE 09/11/1998 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 Surface Water Streamflow Page 269 FCDMC Annual Surface Water Report Water Year 2008 ESTRELLA FAN - ALL RUNOFF DATA 100 90 80 DISCHARGE (CFS) 70 60 50 PERIOD OF RECORD 40 30 20 10 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 0 CALENDAR YEAR Surface Water Streamflow Page 270 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sauceda Wash STATION ID 6923 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 126 MI2 02/28/1990 02/28/1990 - CURRENT YEAR 1,138 CFS 3.74 FEET 1,825 CFS 4.66 FEET 08/30/2008 08/25/1998 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 1 5 8 9 9 10 11 12 13 14 15 16 17 18 19 20 21 22 57 23 11 24 25 37 26 27 28 29 30 --123 31 --------3 -------------------------------------------------------------------------------TOTAL 6 6 6 7 5 6 6 73 6 6 182 6 MEAN 0 0 0 0 0 0 0 2 0 0 6 0 MAX 0 0 0 56 0 0 0 501 0 0 1138 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 11 11 11 13 11 11 11 146 11 11 361 11 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 313 MEAN 1 MAX 1138 MIN 0 AC_FT 620 NOTE: USGS maintained a crest stage gage at this location from 11/27/1963 to 09/30/1979. In 1990, a joint USGS/FCDMC continuous station was installed. The USGS continuous station was discontinued 10/01/1994. Since Water Year 1995, the continuous station has been operated by the FCDMC and the crest stage gage by the USGS. Surface Water Streamflow Page 271 FCDMC Annual Surface Water Report Water Year 2008 SAUCEDA WASH - ALL RUNOFF DATA 2,000 PERIOD OF RECORD 1,800 1,600 Discharge (cfs) 1,400 1,200 1,000 800 600 400 200 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Date Sauceda Wash Peak Annual Discharge 8,000 100-year 7,000 6,000 50-year Discharge (cfs) 5,000 4,000 20-year 3,000 10-year 2,000 5-year 1,000 2-year 2010 2005 2000 1995 1990 1985 1980 1975 1970 1965 1960 0 Year Surface Water Streamflow Page 272 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sand Tank Wash at I-8 STATION ID 6933 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 185 MI2 05/31/2001 05/31/2001 - CURRENT YEAR 868 CFS 3.30 FEET 1,535 CFS 4.30 FEET 08/30/2008 07/23/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 --7 --8 9 10 11 12 13 14 6 15 16 17 18 19 20 21 22 18 23 11 24 25 26 27 28 29 30 --57 31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 29 0 0 62 0 MEAN 0 0 0 0 0 0 0 1 0 0 2 0 MAX 0 0 0 0 0 0 0 290 0 0 868 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 57 0 0 123 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 91 MEAN 0 MAX 868 MIN 0 AC_FT 180 Surface Water Streamflow Page 273 FCDMC Annual Surface Water Report Water Year 2008 SAND TANK WASH AT I-8 - ALL RUNOFF DATA 1,000 900 800 DISCHARGE (CFS) 700 600 500 400 300 200 100 PERIOD OF RECORD 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 274 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Rainbow Wash at SR 85 STATION ID 6953 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 17.6 MI2 11/06/2000 11/06/2000 - CURRENT YEAR 735 CFS 3.24 FEET 1,827 CFS 4.60 FEET 08/07/2008 08/09/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 54 8 24 9 10 11 12 13 7 14 15 16 17 18 19 20 21 22 23 24 25 26 8 27 28 1 29 17 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 7 103 0 MEAN 0 0 0 0 0 0 0 0 0 0 3 0 MAX 0 0 0 0 0 0 0 0 0 86 735 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 13 205 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 110 MEAN 0 MAX 735 MIN 0 AC_FT 218 Surface Water Streamflow Page 275 FCDMC Annual Surface Water Report Water Year 2008 RAINBOW WASH - ALL RUNOFF DATA 2,000 1,800 1,600 PERIOD OF RECORD DISCHARGE (CFS) 1,400 1,200 1,000 800 600 400 200 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Rainbow Wash Peak Annual Discharge 2,500 100-year Discharge (cfs) 2,000 50-year 1,500 20-year 1,000 500 10-year 5-year 2-year 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Water Year Surface Water Streamflow Page 276 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Bender Wash STATION ID 6963 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 68.6 MI2 05/12/2004 05/12/2004 - CURRENT YEAR 91 CFS 3.83 FEET 329 CFS 4.22 FEET 08/30/2008 07/23/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 --2 31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 2 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 17 91 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 1 5 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3 MEAN 0 MAX 91 MIN 0 AC_FT 5 Surface Water Streamflow Page 277 FCDMC Annual Surface Water Report Water Year 2008 BENDER WASH - ALL RUNOFF DATA 500 450 PERIOD OF RECORD 400 DISCHARGE (CFS) 350 300 250 200 150 100 50 0 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Bender Wash Peak Annual Discharge 5,000 100-year 4,500 4,000 50-year Discharge (cfs) 3,500 20-year 3,000 2,500 10-year 2,000 5-year 1,500 1,000 2-year 500 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 0 Year Surface Water Streamflow Page 278 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Vekol Wash STATION ID 6983 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 150 MI2 03/07/1990 03/07/1990 - CURRENT YEAR 2,635 CFS 7.49 FEET 4,271 CFS 7.28 FEET 05/22/2008 07/25/1996 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 1 8 2 9 10 11 12 13 --14 --15 16 17 18 19 20 40 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 2 0 0 0 0 0 0 40 1 0 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 122 0 0 0 16 0 0 682 75 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 4 0 0 0 0 0 0 79 2 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 43 MEAN 0 MAX 682 MIN 0 AC_FT 85 NOTE(1): Gaging station was moved approximately 400 feet downstream (north) of the I-8 bridge on August 19, 2000. The gaging station is now co-located with the USGS gaging station ID 09488650. NOTE(2): Station failed to detect flow during the May 22, 2008 event. Peak data was recovered from the USGS gage at the site. Surface Water Streamflow Page 279 FCDMC Annual Surface Water Report Water Year 2008 VEKOL WASH - ALL RUNOFF DATA 5,000 PERIOD OF RECORD 4,500 4,000 Discharge (cfs) 3,500 3,000 2,500 2,000 1,500 1,000 500 2006 2007 2008 2009 2010 2006 2007 2008 2009 2010 2004 2004 2005 2003 2003 2005 2002 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 CALENDAR YEAR Vekol Wash Peak Annual Discharge 10,000 100-year 9,000 8,000 50-year Discharge (cfs) 7,000 6,000 20-year 5,000 4,000 10-year 3,000 5-year 2,000 2-year 1,000 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Year Surface Water Streamflow Page 280 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Martinez Creek STATION ID 7013 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 105 MI2 11/23/1994 11/23/1994 - CURRENT YEAR 3,621 CFS 6.68 FEET 8,800 CFS 5.75 FEET 08/25/2008 09/26/1997 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 11 12 --13 14 15 16 17 18 19 20 21 --22 23 24 25 122 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 122 0 MEAN 0 0 0 0 0 0 0 0 0 0 4 0 MAX 0 0 0 0 0 0 0 0 0 0 3621 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 242 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 122 MEAN 0 MAX 3621 MIN 0 AC_FT 242 Note: Flows below about 3,000 cfs are considered approximate at best due to multiple channel configuration, expanding dowstream reach, mobile bed conditions, and the angle of attack of flow. Surface Water Streamflow Page 281 FCDMC Annual Surface Water Report Water Year 2008 MARTINEZ CREEK - ALL RUNOFF DATA 10,000 9,000 8,000 DISCHARGE (CFS) 7,000 6,000 5,000 PERIOD OF RECORD 4,000 3,000 2,000 1,000 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2009 2010 CALENDAR YEAR Martinez Creek Peak Annual Discharge 40,000 35,000 100-year 30,000 Discharge (cfs) 25,000 50-year 20,000 15,000 10,000 5,000 20-year 10-year 5-year 2-year 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Year Surface Water Streamflow Page 282 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sols Trib at US 93 STATION ID 7028 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 6.5 MI2 01/30/2002 01/30/2002 - CURRENT YEAR 334 CFS 1.97 FEET 758 CFS 2.87 FEET 01/20/2008 07/25/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 4 5 6 7 8 9 10 11 12 13 14 15 4 16 17 18 19 20 28 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 4 28 0 0 0 0 0 4 0 0 MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 0 0 158 334 0 0 0 0 0 207 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 8 55 0 0 0 0 0 7 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 35 MEAN 0 MAX 334 MIN 0 AC_FT 70 Surface Water Streamflow Page 283 FCDMC Annual Surface Water Report Water Year 2008 SOLS TRIB NEAR US 93 - ALL RUNOFF DATA 1,000 900 PERIOD OF 800 DISCHARGE (CFS) 700 600 500 400 300 200 100 0 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 284 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sols Wash near Matthie STATION ID 7043 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 121.4 MI2 08/04/1995 08/04/1995 - CURRENT YEAR 644 CFS 1.91 FEET 08/25/2008 10,792 CFS 5.15 FEET 10/21/2000 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 69 26 15 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 83 0 MEAN 0 0 0 0 0 0 0 0 0 0 3 0 MAX 0 0 0 0 0 0 0 0 0 0 644 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 165 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 83 MEAN 0 MAX 644 MIN 0 AC_FT 165 Surface Water Streamflow Page 285 FCDMC Annual Surface Water Report Water Year 2008 SOLS WASH NR MATTHIE - ALL RUNOFF DATA 14,000 PERIOD OF RECORD 100-YR 12,000 10,000 DISCHARGE (CFS) 50-YR 8,000 6,000 10-YR 4,000 2,000 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2006 2007 2008 2009 2010 CALENDAR YEAR Sols Wash near Matthie Peak Annual Discharge - FEMA, September 1995 14,000 100-year 12,000 Discharge (cfs) 10,000 50-year 8,000 6,000 10-year 4,000 2,000 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Year Surface Water Streamflow Page 286 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hartman Wash STATION ID 7063 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 5.4 MI2 07/06/1994 07/06/1994 - CURRENT YEAR WY1996: WY1995 27 CFS 0.43 FEET 3,400 CFS 9.38 FEET 11/30/2007 07/30/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 27 10 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 1 1 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 1 MEAN 0 MAX 27 MIN 0 AC_FT 1 Surface Water Streamflow Page 287 FCDMC Annual Surface Water Report Water Year 2008 HARTMAN WASH AT US60 - ALL RUNOFF DATA 4,000 3,500 DISCHARGE (CFS) 3,000 2,500 2,000 PERIOD OF RECORD 1,500 1,000 500 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Hartman Wash at US60 Peak Annual Discharge 10,000 9,000 100-year 8,000 7,000 Discharge (cfs) 50-year 6,000 5,000 4,000 20-year 3,000 10-year 2,000 1,000 5-year 2-year 0 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 Year Surface Water Streamflow Page 288 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Flying E Wash STATION ID 7083 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 8.5 MI2 07/12/1994 07/12/1994 - CURRENT YEAR WY1996: WY1994-1995 276 CFS 1.77 FEET 3,740 CFS 5.74 FEET 11/30/2007 07/30/2005 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 19 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 2 --31 ---------------------------------------------------------------------------------------TOTAL 0 2 19 0 0 0 0 0 0 0 0 0 MEAN 0 0 1 0 0 0 0 0 0 0 0 0 MAX 0 276 37 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 4 37 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 21 MEAN 0 MAX 276 MIN 0 AC_FT 41 Surface Water Streamflow Page 289 FCDMC Annual Surface Water Report Water Year 2008 FLYING E WASH - ALL RUNOFF DATA 4,000 3,500 3,000 DISCHARGE (CFS) PERIOD OF RECORD 2,500 2,000 1,500 1,000 500 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Flying E Wash at US60 Peak Annual Discharge - Wickenburg ADMS & RW Cruff Analysis 8,000 Discharge (cfs) 7,000 100-year 6,000 50-year 5,000 25-year 4,000 10-year 3,000 5-year 2,000 1,000 0 1990 2-year 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 Year Surface Water Streamflow Page 290 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Casandro Wash STATION ID 7093 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 0.61 MI2 07/12/1994 07/12/1994 - CURRENT YEAR 147 CFS 2.78 FEET 440 CFS 5.61 FEET 11/30/2007 08/01/2007 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 1 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 3 26 27 28 29 30 5 --31 ---------------------------------------------------------------------------------------TOTAL 0 5 0 0 1 0 0 0 0 0 3 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 147 1 0 51 0 0 26 0 37 143 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 9 0 0 2 0 0 1 0 1 6 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 10 MEAN 0 MAX 147 MIN 0 AC_FT 19 Note: Transducer gage location was moved from inside US60 culvert to the upstream side of the culvert on March 15, 2006. Surface Water Streamflow Page 291 FCDMC Annual Surface Water Report Water Year 2008 CASANDRO WASH - ALL RUNOFF DATA 500 PERIOD OF RECORD 450 400 DISCHARGE (CFS) 350 300 250 200 150 100 50 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Casandro Wash at US60 Peak Annual Discharge 1,200 1,000 100-year 800 Discharge (cfs) 50-year 600 20-year 400 10-year 200 5-year 2-year 0 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 Year Surface Water Streamflow Page 292 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Powderhouse Wash STATION ID 7113 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD REVISED RECORDS WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 1.8 MI2 05/18/1995 05/18/1995 - CURRENT YEAR WY2000: WY1995-1999 40 CFS 0.30 FEET 1,425 CFS 2.12 FEET 07/20/2008 09/26/1997 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 2 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 17 13 0 0 0 0 0 0 40 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 3 0 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 2 MEAN 0 MAX 40 MIN 0 AC_FT 4 Surface Water Streamflow Page 293 FCDMC Annual Surface Water Report Water Year 2008 POWDERHOUSE WASH - ALL RUNOFF DATA 2,000 1,800 PERIOD OF RECORD 1,600 DISCHARGE (CFS) 1,400 1,200 1,000 10-YR 800 600 5-YR 400 200 2-YR 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Powderhouse Wash Peak Annual Discharge - HECWRC Implementation, N=14 3,500 100-year 3,000 2,500 Discharge (cfs) 50-year 2,000 1,500 20-year 1,000 10-year 5-year 500 2-year 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 0 Year Surface Water Streamflow Page 294 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Casandro Dam STATION ID 7133 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 1.3 MI2 08/15/1996 08/15/1996 - CURRENT YEAR 11 CFS 2.34 FEET 18 CFS 11.30 FEET 08/25/2008 09/26/1997 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 2 0 0 0 0 0 0 0 1 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 10 11 0 0 0 0 0 0 0 11 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 3 0 0 0 0 0 0 0 2 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 3 MEAN 0 MAX 11 MIN 0 AC_FT 6 See also Pool Level and Storage Volume Data. Surface Water Streamflow Page 295 FCDMC Annual Surface Water Report Water Year 2008 CASANDRO DAM - ALL VOLUMETRIC DATA 50 45 40 VOLUME (ACRE-FEET) 35 PERIOD OF RECORD 30 25 20 15 10 5 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 0 CALENDAR YEAR Surface Water Streamflow Page 296 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Antelope Creek STATION ID 7168 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD DRAINAGE AREA 62 MI2 07/09/2003 07/09/2003 - CURRENT YEAR 2,800 CFS 3.37 FEET 6,948 CFS 5.22 FEET 08/25/2008 09/09/2006 Discharge, in cfs, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 66 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 0 66 0 MEAN 0 0 0 0 0 0 0 0 0 0 2 0 MAX 0 0 0 0 0 0 0 0 0 0 1312 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 0 130 0 -----------------------------------------------------------------------------WTR YR 2008 TOTAL 66 MEAN 0 MAX 1312 MIN 0 AC_FT 130 NOTE: Peak recovered from data from the crest-stage gage at the site. Surface Water Streamflow Page 297 FCDMC Annual Surface Water Report Water Year 2008 ANTELOPE CREEK - ALL RUNOFF DATA 7,000 6,000 PERIOD OF RECORD DISCHARGE (CFS) 5,000 4,000 3,000 2,000 1,000 0 2003 2004 2005 2006 2007 2008 2009 2010 CALENDAR YEAR Surface Water Streamflow Page 298 FCDMC Annual Surface Water Report Water Year 2008 POOL LEVEL DATA Flood Control District of Maricopa County ALERT System Tat Momolikot Dam STATION ID 0773* DRAINAGE AREA 1,780 MI2 IN-SERVICE DATE 01/24/2000 PERIOD OF AVAILABLE RECORD 01/24/2000 - CURRENT YEAR WY 2008 PEAK 6.06 feet 07/15/2008 EXTREME FOR PERIOD OF RECORD 11.06 FEET 09/09/2006 Surface Water Streamflow Storage Volume Data Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.1 4.1 2 0.8 0.8 1.1 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.4 4.0 3 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.3 3.8 4 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.3 3.6 5 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.1 3.5 6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.0 3.4 7 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 2.9 3.3 8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 2.9 3.2 9 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 2.7 3.3 10 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.1 3.2 11 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.3 3.2 12 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.2 3.1 13 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.2 3.2 3.0 14 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 5.7 3.1 2.9 15 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 5.8 3.5 2.8 16 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 5.4 4.3 2.7 17 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 5.1 4.2 2.7 18 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.8 4.0 2.6 19 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.7 3.8 2.5 20 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.8 3.6 2.4 21 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.9 3.5 2.3 22 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.7 3.3 2.3 23 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.1 0.8 4.5 3.2 2.3 24 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.0 0.8 4.3 3.1 2.1 25 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.9 0.8 4.2 3.2 2.1 26 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.9 0.8 4.1 3.5 2.1 27 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.4 3.8 2.0 28 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.2 3.9 1.9 29 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.1 4.1 1.9 30 0.8 0.8 0.8 0.8 --0.8 0.8 0.8 0.8 3.9 4.0 1.9 31 0.8 --0.8 0.8 --0.8 --0.8 --3.7 4.0 -------------------------------------------------------------------------------MEAN 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.1 3.4 2.8 MAX 0.8 0.8 1.5 0.8 0.8 0.8 0.8 1.3 0.8 6.1 4.5 4.2 MIN 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.8 1.7 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1.39 MAX 6.06 MIN 0.81 *NOTE: Float gage was removed and a pressure transducer type gage was installed on January 24, 2000. Subsequently, the gage id number changed to 0773 from 0768. Data prior to January 24 has been deleted. See also Surface Water Streamflow and Storage Volume Data. Pool Level Data Page 1 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Spookhill FRS STATION ID 4563 DRAINAGE AREA 13.6 MI2 IN-SERVICE DATE 03/13/1984 PERIOD OF AVAILABLE RECORD 12/30/1987 - CURRENT YEAR WY 2008 PEAK 8.90 FEET EXTREME FOR PERIOD OF RECORD 8.90 FEET Surface Water Streamflow Storage Volume Data 07/10/2008 07/10/2008 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.6 0.6 0.7 0.6 1.2 0.6 0.6 0.6 --0.3 2.7 1.1 2 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 --0.3 2.5 0.6 3 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----0.3 2.3 0.3 4 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----0.3 2.1 0.3 5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----0.3 1.9 0.3 6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----0.3 1.7 0.3 7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----0.3 1.5 0.3 8 0.6 0.6 1.9 0.6 0.6 0.6 0.6 ----0.3 1.3 0.3 9 0.6 0.6 2.2 0.6 0.6 0.6 0.6 ----0.3 1.1 0.3 10 0.6 0.6 1.8 0.6 0.6 0.6 0.6 ----1.4 0.9 0.5 11 0.6 0.6 1.0 0.6 0.6 0.6 0.6 ----8.6 0.7 2.3 12 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----7.7 0.5 1.7 13 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----7.1 0.4 1.3 14 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----6.7 0.3 0.8 15 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----6.3 0.3 0.4 16 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----5.9 0.3 0.3 17 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----5.5 0.3 0.3 18 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----5.1 0.3 0.3 19 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----4.7 0.3 0.3 20 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----4.3 0.3 0.3 21 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----4.1 0.3 0.3 22 0.6 0.6 0.6 0.6 0.6 0.6 0.6 ----4.5 0.3 0.3 23 0.6 0.6 0.6 0.6 0.6 0.6 0.6 --0.3 4.3 0.3 0.3 24 0.6 0.6 0.6 0.6 0.6 0.6 0.6 --0.3 4.0 0.3 0.3 25 0.6 0.6 0.6 0.6 0.6 0.6 0.6 --0.3 3.8 0.3 0.3 26 0.6 0.6 0.6 0.6 0.6 0.6 0.6 --0.3 3.6 0.3 0.3 27 0.6 0.6 0.6 0.9 0.6 0.6 0.6 --0.3 3.4 0.3 0.3 28 0.6 0.6 0.6 3.3 0.6 0.6 0.6 --0.3 3.2 0.3 0.3 29 0.6 0.6 0.6 3.1 0.6 0.6 0.6 --0.3 3.2 2.0 0.3 30 0.6 0.6 0.6 2.9 --0.6 0.6 --0.3 3.0 1.7 0.3 31 0.6 --0.6 2.1 --0.6 ------2.8 1.5 -------------------------------------------------------------------------------MEAN 0.6 0.6 0.7 0.9 0.6 0.6 0.6 0.6 0.3 3.4 0.9 0.5 MAX 0.6 0.8 2.4 3.4 1.5 0.6 0.6 0.6 0.3 8.9 2.7 2.6 MIN 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.3 0.3 0.3 0.3 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.88 MAX 8.90 MIN 0.28 See also Surface Water Streamflow and Storage Volume Data. Pool Level Data Page 2 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Laveen Basin STATION ID 4578 DRAINAGE AREA UNDETERMINED IN-SERVICE DATE 11/07/2006 PERIOD OF AVAILABLE RECORD 11/07/2006 - CURRENT YEAR WY 2008 PEAK 9.43 FEET 08/29/2008 EXTREME FOR PERIOD OF RECORD 9.43 FEET 08/29/2008 Surface Water Streamflow Storage Volume Data Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 3.5 0.2 1.1 0.2 0.2 0.2 0.2 0.2 0.2 5.1 2 0.2 0.2 3.0 0.2 0.6 0.2 0.2 0.2 0.2 0.2 0.2 4.4 3 0.2 0.2 2.5 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 3.8 4 0.2 0.2 1.9 0.2 0.2 0.2 0.2 0.2 0.2 3.5 0.2 3.4 5 0.2 0.2 1.2 0.2 0.2 0.2 0.2 0.2 0.2 3.1 0.2 3.0 6 0.2 0.2 0.5 0.2 0.2 0.2 0.2 0.2 0.2 2.7 0.2 2.7 7 0.2 0.2 0.2 1.1 0.2 0.2 0.2 0.2 0.2 2.4 0.4 2.4 8 0.2 0.2 1.0 1.7 0.2 0.2 0.2 0.2 0.2 2.1 3.2 2.1 9 0.2 0.2 0.7 1.2 0.2 0.2 0.2 0.2 0.2 1.7 2.9 1.7 10 0.2 0.2 0.2 0.8 0.2 0.2 0.2 0.2 0.2 1.7 2.5 1.3 11 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 6.9 2.2 0.9 12 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5.7 1.8 0.6 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4.7 1.3 0.3 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4.0 1.2 0.2 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3.4 3.0 0.2 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2.9 2.7 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2.4 2.5 0.2 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2.0 2.2 0.2 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.5 1.8 0.2 20 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2.4 1.5 0.2 21 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2.2 1.1 0.2 22 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.8 0.8 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 1.2 0.5 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.6 0.3 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.5 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5.3 0.2 27 0.2 0.2 0.2 0.7 0.2 0.2 0.2 0.2 0.2 0.2 4.5 0.2 28 0.2 0.2 0.2 2.9 0.2 0.2 0.2 0.2 0.2 0.2 4.0 0.2 29 0.2 0.2 0.2 2.6 0.2 0.2 0.2 0.2 0.2 0.2 8.6 0.2 30 0.2 1.0 0.2 2.1 --0.2 0.2 0.2 0.2 0.2 7.1 0.2 31 0.2 --0.2 1.6 --0.2 --0.2 --0.2 6.0 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.6 0.6 0.2 0.2 0.2 0.2 0.2 2.0 2.3 1.2 MAX 0.2 3.2 3.7 3.0 1.3 0.2 0.2 0.6 0.2 7.5 9.4 5.5 MIN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.68 MAX 9.43 MIN 0.20 Pool Level Data Page 3 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #1 STATION ID 4648 DRAINAGE AREA 1.18 MI2 IN-SERVICE DATE 03/02/1994 PERIOD OF AVAILABLE RECORD 03/02/1994 - CURRENT YEAR WY 2008 PEAK 1.68 FEET EXTREME FOR PERIOD OF RECORD 3.92 FEET Surface Water Streamflow Storage Volume Data 07/10/2008 07/14/2002 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 7 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 8 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 11 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 12 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 21 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.6 0.2 0.2 22 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.5 0.2 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 27 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 28 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 29 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 30 0.2 0.4 0.2 0.2 --0.2 0.2 0.2 0.2 0.2 0.3 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.2 MAX 0.2 1.5 1.5 0.4 0.2 0.2 0.2 0.6 0.2 1.7 1.5 0.2 MIN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.24 MAX 1.68 MIN 0.23 See also Surface Water Streamflow and Storage Volume Data. Pool Level Data Page 4 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Tatum Basin STATION ID 4653 DRAINAGE AREA 2.17 MI2 IN-SERVICE DATE 05/08/1998 PERIOD OF AVAILABLE RECORD 05/08/1998 - CURRENT YEAR WY 2008 PEAK 2.30 FEET EXTREME FOR PERIOD OF RECORD 9.93 FEET Surface Water Streamflow Storage Volume Data 01/28/2008 08/02/2005 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 0.3 0.1 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 2 0.1 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 7 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.7 0.1 9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.5 0.1 10 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 11 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 12 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 13 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 14 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 15 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 16 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 17 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 18 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 19 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 20 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 21 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 22 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 23 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 24 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 25 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 26 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 27 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 28 0.1 0.1 0.1 1.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 29 0.1 0.1 0.1 0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 30 0.1 0.1 0.1 0.6 --0.1 0.1 0.1 0.1 0.1 0.1 0.1 31 0.1 --0.1 0.5 --0.1 --0.1 --0.1 0.1 -------------------------------------------------------------------------------MEAN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 MAX 0.1 0.2 0.4 2.3 0.5 0.1 0.1 0.1 0.1 0.1 0.9 0.1 MIN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.06 MAX 2.30 MIN 0.05 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 5 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #4 STATION ID 4658 DRAINAGE AREA 0.68 MI2 IN-SERVICE DATE 01/18/1994 PERIOD OF AVAILABLE RECORD 01/18/1994 - CURRENT YEAR WY 2008 PEAK 2.30 FEET EXTREME FOR PERIOD OF RECORD 3.65 FEET Surface Water Streamflow Storage Volume Data 11/30/2007 07/14/1999 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7 0.0 0.0 0.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 8 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 12 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 26 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 27 0.0 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 28 0.0 0.0 0.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 29 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 30 0.0 0.5 0.0 0.0 --0.0 0.0 0.0 0.0 0.0 0.0 0.0 31 0.0 --0.0 0.0 --0.0 --0.0 --0.0 0.0 -------------------------------------------------------------------------------MEAN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MAX 0.0 2.3 2.3 2.2 0.0 0.0 0.0 0.0 0.0 1.2 2.0 0.0 MIN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.01 MAX 2.30 MIN 0.00 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 6 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #3 STATION ID 4683 DRAINAGE AREA 3.52 MI2 IN-SERVICE DATE 09/13/1994 PERIOD OF AVAILABLE RECORD 09/13/1994 - CURRENT YEAR WY 2008 PEAK 0.45 FEET EXTREME FOR PERIOD OF RECORD 4.22 FEET Surface Water Streamflow Storage Volume Data 08/25/2008 09/07/2006 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 8 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 11 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 12 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 27 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 28 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 29 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 30 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.1 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.1 MAX 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.5 0.2 MIN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.15 MAX 0.45 MIN 0.15 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 7 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Dreamy Draw Dam STATION ID 4803 DRAINAGE AREA 1.5 MI2 IN-SERVICE DATE 01/24/1984 PERIOD OF AVAILABLE RECORD 08/29/1988 - CURRENT YEAR REVISED RECORDS WY1996:WY1995 WY 2008 PEAK 6.47 FEET EXTREME FOR PERIOD OF RECORD 19.17 FEET Surface Water Streamflow Storage Volume Data 08/14/2008 10/06/1993 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 0.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 7 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.4 0.1 8 0.1 0.1 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 0.1 9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 10 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 0.1 0.1 11 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 0.1 0.1 12 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 13 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 14 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.5 0.1 15 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 0.1 16 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 17 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 18 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 19 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 20 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 21 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 22 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 23 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 24 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 25 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 26 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.5 0.1 27 0.1 0.1 0.1 0.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 28 0.1 0.1 0.1 0.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 29 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.5 0.1 30 0.1 0.5 0.1 0.1 --0.1 0.1 0.1 0.1 0.1 0.1 0.1 31 0.1 --0.1 0.1 --0.1 --0.1 --0.1 0.1 -------------------------------------------------------------------------------MEAN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 MAX 0.1 4.3 2.5 3.3 0.1 0.1 0.1 0.1 0.1 2.8 6.5 0.1 MIN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.13 MAX 6.47 MIN 0.12 See also Surface Water Streamflow and Storage Volume data. Note: Gage failed to record peak impound of 12.47 feet on August 24, 2006. Pool Level Data Page 8 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System 10th Street Wash Basin #1 STATION ID 4818 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 11/26/1996 PERIOD OF AVAILABLE RECORD 11/26/1996 - CURRENT YEAR WY 2008 PEAK 2.25 FEET EXTREME FOR PERIOD OF RECORD 3.33 FEET Surface Water Streamflow Storage Volume Data 07/10/2008 07/14/2002 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.3 0.3 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 5 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 6 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.3 8 0.3 0.3 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 9 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 10 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.3 0.3 11 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.5 0.3 0.3 12 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 13 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 14 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.3 15 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 16 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 17 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 18 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 19 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 20 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 21 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 22 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 23 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 24 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 25 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 26 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.3 27 0.3 0.3 0.3 0.5 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 28 0.3 0.3 0.3 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 29 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 30 0.3 0.5 0.3 0.3 --0.3 0.3 0.3 0.3 0.3 0.3 0.3 31 0.3 --0.3 0.3 --0.3 --0.3 --0.3 0.3 -------------------------------------------------------------------------------MEAN 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 MAX 0.3 1.4 1.4 1.2 0.3 0.3 0.3 0.3 0.3 2.2 1.9 0.3 MIN 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.30 MAX 2.25 MIN 0.30 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 9 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix Basin #3 STATION ID 4828 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 12/18/2001 PERIOD OF AVAILABLE RECORD 12/18/2001 - CURRENT YEAR WY 2008 PEAK 6.15 FEET EXTREME FOR PERIOD OF RECORD 10.36 FEET Surface Water Streamflow Storage Volume Data 07/10/2008 07/14/2002 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 8 0.4 0.4 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 9 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 10 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.9 0.4 0.4 11 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 12 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 13 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 14 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.6 0.4 15 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 16 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 17 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 18 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 19 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 20 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 21 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 22 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 23 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 24 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 25 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 26 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.7 0.4 27 0.4 0.4 0.4 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 28 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 29 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 30 0.4 0.5 0.4 0.4 --0.4 0.4 0.4 0.4 0.4 0.4 0.4 31 0.4 --0.4 0.4 --0.4 --0.4 --0.4 0.4 -------------------------------------------------------------------------------MEAN 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 MAX 0.4 3.1 3.3 2.9 0.4 0.4 0.4 0.4 0.4 6.2 5.9 0.4 MIN 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.40 MAX 6.15 MIN 0.40 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 10 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix East Park Dam STATION ID 4848 DRAINAGE AREA 0.11 MI2 IN-SERVICE DATE 11/28/2001 PERIOD OF AVAILABLE RECORD 11/28/2001 - CURRENT YEAR WY 2008 PEAK 2.42 FEET EXTREME FOR PERIOD OF RECORD 4.84 FEET Surface Water Streamflow Storage Volume Data 07/10/2008 07/14/2002 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 7 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 10 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 0.1 11 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 12 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 13 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 14 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 15 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 16 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 17 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 18 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 19 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 20 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 21 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 22 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 23 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 24 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 25 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 26 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 27 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 28 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 29 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 30 0.1 0.1 0.1 0.1 --0.1 0.1 0.1 0.1 0.1 0.1 0.1 31 0.1 --0.1 0.1 --0.1 --0.1 --0.1 0.1 -------------------------------------------------------------------------------MEAN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 MAX 0.1 0.1 0.7 0.1 0.1 0.1 0.1 0.1 0.1 2.4 0.1 0.1 MIN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.10 MAX 2.42 MIN 0.10 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 11 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix Basin #7 STATION ID 4853 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 12/19/2001 PERIOD OF AVAILABLE RECORD 12/19/2001 - CURRENT YEAR WY 2008 PEAK 5.05 FEET EXTREME FOR PERIOD OF RECORD 12.11 FEET Surface Water Streamflow Storage Volume Data 07/10/2008 07/14/2002 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 --2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 --0.0 6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 --0.0 7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.0 0.0 11 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 12 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 15 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 28 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 29 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 30 0.0 0.1 0.0 0.0 --0.0 0.0 0.0 0.0 0.0 0.0 0.0 31 0.0 --0.0 0.0 --0.0 --0.0 --0.0 0.0 -------------------------------------------------------------------------------MEAN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MAX 0.0 1.5 1.3 2.4 0.1 0.0 0.0 0.0 0.0 5.1 1.8 0.0 MIN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.00 MAX 5.05 MIN 0.00 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 12 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix West Park Dam STATION ID 4858 DRAINAGE AREA 0.68 MI2 IN-SERVICE DATE 11/29/2001 PERIOD OF AVAILABLE RECORD 11/29/2001 - CURRENT YEAR WY 2008 PEAK 4.70 FEET EXTREME FOR PERIOD OF RECORD 10.73 FEET Surface Water Streamflow Storage Volume Data 07/10/2008 07/14/2002 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 8 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.5 0.2 0.2 11 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 12 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 27 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 28 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 29 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 30 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 MAX 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4.7 0.2 0.2 MIN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.20 MAX 4.70 MIN 0.20 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 13 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cave Buttes Dam STATION ID 4904 DRAINAGE AREA 191 MI2 IN-SERVICE DATE 01/25/1984 PERIOD OF AVAILABLE RECORD 10/01/1987 - CURRENT YEAR WY 2008 PEAK 52.29 FEET EXTREME FOR PERIOD OF RECORD 75.89 FEET Surface Water Streamflow Storage Volume Data 02/01/2008 01/11/1993 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.9 1.9 22.9 1.9 41.6 1.9 1.9 1.9 1.9 1.9 1.9 1.9 2 1.9 1.9 38.1 1.9 37.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 3 1.9 1.9 41.7 1.9 32.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 4 1.9 1.9 32.2 1.9 26.8 1.9 1.9 1.9 1.9 1.9 1.9 1.9 5 1.9 1.9 28.4 1.9 19.8 1.9 1.9 1.9 1.9 1.9 1.9 1.9 6 1.9 1.9 15.0 1.9 4.5 1.9 1.9 1.9 1.9 1.9 1.9 1.9 7 1.9 1.9 7.3 4.8 2.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 8 1.9 1.9 20.6 7.7 2.1 1.9 1.9 1.9 1.9 1.9 1.9 1.9 9 1.9 1.9 20.4 3.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 10 1.9 1.9 13.5 2.6 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 11 1.9 1.9 13.6 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 2.0 12 1.9 1.9 5.7 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 13 1.9 1.9 1.9 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 14 1.9 1.9 1.9 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 15 1.9 1.9 1.9 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 16 1.9 1.9 1.9 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 17 1.9 1.9 1.9 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 18 1.9 1.9 1.9 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 19 1.9 1.9 1.9 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 20 1.9 1.9 1.9 2.2 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 21 1.9 1.9 1.9 2.0 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 22 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 23 1.9 1.9 1.9 2.0 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 24 1.9 1.9 1.9 2.4 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 25 1.9 1.9 1.9 2.6 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 26 1.9 1.9 1.9 2.1 1.9 1.9 1.9 1.9 1.9 1.9 5.1 1.9 27 1.9 1.9 1.9 5.0 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 28 1.9 1.9 1.9 24.0 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 29 1.9 1.9 1.9 44.4 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 30 1.9 3.6 1.9 49.0 --1.9 1.9 1.9 1.9 1.9 1.9 1.9 31 1.9 --1.9 45.6 --1.9 --1.9 --1.9 1.9 -------------------------------------------------------------------------------MEAN 1.9 2.0 9.5 7.5 7.1 3.2 1.9 1.9 1.9 1.9 2.0 1.9 MAX 1.9 20.0 43.5 49.8 52.3 3.4 1.9 1.9 1.9 2.8 9.6 2.6 MIN 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 2.0 1.9 -----------------------------------------------------------------------------WTR YR 2008 MEAN 3.40 MAX 52.29 MIN 1.90 *NOTE: Non-submersible pressure transducer type gage was replaced with a bubbler type digital gage on February 17, 2000. The gage id number changed from 4904 to 4899. See also Surface Water Streamflow (4903) and Storage Volume data (4902). Pool Level Data Page 14 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Reata Pass Dam STATION ID 4938 DRAINAGE AREA 1.0 MI2 IN-SERVICE DATE 10/02/2001 PERIOD OF AVAILABLE RECORD 10/02/2001 - CURRENT YEAR WY 2008 PEAK 4.47 FEET EXTREME FOR PERIOD OF RECORD 5.40 FEET Surface Water Streamflow Storage Volume Data 01/28/2008 09/09/2006 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 1.9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.5 0.1 0.1 5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.4 0.1 0.1 6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 7 0.1 0.1 0.3 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 8 0.1 0.1 1.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 10 0.1 0.1 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 0.1 11 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.5 0.1 0.1 12 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 13 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 14 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 15 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 16 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 17 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 18 0.1 --0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 19 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 20 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 21 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 22 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 23 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 24 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 25 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 0.1 26 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.1 0.1 27 0.1 0.1 0.1 1.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 28 0.1 0.1 0.1 2.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 29 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.6 0.1 30 0.1 0.7 0.1 0.1 --0.1 0.1 0.1 0.1 0.1 0.4 0.1 31 0.1 --0.1 0.1 --0.1 --0.1 --0.1 0.1 -------------------------------------------------------------------------------MEAN 0.1 0.1 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 MAX 0.1 3.2 4.7 4.5 0.1 0.1 0.1 0.1 0.1 2.7 4.2 0.1 MIN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.08 MAX 4.68 MIN 0.05 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 15 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Saddleback FRS STATION ID 5113 DRAINAGE AREA 29.6 MI2 IN-SERVICE DATE 12/16/1988 PERIOD OF AVAILABLE RECORD 12/16/1988 - CURRENT YEAR WY 2008 PEAK 0.60 FEET EXTREME FOR PERIOD OF RECORD 2.50 FEET Surface Water Streamflow Storage Volume Data 08/25/2008 07/15/1996 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 5 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 6 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 8 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 9 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 10 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 11 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 12 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 13 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 14 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 15 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 16 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 17 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 18 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 19 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 20 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 21 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 22 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 23 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 24 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 25 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 26 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 27 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 28 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 29 0.3 0.3 --0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 30 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 0.3 0.3 0.3 0.3 31 0.3 --0.3 0.3 --0.3 --0.3 --0.3 0.3 -------------------------------------------------------------------------------MEAN 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 MAX 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.3 MIN 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.30 MAX 0.60 MIN 0.30 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 16 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Harquahala FRS STATION ID 5128 DRAINAGE AREA 102.3 MI2 IN-SERVICE DATE 03/01/1994 PERIOD OF AVAILABLE RECORD 03/01/1994 - CURRENT YEAR WY 2008 PEAK 12.05 FEET 07/10/2008 EXTREME FOR PERIOD OF RECORD 21.47 FEET 10/27/2000 Surface Water Streamflow Storage Volume Data Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.6 0.4 2 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 9 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 10 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.4 0.4 0.4 11 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 10.9 0.4 0.4 12 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 9.5 0.4 0.4 13 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 8.4 0.4 0.4 14 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 7.1 0.4 0.4 15 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 5.8 0.4 0.4 16 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 4.7 0.4 0.4 17 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 3.9 0.4 0.4 18 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 3.3 0.4 0.4 19 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.9 0.4 0.4 20 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.7 0.4 0.4 21 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.5 0.4 0.4 22 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.2 0.4 0.4 23 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.1 0.4 0.4 24 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.9 0.4 0.4 25 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.7 0.6 0.4 26 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.5 1.9 0.4 27 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.4 1.4 0.4 28 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.2 1.0 0.4 29 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.0 0.6 0.4 30 0.4 0.4 0.4 0.4 --0.4 0.4 0.4 0.4 0.9 0.4 0.4 31 0.4 --0.4 0.4 --0.4 --0.4 --0.8 0.4 -------------------------------------------------------------------------------MEAN 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.7 0.5 0.4 MAX 0.4 0.8 0.8 0.4 0.4 0.4 0.4 0.4 0.4 12.0 2.3 0.4 MIN 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.58 MAX 12.05 MIN 0.38 NOTE: Gated outlet not opened. Therefore, many days of post-flood impoundment. See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 17 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #1 FRS STATION ID 5203 DRAINAGE AREA 74 MI2 IN-SERVICE DATE 07/26/1983 PERIOD OF AVAILABLE RECORD 11/23/1987 - CURRENT YEAR WY 2008 PEAK NONE EXTREME FOR PERIOD OF RECORD 4.96 FEET Surface Water Streamflow Storage Volume Data NONE 02/14/2003 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 2 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 3 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 4 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 6 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 7 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 8 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 9 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 10 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 11 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 12 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 13 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 14 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 15 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 16 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 17 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 18 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 19 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 20 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 21 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 22 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 23 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 24 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 25 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 26 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 27 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 28 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 29 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 30 -2.5 -2.5 -2.5 -2.5 --- -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 31 -2.5 --- -2.5 -2.5 --- -2.5 --- -2.5 --- -2.5 -2.5 -------------------------------------------------------------------------------MEAN -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 MAX -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 MIN -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -----------------------------------------------------------------------------WTR YR 2008 MEAN -2.49 MAX -2.49 MIN -2.49 NOTE: Instrument is 2.49 feet below gage datum zero at invert elevation of principal outlet, which is located in a depressed drop box type inlet structure. Gage datum of 0.00 feet is taken to be the point at the top of the drop box which is level with the ground at the inlet structure. See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 18 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #2 FRS STATION ID 5208 DRAINAGE AREA 5.7 MI2 IN-SERVICE DATE 11/11/1992 PERIOD OF AVAILABLE RECORD 11/11/1992 - CURRENT YEAR WY 2008 PEAK NONE EXTREME FOR PERIOD OF RECORD 4.66 FEET Surface Water Streamflow Storage Volume Data NONE 02/14/2003 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 2 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 3 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 5 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 6 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 7 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 8 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 9 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 10 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 11 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 12 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 13 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 14 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 15 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 16 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 17 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 18 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 19 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 20 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 21 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 22 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 23 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 24 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 25 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 26 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 27 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 28 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 29 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 30 -1.4 -1.4 -1.4 -1.4 --- -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 31 -1.4 --- -1.4 -1.4 --- -1.4 --- -1.4 --- -1.4 -1.4 -------------------------------------------------------------------------------MEAN -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 MAX -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 MIN -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -1.4 -----------------------------------------------------------------------------WTR YR 2008 MEAN -1.39 MAX -1.39 MIN -1.39 Instrument is 1.39 feet below zero gage datum at invert of principal outlet, which is located in a depressed drop box type inlet structure. Gage datum of 0.00 feet is taken to be the point at the top of the drop box which is level with the ground at the inlet structure. See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 19 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sunset FRS STATION ID 5233 DRAINAGE AREA 0.95 MI2 IN-SERVICE DATE 02/12/1989 PERIOD OF AVAILABLE RECORD 02/12/1989 - CURRENT YEAR WY 2008 PEAK 5.13 FEET EXTREME FOR PERIOD OF RECORD 12.27 FEET Surface Water Streamflow Storage Volume Data 11/30/2007 09/26/1997 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 4.9 0.1 1.9 0.1 0.1 0.1 1.3 0.1 1.0 2.5 2 0.1 0.1 4.2 0.1 1.7 0.1 0.1 0.1 1.0 0.1 0.7 2.4 3 0.1 0.1 3.3 0.1 1.7 0.1 0.1 0.1 0.8 0.1 0.5 2.2 4 0.1 0.1 3.0 0.1 3.4 0.1 0.1 0.1 0.6 0.1 0.2 2.1 5 0.1 0.1 2.8 0.1 3.2 0.1 0.1 0.1 0.3 0.1 0.1 1.9 6 0.1 0.1 2.7 0.1 2.9 0.1 0.1 0.1 0.1 0.1 0.1 1.8 7 0.1 0.1 2.6 1.8 0.4 0.1 0.1 0.1 0.1 0.1 0.1 1.7 8 0.1 0.1 2.7 2.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.6 9 0.1 0.1 2.5 1.9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.4 10 0.1 0.1 2.4 1.8 0.1 0.1 0.1 0.1 0.1 0.3 0.1 1.3 11 0.1 0.1 2.1 1.5 0.1 0.1 0.1 0.1 0.1 2.1 0.1 1.2 12 0.1 0.1 1.9 1.3 0.1 0.1 0.1 0.1 0.1 1.8 0.1 1.0 13 0.1 0.1 1.6 1.1 0.1 0.1 0.1 0.1 0.1 2.1 0.1 0.8 14 0.1 0.1 1.1 0.5 0.1 0.1 0.1 0.1 0.1 2.6 0.1 0.6 15 0.1 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 2.3 0.1 0.2 16 0.1 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.1 2.1 0.1 0.1 17 0.1 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.1 1.9 0.1 0.1 18 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.7 0.1 0.1 19 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.6 0.1 0.1 20 0.1 0.1 0.1 0.1 0.3 0.1 0.1 0.1 0.1 1.5 0.1 0.1 21 0.1 0.1 0.1 0.1 1.4 0.1 0.1 0.1 0.1 1.4 0.1 0.1 22 0.1 0.1 0.1 0.1 1.6 0.1 0.1 0.1 0.1 1.2 0.1 0.1 23 0.1 0.1 0.1 0.1 2.0 0.1 0.1 1.2 0.1 1.0 0.1 0.1 24 0.1 0.1 0.1 0.1 1.8 0.1 0.1 2.6 0.1 0.7 0.1 0.1 25 0.1 0.1 0.1 0.1 1.6 0.1 0.1 2.3 0.1 0.4 0.8 0.1 26 0.1 0.1 0.1 0.1 1.5 0.1 0.1 2.1 0.1 0.9 4.1 0.1 27 0.1 0.1 0.1 2.0 1.3 0.1 0.1 1.9 0.1 2.0 3.7 0.1 28 0.1 0.1 0.1 2.8 1.0 0.1 0.1 1.8 0.1 1.8 3.4 0.1 29 0.1 0.1 0.1 2.6 0.5 0.1 0.1 1.6 0.1 1.6 3.1 0.1 30 0.1 0.5 0.1 2.3 --0.1 0.1 1.5 0.1 1.4 2.9 0.1 31 0.1 --0.1 2.1 --0.1 --1.4 --1.2 2.7 -------------------------------------------------------------------------------MEAN 0.1 0.1 1.3 0.8 1.0 0.1 0.1 0.6 0.2 1.1 0.8 0.8 MAX 0.1 5.1 4.9 2.9 3.5 0.5 0.1 2.8 1.4 2.9 4.3 2.6 MIN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.61 MAX 5.13 MIN 0.13 See also Surface Water Streamflow and Storage Volume Data. Pool Level Data Page 20 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sunnycove FRS STATION ID 5248 DRAINAGE AREA 1.35 MI2 IN-SERVICE DATE 07/01/1986 PERIOD OF AVAILABLE RECORD 12/16/1988 - CURRENT YEAR REVISED RECORDS WY2000:WY1999 WY 2008 PEAK 9.72 FEET EXTREME FOR PERIOD OF RECORD 21.68 FEET Surface Water Streamflow Storage Volume Data 12/01/2007 08/22/1992 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.6 0.6 9.1 4.8 2.9 0.6 0.6 0.6 0.6 0.6 0.6 2.6 2 0.6 0.6 8.3 4.8 2.8 0.6 0.6 0.6 0.6 0.6 0.6 1.6 3 0.6 0.6 8.4 4.7 2.7 0.6 0.6 0.6 0.6 0.6 0.6 0.7 4 0.6 0.6 8.4 4.7 2.8 0.6 0.6 0.6 0.6 0.6 0.6 0.6 5 0.6 0.6 8.6 4.5 2.8 0.6 0.6 0.6 0.6 0.6 0.6 0.6 6 0.6 0.6 8.4 4.6 2.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 7 0.6 0.6 8.5 4.4 1.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 8 --0.6 8.7 4.4 1.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 9 --0.6 8.5 4.3 1.3 0.6 0.6 0.6 0.6 0.6 0.6 0.6 10 0.6 0.6 7.9 4.2 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 11 0.6 0.6 7.8 4.2 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 12 0.6 0.6 7.9 4.2 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 13 0.6 0.6 7.9 4.0 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 14 0.6 0.6 8.1 4.0 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 15 0.6 0.6 6.8 3.9 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 16 0.6 0.6 5.8 3.8 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 17 0.6 0.6 5.9 3.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 18 0.6 0.6 5.7 3.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 19 0.6 0.6 5.7 3.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 20 0.6 0.6 5.6 3.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 21 0.6 0.6 5.5 3.4 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 22 0.6 0.6 5.4 3.4 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 23 0.6 0.6 5.3 3.3 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 24 0.6 0.6 5.2 3.2 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 25 0.6 0.6 5.1 3.2 0.6 0.6 0.6 0.6 0.6 0.6 1.0 0.6 26 0.6 0.6 5.1 3.1 0.6 0.6 0.6 0.6 0.6 0.6 3.2 0.6 27 0.6 0.6 5.1 3.1 0.6 0.6 0.6 0.6 0.6 0.6 3.0 0.6 28 0.6 0.6 5.0 3.4 0.6 0.6 0.6 0.6 0.6 0.6 2.8 0.6 29 0.6 0.6 5.0 3.3 0.6 0.6 0.6 0.6 0.6 0.6 2.6 0.6 30 0.6 0.8 5.1 3.1 --0.6 0.6 0.6 0.6 0.6 2.7 0.6 31 0.6 --4.8 3.0 --0.6 --0.6 --0.6 2.8 -------------------------------------------------------------------------------MEAN 0.6 0.6 6.7 3.9 1.1 0.6 0.6 0.6 0.6 0.6 1.0 0.7 MAX 1.2 8.0 10.0 6.5 4.2 0.6 0.6 0.6 0.6 0.6 4.3 3.7 MIN 0.6 0.6 4.7 3.0 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1.49 MAX 9.99 MIN 0.60 See also Surface Water Streamflow and Storage Volume data. Note: Gage showed odd data for the event of September 9, 2006. Peak was approximately 15 feet. Pool Level Data Page 21 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System White Tanks #3 FRS STATION ID 5418 DRAINAGE AREA 20.5 MI2 IN-SERVICE DATE 03/12/1986 PERIOD OF AVAILABLE RECORD 01/01/1988 - CURRENT YEAR WY 2008 PEAK NONE EXTREME FOR PERIOD OF RECORD 2.60 FEET Surface Water Streamflow Storage Volume Data NONE 01/11/1993 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ------------------0.0 0.0 0.0 2 ------------------0.0 0.0 0.0 3 ------------------0.0 0.0 0.0 4 ------------------0.0 0.0 0.0 5 ------------------0.0 0.0 0.0 6 ------------------0.0 0.0 0.0 7 ------------------0.0 0.0 0.0 8 ------------------0.0 0.0 0.0 9 ------------------0.0 0.0 0.0 10 ------------------0.0 0.0 0.0 11 ------------------0.0 0.0 0.0 12 ------------------0.0 0.0 0.0 13 ------------------0.0 0.0 0.0 14 ------------------0.0 0.0 0.0 15 ------------------0.0 0.0 0.0 16 ------------------0.0 0.0 0.0 17 ------------------0.0 0.0 0.0 18 ----------------0.0 0.0 0.0 0.0 19 ----------------0.0 0.0 0.0 0.0 20 ----------------0.0 0.0 0.0 0.0 21 ----------------0.0 0.0 0.0 0.0 22 ----------------0.0 0.0 0.0 0.0 23 ----------------0.0 0.0 0.0 0.0 24 ----------------0.0 0.0 0.0 0.0 25 ----------------0.0 0.0 0.0 0.0 26 ----------------0.0 0.0 0.0 0.0 27 ----------------0.0 0.0 0.0 0.0 28 ----------------0.0 0.0 0.0 0.0 29 ----------------0.0 0.0 0.0 0.0 30 ----------------0.0 0.0 0.0 0.0 31 ------------------0.0 0.0 -------------------------------------------------------------------------------MEAN ----------------0.0 0.0 0.0 0.0 MAX ----------------0.0 0.0 0.0 0.0 MIN ----------------0.0 0.0 0.0 0.0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.00 MAX 0.00 MIN 0.00 See also Surface Water Streamflow and Storage Volume data. Note: Stage gage removed due to construction from October 1, 2007 through June 17, 2008. Pool Level Data Page 22 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System McMicken Dam South STATION ID 5443 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Storage Volume Data DRAINAGE AREA 247 MI2 02/13/2002 02/13/2002 - CURRENT YEAR 0.60 FEET 1.30 FEET 01/28/2008 02/13/2003 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 12 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 28 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 29 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 30 0.0 0.0 0.0 0.0 --0.0 0.0 0.0 0.0 0.0 0.0 0.0 31 0.0 --0.0 0.0 --0.0 --0.0 --0.0 0.0 -------------------------------------------------------------------------------MEAN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MAX 0.0 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MIN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.00 MAX 0.60 MIN 0.00 See also Storage Volume data. Pool Level Data Page 23 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System McMicken Dam STATION ID 5448 DRAINAGE AREA 247 MI2 IN-SERVICE DATE 03/20/1983 PERIOD OF AVAILABLE RECORD 02/18/1988 - CURRENT YEAR WY 2008 PEAK NONE EXTREME FOR PERIOD OF RECORD 4.90 FEET Surface Water Streamflow Storage Volume Data NONE 09/04/1990 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 2 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 3 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 4 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 5 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 7 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 8 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 9 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 10 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 11 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 12 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 13 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 14 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 15 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 16 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 17 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 18 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 19 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 20 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 21 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 22 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 23 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 24 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 25 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 26 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 27 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 28 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 29 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 30 1.6 1.6 1.6 1.6 --1.6 1.6 1.6 1.6 1.6 1.6 1.6 31 1.6 --1.6 1.6 --1.6 --1.6 --1.6 1.6 -------------------------------------------------------------------------------MEAN 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 MAX 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 MIN 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1.60 MAX 1.60 MIN 1.60 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 24 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Adobe Dam STATION ID 5534 DRAINAGE AREA 89.6 MI2 IN-SERVICE DATE 10/28/1982 PERIOD OF AVAILABLE RECORD 08/30/1988 - CURRENT YEAR WY 2008 PEAK 11.25 FEET EXTREME FOR PERIOD OF RECORD 14.45 FEET Surface Water Streamflow Storage Volume Data 12/01/2007 08/16/1990 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --3.2 8.9 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 2 3.2 3.2 5.7 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 4 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 5 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 6 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 7 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 8 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 9 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 10 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 11 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 12 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 13 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 14 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 15 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 16 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 17 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 18 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 19 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 20 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 21 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 22 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 23 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 24 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 25 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 26 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 27 3.2 3.2 3.2 3.4 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 28 3.2 3.2 3.2 6.9 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 29 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 30 3.2 3.2 3.2 3.2 --3.2 3.2 3.2 3.2 3.2 3.2 3.2 31 3.2 --3.2 3.2 --3.2 --3.2 --3.2 3.2 -------------------------------------------------------------------------------MEAN 3.2 3.2 3.5 3.3 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 MAX 3.2 3.2 11.3 8.7 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 MIN 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 3.23 MAX 11.26 MIN 3.20 NOTE: Non-submersible pressure transducer type gage was replaced with a bubbler type digital gage on August 10, 2000. The gage id number changed from 5539 to 5534. Gage was also moved from at the principal outlet to the original stilling well location and thus the datum increased by 3.1 feet. See also Surface Water Streamflow (5538) and Storage Volume data (5537). Pool Level Data Page 25 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System New River Dam STATION ID 5614 DRAINAGE AREA 164 MI2 IN-SERVICE DATE 04/15/1986 PERIOD OF AVAILABLE RECORD 08/30/1988 - CURRENT YEAR WY 2008 PEAK 23.04 FEET EXTREME FOR PERIOD OF RECORD 44.37 FEET Surface Water Streamflow Storage Volume Data 01/28/2008 01/08/1993 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 3 2.9 2.9 3.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 4 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 5 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 6 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 7 2.9 2.9 2.9 3.4 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 8 2.9 2.9 7.5 5.2 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 9 2.9 2.9 5.6 3.0 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 10 2.9 2.9 3.0 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 11 2.9 2.9 3.1 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 12 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 13 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 14 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 15 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 16 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 17 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 18 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 19 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 20 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 21 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 22 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 23 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 24 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 --2.9 2.9 25 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 26 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 27 2.9 2.9 2.9 4.6 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 28 2.9 2.9 2.9 21.4 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 29 2.9 2.9 2.9 15.2 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 30 2.9 2.9 2.9 8.4 --2.9 2.9 2.9 2.9 2.9 2.9 2.9 31 2.9 --2.9 4.1 --2.9 --2.9 --2.9 2.9 -------------------------------------------------------------------------------MEAN 2.9 2.9 3.2 4.2 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 MAX 2.9 2.9 8.7 23.0 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 MIN 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 -----------------------------------------------------------------------------WTR YR 2008 MEAN 3.02 MAX 23.04 MIN 2.88 *NOTE: Non-submersible pressure transducer type gage was replaced with a bubbler type digital gage on August 10, 2000. The gage id number changed from 5614 to 5609. See also Surface Water Streamflow (5613) and Storage Volume data (5612). Pool Level Data Page 26 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Stoneridge Dam STATION ID 5968 DRAINAGE AREA 0.86 MI2 IN-SERVICE DATE 12/11/1996 PERIOD OF AVAILABLE RECORD 12/11/1996 - CURRENT YEAR WY 2008 PEAK 4.87 FEET EXTREME FOR PERIOD OF RECORD 7.15 FEET Surface Water Streamflow Storage Volume Data 08/28/2008 08/31/1999 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 2 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 3 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 4 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 5 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 6 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 7 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 8 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 10 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 11 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 12 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 13 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 14 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 15 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 16 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 17 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 18 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 19 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 20 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 21 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 22 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 23 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 24 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 25 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 26 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 27 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 28 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 1.0 0.9 29 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 30 0.9 0.9 0.9 0.9 --0.9 0.9 0.9 0.9 0.9 0.9 0.9 31 0.9 --0.9 0.9 --0.9 --0.9 --0.9 0.9 -------------------------------------------------------------------------------MEAN 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 MAX 0.9 0.9 0.9 1.2 0.9 0.9 0.9 0.9 0.9 0.9 4.9 0.9 MIN 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.87 MAX 4.87 MIN 0.87 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 27 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sun Ridge Canyon Dam STATION ID 5973 DRAINAGE AREA 1.60 MI2 IN-SERVICE DATE 02/04/1997 PERIOD OF AVAILABLE RECORD 02/04/1997 - CURRENT YEAR WY 2008 PEAK 5.06 FEET EXTREME FOR PERIOD OF RECORD 7.68 FEET Surface Water Streamflow Storage Volume Data 08/28/2008 10/26/1998 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 2 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 3 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 5 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 6 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 7 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 8 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 9 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 10 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 11 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 --1.4 1.4 1.4 12 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 13 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 14 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 15 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 16 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 17 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 18 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 19 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 20 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 21 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 22 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 23 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 24 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 25 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 26 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 27 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 28 1.4 1.4 1.4 1.4 1.4 1.4 1.5 1.4 1.4 1.4 1.5 1.4 29 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 30 1.4 1.4 1.4 1.4 --1.4 1.4 1.4 1.4 1.4 1.4 1.4 31 1.4 --1.4 1.4 --1.4 --1.4 --1.4 1.4 -------------------------------------------------------------------------------MEAN 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 MAX 1.4 1.4 1.4 1.4 1.4 1.4 1.8 1.4 1.4 1.4 5.1 1.4 MIN 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1.36 MAX 5.06 MIN 1.36 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 28 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Golden Eagle Park Dam STATION ID 5978 DRAINAGE AREA 7.13 MI2 IN-SERVICE DATE 12/12/1996 PERIOD OF AVAILABLE RECORD 12/12/1996 - CURRENT YEAR WY 2008 PEAK 11.58 FEET EXTREME FOR PERIOD OF RECORD 12.02 FEET Surface Water Streamflow Storage Volume Data 08/28/2008 08/02/2005 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 4 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 5 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.7 2.6 6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.8 2.6 7 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 8 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 9 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 10 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 11 2.6 2.6 3.1 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 12 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 13 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 14 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 15 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 16 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 17 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 18 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 19 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 20 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 21 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 22 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 23 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 24 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 25 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.8 2.6 26 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3.7 2.6 27 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 28 2.6 2.6 2.6 3.6 2.6 2.6 2.6 2.6 2.6 2.6 2.9 2.6 29 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3.9 2.6 30 2.6 2.6 2.6 2.6 --2.6 2.6 2.6 2.6 2.6 2.6 2.6 31 2.6 --2.6 2.6 --2.6 --2.6 --2.6 2.6 -------------------------------------------------------------------------------MEAN 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.7 2.6 MAX 2.6 2.6 9.1 5.0 2.6 2.6 2.6 2.6 2.6 2.6 11.6 2.6 MIN 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 -----------------------------------------------------------------------------WTR YR 2008 MEAN 2.57 MAX 11.58 MIN 2.56 See also Surface Water Streamflow and Storage Volume Data. Pool Level Data Page 29 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System North Heights Dam STATION ID 5983 DRAINAGE AREA 2.13 MI2 IN-SERVICE DATE 10/11/1996 PERIOD OF AVAILABLE RECORD 10/11/1996 - CURRENT YEAR WY 2008 PEAK 11.40 FEET EXTREME FOR PERIOD OF RECORD 14.82 FEET Surface Water Streamflow Storage Volume Data 08/28/2008 09/10/2002 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 7 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 8 0.2 0.2 0.7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 11 0.2 0.2 0.9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 12 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 27 0.2 0.2 0.2 0.7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 28 0.2 0.2 0.2 1.0 0.2 0.2 0.2 0.2 0.2 0.2 0.6 0.2 29 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 30 0.2 0.4 0.2 0.2 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.3 0.2 MAX 0.2 1.2 6.9 3.8 1.1 0.2 0.2 0.2 0.2 0.2 11.4 0.2 MIN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.26 MAX 11.40 MIN 0.25 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 30 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Aspen Dam STATION ID 5988 DRAINAGE AREA 2.02 MI2 IN-SERVICE DATE 01/02/1997 PERIOD OF AVAILABLE RECORD 01/02/1997 - CURRENT YEAR WY 2008 PEAK 4.24 FEET EXTREME FOR PERIOD OF RECORD 5.84 FEET Surface Water Streamflow Storage Volume Data 08/29/2008 03/05/2004 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 8 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 11 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 12 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 27 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 28 0.2 0.2 0.2 1.0 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 29 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 30 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 MAX 0.2 0.3 1.2 3.0 0.2 0.2 0.2 0.2 0.2 0.4 4.2 0.2 MIN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.24 MAX 4.24 MIN 0.24 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 31 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hesperus Dam STATION ID 5993 DRAINAGE AREA 2.91 MI2 IN-SERVICE DATE 12/18/1996 PERIOD OF AVAILABLE RECORD 12/18/1996 - CURRENT YEAR WY 2008 PEAK 4.88 FEET EXTREME FOR PERIOD OF RECORD 8.93 FEET Surface Water Streamflow Storage Volume Data 08/28/2008 09/10/2002 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 3 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 4 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 6 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 7 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 8 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 9 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 10 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 11 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 12 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 13 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 14 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 15 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 16 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 17 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 18 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 19 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 20 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 21 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 22 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 23 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 24 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 25 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 26 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 27 1.0 1.0 1.0 1.1 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 28 1.0 1.0 1.0 1.6 1.0 1.0 1.0 1.0 1.0 1.0 1.1 1.0 29 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 30 1.0 1.0 1.0 1.0 --1.0 1.0 1.0 1.0 1.0 1.0 1.0 31 1.0 --1.0 1.0 --1.0 --1.0 --1.0 1.0 -------------------------------------------------------------------------------MEAN 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 MAX 1.0 1.0 1.0 3.7 1.0 1.0 1.0 1.0 1.0 1.0 4.9 1.0 MIN 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1.03 MAX 4.88 MIN 1.03 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 32 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Guadalupe FRS STATION ID 6503 DRAINAGE AREA 1.87 MI2 IN-SERVICE DATE 06/29/1989 PERIOD OF AVAILABLE RECORD 06/29/1989 - CURRENT YEAR WY 2008 PEAK 9.41 FEET EXTREME FOR PERIOD OF RECORD 9.41 FEET Surface Water Streamflow Storage Volume Data 07/13/2008 07/13/2008 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 5 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 6 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 8 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 9 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 10 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 11 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 12 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 13 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --3.0 0.3 0.3 14 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --6.9 0.3 0.3 15 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --1.0 0.3 0.3 16 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 17 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 18 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 19 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 20 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 21 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 22 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 23 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 24 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 25 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 26 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 27 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 28 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 29 0.3 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 0.3 30 0.3 0.3 0.3 0.3 --0.3 0.3 --0.3 0.3 0.3 0.3 31 0.3 --0.3 0.3 --0.3 ------0.3 0.3 -------------------------------------------------------------------------------MEAN 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.3 0.3 MAX 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 9.4 1.1 0.3 MIN 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.29 MAX 9.41 MIN 0.26 See also Surface Water Streamflow and Storage Volume data. NOTE: Station down for construction from May 27 through June 25, 2008. Pool Level Data Page 33 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Freestone Basin STATION ID 6608 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Storage Volume Data DRAINAGE AREA 2.2 MI2 12/19/1995 12/19/1995 - CURRENT YEAR 2.45 FEET 13.38 FEET 07/10/2008 07/26/2006 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 3.1 2.8 8.0 2.9 2.9 3.0 2.8 3.1 3.1 2.8 2.9 2.8 2 3.0 2.8 7.0 2.9 2.9 3.4 2.9 2.9 2.9 2.8 3.5 2.8 3 2.9 3.0 2.8 2.9 2.9 3.6 2.8 2.8 3.0 2.9 3.9 2.9 4 2.9 3.2 3.7 2.9 4.5 3.7 3.0 3.4 2.9 3.1 3.4 2.9 5 2.8 3.1 3.2 2.9 4.4 3.7 2.8 3.0 2.9 2.9 3.2 2.8 6 2.8 3.3 2.8 2.9 2.8 3.1 3.1 2.8 2.9 3.2 3.3 2.9 7 3.1 3.1 3.2 5.1 2.8 3.1 2.8 2.8 2.8 2.9 3.9 3.3 8 3.2 3.2 7.7 6.1 2.9 3.5 2.8 3.1 2.8 2.8 6.6 3.0 9 2.9 3.1 8.2 3.6 2.9 3.6 2.8 3.3 2.8 2.8 4.8 2.8 10 3.2 2.8 7.1 2.8 2.9 3.5 2.9 3.6 2.8 3.2 3.8 2.9 11 3.1 2.9 4.9 2.8 2.9 3.2 3.0 3.6 2.8 6.6 3.1 3.1 12 2.9 3.0 5.1 2.8 3.0 3.6 3.3 3.0 2.9 2.8 2.8 2.8 13 3.1 3.3 5.0 2.9 2.9 3.6 3.0 2.8 3.0 2.9 2.8 2.8 14 3.6 3.5 3.6 2.9 2.9 3.7 2.9 2.9 3.0 2.9 3.0 3.3 15 3.1 2.8 2.9 2.9 4.5 4.0 2.8 2.9 3.1 2.9 3.1 3.0 16 2.8 2.9 2.9 2.9 5.4 4.1 2.8 3.5 2.9 2.8 3.4 2.9 17 3.2 2.9 2.9 3.0 3.8 3.4 2.8 3.8 2.8 2.9 4.0 2.8 18 2.9 2.9 2.9 3.3 2.8 3.3 3.3 3.8 2.8 2.9 3.1 2.8 19 2.9 2.9 2.9 3.0 2.8 3.3 3.5 3.1 2.9 2.8 2.8 2.8 20 3.2 3.1 2.9 3.4 2.8 3.2 3.3 2.8 2.8 3.1 2.8 3.0 21 3.3 3.0 2.9 3.4 3.4 3.3 3.1 2.8 2.9 3.1 2.9 3.4 22 3.0 2.8 2.9 3.7 2.8 3.3 2.8 3.5 3.4 2.8 3.0 3.0 23 2.8 2.9 2.9 4.1 3.0 3.0 3.0 4.1 3.0 2.8 3.6 2.8 24 3.0 2.9 2.9 4.2 3.2 2.8 2.8 --2.8 3.1 3.9 3.1 25 2.9 2.9 2.9 4.3 3.1 2.9 2.9 --3.3 2.8 3.3 3.0 26 3.1 2.9 2.9 4.4 3.8 3.0 2.8 --3.2 4.4 3.2 2.9 27 3.5 2.9 2.9 5.6 3.7 2.8 2.9 2.8 2.9 3.7 3.2 2.8 28 3.7 2.9 2.9 7.9 3.6 2.8 2.9 2.8 3.2 2.8 3.2 3.4 29 3.1 2.9 2.9 3.4 3.1 2.8 3.2 2.9 3.4 2.8 5.0 3.0 30 2.8 4.4 2.9 2.9 --2.8 3.3 3.1 3.0 2.8 2.8 2.8 31 2.8 --2.9 2.9 --2.8 --3.2 --2.8 2.8 -------------------------------------------------------------------------------MEAN 3.1 3.0 3.9 3.6 3.3 3.3 3.0 3.3 3.0 3.1 3.5 3.0 MAX 4.0 7.6 8.3 8.8 6.2 4.1 3.7 4.1 4.4 7.7 7.3 3.7 MIN 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 -----------------------------------------------------------------------------WTR YR 2008 MEAN 3.25 MAX 8.76 MIN 2.83 Many days of impoundment due to irrigation tailwater. The gage is located inside a pump housing that, when stage reaches a certain level, pumps water from the gage house and basin. The daily stage values fluctuate substantially. Gage Heights above 10.0 feet are generally caused by storm events. See also Storage Volume data. Pool Level Data Page 34 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Crossroads Park STATION ID 6623 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Storage Volume Data DRAINAGE AREA 15.7 MI2 12/18/1995 12/18/1995 - CURRENT YEAR 2.36 FEET 2.90 FEET 07/18/2008 03/17/2006 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.3 1.3 1.8 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 2 1.3 1.3 1.7 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 3 1.3 1.3 1.5 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 4 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 5 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 6 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 7 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.5 1.3 8 1.3 1.3 1.6 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.9 1.3 9 1.3 1.3 1.5 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.8 1.3 10 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.6 1.3 11 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.4 1.3 12 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 13 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.4 1.3 1.3 14 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.5 1.3 1.3 15 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.5 1.3 1.3 16 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.4 1.3 1.3 17 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.7 1.3 1.3 18 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 2.2 1.3 1.3 19 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 2.2 1.3 1.3 20 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 2.0 1.3 1.3 21 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.7 1.3 1.3 22 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.4 1.3 1.3 23 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 24 1.3 1.3 1.3 1.3 1.3 1.3 1.3 --1.3 1.3 1.3 1.3 25 1.3 1.3 1.3 1.3 1.3 1.3 1.3 --1.3 1.3 1.3 1.3 26 1.3 1.3 1.3 1.3 1.3 1.3 1.3 --1.3 1.3 1.3 1.3 27 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.4 1.3 28 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 29 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 30 1.3 1.3 1.3 1.3 --1.3 1.3 1.3 1.3 1.3 1.3 1.3 31 1.3 --1.3 1.3 --1.3 --1.3 --1.3 1.3 -------------------------------------------------------------------------------MEAN 1.3 1.3 1.4 1.3 1.3 1.3 1.3 1.3 1.3 1.5 1.4 1.3 MAX 1.3 1.5 1.9 1.3 1.3 1.3 1.3 1.3 1.3 2.4 1.9 1.3 MIN 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1.35 MAX 2.36 MIN 1.33 See also Storage Volume data. Pool Level Data Page 35 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Signal Butte FRS STATION ID 6628 DRAINAGE AREA 16.4 MI2 IN-SERVICE DATE 11/10/1987 PERIOD OF AVAILABLE RECORD 11/10/1987 - CURRENT YEAR WY 2008 PEAK 7.15 FEET EXTREME FOR PERIOD OF RECORD 13.30 FEET Surface Water Streamflow Storage Volume Data 12/08/2007 01/11/1993 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.4 -0.2 4.2 -0.2 2.8 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.1 2 0.4 -0.2 3.9 -0.2 2.5 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 2.8 3 0.3 -0.2 3.5 -0.2 2.3 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 2.4 4 0.1 -0.2 3.1 -0.2 2.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.8 5 0.0 -0.2 2.7 -0.2 2.3 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.5 6 0.0 -0.2 2.4 -0.2 0.9 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.3 7 -0.2 -0.2 2.2 1.2 0.1 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.2 8 -0.2 -0.2 5.3 2.9 0.0 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.1 9 -0.2 -0.2 6.9 2.7 -0.1 --- -0.2 -0.2 -0.2 -0.2 -0.2 1.0 10 -0.2 -0.2 6.3 1.7 -0.2 -0.2 -0.2 -0.2 -0.2 0.2 -0.2 0.9 11 -0.2 -0.2 5.4 0.0 -0.2 -0.2 -0.2 -0.2 -0.2 3.0 -0.2 0.8 12 -0.2 -0.2 4.8 -0.1 -0.2 -0.2 -0.2 -0.2 -0.2 2.7 -0.2 0.7 13 -0.2 -0.2 4.3 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 2.4 -0.2 0.5 14 -0.2 -0.2 3.9 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 2.2 0.1 0.4 15 -0.2 -0.2 3.6 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.9 2.1 0.2 16 -0.2 -0.2 3.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.7 1.8 0.1 17 -0.2 -0.2 2.9 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.6 1.6 -0.1 18 -0.2 -0.2 1.7 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.4 1.4 -0.2 19 -0.2 -0.2 0.0 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.4 1.3 -0.2 20 -0.2 -0.2 0.0 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.3 1.1 -0.2 21 -0.2 -0.2 0.0 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.1 1.0 -0.2 22 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 1.0 0.9 -0.2 23 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 0.9 0.7 -0.2 24 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 0.7 0.5 -0.2 25 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 0.5 0.4 -0.2 26 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 0.4 0.4 -0.2 27 -0.2 -0.2 -0.2 0.4 -0.2 -0.2 -0.2 -0.2 -0.2 0.1 3.1 -0.2 28 -0.2 -0.2 -0.2 4.3 -0.2 -0.2 -0.2 -0.2 -0.2 -0.1 4.7 -0.2 29 -0.2 -0.2 -0.2 4.1 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 4.3 -0.2 30 -0.2 0.2 -0.2 3.6 --- -0.2 -0.2 -0.2 -0.2 -0.2 3.8 -0.2 31 -0.2 --- -0.2 3.2 --- -0.2 --- -0.2 --- -0.2 3.4 -------------------------------------------------------------------------------MEAN -0.2 -0.2 2.2 0.6 0.3 -0.2 -0.2 -0.2 -0.2 0.7 1.0 0.5 MAX 0.4 2.2 7.2 4.6 3.0 -0.2 -0.2 -0.2 -0.2 3.2 5.0 3.3 MIN -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.33 MAX 7.15 MIN -0.25 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 36 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Apache Junction FRS STATION ID 6673 DRAINAGE AREA 5.8 MI2 IN-SERVICE DATE 12/16/1981 PERIOD OF AVAILABLE RECORD 09/15/1988 - CURRENT YEAR WY 2008 PEAK 5.88 FEET EXTREME FOR PERIOD OF RECORD 5.88 FEET Surface Water Streamflow Storage Volume Data 12/08/2007 12/08/2007 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 1.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4 0.1 0.1 0.1 0.1 0.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 7 0.1 0.1 0.1 0.7 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 8 0.1 0.1 4.0 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 9 0.1 0.1 0.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 10 0.1 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 0.1 11 0.1 0.1 0.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 12 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 13 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 14 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 0.1 15 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 16 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 17 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 18 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 19 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 20 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 21 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 22 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 23 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 24 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 25 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 26 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 27 0.1 0.1 0.1 0.4 0.1 0.1 0.1 0.1 0.1 0.1 2.1 0.1 28 0.1 0.1 0.1 0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 29 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 30 0.1 0.2 0.1 0.1 --0.1 0.1 0.1 0.1 0.1 0.1 0.1 31 0.1 --0.1 0.1 --0.1 --0.1 --0.1 0.1 -------------------------------------------------------------------------------MEAN 0.1 0.1 0.3 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 MAX 0.1 1.9 5.9 2.3 1.1 0.1 0.1 0.1 0.1 1.3 4.0 0.1 MIN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.16 MAX 5.88 MIN 0.13 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 37 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Powerline FRS STATION ID 6683 DRAINAGE AREA 49.9 MI2 IN-SERVICE DATE 12/02/1992 PERIOD OF AVAILABLE RECORD 12/02/1992 - CURRENT YEAR WY 2008 PEAK 4.90 FEET EXTREME FOR PERIOD OF RECORD 11.00 FEET Surface Water Streamflow Storage Volume Data 12/08/2007 01/11/1993 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 3.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 0.2 0.2 2.9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3 0.2 0.2 2.0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.2 1.2 0.2 1.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5 0.2 0.2 0.2 0.2 1.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 6 0.2 0.2 0.2 0.2 0.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 7 0.2 0.2 0.2 1.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 8 0.2 0.2 3.4 2.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 9 0.2 0.2 3.5 1.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 0.2 0.2 2.5 0.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 11 0.2 0.2 2.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 12 0.2 0.2 1.9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 13 0.2 0.2 1.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 27 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 1.2 0.2 28 0.2 0.2 0.2 2.6 0.2 0.2 0.2 0.2 0.2 0.2 1.2 0.2 29 0.2 0.2 0.2 2.0 0.2 0.2 0.2 0.2 0.2 0.2 0.6 0.2 30 0.2 0.3 0.2 1.4 --0.2 0.2 0.2 0.2 0.2 0.7 0.2 31 0.2 --0.2 0.5 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.9 0.5 0.3 0.2 0.2 0.2 0.2 0.2 0.3 0.2 MAX 0.2 0.5 4.9 2.8 1.8 0.2 0.2 0.2 0.2 0.2 2.0 0.2 MIN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.31 MAX 4.90 MIN 0.20 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 38 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Vineyard FRS STATION ID 6688 DRAINAGE AREA 57.8 MI2 IN-SERVICE DATE 11/02/1983 PERIOD OF AVAILABLE RECORD 11/09/1987 - CURRENT YEAR WY 2008 PEAK 3.03 FEET EXTREME FOR PERIOD OF RECORD 5.90 FEET Surface Water Streamflow Storage Volume Data 12/01/2007 11/16/1993 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 0.0 2.7 0.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.1 2 0.0 0.0 2.7 0.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3 0.0 0.0 2.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4 0.0 0.0 1.4 0.0 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5 0.0 0.0 1.0 0.0 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6 0.0 0.0 0.7 0.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7 0.0 0.0 0.5 0.3 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8 0.0 0.0 1.9 0.7 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9 0.0 0.0 2.4 0.4 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10 0.0 0.0 2.2 0.3 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 0.0 0.0 2.6 0.1 0.2 0.0 0.0 0.0 0.0 0.5 0.0 0.7 12 0.0 0.0 2.5 0.0 0.1 0.0 0.0 0.0 0.0 0.4 0.0 0.5 13 0.0 0.0 1.8 0.0 0.0 0.0 --0.0 0.0 1.0 0.0 0.2 14 0.0 0.0 1.3 0.0 0.0 0.0 0.0 0.0 0.0 1.2 0.0 0.1 15 0.0 0.0 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.9 0.0 0.0 16 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.6 0.0 0.0 17 0.0 0.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.0 0.0 18 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 19 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.7 0.0 28 0.0 0.0 0.0 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.8 0.0 29 0.0 0.0 0.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 0.7 0.0 30 0.0 0.3 0.0 0.9 --0.0 0.0 0.0 0.0 0.0 0.5 0.0 31 0.0 --0.0 0.7 --0.0 --0.0 --0.0 0.3 -------------------------------------------------------------------------------MEAN 0.0 0.0 0.9 0.2 0.2 0.0 0.0 0.0 0.0 0.2 0.1 0.1 MAX 0.0 1.5 3.0 1.7 1.3 0.0 0.0 0.0 0.0 1.3 1.2 0.9 MIN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.14 MAX 3.03 MIN 0.00 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 39 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Rittenhouse FRS STATION ID 6703 DRAINAGE AREA 51.3 MI2 IN-SERVICE DATE 09/27/1988 PERIOD OF AVAILABLE RECORD 09/27/1988 - CURRENT YEAR WY 2008 PEAK 10.06 FEET EXTREME FOR PERIOD OF RECORD 12.58 FEET Surface Water Streamflow Storage Volume Data 07/11/2008 02/12/2005 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 5.6 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 1.4 2 0.1 0.1 0.9 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 3 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4 0.1 0.1 0.1 0.1 1.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 5 0.1 0.1 0.1 0.1 1.7 0.1 0.1 0.1 0.1 0.1 0.1 0.1 6 0.1 0.1 0.1 0.1 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 7 0.1 0.1 0.1 0.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 8 0.1 0.1 3.9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 9 0.1 0.1 3.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 10 0.1 0.1 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 11 0.1 0.1 3.2 0.1 0.1 0.1 0.1 0.1 0.1 8.4 0.1 0.1 12 0.1 0.1 0.8 0.1 0.1 0.1 0.1 0.1 0.1 7.9 0.1 0.1 13 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4.0 0.1 0.1 14 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 0.1 0.1 15 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 16 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 17 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 18 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 19 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 20 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 21 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 22 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 23 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 24 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 25 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 26 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.4 0.1 27 0.1 0.1 0.1 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 28 0.1 0.1 0.1 5.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 29 0.1 0.1 0.1 1.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 30 0.1 1.0 0.1 0.2 --0.1 0.1 0.1 0.1 0.1 0.1 0.1 31 0.1 --0.1 0.1 --0.1 --0.1 --0.1 0.1 -------------------------------------------------------------------------------MEAN 0.1 0.2 0.7 0.3 0.2 0.1 0.1 0.1 0.1 0.8 0.1 0.2 MAX 0.1 4.0 6.6 6.0 2.5 0.1 0.1 0.1 0.1 10.1 1.3 3.0 MIN 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.27 MAX 10.06 MIN 0.13 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 40 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Magma FRS STATION ID 6718 DRAINAGE AREA UNDETERMINED IN-SERVICE DATE 11/15/2007 PERIOD OF AVAILABLE RECORD 11/15/2007 - CURRENT YEAR WY 2008 PEAK 1618.90 FT 07/11/2008 EXTREME FOR PERIOD OF RECORD 1618.90 FT 07/11/2008 Surface Water Streamflow Storage Volume Data Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ----- 1601. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 2 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 3 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 4 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 5 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 6 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 7 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 8 ----- 1602. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 9 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 10 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 11 ----- 1601. 1600. 1600. 1600. 1600. 1600. 1600. 1611. 1600. 1600. 12 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 13 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 14 ----- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 15 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 16 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 17 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 18 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 19 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 20 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 21 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1619. 1600. 1600. 22 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1608. 1600. 1600. 23 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 24 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 25 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 26 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 27 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 28 --- 1600. 1600. 1601. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 29 --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 30 --- 1600. 1600. 1600. --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 31 ----- 1600. 1600. --- 1600. --- 1600. --- 1600. 1600. -------------------------------------------------------------------------------MEAN --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1606. 1600. 1600. MAX --- 1600. 1603. 1603. 1601. 1600. 1600. 1600. 1600. 1619. 1600. 1600. MIN --- 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. 1600. -----------------------------------------------------------------------------WTR YR 2008 MEAN 1600. MAX 1619. MIN 1600. See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 41 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Whitlow Ranch Dam STATION ID 6739 DRAINAGE AREA 143 MI2 IN-SERVICE DATE 08/02/2000 PERIOD OF AVAILABLE RECORD 08/02/2000 - CURRENT YEAR WY 2008 PEAK 30.94 FEET EXTREME FOR PERIOD OF RECORD 58.20 FEET Surface Water Streamflow Storage Volume Data 01/28/2008 02/12/2005 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.6 2 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 4 3.3 3.3 3.3 3.3 4.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 5 3.3 3.3 3.3 3.3 3.6 3.3 3.3 3.3 3.3 3.3 3.3 3.3 6 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 7 3.3 3.3 3.3 11.0 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 8 3.3 3.3 8.9 12.1 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 9 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 10 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 11 3.3 3.3 3.5 3.3 3.3 3.3 3.3 3.3 3.3 4.7 3.3 3.3 12 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 13 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 14 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 15 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 16 3.3 3.3 3.3 3.3 3.7 3.3 3.3 3.3 3.3 3.3 3.3 3.3 17 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 18 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 19 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 20 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 21 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 22 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 23 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 24 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 25 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 26 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 27 3.3 3.3 3.3 3.8 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 28 3.3 3.3 3.3 28.5 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 29 3.3 3.3 3.3 22.7 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 30 3.3 3.3 3.3 5.3 --3.3 3.3 3.3 3.3 3.3 3.3 3.3 31 3.3 --3.3 3.3 --3.3 --3.3 --3.3 3.3 -------------------------------------------------------------------------------MEAN 3.3 3.3 3.5 5.4 3.4 3.3 3.3 3.3 3.3 3.3 3.3 3.3 MAX 3.3 3.3 15.0 30.9 6.2 3.3 3.3 3.3 3.3 11.1 3.3 8.0 MIN 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 -----------------------------------------------------------------------------WTR YR 2008 MEAN 3.50 MAX 30.94 MIN 3.30 NOTE: Gage becomes disconnected from the USACOE gaging equipment on occasion. There may have been several impoundments behind the dam during the water year that may not have been recorded by FCDMC gaging equipment. For more information, refer to the U.S. Army Corps of Engineers, Los Angeles District. Pool Level Data Page 42 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #3 FRS STATION ID 6813 DRAINAGE AREA 9.3 MI2 IN-SERVICE DATE 11/23/1992 PERIOD OF AVAILABLE RECORD 05/18/1996 - CURRENT YEAR WY 2008 PEAK -3.90 FEET EXTREME FOR PERIOD OF RECORD -1.05 FEET Surface Water Streamflow Storage Volume Data 07/13/2008 09/04/1996 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 2 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 3 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 4 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 5 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 6 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 7 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 8 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 9 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 10 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 11 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 12 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 13 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 14 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 15 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 16 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 17 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 18 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 19 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 20 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 21 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 22 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 23 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 24 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 25 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 26 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 27 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 28 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 29 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 30 -4.1 -4.1 -4.1 -4.1 --- -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 31 -4.1 --- -4.1 -4.1 --- -4.1 --- -4.1 --- -4.1 -4.1 -------------------------------------------------------------------------------MEAN -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 MAX -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -3.9 -4.1 -4.1 MIN -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -4.1 -----------------------------------------------------------------------------WTR YR 2008 MEAN -4.08 MAX -3.90 MIN -4.08 Note: Instrument is 4.08 feet below zero gage datum at invert of principal outlet, which is located in a depressed drop box type inlet structure. Gage datum of 0.00 feet is taken to be the point at the top of the drop box which is level with the ground at the inlet structure. See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 43 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System White Tanks #4 FRS STATION ID 6823 DRAINAGE AREA 18.6 MI2 IN-SERVICE DATE 01/09/1986 PERIOD OF AVAILABLE RECORD 10/01/1987 - CURRENT YEAR WY 2008 PEAK NONE EXTREME FOR PERIOD OF RECORD 0.75 FEET Surface Water Streamflow Storage Volume Data NONE 08/15/1990 Depth, in feet, Water Year October 2004 to September 2005 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9 --0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 12 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 28 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 29 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 30 0.0 0.0 0.0 0.0 --0.0 0.0 0.0 0.0 0.0 0.0 0.0 31 0.0 --0.0 0.0 --0.0 --0.0 --0.0 0.0 -------------------------------------------------------------------------------MEAN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MAX 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MIN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.00 MAX 0.00 MIN 0.00 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 44 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Casandro Dam STATION ID 7133 DRAINAGE AREA 1.3 MI2 IN-SERVICE DATE 08/15/1996 PERIOD OF AVAILABLE RECORD 08/15/1996 - CURRENT YEAR WY 2008 PEAK 2.34 FEET EXTREME FOR PERIOD OF RECORD 11.30 FEET Surface Water Streamflow Storage Volume Data 08/25/2008 09/26/1997 Depth, in feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 8 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 11 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 12 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 27 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 28 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 29 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 30 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 MAX 0.2 1.9 2.1 0.2 0.8 0.2 0.2 0.2 0.2 0.2 2.3 0.2 MIN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0.19 MAX 2.34 MIN 0.19 See also Surface Water Streamflow and Storage Volume data. Pool Level Data Page 45 FCDMC Annual Surface Water Report Water Year 2008 Page Intentionally Blank Pool Level Data Page 46 FCDMC Annual Surface Water Report Water Year 2008 STORAGE VOLUME DATA Flood Control District of Maricopa County ALERT System Tat Momolikot Dam STATION ID 0773* DRAINAGE AREA 1,780 MI2 IN-SERVICE DATE 01/24/2000 PERIOD OF AVAILABLE RECORD 01/24/2000 - CURRENT YEAR SPILLWAY CAPACITY 198,545 ACRE-FEET WY 2008 PEAK 1,188 AC-FT 6.06 FEET 07/15/2008 EXTREME FOR PERIOD OF RECORD 2,908 AC-FT 11.14 FEET 09/09/2006 Surface Water Streamflow Pool Level Data Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 12 12 23 12 12 12 12 12 12 12 583 777 2 12 12 138 12 12 12 12 12 12 12 641 770 3 12 12 12 12 12 12 12 12 12 12 629 719 4 12 12 12 12 12 12 12 12 12 12 618 688 5 12 12 12 12 12 12 12 12 12 12 572 671 6 12 12 12 12 12 12 12 12 12 12 556 632 7 12 12 12 12 12 12 12 12 12 12 529 611 8 12 12 12 12 12 12 12 12 12 12 529 602 9 12 12 12 12 12 12 12 12 12 12 496 618 10 12 12 12 12 12 12 12 12 12 12 579 599 11 12 12 12 12 12 12 12 12 12 12 627 596 12 12 12 12 12 12 12 12 12 12 30 606 577 13 12 12 12 12 12 12 12 12 12 594 593 562 14 12 12 12 12 12 12 12 12 12 1119 587 537 15 12 12 12 12 12 12 12 12 12 1127 654 520 16 12 12 12 12 12 12 12 12 12 1051 822 493 17 12 12 12 12 12 12 12 12 12 982 802 493 18 12 12 12 12 12 12 12 12 12 934 772 480 19 12 12 12 12 12 12 12 12 12 903 729 453 20 12 12 12 12 12 12 12 12 12 934 684 435 21 12 12 12 12 12 12 12 12 12 957 657 419 22 12 12 12 12 12 12 12 12 12 910 629 412 23 12 12 12 12 12 12 12 132 12 873 608 412 24 12 12 12 12 12 12 12 145 12 827 587 381 25 12 12 12 12 12 12 12 90 12 799 598 371 26 12 12 12 12 12 12 12 54 12 783 659 363 27 12 12 12 12 12 12 12 12 12 840 713 356 28 12 12 12 12 12 12 12 12 12 815 741 339 29 12 12 12 12 12 12 12 12 12 783 777 328 30 12 12 12 12 --12 12 12 12 744 765 325 31 12 --12 12 --12 --12 --701 767 -------------------------------------------------------------------------------MEAN 12 12 17 12 12 12 13 24 12 543 649 518 MAX 12 12 240 12 12 12 12 199 12 1188 859 797 MIN 12 12 12 12 12 12 12 12 12 12 302 282 -----------------------------------------------------------------------------WTR YR 2008 MEAN 154 MAX 1188 MIN 12 *Gage ID was 0769 prior to January 24, 2000. **FCD Operated gage since January 1998. However, previous gage did not work properly. A pressure transducer gage was installed January 24, 2000 and all previous data were deleted. Previously, the US Army Corps of Engineers, Los Angeles District maintained a gage at this location. See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 1 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Spookhill FRS STATION ID 4562 DRAINAGE AREA 13.6 MI2 IN-SERVICE DATE 03/13/1984 PERIOD OF AVAILABLE RECORD 12/30/1987 - CURRENT YEAR SPILLWAY CAPACITY 1,391 ACRE-FEET WY 2008 PEAK 210 AC-FT 8.90 FEET EXTREME FOR PERIOD OF RECORD 60 AC-FT 6.26 FEET Surface Water Streamflow Pool Level Data 07/10/2008 10/27/2000 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --4 2 --3 3 ----2 4 ----1 5 ----6 ----7 ----8 1 ----9 1 ----10 ----24 11 ----191 2 12 ----145 13 ----123 14 ----108 15 ----94 16 ----81 17 ----65 18 ----53 19 ----41 20 ----27 21 ----17 22 ----33 23 --24 24 --16 25 --11 26 --10 27 --9 28 6 --7 29 4 --7 1 30 3 ----6 31 --1 --------5 -------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 35 0 0 MAX 0 0 1 7 0 0 0 0 0 210 4 4 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 3 MAX 210 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 2 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Laveen Basin STATION ID 4577 DRAINAGE AREA UNDETERMINED IN-SERVICE DATE 11/06/2006 PERIOD OF AVAILABLE RECORD 11/06/2006 - CURRENT YEAR SPILLWAY CAPACITY 59 ACRE-FEET WY 2008 PEAK 31.5 FEET 9.43 FEET 08/29/2008 EXTREME FOR PERIOD OF RECORD 3.6 AC-FT 2.75 FEET 03/23/2007 Surface Water Streamflow Pool Level Data Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 6 12 2 4 9 3 3 7 4 1 6 6 5 5 4 6 3 3 7 2 2 8 1 1 5 1 9 1 4 10 1 3 11 19 2 12 14 1 13 10 14 8 1 15 6 5 16 4 4 17 3 3 18 1 2 19 1 20 2 21 2 22 1 23 24 25 3 26 12 27 10 28 4 8 29 3 27 30 1 2 --20 31 --------15 -------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 3 4 2 MAX 0 5 7 4 0 0 0 0 0 22 31 13 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1 MAX 31 MIN 0 Storage Volume Data Page 3 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #1 STATION ID 4647 DRAINAGE AREA 1.18 MI2 IN-SERVICE DATE 03/02/1994 PERIOD OF AVAILABLE RECORD 03/02/1994 - CURRENT YEAR SPILLWAY CAPACITY 59 ACRE-FEET WY 2008 PEAK 3 AC-FT 1.68 FEET EXTREME FOR PERIOD OF RECORD 21 AC-FT 3.92 FEET Surface Water Streamflow Pool Level Data 07/10/2008 07/14/2002 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 2 2 0 0 0 0 0 0 3 2 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 3 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 4 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Tatum Basin Capacity STATION ID 4652 DRAINAGE AREA 2.17 MI2 IN-SERVICE DATE 05/08/1998 PERIOD OF AVAILABLE RECORD 05/08/1998 - CURRENT YEAR SPILLWAY CAPACITY 30.8 ACRE-FEET WY 2008 PEAK VOLUME 5.2 AC-FT 2.30 FEET EXTREME FOR PERIOD OF RECORD 25.0 AC-FT 9.93 FEET Surface Water Streamflow Pool Level Data 01/28/2008 08/02/2005 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 1 2 3 4 5 6 7 8 2 9 1 10 1 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 3 29 2 30 1 --31 --1 -------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 1 5 1 0 0 0 0 0 2 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 5 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 5 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #4 STATION ID 4657 DRAINAGE AREA 0.68 MI2 IN-SERVICE DATE 01/18/1994 PERIOD OF AVAILABLE RECORD 01/18/1994 - CURRENT YEAR SPILLWAY CAPACITY 74 ACRE-FEET WY 2008 PEAK 2 AC-FT 2.30 FEET EXTREME FOR PERIOD OF RECORD 8 AC-FT 3.65 FEET Surface Water Streamflow Pool Level Data 11/30/2007 07/14/1999 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 2 2 1 0 0 0 0 0 1 1 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 2 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 6 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System EFCC Basin #3 STATION ID 4682 DRAINAGE AREA 3.52 MI2 IN-SERVICE DATE 09/13/1994 PERIOD OF AVAILABLE RECORD 09/13/1994 - CURRENT YEAR SPILLWAY CAPACITY 175 ACRE-FEET WY 2008 PEAK 0.1 AC-FT 0.45 FEET EXTREME FOR PERIOD OF RECORD 57.1 AC-FT 4.22 FEET Surface Water Streamflow Pool Level Data 08/25/2008 09/07/2006 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 7 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Dreamy Draw Dam STATION ID 4802 DRAINAGE AREA 1.5 MI2 IN-SERVICE DATE 01/24/1984 PERIOD OF AVAILABLE RECORD 08/29/1988 - CURRENT YEAR REVISED RECORDS WY1996:WY1995 SPILLWAY CAPCITY 299 ACRE-FEET WY 2008 PEAK <1 AC-FT 6.47 FEET EXTREME FOR PERIOD OF RECORD 38 AC-FT 19.17 FEET Surface Water Streamflow Pool Level Data 08/14/2008 10/06/1993 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. Gage failed to record peak impound of 7 acre-feet on August 24, 2006. Storage Volume Data Page 8 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System 10th Street Wash Basin #1 STATION ID 4817 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 11/26/1996 PERIOD OF AVAILABLE RECORD 11/26/1996 - CURRENT YEAR SPILLWAY CAPACITY 21.6 ACRE-FEET WY 2008 PEAK 1.5 AC-FT 2.25 FEET EXTREME FOR PERIOD OF RECORD 3.3 AC-FT 3.33 FEET Surface Water Streamflow Pool Level Data 07/10/2008 07/14/2002 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 1 1 0 0 0 0 0 0 2 1 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 2 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 9 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix Basin #3 STATION ID 4827 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 12/18/2001 PERIOD OF AVAILABLE RECORD 12/18/2001 - CURRENT YEAR SPILLWAY CAPACITY 60.2 ACRE-FEET WY 2008 PEAK 2.5 AC-FT 6.15 FEET EXTREME FOR PERIOD OF RECORD 7.0 AC-FT 10.36 FEET Surface Water Streamflow Pool Level Data 07/10/2008 07/14/2002 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 1 1 1 0 0 0 0 0 3 2 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 3 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 10 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix East Park Dam STATION ID 4847 DRAINAGE AREA 0.11 MI2 IN-SERVICE DATE 11/28/2001 PERIOD OF AVAILABLE RECORD 11/28/2001 - CURRENT YEAR SPILLWAY CAPACITY 23.4 ACRE-FEET WY 2008 PEAK 0.9 AC-FT 2.42 FEET EXTREME FOR PERIOD OF RECORD 1.7 AC-FT 4.84 FEET Surface Water Streamflow Pool Level Data 07/10/2008 07/14/2002 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 1 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 1 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 11 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix Basin #7 STATION ID 4852 DRAINAGE AREA 1.2 MI2 IN-SERVICE DATE 12/19/2001 PERIOD OF AVAILABLE RECORD 12/19/2001 - CURRENT YEAR SPILLWAY CAPACITY 103.5 ACRE-FEET WY 2008 PEAK 1.7 AC-FT 5.05 FEET EXTREME FOR PERIOD OF RECORD 20.8 AC-FT 12.11 FEET Surface Water Streamflow Pool Level Data 07/10/2008 07/14/2002 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 1 0 0 0 0 0 2 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 2 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 12 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Phoenix West Park Dam STATION ID 4857 DRAINAGE AREA 0.68 MI2 IN-SERVICE DATE 11/29/2001 PERIOD OF AVAILABLE RECORD 11/29/2001 - CURRENT YEAR SPILLWAY CAPACITY 113 ACRE-FEET WY 2008 PEAK 7 AC-FT 4.70 FEET EXTREME FOR PERIOD OF RECORD 18.4 AC-FT 10.73 FEET Surface Water Streamflow Pool Level Data 07/10/2008 07/14/2002 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 7 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 7 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 13 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Cave Buttes Dam STATION ID 4902 DRAINAGE AREA 191 MI2 IN-SERVICE DATE 01/25/1984 PERIOD OF AVAILABLE RECORD 10/01/1987 - CURRENT YEAR SPILLWAY CAPACITY 46,100 ACRE-FEET WY 2008 PEAK 4,898 AF 52.29 FEET EXTREME FOR PERIOD OF RECORD 17,592 AF 75.89 FEET Surface Water Streamflow Pool Level Data 02/01/2008 01/11/1993 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 851 2733 1 2 2252 2107 3 2736 1576 4 1576 1084 5 1278 612 6 423 31 7 167 48 9 8 654 87 6 9 632 13 3 10 325 8 1 11 329 7 2 12 67 6 13 6 14 7 15 6 16 7 17 7 18 7 19 7 20 7 21 7 22 7 23 7 --24 7 --25 8 --26 6 54 27 78 28 1075 29 3196 30 42 4090 --31 --3359 -------------------------------------------------------------------------------------MEAN 0 1 364 389 281 0 0 0 0 0 2 0 MAX 0 602 2996 4247 4898 0 0 0 0 8 140 8 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 86 MAX 4898 MIN 0 See also Surface Water Streamflow (4903) and Pool Level (4899) data. Storage Volume Data Page 14 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Reata Pass Dam STATION ID 14938 DRAINAGE AREA 1.0 MI2 IN-SERVICE DATE 10/02/2001 PERIOD OF AVAILABLE RECORD 10/02/2001 - CURRENT YEAR SPILLWAY CAPACITY UNDETERMINED WY 2008 PEAK 4.47 FEET EXTREME FOR PERIOD OF RECORD 5.40 FEET Surface Water Streamflow Pool Level Data 01/28/2008 09/09/2006 NOTE: Volumetric Capacities unavailable at this time for Reata Pass Dam. Storage Volume Data Page 15 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Saddleback FRS STATION ID 5112 DRAINAGE AREA 29.6 MI2 IN-SERVICE DATE 12/16/1988 PERIOD OF AVAILABLE RECORD 12/16/1988 - CURRENT YEAR SPILLWAY CAPACITY 6,743 ACRE-FEET WY 2008 PEAK 48 AC-FT 0.60 FEET EXTREME FOR PERIOD OF RECORD 102 AC-FT 2.50 FEET Surface Water Streamflow Pool Level Data 08/25/2008 07/15/1996 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 11 1 12 13 14 15 16 17 18 19 20 21 22 23 24 25 3 26 3 27 28 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 201 0 0 0 0 0 48 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 201 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 16 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Harquahala FRS STATION ID 5127 DRAINAGE AREA 102.3 MI2 IN-SERVICE DATE 03/01/1994 PERIOD OF AVAILABLE RECORD 03/01/1994 - CURRENT YEAR SPILLWAY CAPACITY 8,689 ACRE-FEET WY 2008 PEAK 12 AC-FT 12.05 FEET 07/10/2008 EXTREME FOR PERIOD OF RECORD 492 AC-FT 21.47 FEET 10/27/2000 Surface Water Streamflow Pool Level Data Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 2 11 8 12 5 13 3 14 2 15 1 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 0 0 0 0 0 0 0 12 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 12 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 17 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #1 FRS STATION ID 5202 DRAINAGE AREA 74 MI2 IN-SERVICE DATE 07/26/1983 PERIOD OF AVAILABLE RECORD 11/23/1987 - CURRENT YEAR SPILLWAY CAPACITY 8,105 ACRE-FEET WY 2008 PEAK 0 AC-FT NONE EXTREME FOR PERIOD OF RECORD 595 AC-FT 4.96 FEET Surface Water Streamflow Pool Level Data NONE 02/14/2003 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 18 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #2 FRS STATION ID 5207 DRAINAGE AREA 5.7 MI2 IN-SERVICE DATE 11/11/1992 PERIOD OF AVAILABLE RECORD 11/11/1992 - CURRENT YEAR SPILLWAY CAPACITY 824 ACRE-FEET WY 2008 PEAK 0 AC-FT NONE EXTREME FOR PERIOD OF RECORD 77 AC-FT 4.66 FEET Surface Water Streamflow Pool Level Data NONE 02/14/2003 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 19 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sunset FRS STATION ID 5232 DRAINAGE AREA 0.95 MI2 IN-SERVICE DATE 02/12/1989 PERIOD OF AVAILABLE RECORD 02/12/1989 - CURRENT YEAR SPILLWAY CAPACITY 86 ACRE-FEET WY 2008 PEAK 5 AC-FT 5.13 FEET EXTREME FOR PERIOD OF RECORD 34 AC-FT 12.27 FEET Surface Water Streamflow Pool Level Data 11/30/2007 09/26/1997 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 5 1 2 3 1 3 1 1 4 1 1 5 1 1 6 1 1 7 1 8 1 1 9 1 10 1 11 1 12 13 14 1 15 1 16 17 18 19 20 21 22 23 24 1 25 1 26 3 27 1 1 28 1 1 29 1 1 30 1 --1 31 --------1 -------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 5 5 1 1 0 0 1 0 1 3 1 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 5 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 20 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sunnycove FRS STATION ID 5247 DRAINAGE AREA 1.35 MI2 IN-SERVICE DATE 07/01/1986 PERIOD OF AVAILABLE RECORD 12/16/1988 - CURRENT YEAR REVISED RECORDS WY2000:WY1999 SPILLWAY CAPACITY 216 ACRE-FEET WY 2008 PEAK 1.9 AC-FT 9.72 FEET EXTREME FOR PERIOD OF RECORD 53 AC-FT 21.68 FEET Surface Water Streamflow Pool Level Data 12/01/2007 08/22/1992 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 7 2 1 1 2 6 2 1 3 6 2 1 4 6 2 1 5 6 1 1 6 6 2 1 7 6 1 8 --6 1 9 --6 1 10 5 1 11 5 1 12 5 1 13 5 1 14 5 1 15 4 1 16 3 1 17 3 1 18 3 1 19 3 1 20 3 1 21 3 1 22 2 1 23 2 1 24 2 1 25 2 1 26 2 1 1 27 2 1 1 28 2 1 1 29 2 1 1 30 2 1 --1 31 --2 1 ------1 -------------------------------------------------------------------------------MEAN 0 0 4 1 0 0 0 0 0 0 0 0 MAX 0 5 9 3 1 0 0 0 0 0 1 1 MIN 0 0 2 1 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 9 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 21 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System White Tanks #3 FRS STATION ID 5417 DRAINAGE AREA 20.5 MI2 IN-SERVICE DATE 03/12/1986 PERIOD OF AVAILABLE RECORD 01/01/1988 - CURRENT YEAR SPILLWAY CAPACITY 3,134 ACRE-FEET WY 2008 PEAK 0 AC-FT NONE EXTREME FOR PERIOD OF RECORD 249 AC-FT 2.60 FEET Surface Water Streamflow Pool Level Data NONE 01/11/1993 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 -------------------------------------------------------------------------------------------------MEAN ----------------0 0 0 0 MAX ----------------0 0 0 0 MIN ----------------0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. NOTE: Gage was removed for construction From October 1, 2007 through June 17, 2008. Storage Volume Data Page 22 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System McMicken Dam South STATION ID 5443 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD SPILLWAY CAPACITY WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 247 MI2 02/13/2002 02/13/2002 - CURRENT YEAR 20,700 ACRE-FEET 0 AC-FT 0.60 FEET NOT AVAIL. 1.30 FEET 01/28/2008 02/13/2003 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 51 20 21 22 23 24 25 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 2 0 0 0 0 0 0 0 0 MAX 0 0 0 4863 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 4863 MIN 0 See also Pool Level data. Storage Volume Data Page 23 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System McMicken Dam STATION ID 5447 DRAINAGE AREA 247 MI2 IN-SERVICE DATE 03/20/1983 PERIOD OF AVAILABLE RECORD 02/18/1988 - CURRENT YEAR SPILLWAY CAPACITY 20,700 ACRE-FEET WY 2008 PEAK 0 AC-FT NONE EXTREME FOR PERIOD OF RECORD 1,316 AC-FT 4.90 FEET Surface Water Streamflow Pool Level Data NONE 09/04/1990 Volume, in acre feet, Water Year October 2004 to September 2005 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 24 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Adobe Dam STATION ID 5537 DRAINAGE AREA 89.6 MI2 IN-SERVICE DATE 10/28/1982 PERIOD OF AVAILABLE RECORD 08/30/1988 - CURRENT YEAR SPILLWAY CAPACITY 18,776 ACRE-FEET WY 2008 PEAK 568 AC-FT 11.25 FEET EXTREME FOR PERIOD OF RECORD 1,033 AC-FT 14.45 FEET Surface Water Streamflow Pool Level Data 12/01/2007 08/16/1990 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --325 2 114 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 9 28 161 29 10 30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 14 6 0 0 0 0 0 0 0 0 MAX 0 0 568 265 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 2 MAX 568 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 25 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System New River Dam STATION ID 5612 DRAINAGE AREA 164 MI2 IN-SERVICE DATE 04/15/1986 PERIOD OF AVAILABLE RECORD 08/30/1988 - CURRENT YEAR SPILLWAY CAPACITY 43,700 ACRE-FEET WY 2008 PEAK 3,050 AF 23.04 FEET EXTREME FOR PERIOD OF RECORD 14,670 AF 44.37 FEET Surface Water Streamflow Pool Level Data 01/28/2008 01/08/1993 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 118 4 3 5 6 7 46 8 329 225 9 245 50 10 50 11 83 12 17 13 14 15 16 17 18 19 20 21 22 23 24 --25 26 27 158 28 2546 29 1285 30 388 --68 31 --154 -------------------------------------------------------------------------------------MEAN 0 0 27 157 0 0 0 0 0 0 0 2 MAX 0 0 397 3050 0 0 0 0 0 0 0 120 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 16 MAX 3050 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 26 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Stoneridge Dam STATION ID 5967 DRAINAGE AREA 0.86 MI2 IN-SERVICE DATE 12/11/1996 PERIOD OF AVAILABLE RECORD 12/11/1996 - CURRENT YEAR SPILLWAY CAPACITY 66.2 ACRE-FEET WY 2008 PEAK 0.7 AC-FT 4.87 FEET EXTREME FOR PERIOD OF RECORD 2.1 AC-FT 7.15 FEET Surface Water Streamflow Pool Level Data 08/28/2008 08/31/1999 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 1 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 1 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 27 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Sun Ridge Canyon Dam STATION ID 5972 DRAINAGE AREA 1.60 MI2 IN-SERVICE DATE 02/04/1997 PERIOD OF AVAILABLE RECORD 02/04/1997 - CURRENT YEAR SPILLWAY CAPACITY 94 ACRE-FEET WY 2008 PEAK 0.1 AC-FT 5.06 FEET EXTREME FOR PERIOD OF RECORD 0.2 AC-FT 7.68 FEET Surface Water Streamflow Pool Level Data 08/28/2008 10/26/1998 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 28 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Golden Eagle Park Dam STATION ID 5977 DRAINAGE AREA 7.13 MI2 IN-SERVICE DATE 12/12/1996 PERIOD OF AVAILABLE RECORD 12/12/1996 - CURRENT YEAR SPILLWAY CAPACITY 98 ACRE-FEET WY 2008 PEAK 11.7 AC-FT 11.58 FEET EXTREME FOR PERIOD OF RECORD 15 AC-FT 12.02 FEET Surface Water Streamflow Pool Level Data 08/28/2008 08/02/2005 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 1 27 28 1 29 1 30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 5 2 0 0 0 0 0 0 12 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 12 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 29 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System North Heights Dam STATION ID 5982 DRAINAGE AREA 2.13 MI2 IN-SERVICE DATE 10/11/1996 PERIOD OF AVAILABLE RECORD 10/11/1996 - CURRENT YEAR SPILLWAY CAPACITY 138 ACRE-FEET WY 2008 PEAK 7.1 AC-FT 11.40 FEET EXTREME FOR PERIOD OF RECORD 16 AC-FT 14.82 FEET Surface Water Streamflow Pool Level Data 08/28/2008 09/10/2002 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 1 0 0 0 0 0 0 0 7 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 7 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 30 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Aspen Dam STATION ID 5987 DRAINAGE AREA 2.02 MI2 IN-SERVICE DATE 01/02/1997 PERIOD OF AVAILABLE RECORD 01/02/1997 - CURRENT YEAR SPILLWAY CAPACITY 183 ACRE-FEET WY 2008 PEAK 4.0 AC-FT 4.24 FEET EXTREME FOR PERIOD OF RECORD 8.8 AC-FT 5.84 FEET Surface Water Streamflow Pool Level Data 08/29/2008 03/05/2004 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 1 0 0 0 0 0 0 4 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 4 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 31 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Hesperus Dam STATION ID 5992 DRAINAGE AREA 2.91 MI2 IN-SERVICE DATE 12/18/1996 PERIOD OF AVAILABLE RECORD 12/18/1996 - CURRENT YEAR SPILLWAY CAPACITY 276 ACRE-FEET WY 2008 PEAK 0.3 AC-FT 4.88 FEET EXTREME FOR PERIOD OF RECORD 2.6 AC-FT 8.93 FEET Surface Water Streamflow Pool Level Data 08/28/2008 09/10/2002 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 32 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Guadalupe FRS STATION ID 6502 DRAINAGE AREA 1.87 MI2 IN-SERVICE DATE 06/29/1989 PERIOD OF AVAILABLE RECORD 06/29/1989 - CURRENT YEAR SPILLWAY CAPACITY 329 ACRE-FEET WY 2008 PEAK 36 AC-FT 9.41 FEET EXTREME FOR PERIOD OF RECORD 36 AC-FT 9.41 FEET Surface Water Streamflow Pool Level Data 07/13/2008 07/13/2008 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --2 --3 --4 --5 --6 --7 --8 --9 --10 --11 --12 --13 --11 14 --27 15 --2 16 --2 17 --18 --19 --20 --21 --22 --23 --24 --25 --26 27 28 29 --30 ----31 -----------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 0 0 0 0 0 0 0 36 3 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 36 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 33 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Freestone Basin STATION ID 6608 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD SPILLWAY CAPCITY WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Storage Volume Data DRAINAGE AREA 2.2 MI2 12/19/1995 12/19/1995 - CURRENT YEAR 218 ACRE-FEET 17.7 AC-FT 8.76 FEET 56 AC-FT 13.38 FEET 01/28/2008 07/26/2006 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 14 2 10 1 1 3 1 1 4 1 1 2 1 1 1 5 1 3 1 1 6 1 1 1 7 1 5 2 1 8 13 6 1 8 9 15 1 1 1 3 10 10 1 1 1 1 11 3 1 1 8 12 3 1 1 13 1 3 1 14 1 1 1 1 1 15 2 1 16 3 1 1 1 17 1 1 1 1 18 1 1 1 1 19 1 1 20 1 1 1 21 1 1 1 1 1 22 1 1 1 1 23 1 1 1 24 1 --1 25 1 --1 1 26 2 1 --1 2 1 27 1 5 1 1 28 1 14 1 1 1 29 1 1 1 4 30 3 --1 31 ------1 ---------------------------------------------------------------------------------MEAN 0 0 3 1 1 1 0 1 0 1 1 0 MAX 1 12 15 18 6 1 1 1 2 12 10 1 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1 MAX 18 MIN 0 See also Pool Level data. Many days of storage from irrigation tailwater. The gage is located inside a pump housing that, when stage reaches a certain level, pumps water from the gage house and basin. The daily stage values fluctuate substantially. Gage Heights above 10.0 feet are generally caused by storm events. Storage Volume Data Page 34 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Crossroads Park STATION ID 6623 IN-SERVICE DATE PERIOD OF AVAILABLE RECORD SPILLWAY CAPACITY WY 2008 PEAK EXTREME FOR PERIOD OF RECORD Pool Level Data DRAINAGE AREA 15.7 MI2 12/18/1995 12/18/1995 - CURRENT YEAR 456 ACRE-FEET 17.5 AC-FT 2.36 FEET 22.6 AC-FT 2.90 FEET 07/18/2008 03/17/2006 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 14 2 13 3 5 4 5 6 7 11 8 11 14 9 6 14 10 12 11 9 12 13 9 14 11 15 12 16 8 17 13 18 17 19 17 20 15 21 13 22 6 23 24 --25 --26 --27 4 28 29 30 1 --31 ---------------------------------------------------------------------------------------MEAN 0 0 2 0 0 0 0 0 0 4 2 0 MAX 0 11 15 0 0 0 0 0 0 18 15 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1 MAX 18 MIN 0 See also Pool Level data. Station down from October 12 – December 29, 2005. Storage Volume Data Page 35 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Signal Butte FRS STATION ID 6627 DRAINAGE AREA 16.4 MI2 IN-SERVICE DATE 11/10/1987 PERIOD OF AVAILABLE RECORD 11/10/1987 - CURRENT YEAR SPILLWAY CAPACITY 1,665 ACRE-FEET WY 2008 PEAK 69 AC-FT 7.15 FEET EXTREME FOR PERIOD OF RECORD 166 AC-FT 13.30 FEET Surface Water Streamflow Pool Level Data 12/08/2007 01/11/1993 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 19 7 9 2 16 5 7 3 12 4 4 4 8 3 2 5 6 4 1 6 4 1 7 3 3 8 40 7 9 65 6 --10 51 2 11 36 6 12 28 9 13 21 3 14 17 2 15 13 2 3 16 10 1 2 17 7 1 1 18 3 1 1 19 20 21 22 23 24 25 26 27 1 14 28 20 26 29 18 20 30 13 --15 31 --9 ------11 -------------------------------------------------------------------------------MEAN 0 0 12 3 1 0 0 0 0 1 3 1 MAX 0 3 69 23 8 0 0 0 0 9 30 10 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 2 MAX 69 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 36 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Apache Junction FRS STATION ID 6672 DRAINAGE AREA 5.8 MI2 IN-SERVICE DATE 12/16/1981 PERIOD OF AVAILABLE RECORD 09/15/1988 - CURRENT YEAR SPILLWAY CAPACITY 676 ACRE-FEET WY 2008 PEAK 30 AC-FT 5.88 FEET EXTREME FOR PERIOD OF RECORD 30 AC-FT 5.88 FEET Surface Water Streamflow Pool Level Data 12/08/2007 12/08/2007 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 2 3 4 5 6 7 8 14 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 3 28 29 30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 1 30 1 0 0 0 0 0 0 8 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 30 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 37 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Powerline FRS STATION ID 6682 DRAINAGE AREA 49.9 MI2 IN-SERVICE DATE 12/02/1992 PERIOD OF AVAILABLE RECORD 12/02/1992 - CURRENT YEAR SPILLWAY CAPACITY 4,064 ACRE-FEET WY 2008 PEAK 449 AC-FT 4.90 FEET EXTREME FOR PERIOD OF RECORD 952 AC-FT 11.00 FEET Surface Water Streamflow Pool Level Data 12/08/2007 01/11/1993 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 256 2 208 3 119 4 64 66 5 7 79 6 33 7 62 8 292 127 9 274 83 10 163 36 11 159 12 107 13 60 14 7 15 16 17 18 19 20 21 22 23 24 25 26 27 17 60 28 172 64 29 117 31 30 10 76 --39 31 --30 -------------------------------------------------------------------------------------MEAN 0 0 55 23 6 0 0 0 0 0 6 0 MAX 0 33 449 198 98 0 0 0 0 0 117 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 8 MAX 449 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 38 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Vineyard FRS STATION ID 6687 DRAINAGE AREA 57.8 MI2 IN-SERVICE DATE 11/02/1983 PERIOD OF AVAILABLE RECORD 11/09/1987 - CURRENT YEAR SPILLWAY CAPACITY 3,531 ACRE-FEET WY 2008 PEAK 242 AC-FT 3.03 FEET EXTREME FOR PERIOD OF RECORD 897 AC-FT 5.90 FEET Surface Water Streamflow Pool Level Data 12/01/2007 11/16/1993 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 189 20 5 2 200 16 3 117 14 4 65 33 5 43 52 6 28 46 7 20 13 36 8 121 26 27 9 154 19 20 10 131 16 17 2 11 175 6 14 18 29 12 163 6 19 19 13 97 --42 14 14 59 54 5 15 39 39 16 25 24 17 16 17 18 10 8 19 2 4 20 21 22 23 24 25 26 27 3 30 28 70 31 29 49 30 30 12 38 --21 31 --26 ------16 -------------------------------------------------------------------------------MEAN 0 0 53 9 10 0 0 0 0 7 4 2 MAX 0 66 242 86 57 0 0 0 0 58 51 39 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 7 MAX 242 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 39 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Rittenhouse FRS STATION ID 6702 DRAINAGE AREA 51.3 MI2 IN-SERVICE DATE 09/27/1988 PERIOD OF AVAILABLE RECORD 09/27/1988 - CURRENT YEAR SPILLWAY CAPACITY 3,475 ACRE-FEET WY 2008 PEAK 396 AC-FT 10.06 FEET EXTREME FOR PERIOD OF RECORD 919 AC-FT 12.58 FEET Surface Water Streamflow Pool Level Data 07/11/2008 02/12/2005 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 29 2 3 4 5 6 7 8 22 9 7 10 11 2 262 12 143 13 15 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 17 29 30 1 --31 ---------------------------------------------------------------------------------------MEAN 0 0 2 1 0 0 0 0 0 14 0 0 MAX 0 5 54 30 1 0 0 0 0 396 0 1 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 1 MAX 396 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 40 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Magma FRS STATION ID 6713 DRAINAGE AREA UNDETERMINED IN-SERVICE DATE 11/15/2007 PERIOD OF AVAILABLE RECORD 11/15/2007 - CURRENT YEAR SPILLWAY CAPACITY WY 2008 PEAK 2,460 AC-FT 1618.74 FT 07/11/2008 EXTREME FOR PERIOD OF RECORD 2,460 AC-FT 1618.74 FT 07/11/2008 Surface Water Streamflow Pool Level Data Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ----2 ----3 ----4 ----5 ----6 ----7 ----8 ----9 ----10 ----11 ----197 12 ----1566 13 ----2604 14 ----2604 15 --2604 16 --2604 17 --2604 18 --2604 19 --2604 20 --2604 21 --2604 22 --1823 23 --24 --25 --26 --27 --28 --3 29 --30 ----31 -----------------------------------------------------------------------------------------MEAN ----- -379 0 0 0 0 0 0 872 0 0 MAX ----3 7 0 0 0 0 0 6436 0 0 MIN ----0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 42 MAX 6436 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 41 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Whitlow Ranch Dam STATION ID 6742 DRAINAGE AREA 143 MI2 IN-SERVICE DATE 08/02/2000 PERIOD OF AVAILABLE RECORD 08/02/2000 - CURRENT YEAR SPILLWAY CAPACITY 35,593 ACRE-FEET WY 2008 PEAK 1,100 AC-FT 30.94 FEET EXTREME FOR PERIOD OF RECORD 6,965 AC-FT 58.20 FEET Surface Water Streamflow Pool Level Data 01/28/2008 02/12/2005 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 125 8 16 95 9 10 11 2 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 1 28 883 29 413 30 6 --31 ---------------------------------------------------------------------------------------MEAN 0 0 1 49 0 0 0 0 0 0 0 0 MAX 0 0 57 1102 1 0 0 0 0 13 0 1 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 5 MAX 1102 MIN 0 NOTE: Tie-in to Corps of Engineers gaging equipment was set up in August 2000. FCD gage was in operation since January 8, 1998. All FCD data prior to August 2000 has been deleted because it is believed that the gage did not operate correctly during that period. See U.S. Army Corps of Engineers, Los Angeles District for official information at this gage site. See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 42 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Buckeye #3 FRS STATION ID 6812 DRAINAGE AREA 9.3 MI2 IN-SERVICE DATE 11/23/1992 PERIOD OF AVAILABLE RECORD 05/18/1996 - CURRENT YEAR SPILLWAY CAPACITY 1,286 ACRE-FEET WY 2008 PEAK 0 AC-FT -3.90 FEET EXTREME FOR PERIOD OF RECORD 0 AC-FT -1.05 FEET Surface Water Streamflow Pool Level Data 07/13/2008 09/04/1996 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 0 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 43 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System White Tanks #4 FRS STATION ID 6822 DRAINAGE AREA 18.6 MI2 IN-SERVICE DATE 01/09/1986 PERIOD OF AVAILABLE RECORD 10/01/1987 - CURRENT YEAR SPILLWAY CAPACITY 1,243 ACRE-FEET WY 2008 PEAK 0 AC-FT NONE EXTREME FOR PERIOD OF RECORD 644 AC-FT 0.75 FEET Surface Water Streamflow Pool Level Data NONE 08/15/1990 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------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 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 582 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 582 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 44 FCDMC Annual Surface Water Report Water Year 2008 Flood Control District of Maricopa County ALERT System Casandro Dam STATION ID 7132 DRAINAGE AREA 1.3 MI2 IN-SERVICE DATE 08/15/1996 PERIOD OF AVAILABLE RECORD 08/15/1996 - CURRENT YEAR SPILLWAY CAPACITY 143 ACRE-FEET WY 2008 PEAK 6.7 AC-FT 2.34 FEET EXTREME FOR PERIOD OF RECORD 65.0 AC-FT 11.30 FEET Surface Water Streamflow Pool Level Data 08/25/2008 09/26/1997 Volume, in acre-feet, Water Year October 2007 to September 2008 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 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 1 26 27 28 29 30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 5 6 0 2 0 0 0 0 0 7 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2008 MEAN 0 MAX 7 MIN 0 See also Surface Water Streamflow and Pool Level data. Storage Volume Data Page 45 FCDMC Annual Surface Water Report Water Year 2008 Page Intentionally Blank Storage Volume Data Page 46 FCDMC Annual Surface Water Report Water Year 2008