HYDROLOGIC DATA REPORT VOLUME II - SURFACE WATER AND STREAMFLOW DATA WATER YEAR 2017 Salt River near Granite Reef Diversion (photo date: February 8, 2017) 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, Yuma, and La Paz Counties. This is the 24th annual water data report published by the District. Annual reports are available for Water Years 1994 – 2017. The surface water data contained in this report were collected, compiled and edited by the Flood Warning Branch of the Flood Control District. 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. Additional graphics are provided for the user to help put the data in context with historic records at the gage. Flood flow frequency data are computed for stations with sufficient record (> 11 years of non-zero flow.) Disclaimers: 1. Flood flow frequency graphics, whether computed in-house or cited from FEMA floodplain studies, are provided for informational purposes only and should not be considered for regulatory purposes. 2. 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. 3. Mention of any products, companies, or specific brand names in this report does not constitute endorsement of those companies or products. Revisions to any of these data for any reason will be published in the following years’ reports in an appendix to the report. Copies of this report may be purchased from: Flood Control District of Maricopa County 2801 W. Durango Street Phoenix, Arizona 85009 (602) 506-8701 Or downloaded from: https://www.maricopa.gov/759/Publications ii TABLE OF CONTENTS Preface …………………………………………………………………………………….. ii Introduction ……………………………………………..……………………………… iv Data Collection ……………………………………………………………………….. v Definition of Terms …………………………………………………………………. ix – xii Station Location Map ………………………………………………………………. xiii New Installations in Water Year 2017 …………………………………….. xiv Station Table ………………………………………………………………………….. xv – xix Summary of Significant Streamflow ……………………………………….. xx Station Data Pages …………………………………………………………………. 1 - 947 iii INTRODUCTION The Flood Control District of Maricopa County (FCDMC or District) collects a large amount of data pertaining to surface water runoff in and around Maricopa County. Stations report data to the main database at least 4 times daily, even if the data is zero (no flow.) During runoff events, data are transmitted to the database more frequently, as water levels rise and fall. Recently, the District has been changing the stations’ data transmit protocol from ALERT1 to ALERT2. During Water Year 2017, all streamflow stations have been upgraded to the new ALERT2 protocol. Ultimately, this change will result in greater data reliability and a decrease in data lost during busy rainfall and runoff events. The District makes its data available to the public in several useful ways. This annual report is but one manner. Additionally, current and raw/analyzed data are available in real-time from the District’s flood warning web site. Historic data are also available from at individual stream or dam/impoundment web pages. This report includes records on discharge at stream gages and at flood control storage structures. The count of sensors and stations is: Table 1: Station / Sensor Distribution Total Stations reported in this Report Total Sensors deployed Sensors on Streams Sensors on Impoundments Stage only sites Sites with multiple sensors Stations not included in report 204 214 139 75 3 3 1 Stream and impoundment gages are installed for various needs. For District owned channels, dams, and basins, ALERT gages are placed to monitor flow in channels, and impoundment behind dams to satisfy regulatory requirements. Additional stations are installed in response to local agency requests, current or future flood control project needs, public safety needs, and elsewhere as needed. iv DATA COLLECTION This is the 24th 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. Furthermore, remote sites did not send zero flow information and only transmitted during runoff events. Nevertheless, limited data are available prior to water year 1994 for stations that existed before October 1, 1993. Unfortunately, there is no available data for dates prior to October 1, 1987, even if the station existed prior to this date. The data are collected as a depth of flow in feet (aka stage). The discharge and/or volume is then obtained by applying the stage to a rating curve of stage versus discharge in cubic feet per second (cfs), or stage versus volume in acre-feet (ac-ft). The discharge rating curves have been developed at stream gages by using field surveyed cross sections for use in an HECRAS step-backwater computer model to obtain a range of stage versus discharge points to be plotted on a curve. These stepbackwater 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. A similar computation is done for storage facility volume. The minimum and maximum values are based on instantaneous discharge or volume readings and the volumes for discharge stations are based on accumulations of daily means. All data in this report have been reviewed and edited in an attempt to provide the most accurate data possible. A blank or blanks, represented with ---, 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). Revisions will be published in an appendix to the annual report. v Several streamflow gages are operated cooperatively between the FCDMC and the United States Geological Survey (USGS). There are several USGS coorperative sites that also house a District ALERT gage. Additionally, there are several continuous USGS gages that do not have a District ALERT gage at the USGS site. Also as part of the cooperative agreement, the USGS maintains a number of peak-only stations (noncontinuous) that only report an annual maximum. Tables 2 and 3 on the following pages show the USGS gages, along with any associated District gage as well. vi Table 2: USGS Continuous Stations, WY 2017 USGS Station Name USGS Station ID Indian Bend Wash at Curry Road nr Tempe 09512162 Location Lat/Long DD MM SS 33 26 25 / 111 54 52 FCD Gage No Salt River at Priest Drive nr Tempe 09512165 33 26 22 / 111 57 37 Yes, ID #4523 Cave Creek below Cottonwood Creek 09512280 33 53 14 / 111 57 12 Yes, ID #4923 New River near Rock Springs 09513780 33 58 27 / 112 05 54 No Skunk Creek near Phoenix 09513860 33 43 45 / 112 07 09 Yes, ID #5568 Gila River at Estrella Parkway nr Goodyear 09514100 33 23 15 / 112 23 30 Yes, ID #6853 Hassayampa River near Morristown 09516500 33 53 06 / 112 39 41 Yes, ID #5523 Hassayampa River near Arlington 09517000 33 20 50 / 112 43 30 No Centennial Wash at SPRR near Arlington 09517490 33 18 37 / 112 52 52 Yes, ID #5103 Table 3: USGS Annual Peak Stations, WY2017 USGS Station Name Vekol Wash at I-8 09488650 Location Lat/Long DD MM SS 32 50 30 / 112 15 04 Tortilla Creek at Tortilla Flat 09501300 33 31 38 / 111 23 13 No Camp Creek near Sunflower 09510170 33 45 35 / 111 29 44 No Rock Creek near Sunflower 09510180 33 43 49 / 111 30 28 No Indian Bend Wash at Shea Boulevard 09512090 33 35 05 / 111 58 10 Yes, ID #4693 Salt River Tributary in South Mountain Park 09512200 33 20 49 / 112 05 03 No Agua Fria River Tributary #2, near Rock Springs 09512700 34 02 00 / 112 08 42 No Deadman Wash near New River 09513820 33 50 30 / 112 08 40 No Waterman Wash near Buckeye 09514200 33 19 49 / 112 30 33 No Hartman Wash near Wickenburg 09515800 33 57 46 / 112 49 40 Yes, ID #7063 Ox Wash near Morristown 09516600 33 53 00 / 112 39 00 No Jackrabbit Wash near Tonopah 09516800 33 39 32 / 112 49 40 No Centennial Wash Tributary near Wenden 09517200 33 50 40 / 113 27 00 No Tiger Wash near Aguila 09517280 33 44 30 / 113 16 43 Yes, ID #5163 Winters Wash near Tonopah 09517400 33 29 22 / 112 55 05 No Rainbow Wash Tributary near Buckeye 09519600 33 14 35 / 112 38 15 No Bender Wash near Gila Bend 09519750 32 54 25 / 112 33 05 Yes, ID #6963 Sauceda Wash near Gila Bend 09519760 32 52 14 / 112 45 30 Yes, ID #6923 Military Wash near Sentinel 09520100 32 50 43 / 113 16 44 No Crater Range Wash near Ajo 09520230 32 33 44 / 112 52 37 No Star Wash near Tonopah 09516790 33 37 59 / 112 46 44 No None 33 28 08 / 112 58 10 Yes, ID #5108 Delaney Wash near Tonopah viii USGS Station ID FCD Gage Yes, ID #6983 DEFINITION OF TERMS Terms related to streamflow and other hydrologic data as used in this report are defined below: Table 4: Definitions Term Acre-foot (ac-ft or af) Definition 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. Basin A typically man-made structure that is partially or entirely below the normal grade of land where it lies. It is for detaining water for release to another structure such as a storm drain. CAP Central Arizona Project, as in the CAP canal. Cubic Feet per Second (cfs) The rate of discharge representing a volumne of 1 cubic foot passing a given point during a one-second interval, and is equivalent to approximately 7.48 gallons per second, 448.8 gallons per minute, or 0.02832 cubic meters per second. The average discharge in cfs for a 24 hour period from midnight to midnight the following day. Daily Mean Discharge Data Gaps in Period of Record Discharge (Q) Data gaps referred to here are typically due to construction activites that cause the gage and station to be removed and out of service for a period of time. There are times when the station is down due to internal or external failure (battery, transmitter, repeater), but the station remains ‘in the ground.’ These gaps are not accounted for in this report. The volume of water (or more broadly, total fluid plus suspended sediment), that passes a given point within a given period of time. ix Drainage Area (DA) The 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. 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. FRS Flood Retarding Structure, refers to dams originally constructed by the Soil Conservation Service (SCS), now known as the Natural Resources Conservation Service (NRCS). Gage (or gauge) Refers to a measuring device or sensor, such as a pressure transducer, or bubbler orifice, or a passive device, such as a staff gage, or crest-stage gage. Gage Datum 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. 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. Gage Height Gage Station or Station A particular site on a river, stream, canal, lake, or reservoir where systematic observations of hydrologic data are obtained. Mean Discharge (cfs) (MEAN) is the arithmetic mean of individual daily mean discharges during a specific period. x NGVD29 – (aka MSL) NAVD88 Peak Discharge (cfs) 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. 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. is the maximum instantaneous discharge for a given flood event. Period of Record (POR) 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 above the instrument. 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 2year flood. 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. Recurrence Interval Staff Gage xi Stage-Discharge Relationship is the relation between gage height (stage) and the volume of water, per unit of time, flowing in a channel or from a pipe or culvert. Stage-Storage Relationship 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. 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, 2015 and ending September 30, 2016, is called the "2016 Water Year." Water Year xii FCDMC STREAMFLOW AND IMPOUNDMENT GAGE LOCATIONS – WY 2017 Streamflow Station Impoundment / Storage Station xiii New Installations in Water Year 2017 There were 8 new streamgage stations established during Water Year 2017. Table 5: New Installations Station Prickly Pear Wash Siphon Draw Wash at Signal Butte Sonoqui Wash near Hawes Road University Dr at 62nd St Basin UPRR Underpass at Central Ave UPRR Underpass at First Ave Wagner Wash at Sun Valley Pkwy White Tank Outlet Channel ID Date Installed Requesting Agency 08107 37607 36307 34607 03107 03207 44707 87407 06/01/2017 12/22/2016 12/21/2016 12/23/2016 05/30/2017 05/30/2017 02/16/2017 12/07/2016 Phoenix Mesa Queen Creek Mesa Phoenix Phoenix FCDMC FCDMC Station Changes in Water Year 2017 1. White Tank FRS #4 previously had two pool gage IDs (#6822 and #6823.) Reconstruction of the dam and outlet has reduced the station to a single gage at the principal outlet (#6823.) 2. Santa Rosa Wash at SR84 (#0798) was permanently removed from service on May 9, 2017. xiv Gage Stations included in this report (click on page number to go to that page) NAME ID Page Arizona Canal Diversion Channel (ACDC) at 36h Street 4808 1 ACDC at 14th Street 4813 5 ACDC at 43rd Avenue 4823 9 th ACDC at 67 Avenue 5523 13 Adobe Dam Pool 5538 18 Adobe Dam Outlet 5539 23 Agua Fria River at Grand Avenue 5503 27 Agua Fria River at Buckeye Road (MC-85) 5403 31 Amigos Wash 6648 35 Antelope Creek 7168 39 Apache Junction FRS 6673 43 Aspen Dam 5988 49 Baseline Road at 43rd Avenue Basin 66407 55 Bender Wash 6963 61 Berneil Wash 4688 65 Box Wash 5273 69 Buckeye FRS #1 5203 73 Buckeye FRS #2 5208 79 Buckeye FRS #3 6813 85 Bullard Wash at Indian School Road 6868 91 Bullard Wash (near Gila River) 6863 95 th Camelback Road at 24 Avenue Basin 6807 99 CAP Reach #11 Dike #1 8407 105 CAP Reach #11 Dike #2 58607 111 CAP Reach #11 Dike #3 60107 117 CAP Reach #11 Dike #4 59807 123 Casandro Wash 7093 129 Casandro Dam 7133 133 Cave Buttes Dam Pool 4904 139 Cave Buttes Dam Outlet 4903 144 Cave Creek at Ashdale Ranger Station 4947 148 Cave Creek at Spur Cross 4923 152 Cave Creek (in town of Cave Creek) 4893 156 Cave Creek near Cave Creek 4918 160 Cave Creek at CAP 4907 164 Cave Creek at Cactus Road 4833 168 Centennial Wash near Aguila 5178 172 Centennial Wash at Wenden 5093 176 Centennial Levee 5123 180 Centennial Wash at UPRR 5103 184 Centennial Tributary at Dobbins Road 5049 188 Cline Creek 5583 192 Colter Channel at El Mirage Road 5408 196 xv NAME Columbus Wash Copper Wash Crossroads Park Cruff Wash Daggs Wash Delaney Wash Desert Hills Wash Dreamy Draw Dam Dysart Drain at LAFB Dysart Drain at El Mirage Road East Fork Cave Creek Basin #1 East Fork Cave Creek Basin #3A East Fork Cave Creek Basin #3B East Fork Cave Creek Basin #4 East Fork Cave Creek near 7th Avenue El Mirage Road Drain East Maricopa Floodway (EMF) at Broadway Road EMF below Powerline Floodway EMF at Queen Creek Road EMF at Arizona Avenue Estrella Fan Flying E Wash Ford Canyon Wash Fourth of July Wash Freestone Basin Galloway Wash at Galloway Road Gila River at Olberg Road Gila River at Maricopa Road Gila River at 116th Avenue Bridge (Avondale Blvd.) Gila River at Estrella Parkway Golden Eagle Park Dam Grand Avenue at 27th Avenue Basin Granite Reef Diversion Granite Reef Wash Greene Wash at SR84 Guadalupe Channel Guadalupe FRS Harquahala FRS Hartman Wash Hassayampa River at Wagoner Bridge Hassayampa River at Box Canyon Hassayampa River at US60 Hassayampa River near Morristown Hassayampa River at I-10 xvi ID 5013 5033 6623 5078 5498 5108 4898 4803 5413 5423 4648 8807 4683 4658 4668 5483 6573 6758 6583 6598 6893 7083 5428 5043 6608 20607 0783 0778 6848 6853 5978 3807 4568 4728 0793 6603 6503 5128 7063 5352 5308 5228 5223 5283 Page 200 204 208 213 217 221 225 229 235 239 243 249 255 261 267 271 275 279 283 287 291 295 299 303 307 312 316 320 324 328 332 338 344 348 352 356 360 366 372 376 380 384 388 392 NAME Hesperus Dam Indian Bend Wash (IBW) at Sweetwater Avenue IBW at Shea Boulevard IBW near Indian Bend Road IBW at McDonald Drive IBW at Indian School Road IBW near McKellips Road IBW Interceptor Channel Jackrabbit Wash Lake Margherite Laveen Basin Magma FRS Martinez Creek McDowell Mountain Road McMicken Dam at Bell Road McMicken Dam McMicken Floodway Mineral Canyon Basin New River Fire New River Dam Pool New River Dam Outlet New River at Bell Road New River at Glendale Avenue North Heights Dam Old Crosscut Canal Paradise Lane at 33rd Drive Basin Paradise Lane at 47th Avenue Basin Pecos Sediment Basin Pecol Basin Pool Pecos North Inlet Pecos East Inlet Pecos West Inlet Phoenix Dam #2A Phoenix Dam #2B Phoenix Dam #3 Phoenix Dam #4 Phoenix Dam #7 Phoenix Dam #99 Phoenix East Park Dam Phoenix West Park Dam Phoenix Zoo Dam #3 Phoenix Zoo Dam #5 Picacho Wash Pima Canyon Wash xvii ID 5993 4643 4693 4613 4628 4618 4603 4623 5218 4678 4578 6718 7013 5923 5443 5448 5438 68807 5638 5614 5613 5598 5508 5983 4748 12407 13707 6537 6538 6532 6533 6534 4789 4778 4828 4838 4853 4843 4848 4858 4307 4407 5678 6523 Page 396 402 406 411 415 419 423 427 431 435 439 445 451 455 459 463 469 473 479 483 488 492 496 501 507 511 517 523 529 535 539 543 547 553 559 565 571 577 583 589 595 601 607 611 NAME Powder House Wash Powerline Floodway Powerline FRS Price Drain at Loop 202 Prickly Pear Wash Queen Creek at CAP Queen Creek at Rittenhouse Road Rainbow Wash Rawhide Wash Reata Pass Dam Reata Pass Wash Rittenhouse FRS Roeser Road at 23rd Avenue Basin Saddleback FRS Salt River below Granite Reef Diversion Salt River at Val Vista Drive Salt River at Priest Drive Salt River at 7th Avenue Salt River at 51st Avenue Salt River at 67th Avenue Sand Tank Wash at I-8 Santa Cruz River at SR84 Santa Rosa Wash at SR84 Sauceda Wash Scatter Wash Seven Springs Wash Signal Butte FRS Siphon Draw Wash at Signal Butte Road Skunk Creek near New River Skunk Creek at Desert Hills Drive Skunk Creek at Carefree Highway Skunk Creek at Dixileta Drive Skunk Creek at I-17 Skunk Tank Wash Sols Wash at SR71 Sols Wash Tributary at US93 Sols Wash near Matthie Sonoqui Wash near Hawes Road Sonoran Wash South Mountain Fan Spookhill FRS Spookhill FRS at McDowell Road Spookhill FRS at McKellips Road Spookhill FRS at Brown Road ID 7113 6708 6683 4573 8107 6723 6707 6953 4863 4938 4588 6703 66807 5113 4583 4548 4523 4763 4753 4758 6933 0788 0798 6923 5543 4963 6628 37607 5588 64807 65707 64907 5568 4888 5276 7028 7043 36307 65907 6563 4563 6637 6638 6693 xviii Page 615 619 623 629 633 637 641 645 649 653 659 663 669 675 681 685 689 693 697 701 705 709 713 717 721 725 729 735 739 743 747 751 755 759 763 767 771 775 779 783 787 793 799 805 NAME Stagecoach Wash Stoneridge Dam Sun Valley Parkway at Northern Avenue Wash Sunnycove FRS Sunridge Canyon Dam Sunset FRS Sycamore Creek Fire PT Tat Momolikot Dam Tatum Wash Basin Inlet Tatum Wash Basin Tenth Street Wash Basin #1 Tiger Wash Twin Buttes Wash University Drive at 62nd Street (Mesa) Basin Upper Trilby Wash UPRR Underpass at First Avenue UPRR Underpass at Central Avenue US60 at Gold Canyon Wash Vekol Wash Vineyard FRS Vulture Mine Road Wagner Wash at Sun Valley Parkway Waterman Wash at Rainbow Valley Road Weekes Wash at Baseline Road White Tanks FRS #3 White Tanks FRS #4 White Tank Outflow Channel Whitlow Ranch Dam Winters Wash xix ID 4913 5968 5303 5248 5973 5233 5873 0773 4638 4653 4818 5163 73207 34607 5488 3107 3207 36907 6983 6688 5263 44707 6833 6753 5418 6823 87407 6739 5118 Page 811 815 821 825 831 837 843 847 853 857 863 869 873 877 883 887 891 895 899 903 909 913 917 921 925 931 937 941 947 SUMMARY OF SIGNIFICANT STREAMFLOW EVENTS Rainfall and runoff in Maricopa County occur primarily in the summer and winter. However, significant rainfall can occur during a transitional season following the summer monsoon. From a water year standpoint, the year begins in October with the onset of the transition period from the summer monsoon to a more zonal westerly air flow pattern. During this transition period, both southerly tropical flow mixes with weather disturbances from the northwest and can produce severe weather and heavy rainfall. The traditional winter season generally occurs from December through early April and is typified by large-scale low pressure systems moving southward along the west coast from the northwest. Following the winter season, a dry period occurs from mid-April to mid-June. After this dry period, the summer monsoon season begins June 15 and continues through September 30. The summer monsoon season is characterized by a altering of the zonal westerly flow pattern, to a more south and easterly air flow pattern. For Water Year 2017, early fall got off to a quick start in October with precipitation and runoff on 10/13, with further less significant rainfall and runoff events through midDecember. The winter rainy season proved to be rather rainy. Beginning in mid December, there were several rather rainy periods. From December 22 through January 1, significant rainfall occurred on 12/22, 12/24, 12/31, and 1/1. Several stations had their peak annual maximums on 12/22 and/or 1/1. A short break from heavy precipitation occurred from January 1 through January 20. Another significant rain/runoff occurred on 1/20-1/21. A dry period again persisted after this event through mid/late-February. The final significant winter event occurred on 2/28. As a result of significant snow accumulation in the Verde River watershed, runoff occurred on the Salt River passed Granite Reef diversion for the first time since 2010. The peak began just downstream of the diversion dam at about 22,000 cfs and ultimately dissipating at the Estrella Parkway station on the Gila River to a peak of about 12,000 cfs. The peak runoff on the Salt/Gila Rivers occurred on March 1 and 2. After the First of March, no other runoff producing rainfall occurred until the summer monsoon season. The summer rains began in about mid-July this year with an event that affected the southwest valley on 7/16. Wickenburg was hit with rain and runoff on 7/18 and continued to receive rain throughout the monsoon season. The other winner for heavy rain and runoff was Queen Creek and the southeast valley. July 23-24 saw some very significant runoff. Ten days hence was another active period from August 3-4 in Wickenburg and east and central valley area. A few other events happened in August, and one in September. But the monsoon season tended to end in most of the county in late-August. Of note, there was very little tropical activity this past summer. Highlights of the runoff and impoundment events are summarized on the following two pages. xx Maximum Flows for Water Year 2017 at Selected FCDMC Water Level Sensor Locations Red values are peaks of record Location ACDC at 43rd Avenue (4823) Amigos Wash (6648) Antelope Creek (7168) Bullard Wash at Indian School Road (6868) Cave Creek at Ashdale (4947) Cave Creek at Spur Cross (4923) Cave Creek (4893) Cave Creek near Cave Creek (4918) Cruff Wash (5078) Delaney Wash (5108) EMF at Broadway Road (6573) EMF below Powerline Floodway (6758) EMF at Queen Creek Road (6583) EMF at Arizona Avenue (6598) Gila River at 116th Avenue (6848) Gila River at Estrella Parkway (6853) Hassayampa River at Wagoner (5352) Hassayampa River at Box Canyon (5308) Hassayampa River at US60 (5228) Hassayampa River near Morristown (5223) Hassayampa River at I‐10 (5283) Martinez Creek (7013) New River Fire (5638) Powder House Wash (7113) Rainbow Wash (6953) Salt River below Granite Reef (4583) Salt River at Val Vista Road (4548) Salt River at Priest Drive (4523) Salt River at 7th Avenue (4763) Salt River at 51st Avenue (4753) Salt River at 67th Avenue (4758) Discharge (cfs) 975 228 1,217 509 1,702 1,827 2,138 1,659 1,550 1,310 1,045 1,389 2,542 2,591 11,075 14,893 706 5,161 5,750 2,841 1,000 1,730 4,731 1,000 1,921 22,641 21,048 21,922 12,712 11,376 8,953 Stage (feet) 2.37 1.35 3.30 2.57 6.77 7.78 6.05 3.64 4.14 5.85 2.32 3.37 4.30 4.48 5.99 11.14 3.50 8.92 2.90 10.31 2.62 5.03 4.67 0.53 4.23 16.32 10.76 8.34 12.27 10.50 7.96 Date 12/22/2016 07/24/2017 01/21/2017 07/16/2017 02/28/2017 01/21/2017 02/28/2017 02/28/2017 07/29/2017 07/24/2017 07/24/2017 07/24/2017 07/24/2017 07/24/2017 03/02/2017 03/02/2017 07/28/2017 02/28/2017 02/28/2017 02/28/2017 02/28/2017 08/01/2017 02/28/2017 08/10/2017 07/24/2017 03/01/2017 03/01/2017 03/01/2017 03/01/2017 03/01/2017 03/01/2017 Note: Many stations recorded multiple events. These are the maximum peaks for the year. xxi Water Year 2017 Maximum Flows for Water Year 2017 at Selected FCDMC Water Level Sensor Locations, continuted Red values are peaks of record Location Sauceda Wash (6923) Siphon Draw Wash near Signal Butte Road (37607) Skunk Creek at Carefree Highway (65707) Skunk Creek at Dixileta Drive (64907) Skunk Creek at I‐17 (5568) Sols Wash near Matthie (7043) Sonoqui Wash near Hawes Road (36307) Sonoran Wash (65907) Sycamore Creek Fire (5873) US60 at Gold Canyon (36907) Vekol Wash (6983) Weekes Wash at Baseline Road (6753) Discharge (cfs) Stage (feet) Date 1,041 312 1,246 1,585 1,318 3,326 1,064 1,192 1,138 900 1,004 1,624 3.59 4.46 3.77 4.25 2.63 3.65 5.29 4.30 5.14 3.36 6.39 7.24 07/16/2017 07/24/2017 12/22/2016 01/01/2017 01/01/2017 07/18/2017 07/24/2017 12/22/2016 01/20/2017 07/24/2017 08/02/2017 07/24/2017 Note: Many stations recorded multiple events. These are the maximum peaks for the year. xxii Water Year 2017 Maximum Impoundments for Water Year 2017 at Selected FCDMC Water Level Sensor Locations Red values are peaks of record Location Adobe Dam Pool (5539) Apache Junction FRS (6673) Cave Buttes Dam Pool (4904) Golden Eagle Park Dam (5978) Harquahala FRS (5128) Magma FRS (6718) New River Dam Pool (5614) North Heights Dam (5983) Pecos Sediment Basin (6537) Powerline FRS (6683) Rittenhouse FRS (6703) Saddleback FRS (5113) Signal Butte FRS (6628) Sunnycove FRS (5248) Sunridge Canyon Dam (5973) Sunset FRS (5233) Tat Momolikot Dam (0773) University Drive at 62nd Street Basin (34607) Vineyard FRS (6688) White Tank FRS #4 (6823) Whitlow Ranch Dam (6739) Discharge (cfs) 249 15 208 491 0 51 1,351 142 40 106 71 35 0 0 83 0 0 7 190 0 486 Stage (feet) 5.68 6.87 18.87 6.37 13.67 5.98 15.97 7.77 16.38 8.99 5.29 1.02 9.15 11.20 4.54 7.52 8.97 5.64 9.26 5.78 25.45 Contents (ac‐ft) 90. 54.9 374.5 2.7 22.3 74.8 1,414. 1.6 40.6 1,063.9 58.2 66. 127. 9.1 0.1 8.6 1,788. 4.9 3,225.1* 36.5 577. Date (%full) 0.6 8.1 0.8 2.9 0.3 1.3 3.2 1.2 88.3 21.7 1.5 1.0 7.7 4.2 0.1 11.2 0.9 20.0 68.9* 2.5 3.8 01/01/2017 07/24/2017 03/01/2017 08/03/2017 07/28/2017 08/13/2017 02/28/2017 01/20/2017 08/13/2017 07/24/2017 12/22/2016 07/24/2017 07/25/2017 08/10/2017 07/24/2017 08/10/2017 08/05/2017 07/24/2017 07/24/2017 07/24/2017 01/24/2017 *Vineyard FRS under construction, and therefore the Volume and percent full data are not correct. Note: Many stations recorded multiple events. These are the maximum peaks for the year. xxiii Water Year 2017 DATA PRESENTATION The following pages present the data collected by the Flood Control District ALERT system. Data have been retrieved from a TriLynx Systems, LLC® NovaStar5 database, maintained at the Flood Control District of Maricopa County. The data pages are in alphabetical order by name. If there are more than one station on a stream such as Cave Creek, the stations are placed in stream order, upstream to downstream. All stations set up from mid‐2015 and forward have been assigned ALERT2 gage IDs. Stations set up before then have the ALERT1 station ID format (xxxx). ALERT2 stations have a 5‐digit ID number assigned (xxxx7). The data tables included with each gage are reports directly produced by a database function. In the tables where there are dashes “‐ ‐ ‐“ on 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. xxiv Water Year 2017 Arizona Canal Diversion Channel at 36th Street, ID #4808 Site Data LOCATION At the inlet to the ACDC near 36th Street and Stanford Drive DRAINAGE AREA 4.8 mi2 STREAM TYPE Engineered Basin / Channel JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S13 T2N R3E LATITUDE N 33° 30' 49.3" | +33.51368 LONGITUDE W 111° 59' 58.7" | -111.99963 STREAMGAGE INSTALLATION DATE 02/24/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 02/24/1994 - Current LENGTH OF AVAILABLE POR DATA 23.60 Years | 8,620 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.12 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,235.95 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 324 cfs | 7.67 feet | 07/14/1999 FCDMC Annual Surface Water Report, Water Year 2017 Page 1 Watershed Map ACDC at 36th Street - water year peaks 350 Discharge (cfs) 300 250 200 150 100 50 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 2 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 11/03/2016 11/27/2016 12/22/2016 12/24/2016 01/01/2017 01/20/2017 02/18/2017 02/28/2017 07/17/2017 07/21/2017 08/03/2017 Peak Gage Height 0.64 0.54 1.19 0.64 0.66 0.84 0.56 0.99 1.54 0.96 4.55 Peak Discharge (cfs) 3 3 8 3 4 5 3 7 12 6 57 Hydrograph of peak WY 2017 flow event, 08/05/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 21 58 101 163 281 408 FCDMC Annual Surface Water Report, Water Year 2017 Page 3 ACDC at 36th Street, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 2 3 1 11 4 6 5 1 6 7 8 9 10 11 12 13 14 15 16 17 3 18 2 19 2 20 1 21 1 1 22 1 23 24 1 25 26 27 28 2 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 2 2 2 6 0 0 0 0 4 18 0 MEAN 0 0 0 0 0 0 0 0 0 0 1 0 MAX 0 3 8 5 7 0 0 0 0 12 57 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 3 4 5 12 0 0 0 0 9 37 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 35 MEAN 0 MAX 57 MIN 0 AC_FT 70 FCDMC Annual Surface Water Report, Water Year 2017 Page 4 Arizona Canal Diversion Channel at 14th Street – ID #4813 Site Data LOCATION Near 14th Street and Orangewood Avenue DRAINAGE AREA 10.2 mi2 STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S04 T2N R3E LATITUDE N 33° 32' 37.3" | +33.54369 LONGITUDE W 112° 03' 05.1" | -112.05141 STREAMGAGE INSTALLATION DATE 02/09/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 02/09/1994 - Current LENGTH OF AVAILABLE POR DATA 23.64 Years | 8,635 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.40 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,213.70 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,414 cfs | 6.75 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 5 Watershed Map ACDC at 14th Street - water year peaks 1,600 Discharge (cfs) 1,400 1,200 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 6 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event There was no runoff recorded in Water Year 2017. Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 89 298 521 798 1,240 1,630 FCDMC Annual Surface Water Report, Water Year 2017 Page 7 ACDC at 14th Street, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 8 Arizona Canal Diversion Channel at 43rd Avenue, ID #4823 Site Data LOCATION Near Peoria and 43rd Avenues DRAINAGE AREA 56 mi2 below Cave Buttes Dam STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S22 T3N R2E LATITUDE N 33° 35' 02.4" | +33.58400 LONGITUDE W 112° 09' 15.2" | -112.15422 STREAMGAGE INSTALLATION DATE 11/14/1990 - WY 1991 AVAILABLE PERIOD OF RECORD (POR) 11/14/1990 - Current LENGTH OF AVAILABLE POR DATA 26.88 Years | 9,818 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.90 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,198.52 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,601 cfs | 6.58 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 9 Watershed Map ACDC at 43rd Avenue - water year peaks 6,000 Discharge (cfs) 5,000 4,000 3,000 2,000 1,000 0 1990 1995 2000 2005 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 10 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/22/2016 01/01/2017 01/20/2017 01/23/2017 02/28/2017 Peak Gage Height (feet) 1.72 2.37 1.17 1.02 1.02 1.19 Peak Discharge (cfs) 514 975 230 146 146 243 Hydrograph of peak WY 2017 flow event, 12/22/2016 Flood Flow Frequency Flood Flow Frequency N=27, HEC-WRC computation (based on 27 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,110 2,220 3,190 4,290 5,980 7,470 FCDMC Annual Surface Water Report, Water Year 2017 Page 11 ACDC at 43rd Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 37 2 26 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 14 21 22 134 23 12 24 25 26 27 28 35 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 134 63 35 26 0 0 0 0 0 0 MEAN 0 0 4 2 1 1 0 0 0 0 0 0 MAX 0 0 975 230 243 104 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 266 126 69 51 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 258 MEAN 1 MAX 975 MIN 0 AC_FT 512 FCDMC Annual Surface Water Report, Water Year 2017 Page 12 Arizona Canal Diversion Channel at 67th Avenue, ID #5523 Site Data LOCATION On 67th Avenue south of Greenway Road DRAINAGE AREA 283.7 mi2 below Cave Buttes Dam STREAM TYPE Engineered Channel JURISDICTION Glendale, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S12 T3N R1E LATITUDE N 33° 37' 17.8" | +33.62161 LONGITUDE W 112° 12' 09.7" | -112.20269 STREAMGAGE INSTALLATION DATE 06/07/1990 - WY 1990 AVAILABLE PERIOD OF RECORD (POR) 06/07/1990 - Current LENGTH OF AVAILABLE POR DATA 27.32 Years | 9,978 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 4 ZERO GAGE HEIGHT ELEVATION 1,187.25 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,511 cfs | 8.40 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 13 Watershed Map ACDC at 67th Avenue - water year peaks 6,000 Discharge (cfs) 5,000 4,000 3,000 2,000 1,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 14 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 10/02/2016 12/22/2016 12/24/2016 12/31/2016 01/01/2017 01/21/2017 01/23/2017 02/19/2017 02/28/2017 03/02/2017 07/17/2017 07/22/2017 07/24/2017 07/30/2017 08/04/2017 08/13/2017 08/24/2017 Peak Gage Height (feet) 1.91 3.91 2.69 2.05 2.84 3.03 2.89 2.74 2.98 2.93 1.81 1.42 1.66 1.66 1.47 1.13 1.47 Peak Discharge (cfs) 82 609 206 96 242 293 255 217 279 266 73 46 62 62 48 31 48 Hydrograph of peak WY 2017 flow event. 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 15 Flood Flow Frequency Flood Flow Frequency N=27, HEC-WRC computation (based on 27 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 849 1,820 2,650 3,580 4,970 6,150 NOTE(1): These results are based on very limited data. NOTE(2): Cave Buttes Dam upstream limits the peak discharge from the upper portion of the watershed. Flood Flow Frequency U.S. Army Corps of Engineers Design 2-year 5-year 10-year 25-year 50-year 100-year 1,900 4,500 7,700 13,500 20,600 29,000 FCDMC Annual Surface Water Report, Water Year 2017 Page 16 ACDC at 67th Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 145 82 2 28 58 207 3 11 12 139 1 4 28 25 5 7 2 6 11 1 7 10 2 8 9 2 9 8 1 10 7 1 11 6 2 12 6 1 13 5 19 14 5 2 15 5 2 16 5 3 17 5 29 3 18 47 4 3 3 19 146 4 2 20 33 32 4 1 21 166 4 9 1 22 283 64 5 12 1 23 100 186 9 2 24 57 119 8 22 25 25 74 23 7 8 3 26 17 15 7 1 27 13 14 7 6 1 28 14 11 212 7 1 29 11 --6 1 30 12 --20 31 --71 -------------------------------------------------------------------------------------TOTAL 39 0 651 847 443 617 0 0 0 105 106 0 MEAN 1 0 21 27 16 20 0 0 0 3 3 0 MAX 82 0 609 293 279 266 0 0 0 73 48 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 76 0 1292 1680 879 1224 0 0 0 208 211 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2808 MEAN 8 MAX 609 MIN 0 AC_FT 5570 FCDMC Annual Surface Water Report, Water Year 2017 Page 17 Adobe Dam Pool, ID #5539 Site Data LOCATION Near 43rd Avenue and Deer Valley Drive DRAINAGE AREA 89.6 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Phoenix, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S21 T4N R2E LATITUDE N 33° 40' 38.0" | +33.67670 LONGITUDE W 112° 09' 14.3" | -112.15397 STREAMGAGE INSTALLATION DATE 10/28/1982 - WY 1983 AVAILABLE PERIOD OF RECORD (POR) 08/30/1988 - Current LENGTH OF AVAILABLE POR DATA 29.09 Years | 10,624 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.85 Feet Gage Height STAFF GAGES 14 ZERO GAGE HEIGHT ELEVATION 1,339.81 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 39.77 feet Gage Height TOP OF DAM ELEVATION 65.07 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 18 Watershed Map Volume (acre-feet) Adobe Dam Pool - water year peaks 2,000 1,800 1,600 1,400 1,200 1,000 800 600 400 200 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 19 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 02/28/2017 Peak Gage Height (feet) 3.86 5.68 3.39 Peak Volume (ac-ft) 37 90 29 Percent Spillway Capacity 0.1 0.6 <0.1 Hydrograph of peak WY 2017 impoundment event, 01/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 20 Adobe Dam Pool, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 29 2 1 3 4 5 --6 --7 --8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 7 23 24 25 26 27 28 4 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 0 0 37 90 29 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 90 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 21 Adobe Dam Pool, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2.9 2.9 2.9 3.7 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 2.9 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 6 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 2.9 2.9 2.9 2.9 2.9 2.9 --2.9 2.9 8 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 10 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 11 2.9 2.9 2.9 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 3.0 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 0.0 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 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 28 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 29 2.9 2.9 2.9 2.9 --2.9 2.9 2.9 2.9 2.9 2.9 2.9 30 2.9 2.9 2.9 2.9 --2.9 2.9 2.9 2.9 2.9 2.9 2.9 31 2.9 --2.9 2.9 --2.9 --2.9 --2.9 2.9 -------------------------------------------------------------------------------MEAN 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 MAX 2.9 2.9 3.9 5.7 3.4 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 2017 MEAN 2.86 MAX 5.68 MIN 2.85 FCDMC Annual Surface Water Report, Water Year 2017 Page 22 Adobe Dam Outlet, ID #5538 Site Data LOCATION Near 43rd Avenue and Deer Valley Drive DRAINAGE AREA 89.6 mi2 STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S21 T4N R2E LATITUDE N 33° 40' 38.0" | +33.67670 LONGITUDE W 112° 09' 14.3" | -112.15397 STREAMGAGE INSTALLATION DATE 10/28/1982 - WY 1983 AVAILABLE PERIOD OF RECORD (POR) 08/03/1990 - Current LENGTH OF AVAILABLE POR DATA 27.16 Years | 9,921 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,330.27 feet NAVD88 POINT OF ZERO FLOW -0.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,239 cfs | 7.01 feet GH | 01/22/2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 23 Watershed Map Adobe Dam Outlet - water year peaks 1,400 Discharge (cfs) 1,200 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 24 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/21/2017 02/28/2017 Peak Gage Height 2.66 3.39 1.11 2.07 Peak Discharge (cfs) 178 289 33 114 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency Flows past this gage are regulated by Adobe Dam directly upstream. Flood Flow Frequency is therefore not valid. FCDMC Annual Surface Water Report, Water Year 2017 Page 25 Adobe Dam Outlet, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 105 20 2 34 1 3 1 4 4 1 1 5 1 --6 --7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 11 22 39 5 23 35 1 24 3 1 25 1 26 1 27 28 33 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 86 163 33 20 0 0 0 0 0 0 MEAN 0 0 3 5 1 1 0 0 0 0 0 0 MAX 0 0 178 289 114 62 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 170 324 65 40 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 303 MEAN 1 MAX 289 MIN 0 AC_FT 600 FCDMC Annual Surface Water Report, Water Year 2017 Page 26 Agua Fria River at Grand Avenue, ID #5503 Site Data LOCATION On Grand Avenue west of 113th Avenue DRAINAGE AREA 1,628 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION El Mirage, Arizona WATERSHED White Tanks A / Lower Agua Fria SECTION/TOWNSHIP/RANGE S18 T3N R1E LATITUDE N 33° 36' 26.6" | +33.60739 LONGITUDE W 112° 18' 20.6" | -112.30571 STREAMGAGE INSTALLATION DATE 04/27/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 04/27/1994 - Current LENGTH OF AVAILABLE POR DATA 23.43 Years | 8,558 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.50 feet Gage Height STAFF GAGES 3 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 1.6 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,952 cfs | 6.50 feet | 10/27/2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 27 Watershed Map Agua Fria River at Grand Ave - water year peaks 7,000 Discharge (cfs) 6,000 5,000 4,000 3,000 2,000 1,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 28 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 07/15/2017 08/13/2017 Peak Gage Height 3.12 3.22 3.17 Peak Discharge (cfs) 32 58 43 Hydrograph of peak WY 2017 flow event, 07/15/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 29 Agua Fria River at Grand Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 3 14 15 1 16 17 18 19 20 21 22 1 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 1 0 0 0 0 0 0 1 3 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 2 0 32 1 3 0 0 0 0 58 43 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 1 2 1 1 1 1 1 1 2 6 1 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 9 MEAN 0 MAX 58 MIN 0 AC_FT 18 FCDMC Annual Surface Water Report, Water Year 2017 Page 30 Agua Fria River at Buckeye Road, ID #5403 Site Data LOCATION On Buckeye Road east of Dysart Road DRAINAGE AREA 2,241 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Avondale, Arizona WATERSHED White Tanks A / Lower ACDC SECTION/TOWNSHIP/RANGE S14 T1N R1W LATITUDE N 33° 26' 06.3" | +33.43501 LONGITUDE W 112° 19' 55.8" | -112.33254 STREAMGAGE INSTALLATION DATE 10/12/1988 - WY 1989 AVAILABLE PERIOD OF RECORD (POR) 10/12/1988 - Current LENGTH OF AVAILABLE POR DATA 28.97 Years | 10,581 Days DATA GAPS IN POR 09/06/2003 - 07/13/2004 STAGE GAGE ELEVATION 0.26 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 954.72 feet NAVD 1988 POINT OF ZERO FLOW 0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 10,274 cfs | 3.74 feet | 09/08/2014 EXTREME OUTSIDE PERIOD OF RECORD 44,200 cfs | 02/20/1980 FCDMC Annual Surface Water Report, Water Year 2017 Page 31 Watershed Map Agua Fria River at Buckeye Road - water year peaks 12,000 Discharge (cfs) 10,000 8,000 6,000 4,000 2,000 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 32 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 03/02/2017 0.50 129 Hydrograph of peak WY 2017 flow event, 03/02/2017 Flood Flow Frequency Flood Flow Frequency FEMA, 1995 2-year 5-year 10-year 50-year 100-year 500-year 22,000 69,000 95,000 184,000 FCDMC Annual Surface Water Report, Water Year 2017 Page 33 Agua Fria River at MC85, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 38 --2 86 --3 32 --4 --5 --6 --7 --8 --9 --10 --11 12 13 1 14 1 15 16 1 17 18 19 20 21 22 23 24 25 26 27 28 29 ----30 ----31 -----------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 157 0 0 2 0 0 0 MEAN 0 0 0 0 0 5 0 0 0 0 0 0 MAX 0 0 0 0 0 129 0 0 3 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 311 0 0 4 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 159 MEAN 0 MAX 129 MIN 0 AC_FT 315 FCDMC Annual Surface Water Report, Water Year 2017 Page 34 Amigos Wash, ID #6648 Site Data LOCATION Located in Usery Mountain Park, northeast of the intersection of McKellips and Crismon Roads DRAINAGE AREA 0.47 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S01 T1N R7E LATITUDE N 33° 27' 16.8" | +33.45467 LONGITUDE W 111° 36' 24.4" | -111.60677 STREAMGAGE INSTALLATION DATE 01/09/2013 - WY 2013 AVAILABLE PERIOD OF RECORD (POR) 01/09/2013 - Current LENGTH OF AVAILABLE POR DATA 4.73 Years | 1,726 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.75 feet Gage Height STAFF GAGES None ZERO GAGE HEIGHT ELEVATION 1,784.00 feet NAVD 1988 POINT OF ZERO FLOW 0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 324 cfs | 1.54 feet | 09/27/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 35 Watershed Map Amigos Wash - water year peaks 350 Discharge (cfs) 300 250 200 150 100 50 0 2010 2011 2012 2013 FCDMC Annual Surface Water Report, Water Year 2017 Page 36 2014 2015 2016 Water Year 2017 2018 2019 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 07/24/2017 1.35 228 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 37 Amigos Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 25 0 0 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 0 0 0 0 0 0 0 228 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 49 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 25 MEAN 0 MAX 228 MIN 0 AC_FT 49 FCDMC Annual Surface Water Report, Water Year 2017 Page 38 Antelope Creek, ID #7168 Site Data LOCATION Located about 1.5 miles upstream from Martinez Creek (7013) DRAINAGE AREA 62 mi2 STREAM TYPE Natural Stream JURISDICTION Yavapai County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S09 T8N R5W LATITUDE N 34° 02' 55.6" | +34.04877 LONGITUDE W 112° 46' 45.7" | -112.77937 STREAMGAGE INSTALLATION DATE 07/09/2003 - WY 2003 AVAILABLE PERIOD OF RECORD (POR) 07/09/2003 - Current LENGTH OF AVAILABLE POR DATA 14.23 Years | 5,198 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.77 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,406.00 feet NAVD 1988 POINT OF ZERO FLOW 1.4 feet Gage Height EXTREME FOR PERIOD OF RECORD 7,169 cfs | 5.42 feet | 10/20/2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 39 Watershed Map Antelope Creek - water year peaks 8,000 Discharge (cfs) 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 40 2010 Water Year 2015 2020 WY2017 Events Date of Peak 01/21/2017 02/28/2017 07/18/2017 08/01/2017 Peak Gage Height (feet) 3.30 3.00 2.07 1.92 Peak Discharge (cfs) 1,217 960 150 94 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency Flood Flow Frequency N=15, HEC-WRC computation (based on 15 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,110 3,640 6,530 10,400 17,300 23,900 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 41 Antelope Creek, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 19 20 17 21 205 22 23 24 25 26 27 28 488 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 222 488 0 0 0 0 1 2 0 MEAN 0 0 0 8 17 0 0 0 0 0 0 0 MAX 0 0 0 1217 960 0 0 0 0 150 94 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 441 968 0 0 0 0 2 4 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 714 MEAN 2 MAX 1217 MIN 0 AC_FT 1415 FCDMC Annual Surface Water Report, Water Year 2017 Page 42 Apache Junction FRS, ID #6673 Site Data LOCATION Located near Idaho Road and Lost Dutchman Boulevard DRAINAGE AREA 5.8 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Apache Junction, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S08 T1N R8E LATITUDE N 33° 26' 29.2" | +33.44143 LONGITUDE W 111° 33' 06.4" | -111.55178 STREAMGAGE INSTALLATION DATE 09/15/1988 - WY 1988 AVAILABLE PERIOD OF RECORD (POR) 09/15/1988 - Current LENGTH OF AVAILABLE POR DATA 29.04 Years | 10,608 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 0.13 feet Gage Height STAFF GAGES 5 ZERO GAGE HEIGHT ELEVATION 1,785.79 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height SPILLWAY ELEVATION 16.00 feet Gage Height TOP OF DAM ELEVATION 27.00 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 43 Watershed Map Apache Juntion FRS - water year peaks Volume (acre-feet) 60 50 40 30 20 10 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 44 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 07/11/2017 07/21/2017 07/24/2017 09/08/2017 Peak Gage Height (feet) 0.66 2.96 6.87 2.54 Peak Volume (ac-ft) 0.0 3.3 54.9 2.3 Percent Spillway Capacity 0.0 0.5 8.1 0.3 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 45 Apache Junction FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 7 25 1 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 8 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 15 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 16 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 8 MEAN 0 MAX 15 MIN 0 AC_FT 16 FCDMC Annual Surface Water Report, Water Year 2017 Page 46 Apache Junction FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 25 3 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 55 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 55 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 47 Apache Junction FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.1 0.1 0.1 11 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 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 0.2 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 0.6 0.1 0.1 22 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.4 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 4.1 0.1 0.1 25 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.7 0.1 0.1 26 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 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 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 0.3 0.1 0.1 MAX 0.1 0.1 0.1 0.7 0.1 0.1 0.1 0.1 0.1 6.9 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 2017 MEAN 0.15 MAX 6.87 MIN 0.13 FCDMC Annual Surface Water Report, Water Year 2017 Page 48 Aspen Dam, ID #5988 Site Data LOCATION Near Aspen Drive and Golden Eagle Boulevard DRAINAGE AREA 2.02 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Fountain Hills, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S16 T3N R6E LATITUDE N 33° 37' 33.1" | +33.62587 LONGITUDE W 111° 44' 47.3" | -111.74646 STREAMGAGE INSTALLATION DATE 01/02/1997 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 01/02/1997 - Current LENGTH OF AVAILABLE POR DATA 20.74 Years | 7,577 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.24 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,808.61 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 26.8 feet Gage Height TOP OF DAM ELEVATION 34.6 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 49 Watershed Map Volume (acre-feet) Aspen Dam - water year peaks 10 9 8 7 6 5 4 3 2 1 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 50 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/24/2016 01/20/2017 08/14/2017 Peak Gage Height (feet) 1.88 1.11 2.91 0.74 Peak Volume (ac-ft) 0.4 0.0 1.3 0.0 Percent Spillway Capacity 0.5 0.0 0.8 0.0 Hydrograph of peak WY 2017 impoundment event, 01/20/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 51 Aspen Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 4 21 3 22 1 23 24 2 25 1 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 5 7 0 0 0 0 0 0 1 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 29 48 0 0 0 0 0 0 9 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 11 14 0 0 0 0 0 0 1 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 13 MEAN 0 MAX 48 MIN 0 AC_FT 26 FCDMC Annual Surface Water Report, Water Year 2017 Page 52 Aspen Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 1 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 53 Aspen Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.3 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 0.3 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 0.3 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 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 0.3 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 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 25 0.2 0.2 0.3 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 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 0.2 0.2 MAX 0.2 0.2 1.9 2.9 0.2 0.2 0.2 0.2 0.2 0.2 0.8 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 2017 MEAN 0.24 MAX 2.91 MIN 0.24 FCDMC Annual Surface Water Report, Water Year 2017 Page 54 Baseline Road at 43rd Avenue Basin, ID #66407 Site Data LOCATION Located on the basin at the northeast corner of Baseline Rd and 43rd Avenue DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S34 T1N R2E LATITUDE N 33° 22' 47.2" | +33.37978 LONGITUDE W 112° 09' 02.5" | -112.15070 STREAMGAGE INSTALLATION DATE 10/01/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 10/01/2015 - Current LENGTH OF AVAILABLE POR DATA 2.00 Years | 731 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,023.670 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 10.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 55 Location Map Volume (acre-feet) Baseline Road at 43rd Avenue Basin - water year peaks 10 9 8 7 6 5 4 3 2 1 0 2015 2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 56 2017 2018 Water Year 2019 2020 WY2017 Events Date of Peak 11/03/2016 12/22/2016 12/24/2016 12/30/2016 01/01/2017 01/21/2017 02/18/2017 02/28/2017 07/23/2017 08/12/2017 08/13/2017 Peak Gage Height (feet) 1.46 2.10 1.00 1.00 0.90 1.80 1.18 0.65 2.40 0.95 4.94 Peak Volume (ac-ft) 0.00 0.12 0.00 0.00 0.00 0.00 0.00 0.00 0.84 0.00 9.16 Percent Spillway Capacity 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.90 0.00 20.19 Hydrograph of peak WY 2017 impoundment event, 08/13/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 57 Baseline Road at 43rd Avenue Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 ----MIN --------------0 --0 ----AC_FT --------------0 0 0 0 -------------------------------------------------------------------------------WTR YR 2017 TOTAL 0 MEAN 0 MAX --- MIN --- AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 58 Baseline Road at 43rd Avenue Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 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 9 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 9 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 59 Baseline Road at 43rd Avenue Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 0.3 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 0.3 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 0.3 0.2 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.2 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 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 0.4 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 0.4 0.2 0.2 24 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 0.2 25 0.2 0.2 0.3 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 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 --0.3 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 1.5 2.1 1.8 1.2 0.2 0.2 0.2 0.2 2.4 4.9 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 2017 MEAN 0.21 MAX 4.94 MIN 0.20 FCDMC Annual Surface Water Report, Water Year 2017 Page 60 Bender Wash, ID #6963 Site Data STATUS Active LOCATION Located about 8 miles east of Gila Bend on I-8 DRAINAGE AREA 69.5 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Gila SECTION/TOWNSHIP/RANGE S15 T6S R3W LATITUDE N 32° 54' 22.9" | +32.90637 LONGITUDE W 112° 33' 11.1" | -112.55309 STREAMGAGE INSTALLATION DATE 05/12/2004 - WY 2004 AVAILABLE PERIOD OF RECORD (POR) 05/12/2004 - Current LENGTH OF AVAILABLE POR DATA 13.39 Years | 4,890 Days DATA GAPS IN POR 10/06/2015 – 05/22/2017 STAGE GAGE ELEVATION 1.20 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,200.00 feet NAVD88 POINT OF ZERO FLOW 0.5 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,132 cfs | 5.20 feet | 08/13/2014 EXTREME OUTSIDE PERIOD OF RECORD 8,250 cfs | 10.78 feet | 09/07/2002 FCDMC Annual Surface Water Report, Water Year 2017 Page 61 Watershed Map Bender Wash - water year peaks 3,000 Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 62 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/18/2017 07/18/2017 Peak Gage Height (feet) 1.79 2.62 Peak Discharge (cfs) 113 298 Hydrograph of peak WY 2017 flow event, 07/18/2017 Flood Flow Frequency Flood Flow Frequency HEC-WRC computation (based on data from 1963 – 1979, 1983, 1991 – 1996) 2-year 5-year 10-year 20-year 50-year 100-year 867 1,580 2,160 2,990 3,690 4,450 NOTE: These results are based on limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 63 Bender Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 ----------------13 19 ----------------20 ----------------21 ----------------22 --------------23 --------------24 --------------25 --------------26 --------------27 --------------28 --------------29 --------------30 --------------31 -----------------------------------------------------------------------------------------------TOTAL --------------0 0 13 0 0 MEAN --------------0 0 0 0 0 MAX --------------0 0 298 0 0 MIN --------------0 0 0 0 0 AC_FT --------------0 0 27 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2698 MEAN 78 MAX 298 MIN 0 AC_FT 5352 FCDMC Annual Surface Water Report, Water Year 2017 Page 64 Berneil Wash, ID #4688 Site Data LOCATION Near 66th Street and Doubletree Road DRAINAGE AREA 8.3 mi2 STREAM TYPE Engineered Channel JURISDICTION Paradise Valley, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S34 T3N R4E LATITUDE N 33° 33' 58.5" | +33.56626 LONGITUDE W 111° 56' 19.6" | -111.93878 STREAMGAGE INSTALLATION DATE 07/30/1998 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 07/30/1998 - Current LENGTH OF AVAILABLE POR DATA 19.17 Years | 7,003 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,314.64 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,120 cfs | 2.88 feet | 08/24/2006 FCDMC Annual Surface Water Report, Water Year 2017 Page 65 Watershed Map Berneil Wash - water year peaks 1,200 Discharge (cfs) 1,000 800 600 400 200 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 66 2005 2010 Water Year 2015 2020 Berniel Wash, WY2017 Events Date of Peak 11/27/2016 12/22/2016 12/24/2016 01/01/2017 01/20/2017 02/19/2017 02/27/2017 02/28/2017 07/16/2017 08/24/2017 Peak Gage Height (feet) 0.30 0.95 0.40 0.23 0.70 0.25 0.33 0.75 1.67 0.25 Peak Discharge (cfs) 27 169 42 18 100 20 31 113 423 20 Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency Flood Flow Frequency N=20, HEC-WRC computation (based on 20 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 307 576 786 1,010 1,320 1,560 FCDMC Annual Surface Water Report, Water Year 2017 Page 67 Berneil Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 18 17 13 18 1 19 4 20 10 1 21 1 22 10 23 24 3 1 25 26 27 2 2 28 6 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 2 14 13 13 0 0 0 0 31 2 0 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 27 169 100 113 0 0 0 0 423 20 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 3 27 26 26 0 0 0 0 62 3 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 75 MEAN 0 MAX 423 MIN 0 AC_FT 148 FCDMC Annual Surface Water Report, Water Year 2017 Page 68 Box Wash, ID #5273 Site Data LOCATION Located about 3 miles northwest of Vulture Mine DRAINAGE AREA 5.9 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S20 T6N R5W LATITUDE N 33° 50' 57.4" | +33.84927 LONGITUDE W 112° 47' 56.8" | -112.79911 STREAMGAGE INSTALLATION DATE 03/11/2003 - WY 2003 AVAILABLE PERIOD OF RECORD (POR) 03/11/2003 – Current LENGTH OF AVAILABLE POR DATA 14.56 Years | 5,318 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.23 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,255.00 feet NAVD 1988 POINT OF ZERO FLOW -0.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 4,160 cfs | 5.65 feet | 07/18/2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 69 Watershed Map Box Wash - water year peaks 4,500 Discharge (cfs) 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 70 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event No runoff event occurred in WY2017 Flood Flow Frequency Flood Flow Frequency N=15, HEC-WRC computation (based on 15 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 36 478 1,630 4,230 11,600 21,700 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 71 Box Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 72 Buckeye FRS #1, ID #5203 Site Data LOCATION Located near I-10 and the Hassayampa River DRAINAGE AREA 74 mi2 Excluding structures 2 and 3 STREAM TYPE Dam of natural drainage JURISDICTION Maricopa County, Arizona WATERSHED Lower Hassyampa SECTION/TOWNSHIP/RANGE S03 T1N R5W LATITUDE N 33° 27' 27.9" | +33.45775 LONGITUDE W 112° 44' 59.9" | -112.74998 STREAMGAGE INSTALLATION DATE 07/26/1983 - WY 1983 AVAILABLE PERIOD OF RECORD (POR) 11/23/1987 - Current LENGTH OF AVAILABLE POR DATA 29.86 Years | 10,905 Days DATA GAPS IN POR 01/21/2010 - 03/01/2010 STAGE GAGE ELEVATION Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,062.00 feet NAVD 1988 POINT OF ZERO FLOW (UNCONTROLLED OUTLET) 0.00 feet Gage Height SPILLWAY ELEVATION 18.7 feet Gage Height TOP OF DAM ELEVATION 27.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 73 Watershed Map Buckeye #1 FRS - water year peaks Volume (acre-feet) 700 600 500 400 300 200 100 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 74 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity No Impoundments Hydrograph of peak WY 2017 impoundment event There was no impoundment recorded during Water Year 2016. FCDMC Annual Surface Water Report, Water Year 2017 Page 75 Buckeye FRS #1, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 5 3 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 76 Buckeye FRS #1, volume data Station Number: 44007 Name: Buckeye FRS #1 Slave Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 77 Buckeye FRS #1, stage data Station Number: 4400 Name: Buckeye FRS #1 Slave Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 -2.3 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 0.5 0.5 0.5 2 -2.3 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 0.5 0.5 0.5 3 -2.3 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 0.5 0.5 0.5 4 -2.3 -2.3 -2.3 -2.3 1.4 --0.0 1.4 1.4 0.5 0.5 0.5 5 -2.3 -2.3 -2.3 -2.3 1.4 --1.4 1.4 1.4 0.5 0.5 0.5 6 -2.3 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 0.5 0.5 0.5 7 -2.3 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 0.5 0.5 0.5 8 -2.3 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 0.5 0.5 0.5 9 -2.3 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 0.5 0.5 0.5 10 -2.3 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 0.5 0.5 0.5 11 -2.3 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 0.5 0.5 0.5 12 -2.3 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 0.5 0.5 0.5 13 -2.3 -2.3 -2.3 -2.3 1.4 ----1.4 1.4 0.5 0.5 0.5 14 -2.3 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 0.5 0.5 0.5 15 -2.3 -2.3 -2.3 -2.3 1.4 ----1.4 --0.5 0.5 0.5 16 -2.3 -2.3 -2.3 -2.3 1.4 1.4 --1.4 --0.5 0.5 0.5 17 -2.3 -2.3 -2.3 -0.4 1.4 1.4 1.4 1.4 --0.5 0.5 0.5 18 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 --0.5 --0.5 19 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 --0.5 --0.5 20 -2.3 -2.3 -2.3 1.4 1.4 1.4 --1.4 --0.5 --0.5 21 -2.3 -2.3 -2.3 1.4 1.4 1.4 --1.4 --0.5 --0.5 22 -2.3 -2.3 -2.3 1.4 1.4 1.4 --1.4 --0.5 0.5 0.5 23 -2.3 -2.3 -2.3 1.4 1.4 ----1.4 --0.5 0.5 0.5 24 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 --0.5 0.5 0.5 25 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 --0.5 0.5 0.5 26 -2.3 -2.3 -2.3 1.4 1.4 --1.4 1.4 --0.5 0.5 0.5 27 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 --0.5 0.5 0.5 28 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 0.5 0.5 0.5 0.5 29 -2.3 -2.3 -2.3 1.4 ----1.4 1.4 0.5 0.5 0.5 0.5 30 -2.3 -2.3 -2.3 1.4 --1.4 1.4 1.4 0.5 0.5 0.5 0.5 31 -2.3 --- -2.3 1.4 ------1.4 --0.5 0.5 -------------------------------------------------------------------------------MEAN -2.3 -2.3 -2.3 -0.6 1.4 1.4 1.4 1.4 1.3 0.5 0.5 0.5 MAX -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 1.4 1.4 0.5 0.5 0.5 MIN -2.3 -2.3 -2.3 -2.3 1.4 1.4 1.4 1.4 0.5 0.5 0.5 0.5 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.06 MAX 1.40 MIN -2.30 FCDMC Annual Surface Water Report, Water Year 2017 Page 78 Buckeye FRS #2, ID #5208 Site Data LOCATION Located north of I-10 near Miller Road DRAINAGE AREA 5.7 mi2 Excluding structure 3 STREAM TYPE Dam of natural drainage JURISDICTION Buckeye, Arizona WATERSHED Lower Hassyampa SECTION/TOWNSHIP/RANGE S07 T1N R3W LATITUDE N 33° 26' 22.3" | +33.43954 LONGITUDE W 112° 35' 47.4" | -112.59650 STREAMGAGE INSTALLATION DATE 11/11/1992 - WY 1993 AVAILABLE PERIOD OF RECORD (POR) 11/11/1992 - Current LENGTH OF AVAILABLE POR DATA 24.89 Years | 9,090 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -1.39 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,098.17 feet NAVD 1988 POINT OF ZERO FLOW -1.54 feet Gage Height SPILLWAY ELEVATION 15.0 feet Gage Height TOP OF DAM ELEVATION 20.43 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 79 Watershed Map Buckeye #2 FRS - water year peaks Volume (acre-feet) 250 200 150 100 50 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 80 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity 07/24/2017 1.22 6.6 0.9 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 81 Buckeye FRS #2, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 4 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 4 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 2 0 0 0 7 0 0 0 0 48 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 1 0 0 0 0 7 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 4 MEAN 0 MAX 48 MIN 0 AC_FT 8 FCDMC Annual Surface Water Report, Water Year 2017 Page 82 Buckeye FRS #2, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 7 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 83 Buckeye FRS #2, stage data Depth, in feet, Water Year October 2016 to September 2017 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 -1.1 -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 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 -1.2 -1.4 -1.4 -1.4 -0.7 -1.4 -1.4 -1.4 -1.4 1.2 -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 2017 MEAN -1.39 MAX 1.22 MIN -1.39 FCDMC Annual Surface Water Report, Water Year 2017 Page 84 Buckeye FRS #3, ID #6813 Site Data LOCATION Located north of I-10 near Watson Road DRAINAGE AREA 9.3 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Buckeye, Arizona WATERSHED Lower Hassyampa SECTION/TOWNSHIP/RANGE S10 T1N R3W LATITUDE N 33° 26' 49.5" | +33.44707 LONGITUDE W 112° 33' 21.4" | -112.55593 STREAMGAGE INSTALLATION DATE 11/23/1992 - WY 1993 AVAILABLE PERIOD OF RECORD (POR) 11/23/1992 - Current LENGTH OF AVAILABLE POR DATA 24.85 Years | 9,078 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -4.08 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,151.07 Feet NAVD 1988 POINT OF ZERO FLOW -4.18 feet Gage Height SPILLWAY ELEVATION 14.00 feet Gage Height TOP OF DAM ELEVATION 20.30 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 85 Watershed Map Buckeye #3 FRS - water year peaks Volume (acre-feet) 180 160 140 120 100 80 60 40 20 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 86 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity None There were no impoundments recorded during Water Year 2016. FCDMC Annual Surface Water Report, Water Year 2017 Page 87 Buckeye FRS #3, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 88 Buckeye FRS #3, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 89 Buckeye FRS #3, stage data Depth, in feet, Water Year October 2016 to September 2017 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 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 -4.1 -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 2017 MEAN -4.08 MAX -4.08 MIN -4.08 FCDMC Annual Surface Water Report, Water Year 2017 Page 90 Bullard Wash at Indian School Road, ID #6868 Site Data LOCATION Located near Indian School Road and Wigwam Boulevard DRAINAGE AREA 14.6 mi2 STREAM TYPE Channelized natural stream JURISDICTION Goodyear, Arizona WATERSHED White Tanks A SECTION/TOWNSHIP/RANGE S29 T2N R1W LATITUDE N 33° 29' 32.7" | +33.49242 LONGITUDE W 112° 22' 54.1" | -112.38168 STREAMGAGE INSTALLATION DATE 06/27/2006 - WY 2006 AVAILABLE PERIOD OF RECORD (POR) 06/27/2006 - Current LENGTH OF AVAILABLE POR DATA 11.26 Years | 4,114 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.50 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 560 cfs | 2.68 feet | 09/27/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 91 Location Map Bullard Wash at Indian School Road - water year peaks 600 Discharge (cfs) 500 400 300 200 100 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 92 2020 WY2017 Events Date of Peak 07/16/2017 07/24/2017 07/30/2017 08/10/2017 08/11/2017 08/13/2017 Peak Gage Height 2.57 1.45 1.58 1.18 1.18 1.75 Peak Discharge (cfs) 509 161 195 105 105 237 Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency Flood Flow Frequency N=12, HEC-WRC computation (based on 12 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 108 407 768 1,260 2,150 3,000 FCDMC Annual Surface Water Report, Water Year 2017 Page 93 Bullard Wash at Indian School Road, ID #6868 Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 3 11 4 5 5 2 6 1 7 8 9 10 28 11 45 12 16 13 94 14 15 16 18 17 192 18 114 19 64 20 --21 22 23 24 71 25 47 26 27 28 29 --41 30 --161 31 --------59 -------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 766 206 0 MEAN 0 0 0 0 0 0 0 0 0 25 7 0 MAX 0 0 0 0 0 0 0 0 0 509 237 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 1519 408 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 972 MEAN 3 MAX 509 MIN 0 AC_FT 1927 FCDMC Annual Surface Water Report, Water Year 2017 Page 94 Bullard Wash at Gila River, ID #6863 Site Data LOCATION Located north of the Gila River and east of Estrella Parkway DRAINAGE AREA 44.7 mi2 STREAM TYPE Engineered Channel JURISDICTION Goodyear, Arizona WATERSHED White Tanks A SECTION/TOWNSHIP/RANGE S29 T1N R1W LATITUDE N 33° 23' 51.1" | +33.39754 LONGITUDE W 112° 23' 13.6" | -112.38712 STREAMGAGE INSTALLATION DATE 03/30/2000 - WY 2000 AVAILABLE PERIOD OF RECORD (POR) 03/30/2000 - Current LENGTH OF AVAILABLE POR DATA 17.51 Years | 6,394 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.19 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 906.50 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 347 cfs | 1.29 feet | 08/02/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 95 Location Map Bullard Wash near Gila River - water year peaks 400 Discharge (cfs) 350 300 250 200 150 100 50 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 96 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 07/24/2017 1.09 262 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 97 Bullard Wash at Gila River, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 26 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 26 0 0 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 0 0 0 0 0 0 0 262 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 51 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 26 MEAN 0 MAX 262 MIN 0 AC_FT 51 FCDMC Annual Surface Water Report, Water Year 2017 Page 98 Camelback Road at 24th Avenue Basin, ID #6807 Site Data LOCATION Near Camelback Rd and 24th Ave DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Phoenix, Arizona WATERSHED Lower ACDC SECTION/TOWNSHIP/RANGE S13 T2N R2E LATITUDE N 33° 30' 35.5" | +33.50986 LONGITUDE W 112° 06' 37.8" | -112.11050 STREAMGAGE INSTALLATION DATE 10/01/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 10/01/2015 - Current LENGTH OF AVAILABLE POR DATA 2.00 Years | 731 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.50 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 6.4 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 99 Location Map Camelback Rd at 24th Avenue Basin - water year peaks Volume (acre-feet) 8 7 6 5 4 3 2 1 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 100 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) None Hydrograph of peak WY 2017 impoundment event No impoundments were recorded during Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 101 Percent Spillway Capacity Camelback Road at 24th Avenue Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 102 Camelback Road at 24th Avenue Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 103 Camelback Road at 24th Avenue Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 3 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 8 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 9 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 10 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 11 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 12 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 13 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 14 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 15 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 16 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 17 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 18 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 19 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 20 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 21 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 22 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 23 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 24 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 25 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 26 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 27 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 28 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 29 0.5 0.5 0.5 0.5 --0.5 0.5 0.5 0.5 0.5 0.5 0.5 30 0.5 0.5 0.5 0.5 --0.5 0.5 0.5 0.5 0.5 0.5 0.5 31 0.5 --0.5 0.5 --0.5 --0.5 --0.5 0.5 -------------------------------------------------------------------------------MEAN 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 MAX 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 MIN 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.50 MAX 0.50 MIN 0.50 FCDMC Annual Surface Water Report, Water Year 2017 Page 104 CAP Reach #11 Dike #1, ID #8407 Site Data LOCATION Located on the CAP dike, about ½ mile west of Tatum Blvd. DRAINAGE AREA Undetermined STREAM TYPE Flood control dike JURISDICTION Phoenix, Arizona WATERSHED Upper Indian Bend SECTION/TOWNSHIP/RANGE S30 T4N R4E LATITUDE N 33° 39' 32.0" | +33.65890 LONGITUDE W 111° 58' 58.5" | -111.98293 STREAMGAGE INSTALLATION DATE 07/19/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 07/19/2016 - Current LENGTH OF AVAILABLE POR DATA 1.20 Years | 439 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,526.00 feet NAVD88 POINT OF ZERO FLOW 2.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 32.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 105 Watershed Map Volume (acre-feet) CAP Reach 11 Dike #1 - water year peaks 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 No impoundments recorded to date 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 106 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) No Impoundments Hydrograph of peak WY 2017 impoundment event No impoundments were recorded during Water Year 2016. FCDMC Annual Surface Water Report, Water Year 2017 Page 107 Percent Spillway Capacity CAP Reach 11 Dike #1, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 108 CAP Reach 11 Dike #1, volume data Volume, in feet, Water Year October 2015 to September 2016 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 14 0 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 14 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 109 CAP Reach 11 Dike #1, stage data Depth, in feet, Water Year October 2016 to September 2017 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 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 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 0.1 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 2017 MEAN 0.00 MAX 0.10 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 110 CAP Reach #11, Dike #2, ID #58607 Site Data LOCATION Near the 60th Street alignment with the CAP canal. DRAINAGE AREA Undetermined STREAM TYPE Flood control dike JURISDICTION Phoenix, Arizona WATERSHED Upper Indian Bend SECTION/TOWNSHIP/RANGE S33 T4N R4E LATITUDE N 33° 38' 41.9" | +33.64498 LONGITUDE W 111° 56' 50.0" | -111.94721 STREAMGAGE INSTALLATION DATE 07/19/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 07/19/2016 - Current LENGTH OF AVAILABLE POR DATA 1.20 Years | 439 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,520.50 feet NAVD88 POINT OF ZERO FLOW 2.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 32.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 111 Watershed Map Volume (acre-feet) CAP Reach 11 Dike #2 - water year peaks 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 No impoundments recorded to date 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 112 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) No Impoundments Hydrograph of peak WY 2017 impoundment event No impoundments were recorded during Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 113 Percent Spillway Capacity CAP Reach 11 Dike #2, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2 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 2017 TOTAL 0 MEAN 0 MAX 2 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 114 CAP Reach 11 Dike #2, volume data Volume, in feet, Water Year October 2015 to September 2016 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 5 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 0 435 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 435 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 115 CAP Reach 11 Dike #2, stage data Depth, in feet, Water Year October 2016 to September 2017 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 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 --28 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 30 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 0.1 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 2017 MEAN 0.00 MAX 0.15 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 116 CAP Reach #11, Dike #3, ID #60107 Site Data LOCATION Near Hayden Road and the CAP DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Scottsdale, Arizona WATERSHED Upper Indian Bend SECTION/TOWNSHIP/RANGE S01 T3N R4E LATITUDE N 33° 38' 02.9" | +33.63414 LONGITUDE W 111° 54' 02.8" | -111.90079 STREAMGAGE INSTALLATION DATE 07/19/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 07/19/2016 - Current LENGTH OF AVAILABLE POR DATA 1.20 Years | 439 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,519.60 feet NAVD88 POINT OF ZERO FLOW 2.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 29.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 117 Watershed Map Volume (acre-feet) CAP Reach 11 Dike #3 - water year peaks 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 No Impoundments recorded to date 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 118 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) No Impoundments Hydrograph of peak WY 2017 impoundment event No impoundments were recorded during Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 119 Percent Spillway Capacity CAP Reach 11 Dike #3, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 120 CAP Reach 11 Dike #3, volume data Volume, in feet, Water Year October 2015 to September 2016 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 121 CAP Reach 11 Dike #3, stage data Depth, in feet, Water Year October 2016 to September 2017 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 --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 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 -------------------------------------------------------------------------------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 2017 MEAN 0.00 MAX 0.00 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 122 CAP Reach #11, Dike #4, ID #59807 Site Data LOCATION Near the CAP and Thompson Peak Parkway DRAINAGE AREA Undetermined STREAM TYPE Flood control dike JURISDICTION Scottsdale, Arizona WATERSHED Upper Indian Bend SECTION/TOWNSHIP/RANGE S08 T3N R5E LATITUDE N 33° 37' 22.9" | +33.62304 LONGITUDE W 111° 52' 02.1" | -111.86725 STREAMGAGE INSTALLATION DATE 07/19/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 07/19/2016 - Current LENGTH OF AVAILABLE POR DATA 1.20 Years | 439 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,510.00 feet NAVD88 POINT OF ZERO FLOW 2.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 34.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 123 Watershed Map Volume (acre-feet) CAP Reach 11 Dike #4 - water year peaks 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 No impoundments recorded to date 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 124 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) No Impoundments Hydrograph of peak WY 2017 impoundment event No impoundments were recorded during Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 125 Percent Spillway Capacity CAP Reach 11 Dike #4, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 126 CAP Reach 11 Dike #4, volume data Volume, in feet, Water Year October 2015 to September 2016 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 127 CAP Reach 11 Dike #4, stage data Depth, in feet, Water Year October 2016 to September 2017 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 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 0.9 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 2017 MEAN 0.00 MAX 0.92 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 128 Casandro Wash, ID #7093 Site Data LOCATION Located near the intersection of Lazy Fox Road and US 60 DRAINAGE AREA 0.58 mi2 STREAM TYPE Culvert / Natural Stream JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S10 T7N R5W LATITUDE N 33° 57' 43.3" | +33.96204 LONGITUDE W 112° 45' 55.0" | -112.76528 STREAMGAGE INSTALLATION DATE 07/12/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 07/12/1994 - Current LENGTH OF AVAILABLE POR DATA 23.22 Years | 8,482 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.73 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,241.74 feet NAVD88 POINT OF ZERO FLOW 1.23 feet Gage Height EXTREME FOR PERIOD OF RECORD 668 cfs | 8.00 feet | 07/18/2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 129 Watershed Map Casandro Wash - water year peaks 800 Discharge (cfs) 700 600 500 400 300 200 100 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 130 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 07/15/2017 07/18/2017 08/10/2017 Peak Gage Height (feet) 1.81 2.46 2.66 Peak Discharge (cfs) 14 121 137 Hydrograph of peak WY 2017 flow event, 08/10/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 114 290 457 654 960 1,230 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 131 Casandro Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 6 11 12 13 14 15 16 17 18 3 19 20 21 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 4 6 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 1 0 0 0 0 0 121 137 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 7 12 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 10 MEAN 0 MAX 137 MIN 0 AC_FT 19 FCDMC Annual Surface Water Report, Water Year 2017 Page 132 Casandro Dam, ID #7133 Site Data LOCATION In Wickenburg north and west of US 60 and Mariposa Avenue DRAINAGE AREA 1.2 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S11 T7N R5W LATITUDE N 33° 58' 02.8" | +33.96744 LONGITUDE W 112° 44' 54.7" | -112.74853 STREAMGAGE INSTALLATION DATE 08/15/1996 - WY 1996 AVAILABLE PERIOD OF RECORD (POR) 08/15/1996 - Current LENGTH OF AVAILABLE POR DATA 21.13 Years | 7,717 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.19 feet Gage Height STAFF GAGES 5 ZERO GAGE HEIGHT ELEVATION 2,136.66 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 20.34 feet Gage Height TOP OF DAM ELEVATION 28.75 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 133 Watershed Map Casandro Wash Dam - water year peaks Volume (acre-feet) 120 100 80 60 40 20 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 134 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/18/2017 08/10/2017 Peak Gage Height (feet) 1.11 4.43 Peak Volume (ac-ft) 0.5 4.9 Percent Spillway Capacity 0.5 4.1 Hydrograph of peak WY 2017 impoundment event, 08/10/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 135 Casandro Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 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 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 3 12 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 6 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 3 MEAN 0 MAX 12 MIN 0 AC_FT 6 FCDMC Annual Surface Water Report, Water Year 2017 Page 136 Casandro Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 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 5 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 5 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 137 Casandro Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 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 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 0.9 0.2 11 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 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 0.3 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 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 -------------------------------------------------------------------------------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 1.1 4.4 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 2017 MEAN 0.19 MAX 4.43 MIN 0.19 FCDMC Annual Surface Water Report, Water Year 2017 Page 138 Cave Buttes Dam Pool, ID #4904 Site Data LOCATION Located about 1 mile west of Cave Creek Road and 1/2 mile south of Jomax Road DRAINAGE AREA 191 mi2 STREAM TYPE Dam on natural drainage JURISDICTION Phoenix, Arizona WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S03 T4N R3E LATITUDE N 33° 43' 01.3" | +33.71702 LONGITUDE W 112° 02' 40.2" | -112.04451 STREAMGAGE INSTALLATION DATE 01/25/1984 - WY 1984 AVAILABLE PERIOD OF RECORD (POR) 10/01/1987 - Current LENGTH OF AVAILABLE POR DATA 30.00 Years | 10,958 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.90 feet Gage Height STAFF GAGES 24 ZERO GAGE HEIGHT ELEVATION 1,562.00 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 97.1 feet Gage Height TOP OF DAM ELEVATION 119.1 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 139 Watershed Map Volume (acre-feet) Cave Buttes Dam Pool - water year peaks 20,000 18,000 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 140 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/21/2017 03/01/2017 Peak Gage Height (feet) 2.76 5.71 16.19 18.87 Peak Volume (ac-ft) 0.0 2.1 216.4 374.5 Percent Spillway Capacity 0.0 0.0 0.5 0.8 Hydrograph of peak WY 2017 impoundment event, 03/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 141 Cave Buttes Dam Pool, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 217 2 61 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 108 22 75 23 24 25 26 27 28 31 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 6 1 9 0 0 0 0 0 0 MAX 0 0 0 216 110 375 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 1 MAX 375 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 142 Cave Buttes Dam Pool, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.9 1.9 1.9 2.7 1.9 16.0 1.9 1.9 1.9 1.9 1.9 1.9 2 1.9 1.9 1.9 1.9 1.9 8.6 1.9 1.9 1.9 1.9 1.9 1.9 3 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 4 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 5 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 6 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 7 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 8 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 10 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 11 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 12 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 13 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 14 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 15 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 16 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 17 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 18 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 19 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 20 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 21 1.9 1.9 1.9 10.7 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 22 1.9 1.9 2.1 10.4 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 23 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 24 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 25 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 26 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 27 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 28 1.9 1.9 1.9 1.9 6.7 1.9 1.9 1.9 1.9 1.9 1.9 1.9 29 1.9 1.9 1.9 1.9 --1.9 1.9 1.9 1.9 1.9 1.9 1.9 30 1.9 1.9 1.9 1.9 --1.9 1.9 1.9 1.9 1.9 1.9 1.9 31 1.9 --1.9 1.9 --1.9 --1.9 --1.9 1.9 -------------------------------------------------------------------------------MEAN 1.9 1.9 1.9 2.5 2.1 2.6 1.9 1.9 1.9 1.9 1.9 1.9 MAX 1.9 2.0 2.8 16.2 13.8 18.9 1.9 1.9 1.9 1.9 1.9 1.9 MIN 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 -----------------------------------------------------------------------------WTR YR 2017 MEAN 2.02 MAX 18.87 MIN 1.90 FCDMC Annual Surface Water Report, Water Year 2017 Page 143 Cave Buttes Dam Outlet, ID #4903 Site Data LOCATION Located about 1 mile west of Cave Creek Road and 1/2 mile south of Jomax Road DRAINAGE AREA 191 mi2 STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S03 T4N R3E LATITUDE N 33° 43' 01.3" | +33.71702 LONGITUDE W 112° 02' 40.2" | -112.04451 STREAMGAGE INSTALLATION DATE 01/25/1984 - WY 1984 AVAILABLE PERIOD OF RECORD (POR) 07/30/1992 - Current LENGTH OF AVAILABLE POR DATA 25.17 Years | 9,194 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.33 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,558.80 feet NAVD88 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 418 cfs | 5.19 feet | 01/11/1993 FCDMC Annual Surface Water Report, Water Year 2017 Page 144 Watershed Map Cave Buttes Dam Outlet - water year peaks 450 Discharge (cfs) 400 350 300 250 200 150 100 50 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 145 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/21/2017 03/01/2017 Peak Gage Height 3.21 3.55 4.30 4.46 Peak Discharge (cfs) 109 142 231 255 Hydrograph of peak WY 2017 flow event, 03/01/2017 Flood Flow Frequency Flows past this gage are regulated by Cave Buttes Dam directly upstream. Flood Flow Frequency is therefore not valid. FCDMC Annual Surface Water Report, Water Year 2017 Page 146 Cave Buttes Dam Outlet, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 36 245 2 122 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 160 22 21 153 23 24 25 26 27 28 110 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 21 349 110 367 0 0 0 0 0 0 MEAN 0 0 1 11 4 12 0 0 0 0 0 0 MAX 0 0 109 231 242 250 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 42 693 218 727 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 847 MEAN 2 MAX 255 MIN 0 AC_FT 1680 FCDMC Annual Surface Water Report, Water Year 2017 Page 147 Cave Creek at Ashdale RS, ID #4947 Site Data LOCATION About 1 mile west of the Seven Springs Campgrounds DRAINAGE AREA 33 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S07 T7N R5E LATITUDE N 33° 57' 44.2" | +33.96228 LONGITUDE W 111° 52' 33.8" | -111.87605 STREAMGAGE INSTALLATION DATE 02/25/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 02/25/2009 - Present LENGTH OF AVAILABLE POR DATA 8.60 Years | 3,140 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.20 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 3,250.00 feet NGVD 1929 POINT OF ZERO FLOW 0.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 8,735 cfs | 11.24 feet GH | 08/19/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 148 Watershed Map Discharge (cfs) Cave Creek at Ashdale RS - water year peaks 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 149 2020 WY2017 Events Date of Peak 01/01/2017 01/21/2017 01/24/2017 02/19/2017 02/28/2017 07/18/2017 Peak Gage Height 2.09 6.30 1.46 2.34 6.77 2.56 Peak Discharge (cfs) 255 1,448 28 344 1,702 390 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 150 Cave Creek at Ashdale RS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 25 4 2 3 1 4 1 5 1 6 2 7 8 1 1 9 1 10 1 11 1 12 1 13 1 14 15 16 17 1 18 1 20 1 19 151 1 1 20 139 2 1 21 375 1 22 1 1 23 2 1 24 7 1 1 25 1 26 1 1 1 27 7 1 1 1 28 532 1 1 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 550 692 4 0 13 0 31 13 0 MEAN 0 0 0 18 25 0 0 0 0 1 0 0 MAX 0 0 0 1448 1702 10 0 3 0 390 3 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 1090 1373 7 0 26 0 61 25 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1302 MEAN 4 MAX 1702 MIN 0 AC_FT 2583 FCDMC Annual Surface Water Report, Water Year 2017 Page 151 Cave Creek at Spur Cross, ID #4923 Site Data LOCATION Near the Spur Cross Conservation Area DRAINAGE AREA 72.9 mi2 STREAM TYPE Natural Stream JURISDICTION Cave Creek, Arizona WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S04 T6N R4E LATITUDE N 33° 53' 16.6" | +33.88793 LONGITUDE W 111° 57' 12.8" | -111.95355 STREAMGAGE INSTALLATION DATE 06/16/1993 - WY 1993 AVAILABLE PERIOD OF RECORD (POR) 06/16/1993 - Current LENGTH OF AVAILABLE POR DATA 24.29 Years | 8,873 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.37 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 2.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 14,000 cfs | 16.40 feet | 09/03/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 152 Watershed Map Cave Creek near Spur Cross - water year peaks 16,000 Discharge (cfs) 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 153 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/21/2017 02/19/2017 02/28/2017 Peak Gage Height (feet) 7.78 4.90 7.63 Peak Discharge (cfs) 1,827 272 1,720 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency Flood Flow Frequency N=37, HEC-WRC computation (based on 37 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 870 3,260 6,380 11,000 20,300 30,200 FCDMC Annual Surface Water Report, Water Year 2017 Page 154 Cave Creek at Spur Cross, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --1 4 5 2 --2 8 3 2 --3 9 3 2 4 4 3 2 --5 3 2 6 3 --7 3 1 2 8 2 --2 9 2 4 2 10 2 6 ----11 2 6 ----12 2 5 1 --13 --2 --1 --14 --2 5 1 --15 --2 5 1 --16 2 5 1 17 2 4 1 18 3 4 1 19 --122 4 1 20 13 52 --1 21 --556 26 4 --22 1 46 17 3 1 23 24 14 4 1 24 --1 40 11 4 --25 22 9 --26 16 8 3 27 14 9 3 28 --10 318 3 29 8 --3 30 ----3 31 --1 5 ---------------------------------------------------------------------------------------TOTAL 0 0 3 783 631 103 36 0 0 1 1 0 MEAN 0 0 0 25 23 3 1 0 0 0 0 0 MAX 0 0 15 1827 1720 17 3 0 0 0 0 0 MIN 0 0 0 0 2 0 0 0 0 0 0 0 AC_FT 0 0 6 1554 1252 205 71 0 0 1 1 1 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1558 MEAN 4 MAX 1827 MIN 0 AC_FT 3091 FCDMC Annual Surface Water Report, Water Year 2017 Page 155 Cave Creek, ID #4893 Site Data LOCATION In Cave Creek near Rancho Manana DRAINAGE AREA 115.8 mi2 STREAM TYPE Natural Stream JURISDICTION Cave Creek, Arizona WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S29 T6N R4E LATITUDE N 33° 49' 48.9" | +33.83024 LONGITUDE W 111° 58' 04.0" | -111.96778 STREAMGAGE INSTALLATION DATE 05/28/2003 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 05/28/2003 - Current LENGTH OF AVAILABLE POR DATA 14.35 Years | 5,240 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.25 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,989.89 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD 17,190 cfs | 12.75 feet | 08/19/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 156 Watershed Map Discharge (cfs) Cave Creek - water year peaks 20,000 18,000 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 157 2010 Water Year 2015 2020 WY2017 Events Date of Peak 01/21/2017 02/28/2017 Peak Gage Height (feet) 5.17 6.05 Peak Discharge (cfs) 998 2,138 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flood Flow Frequency N=15, HEC-WRC computation (based on 15 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 2,030 6,130 11,000 17,700 30,400 43,700 FCDMC Annual Surface Water Report, Water Year 2017 Page 158 Cave Creek, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 21 2 8 3 4 4 4 5 4 6 3 7 3 8 3 9 2 10 2 11 1 12 1 13 1 14 1 15 16 1 17 18 19 40 20 2 13 21 223 6 22 1 8 4 23 4 3 24 5 1 25 3 26 2 27 1 1 28 282 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 1 248 350 60 0 0 0 0 0 0 MEAN 0 0 0 8 12 2 0 0 0 0 0 0 MAX 0 0 13 998 2138 17 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 0 2 493 693 119 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 660 MEAN 2 MAX 2138 MIN 0 AC_FT 1308 FCDMC Annual Surface Water Report, Water Year 2017 Page 159 Cave Creek near Cave Creek, ID #4918 Site Data LOCATION About 1 mile south of Carefree Highway DRAINAGE AREA 123.4 mi2 STREAM TYPE Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S12 T5N R3E LATITUDE N 33° 47' 09.0" | +33.78582 LONGITUDE W 112° 00' 26.1" | -112.00726 STREAMGAGE INSTALLATION DATE 05/27/1994 - WY 1994 (USGS gaged since 1958) AVAILABLE PERIOD OF RECORD (POR) 05/27/1994 - Current LENGTH OF AVAILABLE POR DATA 23.35 Years | 8,528 Days DATA GAPS IN POR 11/30/2009 - 06/16/2010 | 09/08/2013 10/28/2013 STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,802.15 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD (FCD) 15,850 cfs | 10.65 feet | 08/19/2014 EXTREME FOR PERIOD OF RECORD (USGS) 13,800 cfs | 10.7 feet | 01/08/1993 FCDMC Annual Surface Water Report, Water Year 2017 Page 160 Watershed Map Cave Creek near Cave Creek ‐ water year peaks 18,000 16,000 Discharge (cfs) 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 161 WY2017 Events Date of Peak 01/21/2017 02/19/2017 02/28/2017 Peak Gage Height (feet) 3.10 1.15 3.64 Peak Discharge (cfs) 1,206 215 1,659 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flood Flow Frequency N=59, HEC-WRC computation (based on 59 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,200 3,940 7,200 11,700 20,100 28,600 FCDMC Annual Surface Water Report, Water Year 2017 Page 162 Cave Creek near Cave Creek, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 22 20 21 300 22 23 24 25 26 27 28 357 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 300 379 0 0 0 0 0 0 0 MEAN 0 0 0 10 14 0 0 0 0 0 0 0 MAX 0 0 0 1206 1659 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 595 751 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 679 MEAN 2 MAX 1659 MIN 0 AC_FT 1346 FCDMC Annual Surface Water Report, Water Year 2017 Page 163 Cave Creek at CAP, ID #4907 Site Data LOCATION Located about 1 mile downstream of Cave Buttes Dam DRAINAGE AREA 198 mi2 STREAM TYPE Concrete Overchute JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S16 T4N R3E LATITUDE N 33° 41' 38.0" | +33.69389 LONGITUDE W 112° 03' 04.0" | -112.05111 STREAMGAGE INSTALLATION DATE 04/14/2014 - WY 2014 AVAILABLE PERIOD OF RECORD (POR) 04/14/2014 - Current LENGTH OF AVAILABLE POR DATA 3.47 Years | 1,266 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 1,505.66 feet NGVD29 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 438 cfs | 0.92 feet | 08/20/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 164 Watershed Map Discharge (cfs) Cave Creek at CAP - water year peaks 500 450 400 350 300 250 200 150 100 50 0 2010 2012 FCDMC Annual Surface Water Report, Water Year 2017 Page 165 2014 2016 Water Year 2018 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/21/2017 02/28/2017 Peak Gage Height 0.36 0.54 0.71 0.71 Peak Discharge (cfs) 108 205 304 304 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 166 Cave Creek at CAP, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 46 282 2 168 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 169 22 16 198 23 7 24 25 26 27 28 104 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 24 413 104 450 0 0 0 0 0 0 MEAN 0 0 1 13 4 15 0 0 0 0 0 0 MAX 0 0 108 304 304 304 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 47 819 207 893 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 991 MEAN 3 MAX 304 MIN 0 AC_FT 1966 FCDMC Annual Surface Water Report, Water Year 2017 Page 167 Cave Creek at Cactus Road – ID #4833 Site Data LOCATION Near Cactus Road and 25th Avenue DRAINAGE AREA 33.6 mi2 below Cave Buttes Dam STREAM TYPE Basin / Outlet / Weir JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S13 T3N R2E LATITUDE N 33° 35' 58.9" | +33.59969 LONGITUDE W 112° 06' 43.2" | -112.11201 STREAMGAGE INSTALLATION DATE 06/27/1991 - WY 1991 AVAILABLE PERIOD OF RECORD (POR) 06/27/1991 - Current LENGTH OF AVAILABLE POR DATA 26.26 Years | 9,593 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.80 feet Gage Height STAFF GAGES 2 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 3,247 cfs | 12.85 feet | 08/03/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 168 Watershed Map Cave Creek at Cactus - water year peaks 3,500 Discharge (cfs) 3,000 2,500 2,000 1,500 1,000 500 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 169 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/24/2016 12/31/2016 01/01/2017 01/21/2017 01/22/2017 02/19/2017 02/28/2017 03/02/2017 08/24/2017 Peak Gage Height (feet) 7.35 2.81 2.21 4.13 3.01 5.60 2.96 4.48 8.64 1.82 Peak Discharge (cfs) 197 67 43 119 75 160 73 130 223 31 Hydrograph of peak WY 2017 flow event, 03/02/2017 Flood Flow Frequency Flood Flow Frequency N=26, HEC-WRC computation (based on 26 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 479 1,080 1,690 2,470 3,820 5,140 FCDMC Annual Surface Water Report, Water Year 2017 Page 170 Cave Creek at Cactus Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 69 132 2 53 220 3 20 150 4 70 5 30 6 3 7 8 9 10 11 12 13 14 15 16 17 18 19 59 20 3 16 21 27 22 109 108 23 28 94 24 14 60 9 25 28 1 26 1 27 1 28 78 1 29 --30 --31 --23 -------------------------------------------------------------------------------------TOTAL 0 0 201 434 153 604 0 0 0 0 14 0 MEAN 0 0 6 14 5 19 0 0 0 0 0 0 MAX 0 0 197 160 130 223 0 0 0 0 31 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 399 860 303 1199 0 0 0 0 28 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1406 MEAN 4 MAX 223 MIN 0 AC_FT 2789 FCDMC Annual Surface Water Report, Water Year 2017 Page 171 Centennial Wash near Aguila, ID #5178 Site Data LOCATION Along the Arizona and California Railroad east of SR 71 DRAINAGE AREA Undetermined STREAM TYPE Levee on natural drainage JURISDICTION Maricopa County, Arizona WATERSHED Upper Centennial SECTION/TOWNSHIP/RANGE S11 T7N R8W LATITUDE N 33° 58' 00.3" | +33.96675 LONGITUDE W 113° 04' 07.9" | -113.06887 STREAMGAGE INSTALLATION DATE 06/05/2001 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 06/05/2001 - Current LENGTH OF AVAILABLE POR DATA 16.32 Years | 5,962 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 2,272.84 feet NAVD 1988 POINT OF ZERO FLOW -0.5 feet Gage Height EXTREME FOR PERIOD OF RECORD 606 cfs | 3.37 feet | 01/21/2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 172 Watershed Map Centennial Wash near Aguila - water year peaks 700 Discharge (cfs) 600 500 400 300 200 100 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 173 2010 Water Years 2015 2020 WY2017 Events Date of Peak 01/20/2017 02/28/2017 07/18/2017 Peak Gage Height 0.53 0.48 0.66 Peak Discharge (cfs) 22 19 29 Hydrograph of peak WY 2017 flow event, 07/18/2017 Flood Flow Frequency Flood Flow Frequency N=17, HEC-WRC computation (based on 17 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 27 146 339 663 1,370 2,200 FCDMC Annual Surface Water Report, Water Year 2017 Page 174 Centennial Wash near Aguila, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 3 19 20 1 21 2 22 23 24 25 26 27 28 13 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 2 13 0 0 0 0 3 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 22 19 0 0 0 0 29 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 5 25 0 0 0 0 6 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 18 MEAN 0 MAX 29 MIN 0 AC_FT 36 FCDMC Annual Surface Water Report, Water Year 2017 Page 175 Centennial Wash at Wenden, ID #5093 Site Data LOCATION In La Paz County on the eastern side of Wenden DRAINAGE AREA 586 mi2 STREAM TYPE Natural Stream JURISDICTION La Paz County WATERSHED Upper Centennial SECTION/TOWNSHIP/RANGE S32 T6N R12W LATITUDE N 33° 49' 27.2" | +33.82423 LONGITUDE W 113° 32' 01.3" | -113.53368 STREAMGAGE INSTALLATION DATE 09/16/1998 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 09/16/1998 - Current LENGTH OF AVAILABLE POR DATA 19.04 Years | 6,955 Days DATA GAPS IN POR 12/01/2002 - 07/07/2004 STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,858.64 feet NAVD 1988 POINT OF ZERO FLOW -1.7 feet Gage Height EXTREME FOR PERIOD OF RECORD 24,250 cfs | 7.82 feet | 10/22/2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 176 Watershed Map Centennial Wash at Wenden - water year peaks 30,000 Discharge (cfs) 25,000 20,000 15,000 10,000 5,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 177 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 01/01/2017 01/22/2017 Peak Gage Height (feet) 2.95 1.65 Peak Discharge (cfs) 1,637 430 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency Flood Flow Frequency N=19, HEC-WRC computation (based on 19 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,330 6,490 13,600 23,900 43,100 62,200 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 178 Centennial Wash at Wenden, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1096 8 2 1134 1 16 3 83 4 15 4 3 13 5 2 13 6 1 13 7 1 13 8 10 9 8 10 11 12 13 --14 --15 16 2 17 4 18 --9 19 12 20 12 21 23 12 22 --166 11 23 --12 22 24 --30 25 28 26 26 27 27 28 --20 29 ----30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 2513 230 109 0 0 0 0 0 0 MEAN 0 0 0 81 8 4 0 0 0 0 0 0 MAX 0 0 0 1637 74 23 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 4985 455 217 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2852 MEAN 8 MAX 1637 MIN 0 AC_FT 5658 FCDMC Annual Surface Water Report, Water Year 2017 Page 179 Centennial Levee, ID #5123 Site Data LOCATION Located in western Maricopa County, southwest of Salome Road and I-10 DRAINAGE AREA 20 mi2 STREAM TYPE Levee on natural drainage JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S17 T2N R10W LATITUDE N 33° 31' 09.9" | +33.51942 LONGITUDE W 113° 15' 37.8" | -113.26049 STREAMGAGE INSTALLATION DATE 07/09/2003 - WY 2003 AVAILABLE PERIOD OF RECORD (POR) 07/09/2003 - Current LENGTH OF AVAILABLE POR DATA 14.23 Years | 5,198 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.65 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,261.00 feet NAVD 1988 POINT OF ZERO FLOW 0.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,000 cfs | 4.50 feet | 09/09/2013 FCDMC Annual Surface Water Report, Water Year 2017 Page 180 Watershed Map Centennial Levee - water year peaks 1,200 Axis Title 1,000 800 600 400 200 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 181 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 07/16/2017 1.78 69 Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 182 Centennial Levee, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2 16 25 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 27 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 69 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 54 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 27 MEAN 0 MAX 69 MIN 0 AC_FT 54 FCDMC Annual Surface Water Report, Water Year 2017 Page 183 Centennial Wash at SPRR, ID #5103 Site Data LOCATION Located about 6 miles west of Arlington DRAINAGE AREA 1,817 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S28 T1S R6W LATITUDE N 33° 18' 35.6" | +33.30986 LONGITUDE W 112° 52' 58.4" | -112.88289 STREAMGAGE INSTALLATION DATE 02/09/1990 - WY 1990 AVAILABLE PERIOD OF RECORD (POR) 02/09/1990 - Current LENGTH OF AVAILABLE POR DATA 27.64 Years | 10,096 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 3.16 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 839.44 feet NAVD 1988 POINT OF ZERO FLOW 2.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 9,616 cfs | 9.10 feet | 02/08/1993 EXTREME OUTSIDE PERIOD OF RECORD 15,600 cfs | 09/02/1984 FCDMC Annual Surface Water Report, Water Year 2017 Page 184 Watershed Map Centennial at UPRR - water year peaks 12,000 Discharge (cfs) 10,000 8,000 6,000 4,000 2,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 185 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 07/24/2017 07/30/2017 08/04/2017 09/072017 Peak Gage Height (feet) 7.02 5.82 5.74 5.72 Peak Discharge (cfs) 755 258 234 227 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=28, HEC-WRC computation (based on 28 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,130 4,190 7,770 12,500 20,600 28,200 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 186 Centennial Wash at SPRR, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 64 5 2 6 7 8 8 45 9 10 11 12 --13 --14 --15 --16 --17 18 19 20 21 22 23 24 262 25 57 26 27 28 29 --30 --58 31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 378 65 53 MEAN 0 0 0 0 0 0 0 0 0 12 2 2 MAX 0 0 0 0 0 0 0 0 0 755 234 227 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 750 130 104 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 496 MEAN 1 MAX 755 MIN 0 AC_FT 984 FCDMC Annual Surface Water Report, Water Year 2017 Page 187 Centennial Tributary at Dobbins Road, ID #5049 Site Data LOCATION Located near the intersection of Dobbins Road and 435th Avenue DRAINAGE AREA 2.47 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S05 T1S R7W LATITUDE N 33° 21' 49.1" | +33.36364 LONGITUDE W 112° 59' 35.6" | -112.99321 STREAMGAGE INSTALLATION DATE 09/26/2012 - WY 2012 AVAILABLE PERIOD OF RECORD (POR) 10/01/2012 - Current LENGTH OF AVAILABLE POR DATA 5.00 Years | 1,826 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.20 feet Gage Height STAFF GAGES None CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 269 cfs | 2.82 feet | 03/01/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 188 Watershed Map Centennial Tributary at Dobbins Road - water year peaks 300 Discharge (cfs) 250 200 150 100 50 0 2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 189 2015 Water Year 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 07/29/2017 1.60 52 Hydrograph of peak WY 2017 flow event, 07/29/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 190 Centennial Tributary at Dobbins Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 5 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 --1 30 ----31 ---------------------------------------------------------------------------------------TOTAL 0 0 5 0 0 0 0 0 0 1 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 21 0 0 0 0 0 0 52 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 10 0 0 0 0 0 0 2 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 6 MEAN 0 MAX 52 MIN 0 AC_FT 13 FCDMC Annual Surface Water Report, Water Year 2017 Page 191 Cline Creek, ID #5583 Site Data LOCATION Located about 1 mile north of Circle Mountain Road just off 12th Street DRAINAGE AREA 10.8 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S33 T7N R3E LATITUDE N 33° 54' 03.5" | +33.90097 LONGITUDE W 112° 03' 17.9" | -112.05497 STREAMGAGE INSTALLATION DATE 11/20/2001 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 11/20/2001 - Current LENGTH OF AVAILABLE POR DATA 15.86 Years | 5,794 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.95 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,171.07 feet NAVD 1988 POINT OF ZERO FLOW -0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,850 cfs | 8.15 feet | 08/19/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 192 Watershed Map Cline Creek - water year peaks 7,000 Discharge (cfs) 6,000 5,000 4,000 3,000 2,000 1,000 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 193 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/26/2016 01/01/2017 01/21/2017 02/28/2017 08/03/2017 Peak Gage Height (feet) 2.79 2.17 2.91 1.77 2.22 1.07 Peak Discharge (cfs) 458 262 497 163 276 53 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency Flood Flow Frequency N=16, HEC-WRC computation (based on 16 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 172 998 2,350 4,600 9,480 15,000 NOTE(1): These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 194 Cline Creek, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 33 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 19 21 37 22 17 23 24 25 26 17 27 13 28 84 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 34 88 97 0 0 0 0 0 0 0 MEAN 0 0 1 3 3 0 0 0 0 0 0 0 MAX 0 0 458 497 276 0 0 0 0 0 53 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 68 175 193 0 0 0 0 0 1 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 220 MEAN 1 MAX 497 MIN 0 AC_FT 437 FCDMC Annual Surface Water Report, Water Year 2017 Page 195 Colter Channel, ID #5408 Site Data LOCATION Located on El Mirage Road north of Camelback Road DRAINAGE AREA 3.5 mi2 STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED White Tanks A SECTION/TOWNSHIP/RANGE S13 T2N R1W LATITUDE N 33° 30' 41.1" | +33.51141 LONGITUDE W 112° 19' 25.6" | -112.32376 ARIZONA STATE PLANE E 575915 | N 913851 USGS QUAD SHEET El Mirage 7.5-Minute STREAMGAGE INSTALLATION DATE 06/29/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 06/29/1994 - Current LENGTH OF AVAILABLE POR DATA 23.26 Years | 8,495 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 158 cfs | 1.52 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 196 Watershed Map Colter Channel at El Mirage Road - water year peaks 180 Discharge (cfs) 160 140 120 100 80 60 40 20 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 197 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 10/02/2016 12/22/2016 01/01/2017 01/20/2017 02/27/2017 07/17/2017 07/24/2017 08/12/2017 Peak Gage Height (feet) 0.39 0.72 0.39 0.54 0.39 1.47 0.44 0.57 Peak Discharge (cfs) 21 36 21 28 21 141 24 30 Hydrograph of peak WY 2017 flow event, 07/17/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 45 76 103 134 182 225 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 198 Colter Channel, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 3 2 2 3 4 5 6 7 8 9 10 11 12 3 13 14 15 16 4 17 29 18 4 19 20 8 21 2 22 6 23 24 4 25 12 26 4 27 2 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 2 0 6 13 2 0 16 0 0 41 3 0 MEAN 0 0 0 0 0 0 1 0 0 1 0 0 MAX 21 0 36 33 21 0 132 0 0 141 30 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 3 0 13 25 5 0 32 0 0 81 5 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 82 MEAN 0 MAX 141 MIN 0 AC_FT 163 FCDMC Annual Surface Water Report, Water Year 2017 Page 199 Columbus Wash – ID #5013 Site Data LOCATION Located at the east edge of Yuma County in the Hyder Valley DRAINAGE AREA 25.4 mi2 STREAM TYPE Encroached Natural Stream JURISDICTION Yuma County, Arizona WATERSHED Lower Gila SECTION/TOWNSHIP/RANGE S06 T4S R10W LATITUDE N 33° 06' 45.7" | +33.11268 LONGITUDE W 113° 20' 22.1" | -113.33946 STREAMGAGE INSTALLATION DATE 09/22/1999 - WY 1999 AVAILABLE PERIOD OF RECORD (POR) 09/22/1999 - Current LENGTH OF AVAILABLE POR DATA 18.03 Years | 6,584 Days DATA GAPS IN POR 12/18/2012 - 01/07/2013 STAGE GAGE ELEVATION 2.50 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 700.00 feet NAVD 1988 POINT OF ZERO FLOW 1.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 615 cfs | 2.45 feet | 09/04/2012 FCDMC Annual Surface Water Report, Water Year 2017 Page 200 Watershed Map Columbus Wash - water year peaks 700 Discharge (cfs) 600 500 400 300 200 100 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 201 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) No Runof Events Hydrograph of peak WY 2017 flow event There were no runoff events during Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 202 Columbus Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 69 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 2017 TOTAL 0 MEAN 0 MAX 69 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 203 Copper Wash, ID #5033 Site Data LOCATION Located in western Maricopa County near the Hyder Valley DRAINAGE AREA 6.6 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Gila SECTION/TOWNSHIP/RANGE S33 T2S R10W LATITUDE N 33° 12' 20.0" | +33.20557 LONGITUDE W 113° 17' 05.4" | -113.28483 STREAMGAGE INSTALLATION DATE 02/20/2001 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 02/20/2001 - Current LENGTH OF AVAILABLE POR DATA 16.61 Years | 6,067 Days DATA GAPS IN POR 08/27/2003 - 09/04/2003 STAGE GAGE ELEVATION 0.80 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,064.00 feet NAVD 1988 POINT OF ZERO FLOW 0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 3,780 cfs | 5.69 feet | 08/27/2003 FCDMC Annual Surface Water Report, Water Year 2017 Page 204 Watershed Map Copper Wash - water year peaks 4,000 Discharge (cfs) 3,500 3,000 2,500 2,000 1,500 1,000 500 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 205 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 07/24/2017 1.98 225 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=17, HEC-WRC computation (based on 17 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 88 275 522 911 1,760 2,770 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 206 Copper Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 5 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 5 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 225 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 10 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 5 MEAN 0 MAX 225 MIN 0 AC_FT 10 FCDMC Annual Surface Water Report, Water Year 2017 Page 207 Crossroads Park Basin, ID #6623 Site Data LOCATION Near Greenfield and Ray Roads DRAINAGE AREA 15.7 mi2 STREAM TYPE Flood control basin JURISDICTION Gilbert, Arizona WATERSHED Lower East Maricopa Floodway SECTION/TOWNSHIP/RANGE S21 T1S R6E LATITUDE N 33° 19' 39.7" | +33.32770 LONGITUDE W 111° 44' 47.9" | -111.74665 STREAMGAGE INSTALLATION DATE 12/18/1995 - WY 1996 AVAILABLE PERIOD OF RECORD (POR) 12/18/1995 - Current LENGTH OF AVAILABLE POR DATA 21.79 Years | 7,958 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 1.33 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,246.67 feet M.S.L. POINT OF ZERO FLOW None - Pump Control SPILLWAY CREST ELEVATION None TOP OF BASIN ELEVATION 23.3 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 208 Location Map Crossroads Park Basin - water year peaks Volume (acre-feet) 40 35 30 25 20 15 10 5 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 209 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity No impoundments Hydrograph of peak WY 2017 impoundment event There were no impoundments above the base lake level recorded in Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 210 Crossroads Park, volume data Volume, in acre-feet, Water Year October 2015 to September 2016 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 211 Crossroads Park Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 2 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 3 1.3 1.3 1.3 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 1.3 1.3 8 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 9 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 10 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 11 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 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 1.3 1.3 1.3 14 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 15 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 16 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 17 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 18 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 19 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 20 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 21 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 22 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 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 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 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 1.3 27 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 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 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 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 MAX 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 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 2017 MEAN 1.33 MAX 1.33 MIN 1.33 FCDMC Annual Surface Water Report, Water Year 2017 Page 212 Cruff Wash, ID #5078 Site Data LOCATION Located about 7 miles west of Old US80 south of Agua Caliente Road DRAINAGE AREA 13.2 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S20 T2S R6W LATITUDE N 33° 15' 04.0" | +33.25111 LONGITUDE W 112° 52' 54.5" | -112.88180 STREAMGAGE INSTALLATION DATE 05/14/2002 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 05/14/2002 - Current LENGTH OF AVAILABLE POR DATA 15.38 Years | 5,619 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.33 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 937.91 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,550 cfs | 4.14 feet | 07/29/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 213 Watershed Map Cruff Wash - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 214 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/18/2017 07/29/2017 Peak Gage Height (feet) 2.04 4.14 Peak Discharge (cfs) 60 1,550 Hydrograph of peak WY 2017 flow event Gage failed to record the peak for this event. The peak stage was recovered from high water marks and the crest-stage gage reading. Flood Flow Frequency Flood Flow Frequency N=16, HEC-WRC computation (based on 16 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 412 902 1,300 1,730 2,330 2,800 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 215 Cruff Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 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 2017 TOTAL 0 MEAN 0 MAX 1 MIN 0 AC_FT 0 NOTE: Gage failed during the event of July 29, 2017, and is not reflected in this table. FCDMC Annual Surface Water Report, Water Year 2017 Page 216 Daggs Wash, ID #5498 Site Data LOCATION Near 307th Avenue and Peak View Road DRAINAGE AREA 13.3 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S25 T5N R5W LATITUDE N 33° 44' 45.2" | +33.74590 LONGITUDE W 112° 43' 30.2" | -112.72506 STREAMGAGE INSTALLATION DATE 11/08/2007 - WY 2008 AVAILABLE PERIOD OF RECORD (POR) 11/08/2007 - Current LENGTH OF AVAILABLE POR DATA 9.90 Years | 3,615 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.15 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,668.62 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 617 cfs | 2.10 feet Gage Height | 08/19/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 217 Watershed Maps Daggs Wash - water year peaks 700 Discharge (cfs) 600 500 400 300 200 100 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 218 2020 WY2017 Events Date of Peak 10/13/2016 01/01/2017 01/20/2017 01/21/2017 Peak Gage Height 0.90 1.00 0.38 0.63 Peak Discharge (cfs) 193 228 47 109 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 219 Daggs Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 15 2 3 4 5 6 7 8 9 10 11 12 13 13 14 15 16 17 18 19 20 2 21 6 22 23 24 25 26 27 28 29 ----30 --31 ---------------------------------------------------------------------------------------TOTAL 13 0 0 24 0 0 0 0 0 0 0 0 MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 193 0 0 228 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 25 0 0 47 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 36 MEAN 0 MAX 228 MIN 0 AC_FT 72 FCDMC Annual Surface Water Report, Water Year 2017 Page 220 Delaney Wash – ID #5108 Site Data LOCATION Near Salome Road and 427th Avenue DRAINAGE AREA 49 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S34 T2N R7W LATITUDE N 33° 28' 08.3" | +33.46897 LONGITUDE W 112° 58' 10.4" | -112.96955 STREAMGAGE INSTALLATION DATE 12/22/1999 - WY 2000 AVAILABLE PERIOD OF RECORD (POR) 12/22/1999 - Current LENGTH OF AVAILABLE POR DATA 17.78 Years | 6,493 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.11 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,112.03 feet NAVD 1988 POINT OF ZERO FLOW 0.2 feet Gage Height EXTREME FOR PERIOD OF RECORD 2,800 cfs | 8.06 feet | 09/09/2013 FCDMC Annual Surface Water Report, Water Year 2017 Page 221 Watershed Map Delaney Wash - water year peaks 3,000 Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 222 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/24/2017 08/01/2017 08/03/2017 08/03/2017 09/07/2017 Peak Gage Height (feet) 5.85 1.79 1.89 2.43 2.23 Peak Discharge (cfs) 1,310 96 114 247 195 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=18, HEC-WRC computation (based on 18 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 570 1,090 1,450 1,930 2,680 3,340 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 223 Delaney Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 3 38 4 20 5 6 7 8 8 9 10 11 12 13 14 15 16 17 --18 19 20 21 22 23 24 48 25 27 26 3 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 29 0 0 48 60 8 MEAN 0 0 0 0 0 0 1 0 0 2 2 0 MAX 0 0 0 0 0 0 1309 0 0 1310 247 195 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 58 0 0 95 119 15 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 145 MEAN 0 MAX 1310 MIN 0 AC_FT 287 FCDMC Annual Surface Water Report, Water Year 2017 Page 224 Desert Hills Wash, ID #4898 Site Data LOCATION Located west of 16th Street, on Joy Ranch Road DRAINAGE AREA 1.0 mi2 STREAM TYPE Culvert on natural stream JURISDICTION Maricopa County, Arizona WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S28 T6N R3E LATITUDE N 33° 49' 41.6" | +33.82882 LONGITUDE W 112° 02' 54.0" | -112.04832 STREAMGAGE INSTALLATION DATE 03/02/2006 - WY 2006 AVAILABLE PERIOD OF RECORD (POR) 03/02/2006 - Current LENGTH OF AVAILABLE POR DATA 11.58 Years | 4,231 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.50 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.55 feet Gage Height EXTREME FOR PERIOD OF RECORD 252 cfs | 4.90 feet | 08/19/2014 & 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 225 Watershed Map Desert Hills Wash - water year peaks 300 Discharge (cfs) 250 200 150 100 50 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 226 2020 WY2017 Events Date of Peak 10/13/2016 12/22/2016 01/01/2017 01/01/2017 01/21/2017 07/31/2017 Peak Gage Height (feet) 1.91 3.91 1.18 2.79 1.37 1.68 Peak Discharge (cfs) 53 178 19 104 28 42 Hydrograph of peak WY 2017 flow event, 12/22/2016 Flood Flow Frequency Flood Flow Frequency N=12, HEC-WRC computation (based on 12 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 120 215 284 354 446 517 FCDMC Annual Surface Water Report, Water Year 2017 Page 227 Desert Hills Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 4 2 3 4 5 6 7 8 9 10 11 12 13 2 14 15 16 17 18 19 20 1 21 1 22 4 23 24 25 26 27 28 29 --30 --31 --------1 -------------------------------------------------------------------------------TOTAL 2 0 4 6 0 0 0 0 0 1 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 53 0 178 104 0 0 0 0 0 42 3 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 4 0 8 13 0 0 0 0 0 3 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 14 MEAN 0 MAX 178 MIN 0 AC_FT 28 FCDMC Annual Surface Water Report, Water Year 2017 Page 228 Dreamy Draw Dam, ID #4803 Site Data LOCATION Located near Northern Avenue and SR 51 DRAINAGE AREA 1.35 mi2 JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S34 T3N R3E LATITUDE N 33° 33' 43.8" | +33.56217 LONGITUDE W 112° 01' 53.7" | -112.03159 STREAMGAGE INSTALLATION DATE 01/24/1984 - WY 1984 AVAILABLE PERIOD OF RECORD (POR) 08/29/1988 - Current LENGTH OF AVAILABLE POR DATA 29.09 Years | 10,625 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.12 feet Gage Height STAFF GAGES 9 ZERO GAGE HEIGHT ELEVATION 1,371.46 feet NAVD1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 35.50 feet Gage Height TOP OF DAM ELEVATION 47.04 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 229 Watershed Map Dreamy Draw Dam - water year peaks Volume (acre-feet) 40 35 30 25 20 15 10 5 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 230 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 02/28/2017 07/21/2017 Peak Gage Height (feet) 1.63 4.02 5.40 4.52 Peak Volume (ac-ft) 0.1 0.4 0.8 0.5 Percent Spillway Capacity 0.0 0.1 0.2 0.2 Hydrograph of peak WY 2017 impoundment event, 02/28/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 231 Dreamy Draw Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 22 1 23 24 1 25 26 27 28 5 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 1 2 5 0 0 0 0 1 2 3 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 16 62 85 0 0 0 0 71 4 1 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1 4 9 0 0 0 0 3 5 6 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 14 MEAN 0 MAX 85 MIN 0 AC_FT 28 FCDMC Annual Surface Water Report, Water Year 2017 Page 232 Dreamy Draw Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 1 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 233 Dreamy Draw Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 0.1 0.3 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 0.1 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 0.2 0.1 0.1 22 0.1 0.1 0.2 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 0.5 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 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 1.6 4.0 5.4 0.1 0.1 0.1 0.1 4.5 0.5 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 2017 MEAN 0.12 MAX 5.40 MIN 0.12 FCDMC Annual Surface Water Report, Water Year 2017 Page 234 Dysart Drain at LAFB, ID #5413 Site Data LOCATION On Dysart Drain about 1/3 mile east of Litchfield Road DRAINAGE AREA 24.3 mi2 STREAM TYPE Engineered Channel JURISDICTION Glendale, Arizona WATERSHED White Tanks A SECTION/TOWNSHIP/RANGE S03 T2N R1W LATITUDE N 33° 32' 38.3" | +33.54397 LONGITUDE W 112° 20' 57.8" | -112.34940 STREAMGAGE INSTALLATION DATE 08/22/1996 - WY 1996 AVAILABLE PERIOD OF RECORD (POR) 08/22/1996 - Current LENGTH OF AVAILABLE POR DATA 21.11 Years | 7,710 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 862 cfs | 4.30 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 235 Watershed Map Discharge (cfs) Dysart Drain at LAFB - water year peaks 1,000 900 800 700 600 500 400 300 200 100 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 236 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/16/2017 07/29/2017 08/13/2017 Peak Gage Height (feet) 1.15 1.00 1.10 Peak Discharge (cfs) 69 52 63 NOTE: There is a more or less continual base flow at this location. Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency Flood Flow Frequency N=22, HEC-WRC computation (based on 22 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 76 183 291 428 662 888 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 237 Dysart Drain at LAFB, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 8 14 15 16 2 17 1 18 19 20 21 22 23 24 25 9 26 6 27 28 29 --3 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 14 0 0 6 8 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 2 0 0 0 63 29 0 69 63 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 28 0 0 13 16 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 29 MEAN 0 MAX 69 MIN 0 AC_FT 57 FCDMC Annual Surface Water Report, Water Year 2017 Page 238 Dysart Drain at El Mirage Road, ID #5423 Site Data LOCATION On El Mirage Road about mid-way between Glendale and Northern Avenues DRAINAGE AREA 34.7 mi2 STREAM TYPE Engineered Channel JURISDICTION Glendale, Arizona WATERSHED White Tanks A SECTION/TOWNSHIP/RANGE S016 T2N R1W LATITUDE N 33° 32' 37.1" | +33.54370 LONGITUDE W 112° 19' 26.6" | -112.32399 STREAMGAGE INSTALLATION DATE 03/07/1997 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 03/07/1997 - Current LENGTH OF AVAILABLE POR DATA 20.57 Years | 7,513 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,052.20 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 823 cfs | 5.30 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 239 Watershed Map Dysart Drain at El Mirage Road - water year peaks 900 Discharge (cfs) 800 700 600 500 400 300 200 100 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 240 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/16/2017 07/29/2017 08/13/2017 Peak Gage Height (feet) 2.36 2.11 2.19 Peak Discharge (cfs) 116 76 88 NOTE: There is a more or less continual base flow at this location. Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 73 326 663 1,150 2,060 2,970 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 241 Dysart Drain at El Mirage Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 1 7 1 8 2 9 10 11 12 13 5 3 14 15 16 3 17 2 18 19 20 21 22 23 89 24 25 26 27 28 168 29 --39 2 30 --31 -----------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 305 0 0 0 6 3 0 MEAN 0 0 0 0 0 10 0 0 0 0 0 0 MAX 0 0 0 0 0 711 0 92 0 116 88 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 606 0 1 0 12 6 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 315 MEAN 1 MAX 711 MIN 0 AC_FT 625 FCDMC Annual Surface Water Report, Water Year 2017 Page 242 East Fork Cave Creek Basin #1, ID #4648 Site Data LOCATION On Beardsley Road east of Cave Creek Road DRAINAGE AREA 1.18 mi2 STREAM TYPE Flood control basin on natural stream JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S26 T4N R3E LATITUDE N 33° 40' 11.3" | +33.66981 LONGITUDE W 112° 01' 31.3" | -112.02536 STREAMGAGE INSTALLATION DATE 03/02/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 03/02/1994 - Current LENGTH OF AVAILABLE POR DATA DATA 23.58 Years | 8,614 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.23 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,489.95 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 7.16 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 243 Watershed Map EFCC Basin #1 - water year peaks Volume (acre-feet) 30 25 20 15 10 5 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 244 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/24/2016 07/16/2017 07/21/2017 07/24/2017 07/29/2017 Peak Gage Height (feet) 0.54 1.12 1.05 0.77 0.62 Peak Volume (ac-ft) 0.3 0.8 0.8 0.5 0.4 Percent Spillway Capacity 0.5 1.7 1.5 0.9 0.7 Hydrograph of peak WY 2017 impoundment event, 07/16/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 245 East Fork Cave Creek Basin #1, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 ----1 17 1 18 19 20 21 1 22 23 24 1 1 25 26 27 28 29 --30 --31 -----------------------------------------------------------------------------------------TOTAL 12 14 14 14 9 15 14 15 14 17 15 13 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 4 0 3 0 0 0 0 13 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 24 29 28 29 18 30 29 30 29 33 29 26 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 167 MEAN 0 MAX 13 MIN 0 AC_FT 332 FCDMC Annual Surface Water Report, Water Year 2017 Page 246 East Fork Cave Creek Basin #1, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 1 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 247 East Fork Cave Creek Basin #1, stage data Depth, in feet, Water Year October 2016 to September 2017 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 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 7 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 0.0 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 0.3 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 0.3 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 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.3 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 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 -------------------------------------------------------------------------------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 0.5 0.2 0.4 0.2 0.2 0.2 0.2 1.1 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 2017 MEAN 0.23 MAX 1.12 MIN 0.23 FCDMC Annual Surface Water Report, Water Year 2017 Page 248 East Fork Cave Creek Basin #3A, ID #8807 Site Data LOCATION Located near Cave Creek Road and Grovers Avenue DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S34 T4N R3E LATITUDE N 33° 38' 46.0" | +33.65630 LONGITUDE W 112° 02' 21.0" | -112.03840 STREAMGAGE INSTALLATION DATE 10/14/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 10/14/2015 - Current LENGTH OF AVAILABLE POR DATA 1.97 Years | 718 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 14.3 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 249 Watershed Map EFCC Basin #3a - water year peaks Volume (acre-feet) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 2015 2016 2017 2018 FCDMC Annual Surface Water Report, Water Year 2017 Page 250 2019 2020 2021 Water Year 2022 2023 2024 2025 WY2017 Events Date of Peak 10/13/2016 12/22/2016 01/20/2017 01/23/2017 08/03/2017 Peak Gage Height (feet) 0.96 0.99 1.01 1.06 1.16 Peak Volume (ac-ft) 1.0 1.1 1.1 1.2 1.4 Percent Spillway Capacity 0.8 0.9 0.9 1.0 1.2 Hydrograph of peak WY 2017 impoundment event, 08/03/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 251 EFCC Basin #3A, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 1 4 5 6 7 8 9 10 11 12 13 10 14 15 16 17 18 19 20 3 21 22 2 23 5 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 10 0 2 8 0 0 0 0 0 0 1 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 28 0 29 31 0 0 0 0 0 0 34 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 19 0 3 17 0 0 0 0 0 0 2 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 20 MEAN 0 MAX 34 MIN 0 AC_FT 40 FCDMC Annual Surface Water Report, Water Year 2017 Page 252 EFCC Basin #3A, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 0 1 1 0 0 0 0 0 0 1 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 1 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 253 EFCC Basin #3A, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.8 0.8 2 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 5 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 7 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 9 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 10 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 11 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 12 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 13 0.9 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 14 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 15 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 16 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 17 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 18 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 19 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 20 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 21 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 22 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 23 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 24 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 25 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 26 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 27 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 28 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 29 0.8 0.8 0.8 0.8 --0.8 0.8 0.8 0.8 0.8 0.8 0.8 30 0.8 0.8 0.8 0.8 --0.8 0.8 0.8 0.8 0.8 0.8 0.8 31 0.8 --0.8 0.8 --0.8 --0.8 --0.8 0.8 -------------------------------------------------------------------------------MEAN 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 MAX 1.0 0.8 1.0 1.1 0.8 0.8 0.8 0.8 0.8 0.8 1.2 0.8 MIN 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.80 MAX 1.16 MIN 0.80 FCDMC Annual Surface Water Report, Water Year 2017 Page 254 East Fork Cave Creek Basin #3B, ID #4683 Site Data LOCATION Near 20th Street and Grovers Avenue DRAINAGE AREA 3.52 mi2 STREAM TYPE Flood control basin on natural stream JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S34 T4N R3E LATITUDE N 33° 38' 45.9" | +33.64609 LONGITUDE W 112° 02' 21.1" | -112.03918 STREAMGAGE INSTALLATION DATE 09/13/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 09/13/1994 - Current LENGTH OF AVAILABLE POR DATA DATA 23.05 Years | 8,419 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.15 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,419.45 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 14.6 feet Gage Height TOP OF BASIN ELEVATION 15.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 255 Location Map EFCC Basin #3b - water year peaks Volume (acre-feet) 60 50 40 30 20 10 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 256 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) None Hydrograph of peak WY 2017 impoundment event, No impoundments recorded in Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 257 Percent Spillway Capacity East Fork Cave Creek Basin #3B, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 258 East Fork Cave Creek Basin #3B, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 259 East Fork Cave Creek Basin #3B, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.1 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 21 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 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 28 0.1 0.1 0.1 0.1 0.2 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 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 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 MAX 0.1 0.1 0.1 0.1 0.3 0.1 0.1 0.1 0.1 0.1 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 2017 MEAN 0.15 MAX 0.30 MIN 0.15 FCDMC Annual Surface Water Report, Water Year 2017 Page 260 East Fork Cave Creek Basin #4 – ID #4658 Site Data LOCATION Near Paradise Valley Community College DRAINAGE AREA 0.68 mi2 JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S36 T4N R3E LATITUDE N 33° 38' 56.5" | +33.64904 LONGITUDE W 112° 00' 37.5" | -112.01041 STREAMGAGE INSTALLATION DATE 01/18/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 01/18/1994 - Current LENGTH OF AVAILABLE POR DATA DATA 23.70 Years | 8,657 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.30 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,464.57 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 8.0 feet Gage Height TOP OF BASIN ELEVATION 8.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 261 Location Map (watershed not available) EFCC Basin #4 - water year peaks Volume (acre-feet) 9 8 7 6 5 4 3 2 1 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 262 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 10/02/2016 10/13/2016 12/22/2016 12/24/2016 01/01/2017 01/20/2017 01/23/2017 02/27/2017 02/28/2017 07/16/2017 07/21/2017 07/24/2017 07/29/2017 08/03/2017 08/23/2017 Peak Gage Height (feet) 1.62 0.94 1.82 1.18 1.13 1.08 1.04 1.13 2.06 2.44 0.73 0.58 1.32 1.61 1.76 Peak Volume (ac-ft) 0.7 0.3 0.8 0.5 0.4 0.4 0.4 0.4 1.1 2.2 0.2 0.1 0.5 0.7 0.8 Percent Spillway Capacity 1.1 0.5 1.4 0.7 0.7 0.6 0.6 0.7 1.8 3.0 0.3 0.2 0.7 1.1 1.3 Hydrograph of peak WY 2017 impoundment event, 07/16/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 263 East Fork Cave Creek Basin #4, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 17 18 --19 20 21 22 23 24 25 26 27 28 1 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 1 0 0 0 0 2 1 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 7 0 15 1 29 0 0 0 0 38 12 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1 0 1 0 0 0 0 3 1 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 3 MEAN 0 MAX 38 MIN 0 AC_FT 7 FCDMC Annual Surface Water Report, Water Year 2017 Page 264 East Fork Cave Creek Basin #4, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 0 1 0 1 0 0 0 0 2 1 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 2 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 265 East Fork Cave Creek Basin #4, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.3 0.3 0.3 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 2 0.4 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 0.4 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 0.4 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 --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 0.4 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 0.4 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 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.3 24 0.3 0.3 0.4 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 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 28 0.3 0.3 0.3 0.3 0.4 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 1.6 0.3 1.8 1.1 2.1 0.3 0.3 0.3 0.3 2.4 1.8 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 2017 MEAN 0.30 MAX 2.44 MIN 0.30 FCDMC Annual Surface Water Report, Water Year 2017 Page 266 East Fork Cave Creek near 7th Avenue, ID #4668 Site Data LOCATION In Moon Valley Park, near Coral Gable Drive and 7th Avenue DRAINAGE AREA 14.1 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S05 T3N R3E LATITUDE N 33° 37' 40.6" | +33.62793 LONGITUDE W 112° 04' 50.7" | -112.08076 STREAMGAGE INSTALLATION DATE 05/08/1997 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 05/08/1997 - Current LENGTH OF AVAILABLE POR DATA DATA 20.40 Years | 7,451 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -0.25 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,341.79 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 4,067 cfs | 7.55 feet | 08/02/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 267 Watershed Map East Fork Cave Creek near 7th Avenue - water year peaks 4,500 Discharge (cfs) 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 268 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 10/02/2016 10/13/2016 12/22/2016 12/22/2016 12/24/2016 01/01/2017 02/27/2017 02/28/2017 07/17/2017 08/03/2017 08/24/2017 Peak Gage Height (feet) 0.80 0.88 1.56 1.51 0.88 1.02 0.83 1.36 1.47 1.33 0.93 Peak Discharge (cfs) 8 14 181 168 14 35 10 132 158 126 20 Hydrograph of peak WY 2017 flow event, 12/22/2016 Flood Flow Frequency Flood Flow Frequency N=21, HEC-WRC computation (based on 21 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 465 1,090 1,700 2,480 3,780 5,010 8,200 9,400 FEMA FIS 5,500 FCDMC Annual Surface Water Report, Water Year 2017 Page 269 East Fork Cave Creek near 7th Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 3 4 4 5 6 7 8 9 10 11 12 13 14 15 16 17 6 18 19 20 21 22 16 23 1 24 1 1 25 26 27 28 7 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 1 0 17 3 8 0 0 0 0 6 5 0 MEAN 0 0 1 0 0 0 0 0 0 0 0 0 MAX 14 0 181 35 132 0 0 0 0 158 126 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 2 0 34 5 16 0 0 0 0 13 10 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 40 MEAN 0 MAX 181 MIN 0 AC_FT 79 FCDMC Annual Surface Water Report, Water Year 2017 Page 270 El Mirage Road Drain, ID #5483 Site Data LOCATION Located near El Mirage Road south of Loop 303 DRAINAGE AREA 70.3 mi2 STREAM TYPE Natural Stream JURISDICTION Surprise, Arizona WATERSHED Trilby SECTION/TOWNSHIP/RANGE S14 T4N R1W LATITUDE N 33° 41' 26.6" | +33.69072 LONGITUDE W 112° 19' 40.9" | -112.32804 STREAMGAGE INSTALLATION DATE 02/16/2006 - WY 2006 AVAILABLE PERIOD OF RECORD (POR) 02/16/2006 - Current LENGTH OF AVAILABLE POR DATA 11.62 Years | 4,245 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.20 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 475 cfs | 3.36 feet GH | 01/21/2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 271 Watershed Map Discharge (cfs) El Mirage Road Drain - water year peaks 500 450 400 350 300 250 200 150 100 50 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 272 2020 WY2017 Events Date of Peak 10/13/2016 01/01/2017 Peak Gage Height (feet) 1.37 2.57 Peak Discharge (cfs) 40 49 NOTE: There is a more or less continual base flow at this location. Hydrograph of peak WY 2017 flow event Flood Flow Frequency Flood Flow Frequency N=12, HEC-WRC computation (based on 12 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 72 300 589 992 1,710 2,410 50-year 100-year 4,747 6,023 NOTE(1): These results are based on very limited data. Flood Flow Frequency FEMA Flood Insurance Study 2-year 5-year 10-year 2,835 FCDMC Annual Surface Water Report, Water Year 2017 Page 273 20-year El Mirage Road Drain, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 11 12 13 5 14 15 16 17 18 19 20 21 22 4 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 5 0 0 13 0 0 5 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 46 0 0 49 0 0 39 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 10 0 0 26 0 0 9 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 23 MEAN 0 MAX 49 MIN 0 AC_FT 45 FCDMC Annual Surface Water Report, Water Year 2017 Page 274 East Maricopa Floodway at Broadway Road, ID #6573 Site Data LOCATION Located about 1,000 feet south of Broadway Road, east of Higley Road DRAINAGE AREA 11.3 mi2 STREAM TYPE Engineered Channel JURISDICTION Mesa, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S26 T1N R6E LATITUDE N 33° 24' 19.8" | +33.40551 LONGITUDE W 111° 42' 37.4" | -111.71040 STREAMGAGE INSTALLATION DATE 08/10/1989 - WY 1989 AVAILABLE PERIOD OF RECORD (POR) 09/03/1990 - Current LENGTH OF AVAILABLE POR DATA 27.08 Years | 9,890 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -3.97 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 2 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 4,292 cfs | 5.08 feet GH | 09/07/2012 FCDMC Annual Surface Water Report, Water Year 2017 Page 275 Watershed Map Discharge (cfs) EMF at Broadway Road - water year peaks 5,000 4,500 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 276 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 02/19/2017 07/23/2017 07/24/2017 08/03/2017 Peak Gage Height (feet) 0.42 1.97 2.32 1.52 Peak Discharge (cfs) 15 722 1,045 414 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=27, HEC-WRC computation (based on 27 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 741 1,760 2,690 3,760 5,420 6,850 NOTE(1): These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 277 EMF at Broadway Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 37 4 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2 20 21 7 22 23 105 24 247 25 7 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 7 2 0 0 0 0 359 39 0 MEAN 0 0 0 0 0 0 0 0 0 12 1 0 MAX 0 0 0 25 15 0 0 0 0 1045 414 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 14 5 0 0 0 0 713 77 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 408 MEAN 1 MAX 1045 MIN 0 AC_FT 808 FCDMC Annual Surface Water Report, Water Year 2017 Page 278 East Maricopa Fldwy below Powerline Floodway, ID #6758 Site Data LOCATION Located about 1/3 mile downstream from Powerline Floodway DRAINAGE AREA 257 mi2 STREAM TYPE Concrete Lined Channel JURISDICTION Mesa, Arizona WATERSHED Lower EMF SECTION/TOWNSHIP/RANGE S30 T1S R7E LATITUDE N 33° 19' 01.7" | +33.31715 LONGITUDE W 111° 41' 03.3" | -111.68424 STREAMGAGE INSTALLATION DATE 04/15/2014 - WY 2014 AVAILABLE PERIOD OF RECORD (POR) 04/15/2014 - Current LENGTH OF AVAILABLE POR DATA 3.46 Years | 1,265 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.15 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 2,765 cfs | 4.98 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 279 Watershed Map EMF below Powerline Floodway - water year peaks 3,000 Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 2010 2015 2020 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 280 2025 WY2017 Events Date of Peak 12/22/2016 07/24/2017 07/30/2017 08/03/2017 08/26/2017 Peak Gage Height 0.78 3.37 0.91 1.75 0.63 Peak Discharge (cfs) 105 1,389 138 438 20 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 281 EMF below Powerline Floodway, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 1 3 71 4 65 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 23 6 1 24 654 25 142 26 5 1 27 2 28 29 --2 30 --46 31 ---------------------------------------------------------------------------------------TOTAL 0 0 29 0 0 0 0 0 0 850 139 0 MEAN 0 0 1 0 0 0 0 0 0 27 4 0 MAX 0 0 105 0 0 0 0 0 0 1389 438 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 57 0 0 0 0 0 0 1686 276 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1018 MEAN 3 MAX 1389 MIN 0 AC_FT 2019 FCDMC Annual Surface Water Report, Water Year 2017 Page 282 East Maricopa Floodway at Queen Creek Road, ID #6583 Site Data LOCATION West of the Higley and Queen Creek Roads intersection DRAINAGE AREA 273.4 mi2 STREAM TYPE Engineered Channel JURISDICTION Gilbert, Arizona WATERSHED Lower East Maricopa Floodway SECTION/TOWNSHIP/RANGE S15 T2S R6E LATITUDE N 33° 15' 47.1" | +33.26307 LONGITUDE W 111° 43' 32.6" | -111.72572 STREAMGAGE INSTALLATION DATE 01/18/1989 - WY 1989 AVAILABLE PERIOD OF RECORD (POR) 01/18/1989 - current LENGTH OF AVAILABLE POR DATA 28.70 Years | 10,483 Days DATA GAPS IN POR 10/22/2010 - 01/17/2012 STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION -0.64 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 2 ZERO GAGE HEIGHT ELEVATION 1,303.51 feet M.S.L. POINT OF ZERO FLOW -1.6 feet Gage Height EXTREME FOR PERIOD OF RECORD 3,274 cfs | 4.96 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 283 Watershed Map EMF at Queen Creek Road - water year peaks 3,500 Discharge (cfs) 3,000 2,500 2,000 1,500 1,000 500 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 284 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/23/2016 01/02/2017 01/21/2017 02/20/2017 07/24/2017 07/30/2017 08/02/2017 08/04/2017 08/13/2017 08/27/2017 Peak Gage Height (feet) 1.13 -0.02 0.51 -0.09 4.30 1.53 0.88 2.20 0.21 0.66 Peak Discharge (cfs) 243 56 93 52 2,542 404 166 762 72 111 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=29, HEC-WRC computation (based on 29 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 745 1,910 2,960 4,160 5,930 7,410 NOTE(1): These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 285 EMF at Queen Creek Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 46 2 27 93 3 24 85 4 511 5 110 6 27 7 8 9 10 11 12 13 46 14 5 29 15 10 8 16 10 17 18 19 15 20 37 21 49 22 68 23 168 24 54 1244 25 770 26 356 27 225 54 28 121 28 29 --72 30 --264 31 --------107 -------------------------------------------------------------------------------TOTAL 0 0 223 168 52 0 0 0 0 3185 1036 0 MEAN 0 0 7 5 2 0 0 0 0 103 33 0 MAX 0 0 243 93 52 0 0 0 0 2542 762 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 441 334 102 0 0 0 0 6317 2055 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 4663 MEAN 13 MAX 2542 MIN 0 AC_FT 9249 FCDMC Annual Surface Water Report, Water Year 2017 Page 286 East Maricopa Floodway at Arizona Avenue, ID #6598 Site Data LOCATION On Arizona Avenue (SR 587) about 2 miles south of Sun Lakes DRAINAGE AREA 668 mi2(including Queen Creek) STREAM TYPE Engineered Channel JURISDICTION Gila River Indian Community WATERSHED Lower East Maricopa Floodway SECTION/TOWNSHIP/RANGE S16 T3S R5E LATITUDE N 33° 10' 07.8" | +33.16882 LONGITUDE W 111° 50' 27.7" | -111.84102 STREAMGAGE INSTALLATION DATE 02/10/1989 - WY 1989 AVAILABLE PERIOD OF RECORD (POR) 02/10/1989 - Current LENGTH OF AVAILABLE POR DATA 28.64 Years | 10,460 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -0.15 feet Gage Height STAFF GAGES 3 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,210.50 feet NAVD88 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,536 cfs | 4.07 feet | 01/11/1993 FCDMC Annual Surface Water Report, Water Year 2017 Page 287 Watershed Map EMF at Arizona Avenue - water year peaks 6,000 Discharge (cfs) 5,000 4,000 3,000 2,000 1,000 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 288 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/25/2016 01/03/2017 01/25/2017 02/21/2017 03/03/2017 07/24/2017 07/24/2017 08/04/2017 08/13/2017 Peak Gage Height (feet) 1.14 0.94 2.54 0.84 0.69 1.79 4.48 1.32 1.29 Peak Discharge (cfs) 384 262 2,008 205 137 634 2,591 424 412 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=29, HEC-WRC computation (based on 29 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 294 950 1,720 2,770 4,700 6,640 NOTE(1): These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 289 EMF at Arizona Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 164 182 2 226 57 159 3 253 187 118 4 222 175 339 5 181 139 281 6 206 60 182 7 192 153 8 72 77 9 10 --11 12 1 13 225 14 159 15 134 16 54 17 2 18 1 19 20 21 --119 22 --209 23 17 400 192 5 24 248 322 97 1212 25 305 835 830 26 280 753 349 27 272 450 261 28 251 232 218 29 190 --184 30 207 --160 31 --178 ------228 -------------------------------------------------------------------------------TOTAL 0 0 1947 4271 617 618 0 0 0 3448 2070 0 MEAN 0 0 63 138 22 20 0 0 0 111 67 0 MAX 0 0 356 1049 256 211 0 0 0 2591 424 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 3861 8471 1223 1226 0 0 0 6838 4105 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 12969 MEAN 36 MAX 2591 MIN 0 AC_FT 25724 FCDMC Annual Surface Water Report, Water Year 2017 Page 290 Estrella Fan, ID #6893 Site Data LOCATION Located in northwest part of the Estrella Mountains DRAINAGE AREA 1.0 mi2 STREAM TYPE Natural Stream JURISDICTION Goodyear, Arizona WATERSHED Waterman SECTION/TOWNSHIP/RANGE S12 T2S R1W LATITUDE N 33° 16' 10.1" | +33.26949 LONGITUDE W 112° 19' 15.3" | -112.32091 STREAMGAGE INSTALLATION DATE 04/30/1993 - WY 1993 AVAILABLE PERIOD OF RECORD (POR) 04/30/1993 - Current LENGTH OF AVAILABLE POR DATA 24.42 Years | 8,920 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 6 - not related to transducer gage height ZERO GAGE HEIGHT ELEVATION 1,447.80 feet NAVD 1988 POINT OF ZERO FLOW 0.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 508 cfs | 1.60 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 291 Watershed Map Estrella Fan - water year peaks 600 Discharge (cfs) 500 400 300 200 100 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 292 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event, No runoff events occurred in Water Year 2017. Flood Flow Frequency Flood Flow Frequency HEC-1 Analysis, 1997 2-year 5-year 10-year 25-year 50-year 100-year 310 860 1,280 1,800 2,250 2,710 FCDMC Annual Surface Water Report, Water Year 2017 Page 293 Estrella Fan, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 294 Flying E Wash, ID #7083 Site Data LOCATION About 1 mile west of Vulture Mine Road on US 60 DRAINAGE AREA 8.5 mi2 STREAM TYPE Natural Stream JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S09 T7N R5W LATITUDE N 33° 57' 44.0" | +33.96223 LONGITUDE W 112° 46' 58.5" | -112.78291 STREAMGAGE INSTALLATION DATE 07/12/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 07/12/1994 - Current LENGTH OF AVAILABLE POR DATA 23.22 Years | 8,482 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,283.10 feet NAVD 1988 POINT OF ZERO FLOW 0.4 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,267 cfs | 7.07 feet | 07/18/2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 295 Watershed Map Flying E Wash - water year peaks 6,000 Discharge (cfs) 5,000 4,000 3,000 2,000 1,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 296 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 07/15/2017 07/18/2017 08/03/2017 Peak Gage Height (feet) 1.30 1.17 1.17 Peak Discharge (cfs) 124 87 87 Hydrograph of peak WY 2017 flow event, 07/15/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 290 1,040 2,050 3,590 6,800 10,400 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 297 Flying E Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 --3 2 4 5 6 7 8 9 10 11 --12 --13 --14 --15 1 16 17 18 8 19 20 21 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 9 2 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 124 87 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 18 3 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 11 MEAN 0 MAX 124 MIN 0 AC_FT 21 FCDMC Annual Surface Water Report, Water Year 2017 Page 298 Ford Canyon Wash, ID #5428 Site Data LOCATION Located in the north part of White Tanks Regional Park DRAINAGE AREA 4.3 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED White Tanks B SECTION/TOWNSHIP/RANGE S18 T3N R2W LATITUDE N 33° 35' 47.3" | +33.59648 LONGITUDE W 112° 29' 57.3" | -112.49925 STREAMGAGE INSTALLATION DATE 02/05/2002 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 02/05/2002 - Current LENGTH OF AVAILABLE POR DATA 15.65 Years | 5,717 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.72 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,468.00 feet NAVD 1988 POINT OF ZERO FLOW -0.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,682 cfs | 4.37 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 299 Watershed Map Ford Canyon Wash - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 300 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) No runoff recorded Hydrograph of peak WY 2017 flow event No runoff recorded during Water Year 2017. Flood Flow Frequency Flood Flow Frequency Based on HEC-1 Analysis, June 2002 2-year 5-year 10-year 25-year 50-year 100-year 200 390 690 1,740 1,875 1,960 FCDMC Annual Surface Water Report, Water Year 2017 Page 301 Ford Canyon Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 1 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 1 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1 MEAN 0 MAX 1 MIN 0 AC_FT 1 FCDMC Annual Surface Water Report, Water Year 2017 Page 302 Fourth of July Wash, ID #5043 Site Data LOCATION Western Maricopa County about 20 miles west of Arlington DRAINAGE AREA 3.7 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Gila SECTION/TOWNSHIP/RANGE S01 T2S R9W LATITUDE N 33° 16' 39.5" | +33.27763 LONGITUDE W 113° 07' 47.1" | -113.12976 STREAMGAGE INSTALLATION DATE 03/14/2002 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 03/14/2002 - Current LENGTH OF AVAILABLE POR DATA 15.55 Years | 5,680 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,110.00 feet NAVD 1988 POINT OF ZERO FLOW -0.25 feet Gage Height EXTREME FOR PERIOD OF RECORD 2,150 cfs | 4.35 feet | 08/30/2006 FCDMC Annual Surface Water Report, Water Year 2017 Page 303 Watershed Map Fourth of July Wash - water year peaks Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 304 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 07/29/2017 1.10 320 Hydrograph of peak WY 2017 flow event, 07/29/2017 Flood Flow Frequency Flood Flow Frequency N=16, HEC-WRC computation (based on 16 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 801 1,470 1,970 2,480 3,170 3,710 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 305 Fourth of July Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 --19 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 19 0 0 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 0 0 0 0 0 0 0 320 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 39 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 19 MEAN 0 MAX 320 MIN 0 AC_FT 39 FCDMC Annual Surface Water Report, Water Year 2017 Page 306 Freestone Basin, ID #6608 Site Data LOCATION Near Lindsay Road south of Guadalupe Road DRAINAGE AREA 2.2 mi2 STREAM TYPE Flood control basin JURISDICTION Gilbert, Arizona WATERSHED Lower East Maricopa Floodway SECTION/TOWNSHIP/RANGE S08 T1S R6E LATITUDE N 33° 21' 26.4" | +33.35734 LONGITUDE W 111° 46' 21.9" | -111.77274 STREAMGAGE INSTALLATION DATE 12/19/1995 - WY 1996 AVAILABLE PERIOD OF RECORD (POR) 12/19/1995 - Current LENGTH OF AVAILABLE POR DATA 21.79 Years | 7,957 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.83 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,217.49 feet M.S.L. POINT OF ZERO FLOW None - Pump Control SPILLWAY CREST ELEVATION None TOP OF BASIN ELEVATION 25.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 307 Location Map Freestone Basin - water year peaks Volume (acre-feet) 60 50 40 30 20 10 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 308 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) 02/19/2017 6.54 7.3 Percent Spillway Capacity Hydrograph of peak WY 2017 impoundment event, 02/19/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 309 Freestone Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 1 2 1 3 1 --1 4 --5 --6 --7 --8 --9 1 10 1 11 1 1 12 1 1 13 1 1 14 1 15 1 16 1 17 1 1 18 1 1 19 2 6 20 1 1 7 21 1 4 3 22 2 1 23 1 1 1 24 2 1 25 5 1 26 5 27 1 2 28 1 1 29 --1 1 30 --31 --1 -------------------------------------------------------------------------------------MEAN 0 0 1 1 1 0 0 0 0 0 0 0 MAX 2 2 5 6 7 1 1 1 3 2 1 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 7 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 310 Freestone Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2.9 2.9 2.9 4.5 2.9 2.9 3.1 2.9 2.9 2.9 2.9 2.9 2 3.5 2.9 2.9 4.9 3.2 2.9 3.5 2.9 2.9 3.0 2.9 2.9 3 3.3 --2.9 3.6 3.0 2.9 3.0 2.9 2.9 2.9 3.0 2.9 4 2.9 --2.9 2.9 2.9 2.9 3.1 3.0 2.9 2.9 3.0 2.9 5 2.9 --2.9 2.9 2.9 2.9 2.9 3.0 2.9 2.9 2.9 2.9 6 2.9 --2.9 2.9 2.9 2.9 3.0 2.9 2.9 2.9 3.0 2.9 7 2.9 --2.9 2.9 2.9 2.9 3.0 2.9 2.9 2.9 2.9 2.9 8 2.9 --2.9 2.9 2.9 2.9 2.9 3.0 2.9 2.9 2.9 2.9 9 2.9 3.3 2.9 3.0 2.9 2.9 2.9 3.0 3.1 2.9 2.9 2.9 10 2.9 3.1 2.9 2.9 3.0 2.9 3.0 3.0 4.2 2.9 2.9 2.9 11 2.9 3.3 2.9 2.9 3.2 3.0 3.0 3.0 4.0 3.0 2.9 2.9 12 2.9 3.4 3.0 2.9 3.2 3.0 2.9 2.9 3.1 2.9 2.9 2.9 13 2.9 3.3 2.9 3.0 3.0 3.1 2.9 2.9 2.9 2.9 3.4 2.9 14 2.9 3.1 2.9 3.3 2.9 3.0 3.0 2.9 2.9 2.9 2.9 2.9 15 2.9 2.9 2.9 3.7 3.1 2.9 2.9 2.9 2.9 3.0 2.9 2.9 16 2.9 2.9 3.2 3.3 2.9 2.9 2.9 3.1 2.9 3.2 2.9 2.9 17 2.9 2.9 3.4 2.9 2.9 2.9 2.9 3.0 2.9 3.3 2.9 2.9 18 3.0 2.9 3.3 2.9 3.3 2.9 3.0 2.9 3.1 2.9 2.9 2.9 19 2.9 2.9 4.1 2.9 6.1 2.9 2.9 2.9 2.9 2.9 2.9 2.9 20 2.9 2.9 4.0 3.4 6.5 3.0 3.0 2.9 2.9 2.9 2.9 2.9 21 2.9 3.2 3.0 5.4 4.6 3.0 2.9 3.2 2.9 2.9 2.9 2.9 22 2.9 2.9 4.5 3.9 3.0 2.9 3.0 3.1 2.9 2.9 2.9 2.9 23 2.9 2.9 3.6 3.1 2.9 3.0 3.1 3.2 2.9 3.2 2.9 2.9 24 3.0 2.9 4.1 3.1 2.9 2.9 3.0 3.0 3.0 4.1 2.9 2.9 25 3.1 2.9 5.9 2.9 2.9 2.9 3.0 2.9 3.2 3.2 2.9 2.9 26 2.9 2.9 5.8 2.9 2.9 2.9 2.9 2.9 3.0 2.9 2.9 2.9 27 2.9 3.1 4.3 2.9 3.0 2.9 2.9 2.9 2.9 2.9 2.9 2.9 28 2.9 3.7 3.1 2.9 3.4 2.9 2.9 3.1 2.9 2.9 2.9 2.9 29 2.9 2.9 2.9 2.9 --3.5 2.9 3.3 2.9 2.9 2.9 2.9 30 2.9 2.9 3.1 2.9 --3.2 3.0 3.1 2.9 3.1 2.9 2.9 31 2.9 --3.6 2.9 --3.0 --2.9 --2.9 2.9 -------------------------------------------------------------------------------MEAN 2.9 3.0 3.4 3.2 3.3 2.9 3.0 3.0 3.0 3.0 2.9 2.9 MAX 4.5 4.9 6.0 6.2 6.5 3.9 3.6 3.5 5.2 4.6 4.3 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 2017 MEAN 3.03 MAX 6.54 MIN 2.85 FCDMC Annual Surface Water Report, Water Year 2017 Page 311 Galloway Wash at Galloway Road, ID #20607 Site Data LOCATION Located on Galloway Road about 1/8 mile north of Cave Creek Road DRAINAGE AREA 6.4 mi2 STREAM TYPE Natural JURISDICTION Cave Creek, Arizona WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S34 T6N R4E LATITUDE N 33° 49' 54.1" | +33.83170 LONGITUDE W 111° 55' 43.3" | -111.92870 STREAMGAGE INSTALLATION DATE 08/16/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 08/16/2016 - Current LENGTH OF AVAILABLE POR DATA 1.13 Years | 411 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.15 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 2,285.00 feet NAVD88 POINT OF ZERO FLOW 0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD No Events Recorded FCDMC Annual Surface Water Report, Water Year 2017 Page 312 Watershed Map Discharge (cfs) Galloway Wash at Galloway Road - water year peaks 100 90 80 70 60 50 40 30 20 10 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 313 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 02/28/2017 0.79 19 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 314 Galloway Wash at Galloway Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 19 0 0 0 0 0 3 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 2017 TOTAL 0 MEAN 0 MAX 19 MIN 0 AC_FT 1 FCDMC Annual Surface Water Report, Water Year 2017 Page 315 Gila River at Olberg Road, ID #0783 Site Data LOCATION Near Sacaton on the Gila River Indian Community DRAINAGE AREA 18,784 mi2 STREAM TYPE Natural Stream JURISDICTION Gila River Indian Community, Arizona WATERSHED Gila SECTION/TOWNSHIP/RANGE S12 T4S R6E LATITUDE N 33° 05' 13.4" | +33.08706 LONGITUDE W 111° 41' 13.2" | -111.68700 STREAMGAGE INSTALLATION DATE 04/12/1995 - WY 1995 AVAILABLE PERIOD OF RECORD (POR) 04/12/1995 - Current LENGTH OF AVAILABLE POR DATA 22.47 Years | 8,208 Days DATA GAPS IN POR 09/19/2016 – 10/31/2016 STAGE GAGE ELEVATION 0.44 feet Gage Height ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,867 cfs | 6.16 feet | 08/02/2006 FCDMC Annual Surface Water Report, Water Year 2017 Page 316 Watershed map Gila River at Olberg Road - water year peaks 7,000 Discharge (cfs) 6,000 5,000 4,000 3,000 2,000 1,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 317 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 01/23/2017 01/25/2017 07/24/2017 Peak Gage Height 1.52 1.57 2.05 Peak Discharge (cfs) 858 899 1,296 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=23, HEC-WRC computation (based on 23 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 476 1,610 2,970 4,880 8,420 12,000 FCDMC Annual Surface Water Report, Water Year 2017 Page 318 Gila River at Olberg Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 DAY OCT NOV DEC Daily Mean Values 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 --201 24 --216 25 --293 26 ----27 --28 ----29 ----30 ----31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 368 0 0 0 0 0 216 0 0 MEAN 0 0 0 12 0 0 0 0 0 7 0 0 MAX 0 0 0 899 0 0 0 0 0 1296 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 730 0 0 0 0 0 429 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 584 MEAN 2 MAX 1296 MIN 0 AC_FT 1159 *USGS maintained a gage at this site prior to October 1, 1998 (09478350) FCDMC Annual Surface Water Report, Water Year 2017 Page 319 Gila River at Maricopa Road, ID #0778 Site Data LOCATION On Maricopa Road (SR 347) about 5 miles north of Maricopa DRAINAGE AREA 20,312 mi2 STREAM TYPE Natural Stream JURISDICTION Gila River Indian Community, Arizona WATERSHED Lower East Maricopa Floodway SECTION/TOWNSHIP/RANGE S13 T3S R3E LATITUDE N 33° 10' 14.7" | +33.17076 LONGITUDE W 112° 00' 21.7" | -112.00601 STREAMGAGE INSTALLATION DATE 04/09/1995 - WY 1995 AVAILABLE PERIOD OF RECORD (POR) 04/09/1995 - Current LENGTH OF AVAILABLE POR DATA 22.48 Years | 8,211 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.36 feet Gage Height CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW Undetermined EXTREME FOR PERIOD OF RECORD 8,051 cfs | 3.99 feet | 07/31/2006 FCDMC Annual Surface Water Report, Water Year 2017 Page 320 Watershed for Gila River at Maricopa Road Gila River at Maricopa Road - water year peaks 9,000 Discharge (cfs) 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 321 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) No runoff recorded Hydrograph of peak WY 2017 flow event, There were no runoff events in water year 2016 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 322 Gila River at Maricopa Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 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 2 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 2 1 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 3 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2 MEAN 0 MAX 2 MIN 0 AC_FT 4 NOTE: The USGS maintains a gage at this site in cooperation with ADOT. See USGS Gage #09479350. See USGS Water‐Data Report AZ‐16‐1 for official data for this site. FCDMC Annual Surface Water Report, Water Year 2017 Page 323 Gila River at 116th Avenue, ID #6848 Site Data LOCATION Located on the Avondale Boulevard bridge crossing of the Gila River DRAINAGE AREA 43,300 mi2 STREAM TYPE Natural Stream JURISDICTION Avondale, Arizona WATERSHED Lower ACDC / South Mountain SECTION/TOWNSHIP/RANGE S36 T1N R1W LATITUDE N 33° 22' 58.2" | +33.38282 LONGITUDE W 112° 18' 29.2" | -112.30812 STREAMGAGE INSTALLATION DATE 12/16/1998 - WY 1999 AVAILABLE PERIOD OF RECORD (POR) 12/16/1998 - Current LENGTH OF AVAILABLE POR DATA 18.79 Years | 6,864 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.15 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 927.14 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 49,394 cfs | 9.15 feet | 02/13/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 324 Watershed Map Gila River at 116th Avenue - water year peaks 60,000 Discharge (cfs) 50,000 40,000 30,000 20,000 10,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 325 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 03/02/2017 5.99 11,075 Hydrograph of peak WY 2017 flow event, 03/02/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 326 Gila River at 116th Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 261 2 6482 3 2226 --4 10 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 8979 0 0 0 0 0 0 MEAN 0 0 0 0 0 290 0 0 0 0 0 0 MAX 0 0 0 0 0 11075 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 17809 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 8979 MEAN 25 MAX 11075 MIN 0 AC_FT 17809 FCDMC Annual Surface Water Report, Water Year 2017 Page 327 Gila River at Estrella Parkway, ID #6853 Site Data LOCATION Located at Estrella Parkway crossing of the Gila River DRAINAGE AREA 45,585 mi2 STREAM TYPE Natural Stream JURISDICTION Goodyear, Arizona WATERSHED Waterman SECTION/TOWNSHIP/RANGE S31 T1N R1W LATITUDE N 33° 23' 20.6" | +33.38908 LONGITUDE W 112° 23' 32.9" | -112.39248 STREAMGAGE INSTALLATION DATE 12/02/1992 - WY 1993 AVAILABLE PERIOD OF RECORD (POR) 12/02/1992 - Current LENGTH OF AVAILABLE POR DATA 24.83 Years | 9,069 Days DATA GAPS IN POR 01/08/1993 - 03/01/1993 STAGE GAGE ELEVATION 1.92 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 883.11 feet M.S.L. POINT OF ZERO FLOW 1.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 75,883 cfs | 16.45 feet | 02/16/1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 328 Watershed Map Gila River at Estrella Parkway - water year peaks 80,000 Discharge (cfs) 70,000 60,000 50,000 40,000 30,000 20,000 10,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 329 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 03/02/2017 11.14 14,893 Hydrograph of peak WY 2017 flow event, 03/02/2017 Flood Flow Frequency Flood Flow Frequency From Study of Modified Roosevelt Dam Table 2-4 2-year 5-year 10-year 20-year 50-year 100-year 20,000 50,000 84,000 170,000 217,000 FCDMC Annual Surface Water Report, Water Year 2017 Page 330 Gila River at Estrella Parkway, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 9124 3 4825 4 1072 5 793 6 804 7 602 8 541 9 623 10 493 11 378 12 262 13 119 14 21 15 4 16 1 17 1 18 1 19 20 21 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 2 0 0 0 19662 0 0 0 0 0 0 MEAN 0 0 0 0 0 634 0 0 0 0 0 0 MAX 0 2 0 0 0 14893 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 5 0 0 0 38999 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 19664 MEAN 54 MAX 14893 MIN 0 AC_FT 39004 FCDMC Annual Surface Water Report, Water Year 2017 Page 331 Golden Eagle Park Dam, ID #5978 Site Data LOCATION In Golden Eagle Park, near Fountain Hills High School DRAINAGE AREA 7.13 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Fountain Hills, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S09 T3N R6E LATITUDE N 33° 37' 07.7" | +33.61880 LONGITUDE W 111° 44' 06.2" | -111.73507 STREAMGAGE INSTALLATION DATE 12/12/1996 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 12/12/1996 - Current LENGTH OF AVAILABLE POR 20.80 Years | 7,598 Days DATA GAPS IN POR 05/01/2000 - 03/05/2001 (station was located on inflow wash due to construction) STAGE GAGE ELEVATION 2.56 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,694.60 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 20.26 feet Gage Height TOP OF DAM ELEVATION 31.9 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 332 Watershed Map Volume (acre-feet) Golden Eagle Park Dam - water year peaks 20 18 16 14 12 10 8 6 4 2 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 333 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/24/2016 01/20/2017 07/24/2017 08/03/2017 Peak Gage Height (feet) 5.98 3.83 4.37 5.78 6.37 Peak Volume (ac-ft) 2.3 0.8 1.2 2.3 2.7 Percent Spillway Capacity 2.6 1.0 1.4 2.4 2.9 Hydrograph of peak WY 2017 impoundment event, 08/03/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 334 Golden Eagle Park Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 110 4 273 5 249 6 247 7 246 8 232 9 --186 10 --116 11 --34 12 --13 1 --14 --15 --16 9 17 26 18 29 19 17 20 14 21 22 42 23 24 47 161 25 5 84 26 57 27 44 28 3 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 1 0 94 14 0 0 1 1 1 349 1774 0 MEAN 0 0 3 0 0 0 0 0 0 11 57 0 MAX 10 0 451 296 2 0 1 1 1 431 491 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 0 186 27 1 0 1 1 1 693 3518 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2234 MEAN 6 MAX 491 MIN 0 AC_FT 4430 FCDMC Annual Surface Water Report, Water Year 2017 Page 335 Golden Eagle Park Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 1 4 1 5 1 6 1 7 1 8 1 9 --1 10 --1 11 --12 --13 --14 --15 --16 17 18 19 20 21 22 23 24 1 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 2 1 0 0 0 0 0 2 3 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 3 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 336 Golden Eagle Park Dam, stage data Station Number: 5978 Name: Golden Eagle Park Da Depth, in feet, Water Year October 2016 to September 2017 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 3.3 2.6 4 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 4.2 2.6 5 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3.9 2.6 6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3.9 2.6 7 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3.9 2.6 8 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3.8 2.6 9 2.6 2.6 2.6 2.6 2.6 --2.6 2.6 2.6 2.6 3.5 2.6 10 2.6 2.6 2.6 2.6 2.6 --2.6 2.6 2.6 2.6 3.3 2.6 11 2.6 2.6 2.6 2.6 2.6 --2.6 2.6 2.6 2.6 2.9 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 13 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 15 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 2.7 2.6 17 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.8 2.6 18 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.8 2.6 19 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.7 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 2.8 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 2.8 2.6 2.6 2.6 2.6 2.6 2.6 3.5 2.6 2.6 25 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3.2 2.6 2.6 26 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 3.0 2.6 2.6 27 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.9 2.6 2.6 28 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 29 2.6 2.6 2.6 2.6 --2.6 2.6 2.6 2.6 2.6 2.6 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 2.9 2.6 MAX 2.7 2.6 6.0 4.4 2.6 2.6 2.6 2.6 2.6 5.8 6.4 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 2017 MEAN 2.60 MAX 6.37 MIN 2.56 FCDMC Annual Surface Water Report, Water Year 2017 Page 337 Grand Avenue at 27th Avenue Basin, ID #3807 Site Data LOCATION Located near north and east of Thomas Road and 27th Ave DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Phoenix, Arizona WATERSHED Lower ACDC SECTION/TOWNSHIP/RANGE S25 T2N R2E LATITUDE N 33° 28' 54.8" | +33.48189 LONGITUDE W 112° 06' 58.6" | -112.11627 STREAMGAGE INSTALLATION DATE 10/06/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 10/06/2015 - Current LENGTH OF AVAILABLE POR DATA 1.99 Years | 726 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.45 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 8.6 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 338 Watershed Map Volume (acre-feet) Verde Lane and 26th Avenue Basin - water year peaks 20 18 16 14 12 10 8 6 4 2 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 339 2020 Water Year 2025 WY2017 Events Date of Peak 07/17/2017 07/20/2017 07/24/2017 07/29/2017 08/13/2017 Peak Gage Height (feet) 1.93 1.01 1.56 1.71 1.56 Peak Volume (ac-ft) 6.0 2.9 4.7 5.2 4.7 Percent Spillway Capacity 16.0 8.0 12.8 14.1 12.8 Hydrograph of peak WY 2017 impoundment event, 07/17/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 340 Grand Avenue at 27th Avenue Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 14 15 16 17 3 18 2 19 20 21 1 22 23 24 1 25 26 27 28 29 --1 30 --1 31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 9 1 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 1 0 3 3 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 17 1 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 10 MEAN 0 MAX 3 MIN 0 AC_FT 19 FCDMC Annual Surface Water Report, Water Year 2017 Page 341 Grand Avenue at 27th Avenue Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2 14 1 15 16 17 5 18 3 19 2 20 1 1 21 2 22 1 23 24 2 25 2 26 27 28 29 --1 30 --3 31 --------2 -------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 0 0 0 0 0 3 0 6 5 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 6 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 342 Grand Avenue at 27th Avenue Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 2 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 3 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 4 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 5 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 6 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 7 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 8 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 9 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 10 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 11 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 12 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 13 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.9 0.5 14 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.6 0.5 15 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 16 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 17 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 1.7 0.5 0.5 18 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 1.2 0.5 0.5 19 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.7 0.5 0.5 20 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.6 0.5 0.6 0.5 0.5 21 4.2 4.2 4.2 4.2 4.2 2.3 0.5 0.5 0.5 0.8 0.5 0.5 22 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.6 0.5 0.5 23 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 24 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 1.0 0.5 0.5 25 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.7 0.5 0.5 26 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 27 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 28 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 29 4.2 4.2 4.2 4.2 --0.5 0.5 0.5 0.5 0.8 0.5 0.5 30 4.2 4.2 4.2 4.2 --0.5 0.5 0.5 0.5 1.1 0.5 0.5 31 4.2 --4.2 4.2 --0.5 --0.5 --0.7 0.5 -------------------------------------------------------------------------------MEAN 4.2 4.2 4.2 4.2 4.2 2.9 0.4 0.5 0.5 0.6 0.5 0.5 MAX 4.2 4.2 4.2 4.2 4.2 4.2 0.5 0.9 0.5 1.9 1.6 0.5 MIN 4.2 4.2 4.2 4.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 -----------------------------------------------------------------------------WTR YR 2017 MEAN 2.23 MAX 4.20 MIN 0.45 FCDMC Annual Surface Water Report, Water Year 2017 Page 343 Granite Reef Diversion, ID #4568 Site Data LOCATION Located along Bush Highway near Granite Reef Dam DRAINAGE AREA 33.2 mi2 STREAM TYPE Engineered Channel JURISDICTION Maricopa County, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S18 T2N R7E LATITUDE N 33° 30' 43.1" | +33.51197 LONGITUDE W 111° 41' 01.9" | -111.68386 STREAMGAGE INSTALLATION DATE 07/21/2005 - WY 2005 AVAILABLE PERIOD OF RECORD (POR) 07/21/2005 - Current LENGTH OF POR 12.20 Years | 4,455 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.55 feet Gage Height ZERO GAGE HEIGHT ELEVATION 0.0 feet Gage Height POINT OF ZERO FLOW -0.4 feet Gage Height EXTREME FOR PERIOD OF RECORD 770 cfs | 1.78 Feet | 03/07/2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 344 Watershed Map Granite Reef Diversion - water year peaks 900 Discharge (cfs) 800 700 600 500 400 300 200 100 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 345 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) No recorded runoff Hydrograph of peak WY 2017 flow event, There were no runoff events in water year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 346 Granite Reef Diversion, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 347 Granite Reef Wash, ID #4728 Site Data LOCATION On McDowell Road near Granite Reef Road DRAINAGE AREA 7.2 mi2 STREAM TYPE 1-Barrel Culvert JURISDICTION Scottsdale, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S36 T2N R4E LATITUDE N 33° 27' 57.6" | +33.46599 LONGITUDE W 111° 53' 54.9" | -111.89857 STREAMGAGE INSTALLATION DATE 06/26/2007 - WY 2007 AVAILABLE PERIOD OF RECORD (POR) 06/26/2007 - Current LENGTH OF AVAILABLE POR DATA DATA 10.27 Years | 3,750 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.28 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,202.72 feet NAVD88 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 235 cfs | 7.76 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 348 Watershed Map Granite Reef Wash - water year peaks Discharge (cfs) 250 200 150 100 50 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 349 2020 WY2017 Events Date of Peak 11/03/2016 11/27/2016 12/22/2016 12/22/2016 12/24/2016 01/01/2017 01/20/2017 02/18/2017 02/28/2017 07/16/2017 07/23/2017 07/24/2017 08/03/2017 08/23/2017 Peak Gage Height 2.20 2.01 2.61 2.63 1.98 1.88 3.20 2.08 2.03 3.78 3.68 2.66 3.20 3.25 Peak Discharge (cfs) 17 12 27 28 12 10 23 14 13 30 28 17 23 23 Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 350 Granite Reef Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 3 2 3 4 5 6 7 8 9 1 10 11 12 13 14 2 15 3 16 3 17 5 18 5 4 19 3 3 20 3 3 21 1 2 22 5 4 23 4 1 24 2 3 1 25 3 3 26 3 27 1 1 28 3 3 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 3 11 6 11 0 0 0 0 44 4 0 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 12 16 23 11 0 0 0 0 30 23 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 7 22 11 22 0 0 0 0 87 9 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 80 MEAN 0 MAX 30 MIN 0 AC_FT 158 FCDMC Annual Surface Water Report, Water Year 2017 Page 351 Greene Wash at SR84 – ID #0793 Site Data LOCATION On SR 84 between Stanfield and Casa Grande DRAINAGE AREA 1,729 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Pinal County, Arizona WATERSHED Santa Rosa SECTION/TOWNSHIP/RANGE S21 T6S R4E LATITUDE N 32° 52' 46.1" | +32.87948 LONGITUDE W 111° 56' 01.3" | -111.93369 STREAMGAGE INSTALLATION DATE 03/23/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 03/23/1994 - Current LENGTH OF AVAILABLE POR DATA 23.53 Years | 8,593 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 2 ZERO GAGE HEIGHT ELEVATION 1,295.256 feet NAVD88 EXTREME FOR PERIOD OF RECORD 1,391 cfs | 3.67 feet GH | 08/02/2006 FCDMC Annual Surface Water Report, Water Year 2017 Page 352 Watershed Map Greene Wash at SR84 - water year peaks 1,600 Discharge (cfs) 1,400 1,200 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 353 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) No runoff recorded Hydrograph of peak WY 2017 flow event, There were no runoff events in water year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 354 Greene Wash at SR84, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 4 3 17 4 18 5 16 6 15 7 18 8 11 9 12 10 13 --11 18 12 17 13 17 14 19 15 18 16 14 17 19 18 28 19 20 20 18 21 19 --22 26 --23 27 24 25 25 21 26 22 27 20 28 29 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 503 0 0 0 0 0 0 0 0 0 0 MEAN 0 17 0 0 0 0 0 0 0 0 0 0 MAX 0 42 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 0 999 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 503 MEAN 1 MAX 42 MIN 0 AC_FT 999 FCDMC Annual Surface Water Report, Water Year 2017 Page 355 Guadalupe Road Channel, ID #6603 Site Data LOCATION On Guadalupe Road between Power and Sossaman Roads DRAINAGE AREA 18.6 mi2 STREAM TYPE Engineered Channel JURISDICTION Mesa, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S06 T1S R7E LATITUDE N 33° 21' 54.8" | +33.36523 LONGITUDE W 111° 40' 34.4" | -111.67621 STREAMGAGE INSTALLATION DATE 08/07/1998 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 08/07/1998 - Current LENGTH OF AVAILABLE POR DATA 19.15 Years | 6,995 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.50 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,344.20 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 940 cfs | 2.88 feet | 07/23/2002 FCDMC Annual Surface Water Report, Water Year 2017 Page 356 Watershed Map Discharge (cfs) Guadalupe Channel - water year peaks 1,000 900 800 700 600 500 400 300 200 100 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 357 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/24/2017 08/03/2017 Peak Gage Height (feet) 1.28 1.45 Peak Discharge (cfs) 244 308 Hydrograph of peak WY 2017 flow event, 08/03/2017 Flood Flow Frequency Flood Flow Frequency N=20, HEC-WRC computation (based on 20 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 320 554 732 918 1,180 1,390 NOTE(1): These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 358 Guadalupe Road Channel, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 22 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 39 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 39 22 0 MEAN 0 0 0 0 0 0 0 0 0 1 1 0 MAX 0 0 0 0 0 0 0 0 0 244 308 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 76 44 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 61 MEAN 0 MAX 308 MIN 0 AC_FT 120 FCDMC Annual Surface Water Report, Water Year 2017 Page 359 Guadalupe FRS, ID #6503 Site Data LOCATION Located west of I-10 and south of Baseline Road DRAINAGE AREA 1.87 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S05 T1S R4E LATITUDE N 33° 22' 19.0" | +33.37194 LONGITUDE W 111° 58' 13.7" | -111.97047 STREAMGAGE INSTALLATION DATE 06/29/1989 - WY 1989 AVAILABLE PERIOD OF RECORD (POR) 06/29/1989 - Current LENGTH OF AVAILABLE POR DATA 28.26 Years | 10,321 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.26 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,251.38 feet NAVD88 PZF (CONTROLLED OUTLET) 0.64 feet Gage Height PZF (UNCONTROLLED OUTLET) 9.64 feet Gage Height SPILLWAY ELEVATION 24.64 feet Gage Height TOP OF DAM ELEVATION 32.14 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 360 Watershed Map Guadalupe FRS - water year peaks Volume (acre-feet) 120 100 80 60 40 20 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 361 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity No impoundment Hydrograph of peak WY 2017 impoundment event There were no recorded impoundments during Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 362 Guadalupe FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 363 Guadalupe FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 364 Guadalupe FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.3 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 2017 MEAN 0.26 MAX 0.26 MIN 0.26 FCDMC Annual Surface Water Report, Water Year 2017 Page 365 Harquahala FRS, ID #5128 Site Data LOCATION Located northeast of I-10 and Salome Highway interchange DRAINAGE AREA 102.3 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S05 T2N R8W LATITUDE N 33° 32' 55.3" | +33.54868 LONGITUDE W 113° 05' 51.8" | -113.09772 STREAMGAGE INSTALLATION DATE 03/01/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 03/01/1994 - Current LENGTH OF AVAILABLE POR DATA 23.59 Years | 8,615 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.38 feet Gage Height STAFF GAGES 7 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,374.89 feet NAVD 1988 POINT OF ZERO FLOW (CONTROLLED) 0.57 feet Gage Height POINT OF ZERO FLOW (UNCONTROLLED) 14.50 feet Gage Height SPILLWAY ELEVATION 35.7 feet Gage Height TOP OF DAM ELEVATION 46.7 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 366 Watershed Map Harquahala FRS - water year peaks Volume (acre-feet) 600 500 400 300 200 100 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 367 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity 07/28/2017 13.67 22.3 0.3 Hydrograph of peak WY 2017 impoundment event, 07/28/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 368 Harquahala FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 369 Harquahala FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 26 27 28 1 29 --16 30 --11 31 --------8 -------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 0 0 0 0 0 0 0 0 0 22 5 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 22 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 370 Harquahala FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 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 5.2 0.4 2 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.3 0.4 3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2.0 0.4 4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.6 0.4 5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.4 0.4 6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.3 0.4 7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.2 0.4 8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.1 0.4 9 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.1 0.4 10 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.0 0.4 11 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.0 0.4 12 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.9 0.4 13 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.8 0.4 14 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.8 0.4 15 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.7 0.4 16 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.6 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 0.4 0.4 27 0.4 0.4 0.4 0.4 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 1.5 0.4 0.4 29 0.4 0.4 0.4 0.4 --0.4 0.4 0.4 0.4 12.8 0.4 0.4 30 0.4 0.4 0.4 0.4 --0.4 0.4 0.4 0.4 11.7 0.4 0.4 31 0.4 --0.4 0.4 --0.4 --0.4 --- 10.8 0.4 -------------------------------------------------------------------------------MEAN 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 1.5 0.9 0.4 MAX 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 13.7 9.7 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 2017 MEAN 0.52 MAX 13.67 MIN 0.38 FCDMC Annual Surface Water Report, Water Year 2017 Page 371 Hartman Wash, ID #7063 Site Data LOCATION About 3 miles west of Vulture Mine Road on US 60 DRAINAGE AREA 5.4 mi2 STREAM TYPE Natural Stream JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S15 T7N R6W LATITUDE N 33° 57' 46.0" | +33.96277 LONGITUDE W 112° 49' 40.7" | -112.82798 STREAMGAGE INSTALLATION DATE 07/06/1994 - WY 1994 AVAILABLE PERIOD OF RECOD 07/06/1994 - Current LENGTH OF AVAILABLE POR DATA 23.24 Years | 8,488 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.05 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 3 ZERO GAGE HEIGHT ELEVATION 2,459.61 feet NAVD 1988 POINT OF ZERO FLOW -0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 3,400 cfs | 7.94 feet | 07/30/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 372 Watershed Map Hartman Wash - water year peaks 4,000 Discharge (cfs) 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 373 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 07/15/2017 08/10/2017 Peak Gage Height (feet) 2.71 2.06 Peak Discharge (cfs) 626 404 Hydrograph of peak WY 2017 flow event, 07/15/2017 Flood Flow Frequency Flood Flow Frequency N=44, HEC-WRC computation (based on 44 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 256 1,060 2,030 3,280 5,370 7,250 NOTE: These results are based on limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 374 Hartman Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 11 12 13 14 15 13 16 17 18 19 20 21 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 3 0 0 0 13 10 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 1 0 0 0 626 404 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 6 0 0 0 26 20 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 26 MEAN 0 MAX 626 MIN 0 AC_FT 52 FCDMC Annual Surface Water Report, Water Year 2017 Page 375 Hassayampa River at Wagoner, ID #5352 Site Data LOCATION Located on the Wagoner Road bridge crossing of the Hassayampa River DRAINAGE AREA 78 mi2 STREAM TYPE Natural Stream JURISDICTION Yavapai County, Arizona WATERSHED Upper Hassayampa SECTION/TOWNSHIP/RANGE S09 T11N R3W LATITUDE N 34° 18' 36.5" | +34.31016 LONGITUDE W 112° 34' 07.6" | -112.56879 STREAMGAGE INSTALLATION DATE 12/19/1983 - WY 1984 AVAILABLE PERIOD OF RECORD (POR) 11/27/1991 - Current LENGTH OF AVAILABLE POR DATA 25.85 Years | 9.440 Days DATA GAPS IN POR 09/25/2007 - 05/28/2008 STAGE GAGE ELEVATION 2.18 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 3,741.05 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,068 cfs | 5.00 feet | 01/08/1993 FCDMC Annual Surface Water Report, Water Year 2017 Page 376 Watershed Map Hassayampa River at Wagoner Bridge - water year peaks 6,000 Discharge (cfs) 5,000 4,000 3,000 2,000 1,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 377 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 07/28/2017 3.50 706 Hydrograph of peak WY 2017 flow event, 07/28/2017 Flood Flow Frequency Flood Flow Frequency N=26, HEC-WRC computation (based on 26 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 416 1,830 3,740 6,580 12,100 17,700 NOTE: These results are based on limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 378 Hassayampa River at Wagoner, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 8 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 8 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 706 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 16 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 8 MEAN 0 MAX 706 MIN 0 AC_FT 16 FCDMC Annual Surface Water Report, Water Year 2017 Page 379 Hassayampa River at Box Canyon, ID #5308 Site Data LOCATION Northeast of Wickenburg DRAINAGE AREA 417 mi2 STREAM TYPE Natural Stream JURISDICTION Yavapai County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S07 T8N R4W LATITUDE N 34° 02' 42.3" | +34.04508 LONGITUDE W 112° 42' 36.5" | -112.71013 STREAMGAGE INSTALLATION DATE 11/17/1983 - WY 1984 AVAILABLE PERIOD OF RECORD (POR) 10/16/1991 - Current LENGTH OF AVAILABLE POR DATA 25.96 Years | 9,482 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 3.15 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 2 ZERO GAGE HEIGHT ELEVATION 2,236.13 feet M.S.L. POINT OF ZERO FLOW 2.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 26,000 cfs | 18.90 feet | 01/21/2010 EXTREME OUTSIDE PERIOD OF RECORD 58,000 cfs | 34.6 feet | 09/05/1970 FCDMC Annual Surface Water Report, Water Year 2017 Page 380 Watershed Map Hassayampa River at Box Canyon - water year peaks 70,000 Discharge (cfs) 60,000 50,000 40,000 30,000 20,000 10,000 0 1925 1955 FCDMC Annual Surface Water Report, Water Year 2017 Page 381 1985 Water Year 2015 WY2017 Events Date of Peak 01/21/2017 02/19/2017 02/28/2017 Peak Gage Height (feet) 7.26 4.23 8.92 Peak Discharge (cfs) 2,594 219 5,161 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flood Flow Frequency N=67, HEC-WRC computation (based on 67 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 3,280 10,300 17,900 27,800 44,600 60,500 NOTE: These results are based on available data. FCDMC Annual Surface Water Report, Water Year 2017 Page 382 Hassayampa River at Box Canyon, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 78 2 --36 3 53 4 77 5 77 6 63 7 46 8 38 9 32 10 26 11 23 12 20 13 12 14 7 15 4 16 3 17 1 18 19 131 1 20 101 1 21 467 46 1 22 30 23 19 24 1 8 25 4 26 2 27 28 1704 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 469 2046 597 0 0 0 0 0 0 MEAN 0 0 0 17 73 19 0 0 0 0 0 0 MAX 0 0 0 2594 5161 198 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 930 4058 1184 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 3111 MEAN 9 MAX 5161 MIN 0 AC_FT 6171 FCDMC Annual Surface Water Report, Water Year 2017 Page 383 Hassayampa River at US60, ID #5228 Site Data LOCATION US 60 crossing of the Hassayampa River DRAINAGE AREA 711 mi2 STREAM TYPE Natural Stream JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S12 T7N R5W LATITUDE N 33° 58' 13.2" | +33.97032 LONGITUDE W 112° 43' 37.3" | -112.72704 STREAMGAGE INSTALLATION DATE 03/14/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 03/14/1994 - 10/01/2010 LENGTH OF AVAILABLE POR DATA 23.55 Years | 8,602 Days DATA GAPS IN POR 06/26/2009 - 04/13/2010 STAGE GAGE ELEVATION 0.60 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 2 ZERO GAGE HEIGHT ELEVATION 2,034.85 feet NAVD 1988 POINT OF ZERO FLOW 0.5 feet Gage Height EXTREME FOR PERIOD OF RECORD 16,089 cfs | 4.32 feet | 02/12/2005 EXTREME OUTSIDE PERIOD OF RECORD 52,000 cfs | 10.3 feet | 09/05/1970 FCDMC Annual Surface Water Report, Water Year 2017 Page 384 Watershed Map Hassayampa River at US60 - water year peaks Discharge (cfs) 25,000 20,000 15,000 10,000 5,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 385 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/21/2017 02/19/2019 02/28/2017 07/18/2017 07/29/2017 08/01/2017 08/10/2017 Peak Gage Height (feet) 2.20 1.58 2.90 2.50 0.83 1.60 1.25 Peak Discharge (cfs) 2,694 1,135 5,750 3,811 76 1,170 524 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 2,880 10,800 19,500 30,200 47,200 61,800 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 386 Hassayampa River at US60, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1899 94 2 --792 22 3 339 4 291 5 276 6 213 7 167 8 151 9 149 10 123 1 13 11 140 --12 129 --13 132 --14 52 --15 16 17 18 99 188 19 679 20 33 582 21 1069 122 22 91 23 24 25 26 1 27 83 28 2990 29 --2 30 --31 ---------------------------------------------------------------------------------------TOTAL 1 0 0 1193 4556 4853 0 0 0 190 130 0 MEAN 0 0 0 42 163 157 0 0 0 6 4 0 MAX 2 0 0 2754 6134 2546 0 0 0 3811 1170 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 0 0 2366 9036 9626 0 0 0 377 257 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 10921 MEAN 30 MAX 6134 MIN 0 AC_FT 21662 FCDMC Annual Surface Water Report, Water Year 2017 Page 387 Hassayampa River near Morristown, ID #5223 Site Data LOCATION Located about 6 miles south of Wickenburg DRAINAGE AREA 796 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S03 T6N R4W LATITUDE N 33° 53' 05.3" | +33.88481 LONGITUDE W 112° 39' 42.3" | -112.66174 STREAMGAGE INSTALLATION DATE 05/07/1996 - WY 1996 AVAILABLE PERIOD OF RECORD (POR) 05/07/1996 - Current LENGTH OF AVAILABLE POR DATA 21.40 Years | 7,817 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 7.25 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 8.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 16,900 cfs | 14.21 feet | 01/22/2010 EXTREME OUTSIDE PERIOD OF RECORD 47,500 cfs | 09/05/1970 FCDMC Annual Surface Water Report, Water Year 2017 Page 388 Watershed Map Hassayampa River near Morristown - water year peaks 18,000 Discharge (cfs) 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 389 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/01/2017 01/21/2017 02/28/2017 08/10/2017 Peak Gage Height (feet) 8.15 9.57 10.31 8.93 Peak Discharge (cfs) 307 1,696 2,841 975 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flood Flow Frequency N=64, HEC-WRC computation (based on 64 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 3,090 9,620 15,400 21,500 29,400 35,200 NOTE: These results are based on available data. FCDMC Annual Surface Water Report, Water Year 2017 Page 390 Hassayampa River near Morristown, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 50 470 2 121 3 4 5 6 --7 8 9 10 43 11 19 12 13 14 15 16 17 18 19 20 21 537 22 296 23 80 24 25 50 26 7 27 28 855 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 962 855 591 57 0 0 0 63 0 MEAN 0 0 0 31 31 19 2 0 0 0 2 0 MAX 0 0 0 1696 2841 689 975 0 0 0 975 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 1909 1695 1172 112 0 0 0 124 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2527 MEAN 7 MAX 2841 MIN 0 AC_FT 5013 FCDMC Annual Surface Water Report, Water Year 2017 Page 391 Hassayampa River at I-10, ID #5283 Site Data LOCATION Located on the eastbound I-10 bridge DRAINAGE AREA 1,450 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S03 T1N R5W LATITUDE N 33° 27' 28.2" | +33.45782 LONGITUDE W 112° 45' 40.7" | -112.76139 STREAMGAGE INSTALLATION DATE 11/09/1994 - WY 1995 AVAILABLE PERIOD OF RECORD (POR) 11/09/1994 - Current LENGTH OF AVAILABLE POR DATA 22.89 Years | 8,362 Days DATA GAPS IN POR 02/15/2011 - 01/30/2012 STAGE GAGE ELEVATION 2.402 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 3 ZERO GAGE HEIGHT ELEVATION 1,018.722 feet NAVD 1988 POINT OF ZERO FLOW 1.9 feet Gage Height EXTREME FOR PERIOD OF RECORD 27,000 cfs | 7.05 feet | 10/27/2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 392 Watershed Map Hassayampa River at I-10 - water year peaks 30,000 Discharge (cfs) 25,000 20,000 15,000 10,000 5,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 393 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 02/28/2017 2.62 1,000 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flood Flow Frequency N=23, HEC-WRC computation (based on 23 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 589 2,470 5,430 10,600 22,900 38,800 NOTE(1): These results are based on very limited data. NOTE(2): FEMA 100-year discharge is 75,164 cfs FCDMC Annual Surface Water Report, Water Year 2017 Page 394 Hassayampa River at I-10, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 ------28 208 ------29 --------30 --------31 -----------------------------------------------------------------------------------------TOTAL 0 0 0 0 208 26 --0 0 0 0 0 MEAN 0 0 0 0 7 1 --0 0 0 0 0 MAX 0 0 0 0 1000 ----0 0 0 0 0 MIN 0 0 0 0 0 ----0 0 0 0 0 AC_FT 0 0 0 0 412 52 --0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 234 MEAN 1 MAX 1000 MIN 0 AC_FT 463 FCDMC Annual Surface Water Report, Water Year 2017 Page 395 Hesperus Dam, ID #5993 Site Data LOCATION East of Golden Eagle Boulevard off of Richwood Avenue DRAINAGE AREA 2.91 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Fountain Hills, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S04 T3N R6E LATITUDE N 33° 38' 11.8" | +33.63661 LONGITUDE W 111° 44' 47.6" | -111.74656 STREAMGAGE INSTALLATION DATE 12/18/1996 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 12/18/1996 - Current LENGTH OF AVAILABLE POR DATA 20.79 Years | 7,592 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.03 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,851.88 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 37.1 feet Gage Height TOP OF DAM ELEVATION 42.3 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 396 Watershed Map Hesperus Dam - water year peaks Volume (acre-feet) 3.0 2.5 2.0 1.5 1.0 0.5 0.0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 397 2005 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/20/2017 08/14/2017 Peak Gage Height (feet) 3.62 4.31 1.71 Peak Volume (ac-ft) 0.1 0.1 0.0 Percent Spillway Capacity 0.1 0.1 0.0 Hydrograph of peak WY 2017 impoundment event, 01/20/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 398 Hesperus Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2 14 1 15 16 17 18 19 20 7 21 22 8 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 2 0 8 7 0 0 0 0 0 0 1 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 36 0 60 67 0 0 0 0 0 0 41 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 3 0 15 14 0 0 0 0 0 0 2 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 17 MEAN 0 MAX 67 MIN 0 AC_FT 34 FCDMC Annual Surface Water Report, Water Year 2017 Page 399 Hesperus Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2016 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 400 Hesperus Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 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 1.2 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 1.1 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 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 28 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 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 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 1.5 1.0 3.6 4.3 1.0 1.0 1.0 1.0 1.0 1.0 1.7 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 2017 MEAN 1.03 MAX 4.31 MIN 1.03 FCDMC Annual Surface Water Report, Water Year 2017 Page 401 Indian Bend Wash at Sweetwater Avenue – ID #4643 Site Data LOCATION Near 36th Street and Sweetwater Ave DRAINAGE AREA 11.7 mi2 STREAM TYPE Channelized Stream JURISDICTION Phoenix, Arizona WATERSHED Middle Indian Bend SECTION/TOWNSHIP/RANGE S13 T3N R3E LATITUDE N 33° 36' 13.3" | +33.60369 LONGITUDE W 112° 00' 16.0" | -112.00445 STREAMGAGE INSTALLATION DATE 12/27/1990 - WY 1991 AVAILABLE PERIOD OF RECORD (POR) 03/27/1992 - Current LENGTH OF AVAILABLE POR DATA DATA 25.51 Years | 9,319 Days DATA GAPS IN POR 04/27/1997 - 11/22/1998 STAGE GAGE ELEVATION 0.00 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,387.633 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 2,093 cfs | 4.90 feet | 08/02/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 402 Watershed Map Indian Bend Wash at Sweetwater Avenue - water year peaks Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 403 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 11/27/2016 12/22/2016 12/24/2016 12/31/2016 01/01/2017 01/20/2017 02/27/2017 02/28/2017 07/16/2017 08/03/2017 08/23/2017 Peak Gage Height (feet) 0.72 1.29 0.99 0.87 0.82 0.92 0.90 1.13 2.52 2.16 2.89 Peak Discharge (cfs) 14 114 72 58 52 63 61 91 372 282 478 Hydrograph of peak WY 2017 flow event, 08/23/2017 Flood Flow Frequency Flood Flow Frequency N=26, HEC-WRC computation (based on 26 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 422 864 1,250 1,680 2,330 2,900 3,500 6,000 FEMA FIS, Flood Flow Frequency 2,000 NOTE: Results for the HEC-WRC analysis are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 404 Indian Bend Wash at Sweetwater Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 5 2 3 36 4 5 6 7 8 9 10 11 12 13 14 15 16 10 17 21 18 5 19 5 20 7 21 22 9 23 27 24 5 51 25 26 27 1 3 28 15 29 --30 --31 --3 -------------------------------------------------------------------------------------TOTAL 0 1 17 12 27 0 0 0 0 31 114 0 MEAN 0 0 1 0 1 0 0 0 0 1 4 0 MAX 0 14 114 63 91 0 0 0 0 372 478 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 2 35 24 53 0 0 0 0 62 227 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 203 MEAN 1 MAX 478 MIN 0 AC_FT 402 FCDMC Annual Surface Water Report, Water Year 2017 Page 405 Indian Bend Wash at Shea Boulevard, ID #4693 Site Data LOCATION Near 52nd Street and Shea Boulevard DRAINAGE AREA 24.6 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S29 T3N R4E LATITUDE N 33° 34' 53.2" | +33.58143 LONGITUDE W 111° 58' 06.3" | -111.96841 STREAMGAGE INSTALLATION DATE 06/09/1998 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 06/09/1998 - Current LENGTH OF AVAILABLE POR DATA DATA 19.31 Years | 7,054 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.35 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,344.26 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,616 cfs | 4.68 feet | 08/02/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 406 Watershed Map Indian Bend Wash at Shea Boulevard - water year peaks 6,000 Discharge (cfs) 5,000 4,000 3,000 2,000 1,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 407 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 11/03/2016 12/22/2016 12/24/2016 12/30/2016 12/31/2016 01/01/2017 01/20/2017 02/18/2017 02/28/2017 07/17/2017 07/21/2017 08/03/2017 08/12/2017 08/13/2017 08/24/2017 Peak Gage Height (feet) 0.95 1.50 1.27 0.95 1.27 1.37 1.32 1.12 1.32 1.72 0.99 1.74 0.92 0.77 2.02 Peak Discharge (cfs) 87 325 208 87 208 255 231 149 231 468 105 483 75 38 718 Hydrograph of peak WY 2017 flow event, 08/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 408 Flood Flow Frequency Flood Flow Frequency N=29, HEC-WRC computation (based on 29 years of data, USGS and FCDMC data) 2-year 5-year 10-year 20-year 50-year 100-year 1,160 2,330 3,380 4,600 6,540 8,290 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 409 Inidan Bend Wash at Shea Boulevard, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 138 2 63 --3 13 29 98 4 11 22 107 5 5 28 6 7 2 8 31 9 30 10 5 11 12 22 13 22 14 15 16 12 17 197 18 85 63 19 140 40 20 34 90 19 21 18 107 38 67 22 153 34 66 23 59 32 39 25 24 76 62 56 251 25 59 31 49 36 26 28 3 31 13 27 9 11 28 113 29 --30 10 ----31 --119 -------------------------------------------------------------------------------------TOTAL 0 24 530 559 477 0 0 0 0 708 603 0 MEAN 0 1 17 18 17 0 0 0 0 23 19 0 MAX 0 87 325 255 231 0 0 0 0 468 718 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 47 1052 1109 946 0 0 0 0 1403 1196 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2901 MEAN 8 MAX 718 MIN 0 AC_FT 5753 FCDMC Annual Surface Water Report, Water Year 2017 Page 410 Indian Bend Wash near Indian Bend Road – ID #4613 Site Data LOCATION About 1/4 mile south of Indian Bend Road DRAINAGE AREA 88 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Scottsdale, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S11 T2N R4E LATITUDE N 33° 32' 04.0" | +33.53444 LONGITUDE W 111° 54' 51.1" | -111.91422 STREAMGAGE INSTALLATION DATE 09/28/1983 - WY 1983 AVAILABLE PERIOD OF RECORD (POR) 03/27/1992 - Current LENGTH OF AVAILABLE POR DATA 25.51 Years | 9,319 Days DATA GAPS IN POR 09/28/1983 - 03/27/1992 | 07/07/1999 - 01/25/2000 STAGE GAGE ELEVATION -0.15 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,267.18 feet Gage NAVD 1988 POINT OF ZERO FLOW -0.2 feet Gage Height EXTREME FOR PERIOD OF RECORD 9,324 cfs | 5.85 feet | 07/24/1992 EXTREME OUTSIDE PERIOD OF RECORD 21,000 cfs | 06/22/1972 FCDMC Annual Surface Water Report, Water Year 2017 Page 411 Watershed Map Discharge (cfs) Indian Bend Wash near Indian Bend Road - water year peaks 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 412 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/25/2016 01/21/2017 02/19/2017 02/28/2017 07/17/2017 07/24/2017 Peak Gage Height (feet) 0.82 2.27 1.02 1.40 1.72 1.97 Peak Discharge (cfs) 42 275 59 105 156 204 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency Flood Flow Frequency N=26, HEC-WRC computation (based on 26 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 861 2,350 4,070 6,480 11,100 16,000 FCDMC Annual Surface Water Report, Water Year 2017 Page 413 Indian Bend Wash near Indian Bend Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 14 4 36 2 1 40 19 3 15 8 1 4 13 1 5 8 6 7 7 9 8 1 3 9 6 10 1 11 12 13 1 14 2 15 16 5 17 73 18 24 19 29 4 20 21 35 1 21 87 15 22 3 32 13 23 1 14 9 24 9 11 6 47 25 32 16 7 13 26 13 18 1 6 27 21 2 28 12 44 29 12 --30 13 --31 --15 -------------------------------------------------------------------------------------TOTAL 1 0 58 379 165 73 0 0 0 176 2 0 MEAN 0 0 2 12 6 2 0 0 0 6 0 0 MAX 5 0 42 275 105 50 0 0 0 204 5 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 3 0 114 752 328 145 0 0 0 348 3 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 853 MEAN 2 MAX 275 MIN 0 AC_FT 1692 FCDMC Annual Surface Water Report, Water Year 2017 Page 414 Indian Bend Wash at McDonald Drive – ID #4628 Site Data LOCATION On McDonald Drive west of Hayden Road DRAINAGE AREA 88 mi2 STREAM TYPE Engineered Natural Stream JURISDICTION Scottsdale, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S11 T2N R4E LATITUDE N 33° 31' 26.7" | +33.52407 LONGITUDE W 111° 54' 35.8" | -111.90994 STREAMGAGE INSTALLATION DATE 11/24/1997 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 11/24/1997 - Current LENGTH OF AVAILABLE POR DATA DATA 19.85 Years | 7,251 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -1.90 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,261.90 feet NAVD 1988 POINT OF ZERO FLOW -1.9 feet Gage Height EXTREME FOR PERIOD OF RECORD 3,482 cfs | 4.03 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 415 Watershed Map Indian Bend Wash at McDonald Drive - water year peaks 4,000 Discharge (cfs) 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 416 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/25/2016 01/02/2017 01/20/2017 02/19/2017 02/28/2017 07/17/2017 07/24/2017 Peak Gage Height (feet) -0.52 -0.05 0.90 -0.12 0.20 0.23 0.55 Peak Discharge (cfs) 24 139 632 118 235 249 417 Hydrograph of peak WY 2017 flow event, 01/20/2017 Flood Flow Frequency Flood Flow Frequency N=20, HEC-WRC computation (based on 20 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 860 1,720 2,510 3,430 4,920 6,280 FCDMC Annual Surface Water Report, Water Year 2017 Page 417 Indian Bend Wash at McDonald Drive, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 17 11 56 2 55 4 7 3 16 4 13 5 12 6 12 7 12 8 2 9 10 11 12 13 14 15 16 6 17 140 18 1 26 19 41 9 20 35 47 4 21 225 15 22 32 13 23 15 13 24 6 14 11 82 25 22 15 11 13 26 15 16 8 10 27 3 18 5 1 28 14 83 29 13 --30 13 --31 --15 -------------------------------------------------------------------------------------TOTAL 0 0 47 566 264 64 0 0 0 292 1 0 MEAN 0 0 2 18 9 2 0 0 0 9 0 0 MAX 0 0 24 632 235 110 0 0 0 417 7 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 93 1123 523 126 0 0 0 580 2 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1234 MEAN 3 MAX 632 MIN 0 AC_FT 2447 FCDMC Annual Surface Water Report, Water Year 2017 Page 418 Indian Bend Wash at Indian School Road – ID #4618 Site Data LOCATION On Indian School Road west of Hayden Road DRAINAGE AREA 90 mi2 STREAM TYPE Improved Natural Stream JURISDICTION Scottsdale, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S23 T2N R4E LATITUDE N 33° 29' 42.2" | +33.49505 LONGITUDE W 111° 54' 40.5" | -111.91126 STREAMGAGE INSTALLATION DATE 11/25/1997 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 11/25/1997 - Current LENGTH OF AVAILABLE POR DATA 19.85 Years | 7,250 Days DATA GAPS IN POR 11/30/2009 - 02/16/2010 STAGE GAGE ELEVATION 0.72 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,233.19 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 3,887 cfs | 5.50 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 419 Watershed Map Indian Bend Wash at Indian School Road - water year peaks 4,500 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 420 2005 2010 2015 2020 WY2017 Events Date of Peak 01/03/2017 01/21/2017 02/28/2017 07/16/2017 07/17/2017 07/24/2017 08/03/207 Peak Gage Height (feet) 1.04 2.38 1.56 2.01 1.61 1.81 1.29 Peak Discharge (cfs) 100 628 249 433 266 344 165 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency Flood Flow Frequency N=20, HEC-WRC computation (based on 20 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 717 1,580 2,340 3,210 4,550 5,710 FCDMC Annual Surface Water Report, Water Year 2017 Page 421 Indian Bend Wash at Indian School Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 52 2 13 3 45 8 4 5 6 7 8 9 10 11 12 13 14 15 16 18 17 138 18 1 19 20 24 21 190 22 23 24 51 25 26 27 28 62 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 273 62 52 0 0 0 208 8 0 MEAN 0 0 0 9 2 2 0 0 0 7 0 0 MAX 0 0 0 628 249 209 0 0 0 433 165 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 542 123 103 0 0 0 413 16 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 603 MEAN 2 MAX 628 MIN 0 AC_FT 1197 FCDMC Annual Surface Water Report, Water Year 2017 Page 422 Indian Bend Wash near McKellips Road, ID #4603 Site Data LOCATION About 1/3 mile south of McKellips Road DRAINAGE AREA 101 mi2 STREAM TYPE Channelized Natural Ephemeral Stream JURISDICTION Tempe, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S11 T1N R4E LATITUDE N 33° 26' 57.2" | +33.44923 LONGITUDE W 111° 54' 53.3" | -111.91482 STREAMGAGE INSTALLATION DATE 05/21/1985 - WY 1985 AVAILABLE PERIOD OF RECORD (POR) 11/10/1987 - Current LENGTH OF AVAILABLE POR DATA 29.89 Years | 10,918 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,173.99 feet Gage NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,841 cfs | 6.90 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 423 Watershed Map Indian Bend Wash near McKellips Road - water year peaks 7,000 Discharge (cfs) 6,000 5,000 4,000 3,000 2,000 1,000 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 424 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/21/2017 02/19/2017 03/01/2017 07/17/2017 07/24/2017 08/03/2017 08/24/2017 Peak Gage Height (feet) 1.05 2.81 1.07 1.38 1.71 1.54 2.06 1.05 Peak Discharge (cfs) 113 1,076 118 208 344 269 536 113 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency Flood Flow Frequency N=30, HEC-WRC computation (based on 30 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,010 2,610 4,260 6,360 9,930 13,300 FCDMC Annual Surface Water Report, Water Year 2017 Page 425 Indian Bend Wash near McKellips Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 130 2 6 3 123 4 116 5 26 6 10 7 8 1 9 9 2 10 37 11 19 12 3 13 10 14 5 15 6 4 16 29 17 285 18 7 185 19 --83 77 20 --14 60 40 21 ----489 69 34 22 22 149 28 15 23 35 17 6 4 24 7 98 44 25 1 94 7 26 16 27 1 28 16 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 1 22 688 289 136 0 65 0 884 355 0 MEAN 0 0 1 23 10 4 0 2 0 29 11 0 MAX 0 13 113 1076 118 208 0 41 0 344 536 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 2 44 1365 573 270 0 130 0 1753 704 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2441 MEAN 7 MAX 1076 MIN 0 AC_FT 4841 FCDMC Annual Surface Water Report, Water Year 2017 Page 426 Indian Bend Wash Interceptor Channel – ID #4623 Site Data LOCATION Between Pima and Hayden Roads north of the Arizona Canal DRAINAGE AREA 35 mi2 STREAM TYPE Engineered Channel JURISDICTION Scottsdale, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S12 T2N R4E LATITUDE N 33° 31' 59.4" | +33.53317 LONGITUDE W 111° 53' 52.4" | -111.89789 STREAMGAGE INSTALLATION DATE 04/21/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 04/21/1994 - Current LENGTH OF AVAILABLE POR DATA 23.45 Years | 8,564 Days DATA GAPS IN POR 06/16/1999 - 01/11/2000 STAGE GAGE ELEVATION 0.00 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,266.47 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,351 cfs | 5.43 feet | 08/02/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 427 Watershed Map Indian Bend Wash Interceptor Channel - water year peaks 1,600 Discharge (cfs) 1,400 1,200 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 428 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/21/2017 07/16/2017 07/17/2017 07/24/2017 Peak Gage Height (feet) 1.84 0.55 0.57 1.10 Peak Discharge (cfs) 159 35 36 75 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 46 249 583 1,160 2,450 3,990 FCDMC Annual Surface Water Report, Water Year 2017 Page 429 Indian Bend Wash Interceptor Channel, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 17 6 18 19 20 9 21 33 22 23 24 19 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 42 0 0 0 0 0 26 0 0 MEAN 0 0 0 1 0 0 0 0 0 1 0 0 MAX 0 0 0 159 0 0 0 0 0 75 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 84 0 0 0 0 0 52 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 69 MEAN 0 MAX 159 MIN 0 AC_FT 136 FCDMC Annual Surface Water Report, Water Year 2017 Page 430 Jackrabbit Wash, ID #5218 Site Data LOCATION Located near the intersection of Vulture Mine and Wickenburg Roads DRAINAGE AREA 120 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S04 T4N R6W LATITUDE N 33° 42' 55.6" | +33.71543 LONGITUDE W 112° 52' 54.4" | -112.88179 STREAMGAGE INSTALLATION DATE 10/31/2000 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 10/31/2000 - Current LENGTH OF AVAILABLE POR DATA 16.92 Years | 6,179 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.30 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,686.80 feet NAVD 1988 POINT OF ZERO FLOW 0.7 feet Gage Height EXTREME FOR PERIOD OF RECORD 7,974 cfs | 6.18 feet | 09/09/2014 EXTREME OUTSIDE PERIOD OF RECORD 32,400 cfs | 9.90 feet | 10/27/2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 431 Watershed Map Jackrabbit Wash - water year peaks 35,000 Discharge (cfs) 30,000 25,000 20,000 15,000 10,000 5,000 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 432 2010 Water Year 2015 2020 WY2017 Events Date of Peak 10/13/2016 01/20/2017 01/21/2017 02/28/2017 Peak Gage Height (feet) 2.49 2.49 2.59 2.36 Peak Discharge (cfs) 384 384 440 307 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency Flood Flow Frequency N=44, HEC-WRC computation (based on 44 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,020 4,760 9,810 17,100 30,700 44,300 NOTE: These results are based on limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 433 Jackrabbit Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 26 14 15 16 17 18 19 20 20 21 20 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 26 0 0 40 0 0 0 0 0 0 0 0 MEAN 1 0 0 1 0 0 0 0 0 0 0 0 MAX 384 0 0 440 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 52 0 0 80 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 67 MEAN 0 MAX 440 MIN 0 AC_FT 133 FCDMC Annual Surface Water Report, Water Year 2017 Page 434 Lake Margherite – ID #4678 Site Data LOCATION On Hayden Road about 1/4 mile south of Via Linda DRAINAGE AREA 4.91 mi2 STREAM TYPE Engineered Channel JURISDICTION Scottsdale, Arizona WATERSHED Lower Indian Bend SECTION/TOWNSHIP/RANGE S36 T3N R4E LATITUDE N 33° 33' 49.2" | +33.56367 LONGITUDE W 111° 53' 59.0" | -111.89972 STREAMGAGE INSTALLATION DATE 11/24/1997 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 11/24/1997 - Current LENGTH OF AVAILABLE POR DATA DATA 19.85 Years | 7,251 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.80 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,320.65 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 286 cfs | 2.03 feet | 08/02/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 435 Watershed Map Lake Margherite - water year peaks 350 Discharge (cfs) 300 250 200 150 100 50 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 436 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 07/16/2017 1.53 196 Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency Unavailable at this time. FCDMC Annual Surface Water Report, Water Year 2017 Page 437 Lake Margherite, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 17 14 15 16 11 17 18 19 20 21 22 23 --24 25 26 27 28 12 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 17 0 0 0 12 0 0 0 0 11 0 0 MEAN 1 0 0 0 0 0 0 0 0 0 0 0 MAX 93 0 0 0 100 0 0 0 0 196 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 34 0 0 0 25 0 0 0 0 22 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 40 MEAN 0 MAX 196 MIN 0 AC_FT 80 FCDMC Annual Surface Water Report, Water Year 2017 Page 438 Laveen Basin, ID #4578 Site Data LOCATION Located near 43rd Avenue and Southern Avenue DRAINAGE AREA Not Determined STREAM TYPE Flood control basin JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S34 T1N R2E LATITUDE N 33° 23' 25.2" | +33.39033 LONGITUDE W 112° 09' 02.6" | -112.15072 STREAMGAGE INSTALLATION DATE 11/07/2006 - WY 2007 AVAILABLE PERIOD OF RECORD (POR) 11/07/2006 - Current LENGTH OF AVAILABLE POR DATA 10.90 Years | 3,981 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 0.20 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,001.20 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 20.0 feet Gage Height TOP OF BASIN ELEVATION 21.2 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 439 Watershed Map Laveen Basin - water year peaks Volume (acre-feet) 140 120 100 80 60 40 20 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 440 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/21/2017 02/19/2017 02/28/2017 07/15/2017 08/13/2017 08/23/2017 Peak Gage Height (feet) 3.06 3.04 3.04 3.09 2.64 1.34 9.55 1.02 Peak Volume (ac-ft) 4.6 4.5 4.5 4.7 3.2 0.3 32.3 0.1 Percent Spillway Capacity 3.3 3.3 3.3 3.4 2.3 0.2 23.1 0.1 Hydrograph of peak WY 2017 impoundment event, 08/13/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 441 Laveen Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 7 2 8 2 9 2 8 3 8 1 7 4 7 1 7 5 4 1 6 6 1 1 5 7 3 8 1 9 10 11 12 13 11 14 11 15 1 16 17 18 3 19 10 20 9 21 10 9 22 7 9 8 23 9 9 8 24 9 9 7 25 9 9 7 26 8 8 6 27 7 7 5 28 3 7 8 29 6 --30 4 --31 --6 2 -------------------------------------------------------------------------------------TOTAL 0 0 60 118 87 46 0 0 0 0 24 0 MEAN 0 0 2 4 3 1 0 0 0 0 1 0 MAX 0 0 10 10 10 11 0 0 0 0 12 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 118 234 172 92 0 0 0 0 47 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 334 MEAN 1 MAX 12 MIN 0 AC_FT 663 FCDMC Annual Surface Water Report, Water Year 2017 Page 442 Laveen Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 2 4 2 3 3 2 4 2 1 5 1 1 6 1 7 8 9 10 11 12 13 21 14 9 15 16 17 18 1 19 5 20 4 21 4 3 22 3 4 3 23 4 3 2 24 4 4 2 25 4 3 1 26 3 3 1 27 1 2 28 1 2 29 1 --30 --31 --1 -------------------------------------------------------------------------------------MEAN 0 0 1 1 1 0 0 0 0 0 1 0 MAX 0 0 5 5 5 6 0 0 0 0 32 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 32 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 443 Laveen Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 2.4 1.6 2.5 0.2 0.2 0.2 0.2 0.2 0.2 2 0.2 0.2 0.2 2.9 1.6 2.4 0.2 0.2 0.2 0.2 0.2 0.2 3 0.2 0.2 0.2 2.6 1.6 2.2 0.2 0.2 0.2 0.2 0.5 0.2 4 0.2 0.2 0.2 2.2 1.6 2.1 0.2 0.2 0.2 0.3 1.1 0.2 5 0.2 0.2 0.2 1.8 1.5 1.9 0.2 0.2 0.2 0.3 0.9 0.2 6 0.2 0.2 0.2 1.5 1.5 1.8 0.2 0.2 0.2 0.3 0.8 0.2 7 0.2 0.2 0.2 1.4 0.8 1.7 0.2 0.2 0.2 0.5 0.7 0.2 8 0.2 0.2 0.2 1.4 0.7 1.5 0.2 0.2 0.2 0.3 0.6 0.2 9 0.2 0.2 0.2 1.4 0.7 1.4 0.2 0.2 0.2 0.3 0.5 0.2 10 0.2 0.2 0.2 1.3 0.7 1.3 0.2 0.2 0.2 0.3 0.4 0.2 11 0.2 0.2 0.2 1.3 0.7 0.7 0.2 0.2 0.2 0.3 0.3 0.2 12 0.2 0.2 0.2 1.3 0.7 0.2 0.2 0.2 0.2 0.3 1.1 0.2 13 0.2 0.2 0.2 1.3 0.7 0.2 0.2 0.2 0.2 0.3 7.0 0.2 14 0.2 0.2 0.2 1.3 0.7 0.2 0.2 0.2 0.2 0.3 4.4 0.2 15 0.2 0.2 0.2 1.3 0.7 0.2 0.2 0.2 0.2 0.5 1.1 0.2 16 0.2 0.2 0.2 1.3 0.7 0.2 0.2 0.2 0.2 0.7 0.2 0.2 17 0.2 0.2 0.2 1.4 0.7 0.2 0.2 0.2 0.2 0.7 0.2 0.2 18 0.2 0.2 0.2 1.4 1.4 0.2 0.2 0.2 0.2 0.5 0.2 0.2 19 0.2 0.2 0.2 1.3 3.1 0.2 0.2 0.2 0.2 0.5 0.2 0.2 20 0.2 0.2 0.2 1.4 2.9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 3.0 2.7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 2.6 2.9 2.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 2.9 2.7 2.3 0.2 0.2 0.2 0.2 0.2 0.3 0.2 24 0.2 0.2 2.7 2.8 2.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 25 0.2 0.2 2.8 2.7 2.0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 26 0.2 0.2 2.5 2.4 1.9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 27 0.2 0.2 2.1 2.2 1.8 0.2 0.2 0.2 0.2 0.2 0.2 0.2 28 0.2 0.2 1.7 2.0 2.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 29 0.2 0.2 1.4 1.8 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 30 0.2 0.2 1.4 1.7 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 31 0.2 --1.9 1.6 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.8 1.9 1.5 0.8 0.2 0.2 0.2 0.3 0.8 0.2 MAX 0.2 0.2 3.1 3.0 3.1 3.5 0.2 0.2 0.2 1.3 9.6 0.2 MIN 0.2 0.2 0.2 1.2 0.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.60 MAX 9.55 MIN 0.20 FCDMC Annual Surface Water Report, Water Year 2017 Page 444 Magma FRS, ID #6718 Site Data LOCATION Located east of Hunt Highway along Arizona Farms Road DRAINAGE AREA 20.6 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Florence, Arizona WATERSHED Gila / Queen Creek SECTION/TOWNSHIP/RANGE S35 T3S R9E LATITUDE N 33° 07' 11.2" | +33.11978 LONGITUDE W 111° 24' 08.9" | -111.40248 STREAMGAGE INSTALLATION DATE 11/15/2007 - WY 2008 AVAILABLE PERIOD OF RECORD (POR) 11/15/2007 - Current Day LENGTH OF AVAILABLE POR RECORD 9.88 Years | 3,608 Days DATA GAPS IN POR 04/12/2012 - 11/03/2013 STAGE GAGE ELEVATION 1,601.30 feet NAVD 1988 STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,601.00 feet NAVD 1988 POINT OF ZERO FLOW 1,601.50 feet NAVD 1988 SPILLWAY ELEVATION 1,623.20 feet NAVD 1988 TOP OF DAM ELEVATION 1,628.30 feet NAVD 1988 NORMAL DRAWDOWN RATE -0.25 feet per hour FCDMC Annual Surface Water Report, Water Year 2017 Page 445 Watershed Map Magma FRS - water year peaks Volume (acre-feet) 3,500 3,000 2,500 2,000 1,500 1,000 500 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 446 2020 WY2017 Events Date of Peak 01/21/2017 01/23/2017 07/24/2017 08/13/2017 Peak Gage Height (feet) 4.52 3.30 3.00 5.98 Peak Volume (ac-ft) 22.7 0.5 0.1 74.8 Percent Spillway Capacity 0.4 0.0 0.1 1.3 Hydrograph of peak WY 2017 impoundment event, 08/13/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 447 Magma FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 39 14 19 15 16 17 18 19 20 21 28 22 2 23 1 24 6 7 25 4 26 27 28 29 --1 30 --2 31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 37 0 0 0 0 3 12 58 0 MEAN 0 0 0 1 0 0 0 0 0 0 2 0 MAX 0 0 0 37 0 0 0 0 2 21 52 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 73 0 0 0 0 6 23 114 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 109 MEAN 0 MAX 52 MIN 0 AC_FT 216 FCDMC Annual Surface Water Report, Water Year 2017 Page 448 Magma FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 46 14 11 15 16 17 18 19 20 21 10 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 2 0 MAX 0 0 0 23 0 0 0 0 0 1 78 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 78 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 449 Magma FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.8 0.8 2 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 5 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 7 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 9 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 10 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 11 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 12 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 13 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 4.7 0.8 14 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 3.1 0.8 15 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.0 0.8 16 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 17 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 18 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 19 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 20 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 21 0.8 0.8 0.8 3.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 22 0.8 0.8 0.8 1.4 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 23 0.8 0.8 0.8 1.0 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 24 0.8 0.8 0.8 2.0 0.8 0.8 0.8 0.8 0.8 1.9 0.8 0.8 25 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.9 0.8 0.8 26 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.0 0.8 0.8 27 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.9 0.8 0.8 28 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 29 0.8 0.8 0.8 0.8 --0.8 0.8 0.8 1.6 0.8 0.8 0.8 30 0.8 0.8 0.8 0.8 --0.8 0.8 0.8 1.8 0.8 0.8 0.8 31 0.8 --0.8 0.8 --0.8 --0.8 --0.8 0.8 -------------------------------------------------------------------------------MEAN 0.8 0.8 0.8 1.0 0.8 0.8 0.8 0.8 0.9 0.9 1.0 0.8 MAX 0.9 0.8 0.8 4.5 0.8 0.8 0.8 0.8 1.8 3.3 6.0 0.8 MIN 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.84 MAX 5.98 MIN 0.80 FCDMC Annual Surface Water Report, Water Year 2017 Page 450 Martinez Creek, ID #7013 Site Data LOCATION About a mile northwest of the Scenic Loop Road and US 93 intersection DRAINAGE AREA 105 mi2 STREAM TYPE Natural Stream JURISDICTION Yavapai County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S20 T8N R5W LATITUDE N 34° 01' 41.8" | +34.02828 LONGITUDE W 112° 47' 32.1" | -112.79224 STREAMGAGE INSTALLATION DATE 11/23/1994 - WY 1995 AVAILABLE PERIOD OF RECORD (POR) 11/23/1994 - Current LENGTH OF AVAILABLE POR DATA 22.86 Years | 8,348 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.80 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 2,305.81 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 10,562 cfs | 11.42 feet | 07/18/2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 451 Watershed Map Martinez Creek - water year peaks 12,000 Discharge (cfs) 10,000 8,000 6,000 4,000 2,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 452 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 01/21/2017 02/28/2017 07/18/2017 08/01/2017 Peak Gage Height (feet) 3.99 4.01 3.03 5.03 Peak Discharge (cfs) 813 840 159 1,730 Hydrograph of peak WY 2017 flow event, 08/01/2017 Flood Flow Frequency Flood Flow Frequency N=23, HEC-WRC computation (based on 23 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,770 6,490 12,100 19,500 32,500 44,800 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 453 Martinez Creek, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 39 2 --3 --4 5 6 7 8 9 10 11 12 13 14 15 16 --17 18 2 19 20 2 21 53 22 23 24 25 26 27 28 71 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 55 71 0 0 0 0 2 39 0 MEAN 0 0 0 2 3 0 0 0 0 0 1 0 MAX 0 0 0 813 840 0 0 0 0 159 1730 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 109 142 0 0 0 0 4 77 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 167 MEAN 0 MAX 1730 MIN 0 AC_FT 332 FCDMC Annual Surface Water Report, Water Year 2017 Page 454 McDowell Mountain Road, ID #5923 Site Data LOCATION Located in the southeast part of McDowell Mountain Park DRAINAGE AREA 11.9 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S26 T4N R6E LATITUDE N 33° 39' 24.1" | +33.65667 LONGITUDE W 111° 42' 22.8" | -111.70634 STREAMGAGE INSTALLATION DATE 05/18/2004 - WY 2004 AVAILABLE PERIOD OF RECORD (POR) 05/18/2004 - Current LENGTH OF AVAILABLE POR DATA 13.37 Years | 4,884 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW -0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 652 cfs | 1.77 feet | 07/23/2007 FCDMC Annual Surface Water Report, Water Year 2017 Page 455 Watershed Map McDowell Mountain Road - water year peaks 700 Discharge (cfs) 600 500 400 300 200 100 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 456 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/20/2017 02/28/2017 Peak Gage Height (feet) 0.32 0.72 0.17 Peak Discharge (cfs) 27 113 10 Hydrograph of peak WY 2017 flow event, 01/20/2017 Flood Flow Frequency Flood Flow Frequency N=14, HEC-WRC computation (based on 14 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 36 130 253 439 815 1,230 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 457 McDowell Mountain Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2 21 22 23 24 25 26 27 28 1 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 3 1 2 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 27 113 10 38 0 0 7 11 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1 6 1 3 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 6 MEAN 0 MAX 113 MIN 0 AC_FT 12 FCDMC Annual Surface Water Report, Water Year 2017 Page 458 McMicken Dam at Bell Road, ID #5443 Site Data LOCATION Located on the south side of McMicken Dam at Bell Road DRAINAGE AREA 247 mi2 at outlet gage STREAM TYPE Dam Pool Pass-through JURISDICTION Surprise, Arizona WATERSHED Trilby SECTION/TOWNSHIP/RANGE S03 T3N R2W LATITUDE N 33° 38' 17.6" | +33.63823 LONGITUDE W 112° 27' 41.1" | -112.46141 STREAMGAGE INSTALLATION DATE 03/04/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 03/04/2009 - Current LENGTH OF AVAILABLE POR DATA 8.58 Years | 3,133 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.35 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD 784 cfs | 5.80 feet GH | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 459 Watershed Map McMicken Dam at Bell Road - water year peaks 900 Discharge (cfs) 800 700 600 500 400 300 200 100 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 460 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) No runoff recorded Hydrograph of peak WY 2017 flow event There was no runoff recorded in Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 461 McMicken Dam at Bell Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 462 McMicken Dam, ID #5448 Site Data LOCATION Gage is located about 3 miles north of Bell Road DRAINAGE AREA 257.9 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Surprise, Arizona WATERSHED Trilby SECTION/TOWNSHIP/RANGE S24 T4N R2W LATITUDE N 33° 40' 37.2" | +33.67699 LONGITUDE W 112° 25' 24.3" | -112.42342 STREAMGAGE INSTALLATION DATE 03/20/1983 - WY 1983 AVAILABLE PERIOD OF RECORD (POR) 02/18/1988 - Current LENGTH OF AVAILABLE POR DATA 29.62 Years | 10,818 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.60 feet Gage Height STAFF GAGES 3 ZERO GAGE HEIGHT ELEVATION 1,336.00 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height EMERGENCY SPILLWAY CREST ELEVATION 19.25 feet Gage Height TOP OF DAM ELEVATION 25.8 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 463 Watershed Map McMicken Dam - water year peaks Volume (acre-feet) 3,000 2,500 2,000 1,500 1,000 500 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 464 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) No impoundments Hydrograph of peak WY 2017 impoundment event There were no impoundments recorded in Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 465 Percent Spillway Capacity McMicken Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 466 McMicken Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 467 McMicken Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 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 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 2017 MEAN 1.60 MAX 1.60 MIN 1.60 FCDMC Annual Surface Water Report, Water Year 2017 Page 468 McMicken Floodway, ID #5438 Site Data LOCATION Near the intersection of 163rd and Grand Avenues DRAINAGE AREA 305 mi2 STREAM TYPE Engineered Channel JURISDICTION Surprise, Arizona WATERSHED Trilby SECTION/TOWNSHIP/RANGE S18 T4N R1W LATITUDE N 33° 41' 07.2" | +33.68532 LONGITUDE W 112° 24' 31.1" | -112.40864 STREAMGAGE INSTALLATION DATE 05/19/1992 - WY 1992 AVAILABLE PERIOD OF RECORD (POR) 05/19/1992 - Current LENGTH OF AVAILABLE POR DATA 25.37 Years | 9,266 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.15 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 2 ZERO GAGE HEIGHT ELEVATION 1,323.17 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,110 cfs | 4.98 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 469 Watershed Map McMicken Floodway - water year peaks 1,200 Discharge (cfs) 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 470 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 10/13/2016 12/22/2016 12/30/2016 12/31/2016 01/01/2017 01/20/2017 08/13/2017 Peak Gage Height 0.63 0.55 0.70 0.70 1.85 0.83 0.94 Peak Discharge (cfs) 22 18 26 26 125 35 43 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency Flood Flow Frequency N=26, HEC-WRC computation (based on 26 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 44 160 299 488 828 1,160 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 471 McMicken Floodway, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 43 2 21 3 4 5 6 7 8 9 10 11 12 13 1 11 14 15 16 17 18 19 20 6 21 22 2 23 24 25 3 26 27 28 29 --30 3 --31 --5 -------------------------------------------------------------------------------------TOTAL 1 0 9 70 0 0 3 0 0 0 11 0 MEAN 0 0 0 2 0 0 0 0 0 0 0 0 MAX 22 0 26 125 0 0 42 0 0 0 43 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 0 18 139 0 0 6 0 0 0 21 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 93 MEAN 0 MAX 125 MIN 0 AC_FT 185 FCDMC Annual Surface Water Report, Water Year 2017 Page 472 Mineral Canyon Basin, ID #68807 Site Data LOCATION In South Mountain Park near Central Avenue and Mineral Road DRAINAGE AREA 3.46 mi2 STREAM TYPE Flood control basin on natural stream JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S08 T1S R3E LATITUDE N 33° 21' 20.9" | +33.35580 LONGITUDE W 112° 04' 13.8" | -112.07051 STREAMGAGE INSTALLATION DATE 09/10/2015 - WY 2015 AVAILABLE PERIOD OF RECORD (POR) 09/10/2015 - Current LENGTH OF AVAILABLE POR RECORD 2.06 Years | 752 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.00 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 28.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 473 Watershed Map Volume (acre-feet) Mineral Canyon Basin - water year peaks 100 90 80 70 60 50 40 30 20 10 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 474 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity 10/13/2016 2.22 37.3 7.5 Hydrograph of peak WY 2017 impoundment event FCDMC Annual Surface Water Report, Water Year 2017 Page 475 Mineral Canyon Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 476 Mineral Canyon Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 7 1 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 37 0 0 0 0 0 0 0 0 0 3 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 37 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 477 Mineral Canyon Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 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 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 3 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 4 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 5 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 6 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 7 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 8 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 9 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 10 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 11 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 12 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 13 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 14 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 15 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 16 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 17 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 18 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 19 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 20 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 21 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 22 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 23 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 24 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 25 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 26 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 27 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 28 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 29 2.0 2.0 2.0 2.0 --2.0 2.0 2.0 2.0 2.0 2.0 2.0 30 2.0 2.0 2.0 2.0 --2.0 2.0 2.0 2.0 2.0 2.0 2.0 31 2.0 --2.0 2.0 --2.0 --2.0 --2.0 2.0 -------------------------------------------------------------------------------MEAN 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 MAX 2.2 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.2 2.0 MIN 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 2.00 MAX 2.22 MIN 2.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 478 New River Fire, ID #5638 Site Data LOCATION North of Table Mesa Road about 4 miles east of I-17 DRAINAGE AREA 62 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Upper New River SECTION/TOWNSHIP/RANGE S04 T7N R3E LATITUDE N 33° 58' 33.1" | +33.97585 LONGITUDE W 112° 03' 38.3" | -112.06063 STREAMGAGE INSTALLATION DATE 07/18/2005 - WY 2005 AVAILABLE PERIOD OF RECORD (POR) 07/20/2005 - Current LENGTH OF AVAILABLE POR DATA 12.20 Years | 4,456 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.00 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,468.93 feet NAVD 1988 POINT OF ZERO FLOW -2.2 feet Gage Height EXTREME FOR PERIOD OF RECORD 32,584 cfs | 11.0 feet | 08/19/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 479 Watershed Map New River Fire - water year peaks 35,000 Discharge (cfs) 30,000 25,000 20,000 15,000 10,000 5,000 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 480 2020 WY2017 Events Date of Peak 10/13/2016 02/28/2017 Peak Gage Height (feet) 4.60 4.67 Peak Discharge (cfs) 4,589 4,713 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flood Flow Frequency FEMA Flood Insurance Study (at USGS gage, 3 miles downstream) 100-year 34,500 FCDMC Annual Surface Water Report, Water Year 2017 Page 481 New River Fire, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 13 448 14 15 16 17 18 19 20 --21 22 --23 24 --34 25 --581 26 --179 27 ----28 ----1098 29 ----30 ----31 ---------------------------------------------------------------------------------------TOTAL 448 0 0 0 1098 0 759 0 0 0 34 0 MEAN 14 0 0 0 39 0 25 0 0 0 1 0 MAX 4589 0 0 0 4713 0 1855 0 0 0 594 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 889 0 0 0 2178 0 1506 0 0 0 68 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2340 MEAN 6 MAX 4713 MIN 0 AC_FT 4641 FCDMC Annual Surface Water Report, Water Year 2017 Page 482 New River Dam Pool, ID #5614 Site Data LOCATION Near 75th Avenue north of Jomax Road DRAINAGE AREA 171 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Peoria, Arizona WATERSHED Upper New River SECTION/TOWNSHIP/RANGE S35 T5N R1E LATITUDE N 33° 44' 09.1" | +33.73585 LONGITUDE W 112° 13' 31.8" | -112.22550 STREAMGAGE INSTALLATION DATE 04/15/1986 - WY 1986 AVAILABLE PERIOD OF RECORD (POR) 08/30/1988 - Current LENGTH OF AVAILABLE POR DATA 29.09 Years | 10,624 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.85 feet Gage Height STAFF GAGES 21 ZERO GAGE HEIGHT ELEVATION 1,391.50 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height STANDARD PROJECT FLOOD 49,300 acre-feet / 45,000 cfs inflow / 2,665 cfs outflow PROBABLE MAXIMUM FLOOD 105,000 acre-feet / 144,000 cfs inflow / 30,000 cfs outflow SPILLWAY ELEVATION 67.0 feet Gage Height TOP OF DAM ELEVATION 98.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 483 Watershed Map New River Dam Pool - water year peaks Volume (acre-feet) 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 484 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/21/2017 02/20/2017 02/28/2017 07/29/2017 Peak Gage Height (feet) 7.78 6.98 15.97 3.05 Peak Volume (ac-ft) 352 312 1,414 115 Percent Spillway Capacity 0.8 0.7 3.2 0.1 Hydrograph of peak WY 2017 impoundment event, 02/28/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 485 New River Dam Pool, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 855 2 351 3 200 4 141 5 84 6 7 8 --9 --10 11 12 13 14 15 16 17 18 19 61 20 273 21 197 110 22 240 23 31 24 25 26 27 28 673 29 --7 30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 15 40 53 0 0 0 0 0 0 MAX 0 0 0 352 1414 1291 0 0 0 115 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 17 MAX 1414 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 486 New River Dam Pool, stage data Depth, in feet, Water Year October 2016 to September 2017 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 12.7 2.9 2.9 2.9 2.9 2.9 2.9 2 2.9 2.9 2.9 2.9 2.9 7.8 2.9 2.9 2.9 2.9 2.9 2.9 3 2.9 2.9 2.9 2.9 2.9 4.8 2.9 2.9 2.9 2.9 2.9 2.9 4 2.9 2.9 2.9 2.9 2.9 3.6 2.9 2.9 2.9 2.9 2.9 2.9 5 2.9 2.9 2.9 2.9 2.9 3.0 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 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 8 --2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 9 --2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 10 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 11 2.9 2.9 2.9 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 3.5 2.9 2.9 2.9 2.9 2.9 2.9 2.9 20 2.9 2.9 2.9 2.9 6.2 2.9 2.9 2.9 2.9 2.9 2.9 2.9 21 2.9 2.9 2.9 5.5 3.5 2.9 2.9 2.9 2.9 2.9 2.9 2.9 22 2.9 2.9 2.9 5.6 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 23 2.9 2.9 2.9 3.0 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 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 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 28 2.9 2.9 2.9 2.9 9.5 2.9 2.9 2.9 2.9 2.9 2.9 2.9 29 2.9 2.9 2.9 2.9 --2.9 2.9 2.9 2.9 2.9 2.9 2.9 30 2.9 2.9 2.9 2.9 --2.9 2.9 2.9 2.9 2.9 2.9 2.9 31 2.9 --2.9 2.9 --2.9 --2.9 --2.9 2.9 -------------------------------------------------------------------------------MEAN 2.9 2.9 2.9 3.1 3.3 3.4 2.9 2.9 2.9 2.9 2.9 2.9 MAX 2.9 2.9 2.9 7.8 16.0 15.3 3.0 2.9 2.9 3.0 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 2017 MEAN 2.98 MAX 15.97 MIN 2.88 FCDMC Annual Surface Water Report, Water Year 2017 Page 487 New River Dam Outlet, ID #5613 Site Data LOCATION Near 75th Avenue north of Jomax Road DRAINAGE AREA 171 mi2 STREAM TYPE Engineered Channel JURISDICTION Peoria, Arizona WATERSHED Lower New River SECTION/TOWNSHIP/RANGE S35 T5N R1E LATITUDE N 33° 44' 09.1" | +33.73585 LONGITUDE W 112° 13' 31.8" | -112.22550 STREAMGAGE INSTALLATION DATE 04/15/1986 - WY 1986 AVAILABLE PERIOD OF RECORD (POR) 08/30/1988 - Current LENGTH OF AVAILABLE POR DATA 29.09 Years | 10,624 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.68 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,378.15 feet NAVD88 POINT OF ZERO FLOW 0.2 feet Gage Height EXTREME FOR PERIOD OF RECORD* 1,570 cfs | 9.36 feet | 02/15/1995 *Extreme for period of record did not occur on the date of maximum pool stage (01/08/1993) because the gage may have failed and no data are available at this gage on that date. FCDMC Annual Surface Water Report, Water Year 2017 Page 488 Watershed Map New River Dam Outlet - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 489 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/03/2017 01/21/2017 02/20/2017 02/28/2017 07/29/2017 Peak Gage Height 3.85 6.29 5.92 8.34 2.94 Peak Discharge (cfs) 101 522 432 1,163 165 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flows past this gage are regulated by New River Dam directly upstream. Flood Flow Frequency is therefore not valid. FCDMC Annual Surface Water Report, Water Year 2017 Page 490 New River Dam Outlet, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 22 1393 2 23 14 820 3 318 10 448 4 214 7 321 5 137 5 256 6 69 3 209 7 28 2 161 8 12 1 135 9 4 1 93 10 56 11 37 --12 26 --13 19 14 15 --15 11 --16 8 --17 7 18 5 19 191 3 20 781 2 21 571 478 1 22 732 293 23 384 217 24 255 169 25 309 133 26 242 97 27 190 61 28 150 973 29 110 --9 30 66 --31 --37 -------------------------------------------------------------------------------------TOTAL 0 0 0 3852 3457 4027 0 0 0 9 0 0 MEAN 0 0 0 124 123 130 0 0 0 0 0 0 MAX 0 0 0 1009 1880 1774 0 0 0 165 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 7640 6857 7988 0 0 0 17 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 11345 MEAN 31 MAX 1880 MIN 0 AC_FT 22503 FCDMC Annual Surface Water Report, Water Year 2017 Page 491 New River at Bell Road, ID #5598 Site Data LOCATION On Bell Road west of Loop 101 DRAINAGE AREA 185 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Peoria, Arizona WATERSHED Lower New River SECTION/TOWNSHIP/RANGE S03 T3N R1E LATITUDE N 33° 38' 16.6" | +33.63795 LONGITUDE W 112° 14' 22.5" | -112.23959 STREAMGAGE INSTALLATION DATE 04/04/1990 - WY 1990 AVAILABLE PERIOD OF RECORD (POR) 04/04/1990 - Current LENGTH OF AVAILABLE POR DATA 27.49 Years | 10,042 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 2 ZERO GAGE HEIGHT ELEVATION 1,192.02 feet NAVD 1988 POINT OF ZERO FLOW -0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 4,005 cfs | 5.77 feet | 09/03/1990 EXTREME OUTSIDE PERIOD OF RECORD 14,600 cfs | 12/19/1967 FCDMC Annual Surface Water Report, Water Year 2017 Page 492 Watershed Map New River at Bell Road - water year peaks 4,500 Discharge (cfs) 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 493 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/22/2017 02/20/2017 02/28/2017 Peak Gage Height (feet) 0.70 0.47 1.72 Peak Discharge (cfs) 201 91 1,043 Hydrograph of peak WY 2017 flow event, 02/28/2017 Flood Flow Frequency Flood Flow Frequency N=28, HEC-WRC computation (based on 28 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 153 1,180 3,110 6,570 14,500 23,700 NOTE(1): These results are based on limited data. NOTE(2): New River Dam upstream limits the peak discharge from the upper portion of the watershed. FCDMC Annual Surface Water Report, Water Year 2017 Page 494 New River at Bell Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 630 2 210 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 42 21 50 22 81 23 24 25 26 27 28 326 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 132 368 839 0 0 0 0 0 0 MEAN 0 0 0 4 13 27 0 0 0 0 0 0 MAX 0 0 0 201 1043 690 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 261 729 1665 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1339 MEAN 4 MAX 1043 MIN 0 AC_FT 2655 FCDMC Annual Surface Water Report, Water Year 2017 Page 495 New River at Glendale Avenue, ID #5508, #61517 Site Data LOCATION West of 99th Avenue on Glendale Avenue DRAINAGE AREA 600 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Glendale, Arizona WATERSHED Lower New River SECTION/TOWNSHIP/RANGE S05 T2N R1E LATITUDE N 33° 32' 11.8" | +33.53661 LONGITUDE W 112° 16' 53.3" | -112.28146 STREAMGAGE INSTALLATION DATE 03/21/1990 - WY 1990 AVAILABLE PERIOD OF RECORD (POR) 03/21/1990 - Current LENGTH OF AVAILABLE POR DATA 27.53 Years | 10,056 Days DATA GAPS IN POR 08/23/2006 - 03/07/2007 TRANSDUCER GAGE ELEVATION 2.50 feet Gage Height STAGE GAGE TYPE RADAR Sensor RADAR GAGE ELEVATION 20.75 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,043.98 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 10,266 cfs | 2.90 feet | 02/10/1993 EXTREME OUTSIDE PERIOD OF RECORD 38,000 cfs | 08/1943 FCDMC Annual Surface Water Report, Water Year 2017 Page 496 Watershed Map New River at Glendale Avenue - water year peaks 12,000 Discharge (cfs) 10,000 8,000 6,000 4,000 2,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 497 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/03/2017 01/26/2017 02/20/2017 02/28/2017 03/01/2017 07/17/2017 07/24/2017 08/13/2017 Peak Gage Height (feet) 2.79 2.93 1.52 2.82 2.28 1.06 1.01 1.43 Peak Discharge (cfs) 495 656 61 525 130 31 28 54 Hydrograph of peak WY 2017 flow event, 01/26/2017 Flood Flow Frequency Flood Flow Frequency N=28, HEC-WRC computation (based on 28 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,290 2,970 4,640 6,730 10,300 13,700 NOTE(1): These results are based on limited data. NOTE(2): New River Dam upstream limits the peak discharge from the upper portion of the watershed. The analysis only includes runoff since the New River Dam’s construction. FCDMC Annual Surface Water Report, Water Year 2017 Page 498 New River at Glendale Avenue (#61517), runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ----2 1 121 2 2 1 3 2 2 --3 1 88 1 2 1 3 3 3 3 --1 58 2 1 2 2 2 3 4 --1 32 2 2 2 2 2 4 5 --1 19 2 2 2 2 4 3 6 --1 6 3 2 1 2 3 2 7 --2 2 1 2 1 3 1 8 --2 1 2 3 2 3 1 9 --1 2 2 2 2 2 2 10 ----2 2 2 2 3 2 11 ----3 2 3 3 4 2 12 ----2 2 2 2 5 2 13 30 2 3 1 2 3 24 1 14 --2 2 2 3 4 5 1 15 --2 2 2 2 3 3 2 16 --1 2 2 2 5 2 3 17 --2 2 3 1 12 2 2 18 5 2 3 1 5 3 2 19 36 2 3 1 3 4 1 20 --43 2 2 2 2 4 1 21 --3 44 2 2 2 1 3 1 22 --3 5 21 2 3 1 4 3 2 23 --3 4 10 3 2 3 4 2 2 24 --1 2 7 3 2 3 10 7 2 25 --1 1 6 2 1 3 7 4 2 26 --4 6 3 3 4 2 2 2 27 --3 6 2 2 3 2 3 2 28 --2 58 2 3 2 2 3 2 29 --1 --2 2 2 2 2 1 30 --1 --2 2 2 3 2 2 31 ----1 1 ----2 --3 3 -------------------------------------------------------------------------------TOTAL 303 0 9 32 264 323 62 65 64 104 117 59 MEAN 10 0 0 1 9 10 2 2 2 3 4 2 MAX 56 0 5 7 122 128 4 4 4 31 54 5 MIN 0 0 0 0 1 0 0 1 1 1 1 1 AC_FT 600 0 18 64 524 641 123 130 126 206 233 117 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1403 MEAN 4 MAX 130 MIN 0 AC_FT 2783 FCDMC Annual Surface Water Report, Water Year 2017 Page 499 New River at Glendale Avenue (#5508), runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 419 2 239 165 3 446 4 414 5 404 6 392 7 422 8 420 9 10 --11 --12 --13 --14 15 16 17 18 19 20 21 164 22 503 23 472 24 459 25 406 26 199 27 28 68 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 4941 68 584 0 0 0 0 0 0 MEAN 0 0 0 159 2 19 0 0 0 0 0 0 MAX 0 0 0 656 525 504 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 9799 136 1157 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 5592 MEAN 15 MAX 656 MIN 0 AC_FT 11093 FCDMC Annual Surface Water Report, Water Year 2017 Page 500 North Heights Dam, ID #5983 Site Data LOCATION Upstream from Golden Eagle Park Dam, to the north and west DRAINAGE AREA 2.13 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Fountain Hills, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S09 T3N R6E LATITUDE N 33° 37' 16.7" | +33.62131 LONGITUDE W 111° 44' 55.3" | -111.74868 STREAMGAGE INSTALLATION DATE 10/11/1996 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 10/11/1996 - Current LENGTH OF AVAILABLE POR DATA 20.97 Years | 7,660 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.25 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,778.97 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 31.8 feet Gage Height TOP OF DAM ELEVATION 39.8 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 501 Watershed Map North Heights Dam - water year peaks Volume (acre-feet) 18 16 14 12 10 8 6 4 2 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 502 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/20/2017 02/28/2017 07/24/2017 08/03/2017 Peak Gage Height (feet) 3.67 1.32 7.77 2.69 2.40 1.86 Peak Volume (ac-ft) 0.1 0.0 1.6 0.1 0.1 0.1 Percent Spillway Capacity 0.2 0.0 1.2 0.1 0.1 0.1 Hydrograph of peak WY 2017 impoundment event, 01/20/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 503 North Heights Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 2 3 1 4 3 5 3 6 3 7 3 8 4 9 4 10 3 11 2 12 2 13 2 14 2 15 4 16 5 17 4 18 5 19 5 20 9 5 21 1 5 22 3 5 23 7 24 1 7 25 --26 --27 --28 4 --29 ----30 ----31 ---------------------------------------------------------------------------------------TOTAL 0 0 3 11 4 0 0 0 0 1 1 158 MEAN 0 0 0 0 0 0 0 0 0 0 0 5 MAX 0 0 70 142 55 0 0 0 0 50 39 12 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 6 22 9 0 0 0 0 3 3 313 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 180 MEAN 0 MAX 142 MIN 0 AC_FT 356 FCDMC Annual Surface Water Report, Water Year 2017 Page 504 North Heights Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 2 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 505 North Heights Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 0.3 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 0.3 0.3 4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 8 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 9 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 10 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 11 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 12 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 13 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 14 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 16 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 19 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 20 0.2 0.2 0.2 0.7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 21 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 22 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.5 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.5 25 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 --27 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 0.4 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 --30 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 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.3 0.3 0.4 MAX 0.2 0.2 3.5 7.8 2.7 0.2 0.2 0.2 0.2 2.4 1.9 0.6 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 2017 MEAN 0.27 MAX 7.77 MIN 0.25 FCDMC Annual Surface Water Report, Water Year 2017 Page 506 Old Crosscut Canal near McDowell Road, ID #4748 Site Data LOCATION Near McDowell Road and SR143 DRAINAGE AREA Undetermined STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED Lower ACDC SECTION/TOWNSHIP/RANGE S06 T1N R4E LATITUDE N 33° 27' 41.4" | +33.46149 LONGITUDE W 111° 58' 56.1" | -111.98224 STREAMGAGE INSTALLATION DATE 07/27/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 07/27/1994 - Current LENGTH OF AVAILABLE POR DATA DATA 23.18 Years | 8,467 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.13 feet Gage Height ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 559 cfs | 2.78 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 507 Location Map (watershed not available) Old Crosscut Canal - water year peaks 700 Discharge (cfs) 600 500 400 300 200 100 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 508 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/20/2017 03/22/2017 07/10/2017 07/16/2017 07/23/2017 08/03/2017 08/23/2017 Peak Gage Height 0.86 0.78 1.06 2.08 0.46 3.15 0.36 Peak Discharge (cfs) 132 116 173 396 61 647 49 Hydrograph of peak WY 2017 flow event, 08/03/2017 Flood Flow Frequency Runoff at this gage is not always in response to rainfall event, and therefore is not appropriate for flood frequency computation. FCDMC Annual Surface Water Report, Water Year 2017 Page 509 Old Crosscut Canal near McDowell Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 25 2 25 3 25 33 4 25 5 25 6 25 7 25 8 25 9 25 10 25 6 83 11 27 116 12 25 82 13 25 14 25 15 25 6 1 16 25 12 17 25 6 2 18 25 19 25 20 25 6 12 21 25 8 1 22 25 6 11 23 25 6 3 24 6 25 2 1 25 25 25 26 25 25 27 25 25 28 25 --4 29 25 --30 25 2 --31 25 ---------------------------------------------------------------------------------------TOTAL 181 725 36 20 4 11 0 0 0 303 36 0 MEAN 6 24 1 1 0 0 0 0 0 10 1 0 MAX 25 31 84 132 55 116 0 0 0 396 647 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 360 1439 71 39 8 22 0 0 0 600 71 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1315 MEAN 4 MAX 647 MIN 0 AC_FT 2608 NOTE: There is often a persistent base flow at this site due to SRP releases upstream, and ground water flow into the canal upstream. FCDMC Annual Surface Water Report, Water Year 2017 Page 510 Paradise Lane at 33rd Drive Basin, ID #12407 Site Data LOCATION Located along Paradise Lane at the west end of Conocido Park DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S02 T3N R2E LATITUDE N 33° 37' 56.7" | +33.63240 LONGITUDE W 112° 07' 41.2" | -112.12812 STREAMGAGE INSTALLATION DATE 10/08/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 10/08/2015 - Current LENGTH OF AVAILABLE POR DATA 1.98 Years | 724 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.49 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 4.9 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 511 Location Map Paradise Lane at 33rd Drive Basin - water year peaks Volume (acre-feet) 25 20 15 10 5 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 512 2020 Water Year 2025 WY2017 Events Date of Peak 10/02/2016 11/03/2016 11/27/2016 12/22/2016 12/24/2016 12/30/2016 01/01/2017 01/03/2017 01/20/2017 01/24/2017 02/19/2017 02/28/2017 07/16/2017 07/24/2017 08/13/2017 08/24/2017 Peak Gage Height (feet) 1.08 1.35 1.25 2.32 2.10 0.88 2.15 1.30 1.85 1.60 1.95 2.25 1.26 1.61 1.04 1.21 Peak Volume (ac-ft) 7.9 10.4 9.5 21.0 18.4 6.2 19.0 10.0 15.6 12.9 16.7 20.2 9.6 11.9 7.6 9.1 Percent Spillway Capacity 9.4 12.4 11.2 24.9 21.7 7.4 22.5 11.8 18.4 15.3 19.7 23.9 11.4 14.1 8.9 10.8 Hydrograph of peak WY 2017 impoundment event, 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 513 Paradise Lane at 33rd Drive Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 8 2 4 3 4 3 4 2 5 6 7 8 9 10 11 12 13 4 14 15 16 1 17 2 18 10 19 11 20 5 21 1 5 22 16 23 3 7 1 24 6 3 4 5 25 3 26 27 3 2 28 2 14 29 --30 1 --31 --4 -------------------------------------------------------------------------------------TOTAL 4 10 34 30 37 0 0 0 0 8 10 0 MEAN 0 0 1 1 1 0 0 0 0 0 0 0 MAX 15 16 22 20 21 0 0 0 0 17 16 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 8 20 68 60 72 0 0 0 0 15 20 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 133 MEAN 0 MAX 22 MIN 0 AC_FT 264 FCDMC Annual Surface Water Report, Water Year 2017 Page 514 Paradise Lane at 33rd Drive Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 7 2 2 3 2 2 4 1 5 6 7 8 9 10 11 12 13 2 14 15 16 1 17 1 18 5 19 8 20 3 21 3 22 12 23 2 5 24 5 2 3 3 25 2 26 27 1 2 28 1 12 29 --30 --31 --2 -------------------------------------------------------------------------------------MEAN 0 0 1 1 1 0 0 0 0 0 0 0 MAX 8 10 21 19 20 0 0 0 0 13 9 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 21 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 515 Paradise Lane at 33rd Drive, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.5 0.5 0.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 2 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 3 0.5 0.6 0.5 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 8 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 9 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 10 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 11 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 12 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 13 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.5 14 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 15 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 16 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 17 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.5 0.5 18 0.5 0.5 0.5 0.5 0.9 0.5 0.5 0.5 0.5 0.5 0.5 0.5 19 0.5 0.5 0.5 0.5 1.2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 20 0.5 0.5 0.5 0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 21 0.5 0.5 0.5 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 22 0.5 0.5 1.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 23 0.5 0.5 0.5 0.9 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 24 0.5 0.5 0.8 0.6 0.5 0.5 0.5 0.5 0.5 0.7 0.6 0.5 25 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 26 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 27 0.5 0.6 0.5 0.5 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 28 0.5 0.5 0.5 0.5 1.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 29 0.5 0.5 0.5 0.5 --0.5 0.5 0.5 0.5 0.5 0.5 0.5 30 0.5 0.5 0.5 0.5 --0.5 0.5 0.5 0.5 0.5 0.5 0.5 31 0.5 --0.6 0.5 --0.5 --0.5 --0.5 0.5 -------------------------------------------------------------------------------MEAN 0.5 0.5 0.5 0.5 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 MAX 1.1 1.4 2.3 2.1 2.2 0.5 0.5 0.5 0.5 1.6 1.2 0.5 MIN 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.51 MAX 2.32 MIN 0.49 FCDMC Annual Surface Water Report, Water Year 2017 Page 516 Paradise Lane at 47th Avenue Basin, ID #13707 Site Data LOCATION Located on the northeast corner of Paradise Ln and 47th Ave DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S04 T3N R2E LATITUDE N 33° 37' 56.8" | +33.63244 LONGITUDE W 112° 09' 31.4" | -112.15873 STREAMGAGE INSTALLATION DATE 10/08/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 10/08/2015 - Current LENGTH OF AVAILABLE POR DATA 1.98 Years | 724 Days DATA GAPS IN POR 03/21/2017 - present STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 4.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 517 Location Map Volume (acre-feet) Paradise Lane at 47th Avenue Basin - water year peaks 10 9 8 7 6 5 4 3 2 1 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 518 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity 01/01/2017 0.70 6.4 15.5 Hydrograph of peak WY 2017 impoundment event, 01/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 519 Paradise Lane at 47th Avenue Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 --------------------MEAN 0 0 --------------------MAX 0 0 --------------------MIN 0 0 --------------------AC_FT 0 0 -------------------------------------------------------------------------------------------------WTR YR 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 520 Paradise Lane at 47th Avenue Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 ------------MAX 0 0 0 6 0 0 ------------MIN 0 0 0 0 0 0 -----------------------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 6 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 521 Paradise Lane at 47th Avenue Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 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 ------------2 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 ------------4 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 ------------6 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 ------------8 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 ------------10 0.1 0.1 0.1 0.1 0.1 0.1 ------------11 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 ------------13 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 ------------15 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 ------------17 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 ------------19 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 ------------21 0.1 0.1 0.1 0.1 0.1 0.1 ------------22 0.1 0.1 0.1 0.1 0.1 --------------23 0.1 0.1 0.1 0.1 0.1 --------------24 0.1 0.1 0.1 0.1 0.1 --------------25 0.1 0.1 0.1 0.1 0.1 --------------26 0.1 0.1 0.1 0.1 0.1 --------------27 0.1 0.1 0.1 0.1 0.1 --------------28 0.1 0.1 0.1 0.1 0.1 --------------29 0.1 0.1 0.1 0.1 ----------------30 0.1 0.1 0.1 0.1 ----------------31 0.1 --0.1 0.1 ---------------------------------------------------------------------------------------------MEAN 0.1 0.1 0.1 0.1 0.1 0.1 ------------MAX 0.1 0.1 0.1 0.7 0.1 0.1 ------------MIN 0.1 0.1 0.1 0.1 0.1 0.1 -----------------------------------------------------------------------------------------WTR YR 2017 MEAN 0.10 MAX 0.70 MIN 0.10 FCDMC Annual Surface Water Report, Water Year 2017 Page 522 Pecos Sediment Basin, ID #6537 Site Data LOCATION In Pecos Park near 48th Street and Loop 202 DRAINAGE AREA 5.0 mi2 STREAM TYPE Engineered Drainage System JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S32 T1S R4E LATITUDE N 33° 17' 38.3" | +33.29396 LONGITUDE W 111° 58' 39.0" | -111.97751 STREAMGAGE INSTALLATION DATE 01/06/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 01/06/2009 - Current LENGTH OF AVAILABLE POR DATA 8.73 Years | 3,190 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.48 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,140.00 feet M.S.L. POINT OF ZERO FLOW (GATED OUTLET) 4.71 feet Gage Height SEDIMENT BASIN WEIR ELEVATION 18.0 feet Gage Height BASIN SPILLWAY CREST ELEVATION 21.0 feet Gage Height TOP OF DAM ELEVATION 22.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 523 Location Map Pecos Basin Sediment - water year peaks Volume (acre-feet) 60 50 40 30 20 10 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 524 2020 WY2017 Events Date of Peak 11/02/2016 11/04/2016 12/17/2016 12/18/2016 12/22/2016 12/25/2016 01/21/2017 02/20/2017 07/24/2017 08/13/2017 Peak Gage Height (feet) 2.27 4.07 2.50 2.99 5.34 5.78 5.73 5.43 7.73 16.38 Peak Volume (ac-ft) 4.1 7.8 4.6 5.6 10.5 11.4 11.3 10.7 16.0 40.6 Percent Spillway Capacity 9.1 17.0 10.1 12.2 22.9 24.9 24.7 23.3 34.8 88.3 Hydrograph of peak WY 2017 impoundment event, 08/13/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 525 Pecos Sediment Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 38 14 37 15 35 16 33 17 31 18 29 19 27 20 25 21 22 22 19 23 17 24 10 24 25 14 21 26 9 18 27 3 14 28 10 29 --5 30 --2 31 ---------------------------------------------------------------------------------------TOTAL 0 0 1 1 0 0 0 0 0 37 404 0 MEAN 0 0 0 0 0 0 0 0 0 1 13 0 MAX 0 0 2 1 0 0 0 0 0 17 40 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1 1 0 0 0 0 0 73 801 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 442 MEAN 1 MAX 40 MIN 0 AC_FT 876 FCDMC Annual Surface Water Report, Water Year 2017 Page 526 Pecos Sediment Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 6 5 5 7 9 2 1 6 4 5 7 8 3 5 5 4 4 6 7 4 7 4 3 3 5 6 5 6 4 3 3 4 5 6 6 4 4 3 3 4 7 6 4 3 3 2 2 8 5 3 3 3 1 9 5 4 3 2 1 10 5 4 3 2 11 4 4 3 2 12 3 4 3 2 13 4 3 2 37 14 4 3 2 36 15 4 3 2 33 16 1 4 3 2 30 17 4 4 3 2 1 28 18 4 4 4 2 1 25 19 4 4 9 2 23 20 3 5 10 2 21 21 4 11 9 2 19 22 8 10 8 2 17 23 10 10 8 3 2 16 24 10 9 8 2 14 21 25 10 9 7 3 15 19 26 10 8 7 2 13 17 27 9 8 6 2 12 15 28 8 7 6 2 11 13 29 7 6 --2 10 12 30 7 6 --9 11 31 --7 5 ------7 10 -------------------------------------------------------------------------------MEAN 0 2 3 6 5 2 0 0 0 3 14 1 MAX 0 8 11 11 11 6 0 0 0 16 41 10 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 3 MAX 41 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 527 Pecos Sediment Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.5 1.5 1.5 3.3 2.5 2.8 1.5 1.5 1.5 1.5 3.7 4.5 2 1.5 1.7 1.5 3.1 2.3 2.6 1.5 1.5 1.5 1.5 3.5 4.1 3 1.5 2.6 1.5 2.8 2.2 2.3 1.5 1.5 1.5 1.5 3.1 3.6 4 1.5 3.7 1.5 2.4 2.2 2.1 1.5 1.5 1.5 1.5 2.7 3.1 5 1.5 3.4 1.5 2.2 2.1 2.0 1.5 1.5 1.5 1.5 2.3 2.7 6 1.5 3.2 1.5 2.2 2.2 2.1 1.5 1.5 1.5 1.5 2.0 2.2 7 1.5 3.0 1.5 2.3 2.1 2.1 1.5 1.5 1.5 1.5 1.8 1.8 8 1.5 2.7 1.5 2.2 2.0 2.0 1.5 1.5 1.5 1.5 1.6 1.5 9 1.5 2.6 1.5 2.3 2.0 1.9 1.5 1.5 1.5 1.5 1.6 1.5 10 1.5 2.5 1.5 2.2 1.9 1.9 1.5 1.5 1.5 1.5 1.5 1.5 11 1.5 2.3 1.5 2.3 1.9 1.8 1.5 1.5 1.5 1.5 1.5 1.5 12 1.5 2.0 1.5 2.2 2.0 1.8 1.5 1.5 1.5 1.5 1.5 1.5 13 1.5 1.5 1.5 2.3 2.0 1.8 1.5 1.5 1.5 1.5 15.4 1.5 14 1.5 1.5 1.5 2.2 2.0 1.8 1.5 1.5 1.5 1.5 14.9 1.5 15 1.5 1.5 1.5 2.3 2.0 1.8 1.5 1.5 1.5 1.5 13.9 1.5 16 1.5 1.5 1.6 2.2 2.0 1.8 1.5 1.5 1.5 1.5 13.1 1.5 17 1.5 1.5 2.3 2.3 2.0 1.7 1.5 1.5 1.5 1.6 12.2 1.5 18 1.5 1.5 2.4 2.3 2.4 1.7 1.5 1.5 1.5 1.6 11.3 1.5 19 1.5 1.5 2.2 2.4 4.7 1.7 1.5 1.5 1.5 1.5 10.5 1.5 20 1.5 1.5 2.1 2.6 4.9 1.7 1.5 1.5 1.5 1.5 9.8 1.5 21 1.5 1.5 2.1 5.4 4.6 1.7 1.5 1.5 1.5 1.5 9.0 1.5 22 1.5 1.5 4.2 5.3 4.3 1.8 1.5 1.5 1.5 1.5 8.3 1.5 23 1.5 1.5 5.2 4.9 4.3 2.0 1.5 1.5 1.5 2.0 7.7 1.5 24 1.5 1.5 5.2 4.7 4.1 1.9 1.5 1.5 1.5 6.8 9.5 1.5 25 1.5 1.5 5.3 4.6 3.9 1.9 1.5 1.5 1.5 7.2 8.8 1.5 26 1.5 1.5 5.0 4.4 3.5 1.9 1.5 1.5 1.5 6.4 8.0 1.5 27 1.5 1.5 4.5 4.1 3.4 1.8 1.5 1.5 1.5 5.9 7.2 1.5 28 1.5 1.5 4.3 3.8 3.1 1.8 1.5 1.5 1.5 5.4 6.6 1.5 29 1.5 1.5 3.8 3.4 --1.8 1.5 1.5 1.5 4.9 6.0 1.5 30 1.5 1.5 3.5 3.0 --1.5 1.5 1.5 1.5 4.5 5.5 1.5 31 1.5 --3.5 2.8 --1.5 --1.5 --3.9 5.0 -------------------------------------------------------------------------------MEAN 1.5 1.9 2.6 3.1 2.8 1.9 1.5 1.5 1.5 2.6 6.8 1.9 MAX 1.5 4.1 5.8 5.7 5.4 3.4 1.5 1.5 1.5 7.7 16.4 5.1 MIN 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 -----------------------------------------------------------------------------WTR YR 2017 MEAN 2.46 MAX 16.38 MIN 1.48 FCDMC Annual Surface Water Report, Water Year 2017 Page 528 Pecos Basin Pool, ID #6538 Site Data LOCATION In Pecos Park near 48th Street and Loop 202 DRAINAGE AREA 5.0 mi2 STREAM TYPE Engineered Drainage System JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S32 T1S R4E LATITUDE N 33° 17' 38.3" | +33.29369 LONGITUDE W 111° 58' 39.0" | -111.97751 STREAMGAGE INSTALLATION DATE 01/06/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 01/06/2009 - Current LENGTH OF AVAILABLE POR DATA 8.73 Years | 3,190 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 6.05 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,140.00 feet M.S.L. PZF (GATED OUTLET, ABOUT 1600 FT DS) 1.75 feet Gage Height SPILLWAY CREST ELEVATION 21.0 feet Gage Height TOP OF DAM ELEVATION 22.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 529 Location Map Volume (acre-feet) Pecos Basin Pool - water year peaks 200 180 160 140 120 100 80 60 40 20 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 530 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity No impoundment Hydrograph of peak WY 2017 impoundment event There were no recorded impoundments during Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 531 Pecos Basin Pool, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 532 Pecos Basin Pool, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 533 Pecos Basin Pool, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 2 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 3 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 4 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 5 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 7 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 8 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 9 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 10 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 11 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 12 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 13 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 14 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 15 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 16 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 17 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 18 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 19 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 20 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 21 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 22 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 23 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 24 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 25 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 26 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 27 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 28 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 29 6.0 6.0 6.0 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 30 6.0 6.0 6.0 6.0 --6.0 6.0 6.0 6.0 6.0 6.0 6.0 31 6.0 --6.0 6.0 --6.0 --6.0 --6.0 6.0 -------------------------------------------------------------------------------MEAN 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 MAX 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 MIN 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 6.05 MAX 6.05 MIN 6.05 FCDMC Annual Surface Water Report, Water Year 2017 Page 534 Pecos North Inflow, ID #6532 Site Data LOCATION Located on 48th Street south of Frye Road DRAINAGE AREA Not Determined STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S31 T1S R4E LATITUDE N 33° 17' 49.0" | +33.29695 LONGITUDE W 111° 58' 49.8" | -111.98051 STREAMGAGE INSTALLATION DATE 01/21/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 01/21/2009 - Current LENGTH OF AVAILABLE POR DATA 8.69 Years | 3,175 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.06 feet Gage Height EXTREME FOR PERIOD OF RECORD 277 cfs | 3.12 feet Gage Height | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 535 Location Map (watershed not defined) Pecos Inflow North - water year peaks 300 Discharge (cfs) 250 200 150 100 50 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 536 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event There was no runoff recorded at this gage in Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 537 Pecos North Inflow, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 538 Pecos East Inflow, ID #6533 Site Data LOCATION Located east of 48th Street on the north side of SR 202L DRAINAGE AREA Not Determined STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S32 T1S R4E LATITUDE N 33° 17' 47.9" | +33.29663 LONGITUDE W 111° 58' 41.5" | -111.97820 STREAMGAGE INSTALLATION DATE 01/21/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 01/21/2009 - Current LENGTH OF AVAILABLE POR DATA 8.69 Years | 3,175 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.73 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 186 cfs | 1.86 feet gage height | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 539 Location Map Discharge (cfs) Pecos Inflow East - water year peaks 200 180 160 140 120 100 80 60 40 20 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 540 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 08/13/2017 1.18 74 Hydrograph of peak WY 2017 flow event, 08/13/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 541 Pecos East Inflow, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 3 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 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 74 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 6 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 3 MEAN 0 MAX 74 MIN 0 AC_FT 6 FCDMC Annual Surface Water Report, Water Year 2017 Page 542 Pecos West Inflow, ID #6534 Site Data LOCATION Located west of 48th Street and north of SR 202L DRAINAGE AREA Not Determined STREAM TYPE Engineered Channel JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S31 T1S R4E LATITUDE N 33° 17' 39.3" | +33.29425 LONGITUDE W 111° 58' 58.7" | -111.98298 STREAMGAGE INSTALLATION DATE 01/21/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 01/21/2009 - Current LENGTH OF AVAILABLE POR DATA 8.69 Years | 3,175 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.75 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.05 feet Gage Height EXTREME FOR PERIOD OF RECORD 158 cfs | 2.60 feet Gage Height | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 543 Location Map Pecos Inflow West - water year peaks 180 Discharge (cfs) 160 140 120 100 80 60 40 20 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 544 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 08/13/2017 1.50 52 Hydrograph of peak WY 2017 flow event, 08/13/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 545 Pecos West Inflow, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2 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 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 0 52 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 4 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2 MEAN 0 MAX 52 MIN 0 AC_FT 4 FCDMC Annual Surface Water Report, Water Year 2017 Page 546 Phoenix Dam #2A, ID #4789 Site Data LOCATION On 7th Street south of Thunderbird Road DRAINAGE AREA 0.75 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S16 T3N R3E LATITUDE N 33° 36' 13.2" | +33.60366 LONGITUDE W 112° 03' 52.8" | -112.06466 STREAMGAGE INSTALLATION DATE 06/29/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 06/29/2009 - Current LENGTH OF AVAILABLE POR DATA 8.26 Years | 3,016 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,393.62 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 16.5 feet Gage Height TOP OF DAM ELEVATION 22.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 547 Watershed Map Phoenix Dam #2a - water year peaks Volume (acre-feet) 25 20 15 10 5 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 548 2020 WY2017 Events Date of Peak 12/22/2016 12/31/2016 01/01/2017 02/28/2017 07/29/2017 08/03/2017 Peak Gage Height (feet) 6.51 1.05 0.40 1.28 4.52 3.44 Peak Volume (ac-ft) 9.5 2.3 0.9 2.8 6.9 5.4 Percent Spillway Capacity 15.9 3.9 1.5 4.8 11.5 9.1 Hydrograph of peak WY 2017 impoundment event, 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 549 Phoenix Dam #2A, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2 23 24 25 26 27 28 29 --1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 2 0 0 0 0 0 0 1 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 23 1 3 0 0 0 0 19 17 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 1 1 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 3 MEAN 0 MAX 23 MIN 0 AC_FT 7 FCDMC Annual Surface Water Report, Water Year 2017 Page 550 Phoenix Dam #2A, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 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 10 1 3 0 0 0 0 7 5 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 10 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 551 Phoenix Dam #2A, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.1 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 0.5 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 0.1 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 0.2 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 --0.1 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 0.2 6.5 0.4 1.3 0.0 0.0 0.0 0.0 4.5 3.4 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 2017 MEAN 0.00 MAX 6.51 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 552 Phoenix Dam #2B, ID #4778 Site Data LOCATION On Thunderbird Road east of 7th Street DRAINAGE AREA 0.60 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S16 T3N R3E LATITUDE N 33° 36' 23.8" | +33.60660 LONGITUDE W 112° 03' 28.4" | -112.05789 STREAMGAGE INSTALLATION DATE 06/30/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 06/30/2009 - Current LENGTH OF AVAILABLE POR DATA 8.25 Years | 3,015 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,398.20 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 16.0 feet Gage Height TOP OF DAM ELEVATION 22.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 553 Watershed Map Phoenix Dam #2b - water year peaks Volume (acre-feet) 14 12 10 8 6 4 2 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 554 2020 WY2017 Events Date of Peak 12/22/2016 12/31/2016 01/01/2017 02/28/2017 07/29/2017 08/03/2017 08/13/2017 Peak Gage Height (feet) 1.78 0.21 0.31 0.31 1.21 3.01 2.93 Peak Volume (ac-ft) 0.6 0.0 0.0 0.0 0.2 1.0 1.0 Percent Spillway Capacity 1.3 0.0 0.0 0.0 0.5 2.1 2.1 Hydrograph of peak WY 2017 impoundment event, 08/03/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 555 Phoenix Dam #2B, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 23 1 24 25 26 27 28 29 --1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 1 0 0 0 0 0 0 1 3 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 11 2 2 0 0 0 0 10 15 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 2 0 0 0 0 0 0 2 5 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 5 MEAN 0 MAX 15 MIN 0 AC_FT 10 FCDMC Annual Surface Water Report, Water Year 2017 Page 556 Phoenix Dam #2B, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 1 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 557 Phoenix Dam #2B, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.2 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 0.2 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 0.2 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 0.1 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 1.8 0.3 0.3 0.0 0.0 0.0 0.0 1.2 3.0 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 2017 MEAN 0.00 MAX 3.01 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 558 Phoenix Dam #3, ID #4828 Site Data LOCATION In the Sunnyslope area of Phoenix, east of Cave Creek Road DRAINAGE AREA 0.5 mi2 STREAM TYPE Dam of Natural Drainage JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S22 T3N R3E LATITUDE N 33° 35' 11.6" | +33.58656 LONGITUDE W 112° 02' 48.4" | -112.04678 STREAMGAGE INSTALLATION DATE 12/18/2001 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 12/18/2001 - Current LENGTH OF AVAILABLE POR DATA 15.79 Years | 5,766 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.65 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,356.00 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 24.0 feet Gage Height TOP OF DAM ELEVATION 30.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 559 Watershed Map Phoenix Dam #3 - water year peaks Volume (acre-feet) 18 16 14 12 10 8 6 4 2 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 560 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/31/2016 01/01/2017 01/20/2017 02/28/2017 07/29/2017 08/03/2017 08/23/2017 Peak Gage Height (feet) 2.32 2.45 5.12 0.95 5.81 4.20 5.15 6.35 Peak Volume (ac-ft) 0.5 0.5 1.8 0.1 2.3 1.1 1.8 2.6 Percent Spillway Capacity 0.8 0.8 1.9 0.4 2.4 1.7 2.7 4.0 Hydrograph of peak WY 2017 impoundment event, 08/23/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 561 Phoenix Dam #3, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1 2 3 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 3 24 25 26 27 28 1 29 --1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 1 1 0 0 0 0 1 4 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 19 37 40 0 0 0 0 33 41 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1 3 3 0 0 0 0 1 9 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 8 MEAN 0 MAX 41 MIN 0 AC_FT 16 FCDMC Annual Surface Water Report, Water Year 2017 Page 562 Phoenix Dam #3, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2 2 0 0 0 0 1 3 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 3 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 563 Phoenix Dam #3, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.7 0.7 0.7 0.8 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 2 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 3 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.8 0.7 4 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 5 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 6 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 8 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 9 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 10 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 11 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 12 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 13 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 14 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 15 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 16 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 17 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 18 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 19 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 20 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 21 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 22 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 23 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 1.0 0.7 24 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 25 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 26 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 27 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 28 0.7 0.7 0.7 0.7 0.8 0.7 0.7 0.7 0.7 0.7 0.7 0.7 29 0.7 0.7 0.7 0.7 --0.7 0.7 0.7 0.7 0.7 0.7 0.7 30 0.7 0.7 0.7 0.7 --0.7 0.7 0.7 0.7 0.7 0.7 0.7 31 0.7 --0.7 0.7 --0.7 --0.7 --0.7 0.7 -------------------------------------------------------------------------------MEAN 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 MAX 0.7 0.7 2.5 5.1 5.8 0.7 0.7 0.7 0.7 4.2 6.3 0.7 MIN 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.65 MAX 6.35 MIN 0.65 FCDMC Annual Surface Water Report, Water Year 2017 Page 564 Phoenix Dam #4, ID #4838 Site Data LOCATION East of 18th Street north of Northern Avenue DRAINAGE AREA 0.60 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S34 T3N R3E LATITUDE N 33° 33' 30.9" | +33.55857 LONGITUDE W 112° 02' 33.8" | -112.04272 STREAMGAGE INSTALLATION DATE 07/06/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 07/06/2009 - Current LENGTH OF AVAILABLE POR DATA 8.24 Years | 3,009 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,319.28 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 15.0 feet Gage Height TOP OF DAM ELEVATION 21.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 565 Watershed Map Phoenix Dam #4 - water year peaks Volume (acre-feet) 25 20 15 10 5 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 566 2020 WY2017 Events Date of Peak 01/01/2017 01/20/2017 02/28/2017 Peak Gage Height (feet) 5.71 0.33 6.51 Peak Volume (ac-ft) 3.4 0.1 4.4 Percent Spillway Capacity 8.0 0.1 10.4 Hydrograph of peak WY 2017 impoundment event, 02/28/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 567 Phoenix Dam #4, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 1 1 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 9 21 22 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 2 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2 MEAN 0 MAX 22 MIN 0 AC_FT 3 FCDMC Annual Surface Water Report, Water Year 2017 Page 568 Phoenix Dam #4, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 3 4 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 4 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 569 Phoenix Dam #4, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 0.1 0.3 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 0.1 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 0.2 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 0.3 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 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 1.1 5.7 6.5 0.1 0.1 0.1 0.1 0.1 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 2017 MEAN 0.10 MAX 6.51 MIN 0.10 FCDMC Annual Surface Water Report, Water Year 2017 Page 570 Phoenix Dam #7, ID #4853 Site Data LOCATION Located on the north side of North Mountain DRAINAGE AREA 0.60 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S17 T3N R3E LATITUDE N 33° 36' 04.4" | +33.60123 LONGITUDE W 112° 04' 21.5" | -112.07264 STREAMGAGE INSTALLATION DATE 12/19/2001 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 12/19/2001 - Current LENGTH OF AVAILABLE POR DATA 15.78 Years | 5,765 Days DATA GAPS IN POR 01/30/2009 -- 05/11/2009 STAGE GAGE ELEVATION 0.17 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,369.00 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 22.4 feet Gage Height TOP OF DAM ELEVATION 29.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 571 Watershed Map Phoenix Dam #7 - water year peaks Volume (acre-feet) 25 20 15 10 5 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 572 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/22/2016 12/31/2016 01/01/2017 01/20/2017 02/28/2017 07/29/2017 08/03/2017 Peak Gage Height (feet) 4.15 7.24 2.71 2.43 1.31 3.68 4.33 0.84 Peak Volume (ac-ft) 1.1 3.6 0.7 0.6 0.3 0.9 1.2 0.2 Percent Spillway Capacity 1.0 5.3 0.6 0.5 0.3 0.8 1.0 0.0 Hydrograph of peak WY 2017 impoundment event, 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 573 Phoenix Dam #7, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 4 23 24 25 26 27 28 1 29 --1 30 --31 --1 -------------------------------------------------------------------------------------TOTAL 0 0 5 2 1 0 0 0 0 1 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 46 19 30 0 0 0 0 34 4 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 10 3 2 0 0 0 0 2 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 8 MEAN 0 MAX 46 MIN 0 AC_FT 16 FCDMC Annual Surface Water Report, Water Year 2017 Page 574 Phoenix Dam #7, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 4 1 1 0 0 0 0 1 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 4 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 575 Phoenix Dam #7, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 0.3 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 0.8 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 0.3 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 0.3 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 --0.3 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 7.2 2.4 3.7 0.2 0.2 0.2 0.2 4.3 0.8 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 2017 MEAN 0.17 MAX 7.24 MIN 0.17 FCDMC Annual Surface Water Report, Water Year 2017 Page 576 Phoenix Dam #99, ID #4843 Site Data LOCATION Near SR 51 and 32nd Street DRAINAGE AREA 0.13 mi2 STREAM TYPE Dam of natural and local drainage JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S26 T3N R3E LATITUDE N 33° 34' 29.1" | +33.57476 LONGITUDE W 112° 00' 51.4" | -112.01428 STREAMGAGE INSTALLATION DATE 07/07/2009 - WY 2009 AVAILABLE PERIOD OF RECORD (POR) 07/07/2009 - Current LENGTH OF AVAILABLE POR DATA 8.24 Years | 3,008 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,441.71 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 19.8 feet Gage Height TOP OF DAM ELEVATION 24.3 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 577 Watershed Map Phoenix Dam #99 - water year peaks 9 8 Impoundments occur in this dam above 9.0 feet stage. There have been no events exceeding that criteria since installation. Stage (feet) 7 6 5 4 3 2 1 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 578 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/20/2017 02/18/2017 02/28/2017 07/16/2017 07/21/2017 08/03/2017 08/23/2017 Peak Gage Height (feet) 0.83 0.70 0.60 0.33 0.84 0.24 0.74 1.02 1.42 Peak Volume (ac-ft) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Percent Spillway Capacity 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Hydrograph of peak WY 2017 impoundment event, 08/23/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 579 Phoenix Dam #99, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 3 3 3 0 0 0 0 3 6 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1 1 1 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2 MEAN 0 MAX 6 MIN 0 AC_FT 3 FCDMC Annual Surface Water Report, Water Year 2017 Page 580 Phoenix Dam #99, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 581 Phoenix Dam #99, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 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 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 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20 0.0 0.0 0.0 0.1 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 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 0.8 0.7 0.8 0.0 0.0 0.0 0.0 0.8 1.4 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 2017 MEAN 0.00 MAX 1.42 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 582 Phoenix East Park Dam, ID #4848 Site Data LOCATION Near Peoria and Seventh Avenues DRAINAGE AREA 0.11 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S29 T3N R3E LATITUDE N 33° 34' 45.2" | +33.57923 LONGITUDE W 112° 04' 36.3" | -112.07676 STREAMGAGE INSTALLATION DATE 11/28/2001 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 11/28/2001 - Current LENGTH OF AVAILABLE POR DATA 15.84 Years | 5,786 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,350.17 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 19.8 feet Gage Height TOP OF DAM ELEVATION 24.8 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 583 Watershed Map Volume (acre-feet) Phoenix East Park Dam - water year peaks 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 584 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/31/2016 02/28/2017 07/29/2017 Peak Gage Height (feet) 2.30 0.65 1.15 2.15 Peak Volume (ac-ft) 0.8 0.3 0.4 0.8 Percent Spillway Capacity 4.0 1.4 2.2 3.8 Hydrograph of peak WY 2017 impoundment event, 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 585 Phoenix East Park Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 9 8 4 2 1 11 5 5 5 6 5 5 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 18 0 6 0 0 0 0 16 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 17 16 8 3 1 21 9 10 10 12 10 9 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 64 MEAN 0 MAX 18 MIN 0 AC_FT 127 FCDMC Annual Surface Water Report, Water Year 2017 Page 586 Phoenix East Park Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 1 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 587 Phoenix East Park Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.1 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 0.2 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 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 2.3 0.1 1.1 0.1 0.1 0.1 0.1 2.1 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 2017 MEAN 0.10 MAX 2.30 MIN 0.10 FCDMC Annual Surface Water Report, Water Year 2017 Page 588 Phoenix West Park Dam, ID #4858 Site Data LOCATION Near Peoria and Seventh Avenues DRAINAGE AREA 0.62 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S22 T3N R3E LATITUDE N 33° 35' 02.8" | +33.58412 LONGITUDE W 112° 04' 55.0" | -112.08195 STREAMGAGE INSTALLATION DATE 11/29/2001 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 11/29/2001 - Current LENGTH OF AVAILABLE POR DATA 15.84 Years | 5,785 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,315.72 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 24.0 feet Gage Height TOP OF DAM ELEVATION 30.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 589 Watershed Map Volume (acre-feet) Phoenix West Park Dam - water year peaks 20 18 16 14 12 10 8 6 4 2 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 590 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/22/2016 12/31/2016 01/01/2017 01/20/2017 02/28/2017 Peak Gage Height (feet) 3.84 5.84 2.72 1.08 0.58 3.39 Peak Volume (ac-ft) 5.8 8.8 4.1 1.6 0.9 5.1 Percent Spillway Capacity 5.1 7.8 3.7 1.5 0.7 4.5 Hydrograph of peak WY 2017 impoundment event, 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 591 Phoenix West Park Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 4 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 5 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 41 5 27 0 0 0 0 2 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 9 0 1 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 5 MEAN 0 MAX 41 MIN 0 AC_FT 10 FCDMC Annual Surface Water Report, Water Year 2017 Page 592 Phoenix West Park Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 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 9 2 5 0 0 0 0 1 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 9 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 593 Phoenix West Park Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.8 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 0.3 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 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 --0.3 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 5.8 1.1 3.4 0.2 0.2 0.2 0.2 0.6 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 2017 MEAN 0.20 MAX 5.84 MIN 0.20 FCDMC Annual Surface Water Report, Water Year 2017 Page 594 Phoenix Zoo Dam #3, ID #4307 Site Data LOCATION Located in Papago Park on the north side of the Phoenix Zoo property. DRAINAGE AREA 0.07 mi2 STREAM TYPE Dam with permanent lake JURISDICTION Phoenix, Arizona WATERSHED Lower ACDC SECTION/TOWNSHIP/RANGE S04 T1N R4E LATITUDE N 33° 27' 10.1" | +33.45281 LONGITUDE W 111° 56' 53.1" | -111.94808 STREAMGAGE INSTALLATION DATE 04/25/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 04/25/2016 - Current LENGTH OF AVAILABLE POR DATA 1.43 Years | 524 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 8.90 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 9.0 feet Gage Height SPILLWAY CREST ELEVATION 12.80 feet Gage Height TOP OF BASIN ELEVATION 13.40 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 595 Location Map Phoenix Zoo Dam #3 - water year peaks Volume (acre-feet) 14 12 10 8 6 4 2 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 596 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) None above Static pool Hydrograph of peak WY 2017 impoundment No peaks greater than the static pool recorded in WY2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 597 Percent Spillway Capacity Phoenix Zoo Dam #3, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 598 Phoenix Zoo Dam #3, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 13 13 13 13 12 12 12 12 12 12 12 12 2 13 13 13 13 12 12 12 12 12 12 12 12 3 13 13 13 13 12 12 12 12 12 12 12 12 4 13 13 13 13 12 12 12 12 12 12 12 12 5 13 13 13 13 12 12 12 12 12 12 12 12 6 13 13 13 13 12 12 12 12 12 12 12 12 7 13 13 13 13 12 12 12 12 12 12 12 12 8 13 13 13 13 12 12 12 12 12 12 12 12 9 13 13 13 13 12 12 12 12 12 12 12 12 10 13 13 13 13 12 12 12 12 12 12 12 12 11 13 13 13 13 12 12 12 12 12 12 12 12 12 12 13 13 13 12 12 12 12 12 12 12 12 13 12 13 13 13 12 12 12 12 12 12 12 12 14 12 13 13 13 12 12 12 12 12 12 12 12 15 12 13 13 13 12 12 12 12 12 12 12 12 16 12 13 13 13 12 12 12 12 12 12 12 12 17 12 13 13 13 12 12 12 12 12 12 12 12 18 12 13 13 13 12 12 12 12 12 12 12 12 19 12 13 13 13 12 12 12 12 12 12 12 12 20 13 13 13 13 12 12 12 12 12 12 12 12 21 13 13 13 13 12 12 12 12 12 12 12 12 22 13 13 13 13 12 12 12 12 12 12 12 12 23 13 13 13 13 12 12 12 12 12 12 12 12 24 13 12 13 13 12 12 12 12 12 12 12 12 25 13 13 13 12 12 12 12 12 12 12 12 12 26 13 13 13 12 12 12 12 12 12 12 12 12 27 13 13 13 12 12 12 12 12 12 12 12 12 28 13 13 13 12 12 12 12 12 12 12 12 12 29 13 13 13 12 --12 12 12 12 12 12 12 30 13 13 13 12 --12 12 12 12 12 12 12 31 13 --13 12 --12 --12 --12 12 -------------------------------------------------------------------------------MEAN 13 13 13 13 12 12 12 12 12 12 12 12 MAX 13 13 13 13 12 12 12 12 12 12 12 12 MIN 12 12 12 12 12 12 12 12 12 12 12 12 -----------------------------------------------------------------------------WTR YR 2017 MEAN 12 MAX 13 MIN 12 FCDMC Annual Surface Water Report, Water Year 2017 Page 599 Phoenix Zoo Dam #3, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 9.6 9.4 9.3 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 2 9.8 9.4 9.3 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 3 10.0 9.5 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 4 10.1 9.6 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 5 10.0 9.6 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 6 10.1 9.7 9.3 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 7 10.0 9.8 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8 9.4 9.9 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 9 9.2 10.0 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 10 9.2 10.0 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 11 9.1 9.6 9.2 9.3 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 12 9.1 9.4 9.2 9.3 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 13 9.0 9.3 9.2 9.3 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 14 9.0 9.2 9.3 9.2 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 15 9.0 9.3 9.3 9.3 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 16 9.0 9.5 9.3 9.3 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 17 9.0 9.4 9.4 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 18 9.0 9.4 9.5 9.3 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 19 9.1 9.4 9.5 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 20 9.1 9.4 9.5 9.5 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 21 9.2 9.4 9.5 9.7 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 22 9.2 9.3 9.6 9.5 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 23 9.2 9.1 9.6 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 24 9.2 9.1 9.5 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 25 9.2 9.1 9.4 9.2 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 26 9.2 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 27 9.2 9.2 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 28 9.3 9.3 9.4 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 29 9.3 9.3 9.3 8.9 --8.9 8.9 8.9 8.9 8.9 8.9 8.9 30 9.3 9.3 9.3 8.9 --8.9 8.9 8.9 8.9 8.9 8.9 8.9 31 9.3 --9.3 8.9 --8.9 --8.9 --8.9 8.9 -------------------------------------------------------------------------------MEAN 9.3 9.4 9.3 9.3 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 MAX 10.2 10.2 9.7 9.8 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 MIN 8.9 8.9 9.0 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 -----------------------------------------------------------------------------WTR YR 2017 MEAN 9.05 MAX 10.22 MIN 8.90 FCDMC Annual Surface Water Report, Water Year 2017 Page 600 Phoenix Zoo Dam #5, ID #4407 Site Data LOCATION Located within the Phoenix Zoo property at the southwest corner. DRAINAGE AREA 0.32 mi2 STREAM TYPE Dam with permanent lake JURISDICTION Phoenix, Arizona WATERSHED Lower ACDC SECTION/TOWNSHIP/RANGE S09 T1N R4E LATITUDE N 33° 26' 57.1" | +33.44920 LONGITUDE W 111° 57' 04.2" | -111.95117 STREAMGAGE INSTALLATION DATE 04/28/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 04/28/2016 - Current LENGTH OF AVAILABLE POR DATA 1.43 Years | 521 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 7.75 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,204.50 feet MSL POINT OF ZERO FLOW Approximately 7.8 feet Gage Height SPILLWAY CREST ELEVATION 8.70 feet Gage Height TOP OF BASIN ELEVATION 9.20 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 601 Location Map Phoenix Zoo Dam #5 - water year peaks Volume (acre-feet) 12 10 8 6 4 2 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 602 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity 08/03/2017 9.25 10.33 107.5 Hydrograph of peak WY 2017 impoundment event, 08/03/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 603 Phoenix Zoo Dam #5, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 604 Phoenix Zoo Dam #5, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 9 9 9 9 9 9 9 9 9 9 9 9 2 9 9 9 9 9 9 9 9 9 9 9 9 3 9 9 9 9 9 9 9 9 9 9 9 9 4 9 9 9 9 9 9 9 9 9 9 10 9 5 9 9 9 9 9 9 9 9 9 9 9 9 6 9 9 9 9 9 9 9 9 9 9 9 9 7 9 9 9 9 9 9 9 9 9 9 9 9 8 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 10 9 9 9 9 9 9 9 9 9 9 9 9 11 9 9 9 9 9 9 9 9 9 9 9 9 12 9 9 9 9 9 9 9 9 9 9 9 9 13 9 9 9 9 9 9 9 9 9 9 9 9 14 9 9 9 9 10 9 9 9 9 9 9 9 15 9 9 9 9 9 9 9 9 9 9 9 9 16 9 9 9 9 9 9 9 9 9 9 9 9 17 9 9 9 9 9 9 9 9 9 9 9 9 18 9 9 9 9 9 9 9 9 9 9 9 9 19 9 9 9 9 9 9 9 9 9 9 9 9 20 9 9 9 9 9 9 9 9 9 9 9 9 21 9 9 9 9 9 9 9 9 9 9 9 9 22 9 9 9 9 9 9 9 9 9 9 9 9 23 9 9 9 9 9 9 9 9 9 9 9 9 24 9 9 9 9 9 9 9 9 9 9 9 9 25 9 9 9 9 9 9 9 9 9 9 9 9 26 9 9 9 9 9 9 9 9 9 9 9 9 27 9 9 9 9 9 9 9 9 9 9 9 9 28 9 9 9 9 9 9 9 9 9 9 9 9 29 9 9 9 9 --9 9 9 9 9 9 9 30 9 9 9 9 --9 9 9 9 9 9 9 31 9 --9 9 --9 --9 --9 9 -------------------------------------------------------------------------------MEAN 9 9 9 9 9 9 9 9 9 9 9 9 MAX 9 9 9 10 10 9 9 9 9 9 10 9 MIN 9 9 9 9 9 9 9 9 9 9 9 9 -----------------------------------------------------------------------------WTR YR 2017 MEAN 9 MAX 10 MIN 9 FCDMC Annual Surface Water Report, Water Year 2017 Page 605 Phoenix Zoo Dam #5, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 8.4 8.4 8.4 8.5 8.3 8.5 8.3 8.3 8.4 8.4 8.3 8.3 2 8.4 8.4 8.4 8.5 8.3 8.5 8.3 8.3 8.4 8.4 8.3 8.3 3 8.4 8.5 8.4 8.5 8.3 8.5 8.3 8.3 8.4 8.4 8.6 8.3 4 8.4 8.4 8.4 8.5 8.3 8.5 8.3 8.3 8.4 8.4 8.7 8.3 5 8.4 8.4 8.4 8.4 8.3 8.5 8.3 8.3 8.4 8.4 8.5 8.4 6 8.5 8.4 8.4 8.5 8.3 8.5 8.3 8.3 8.4 8.3 8.5 8.4 7 8.5 8.4 8.4 8.4 8.3 8.5 8.3 8.3 8.4 8.3 8.4 8.4 8 8.6 8.4 8.4 8.4 8.3 8.5 8.3 8.3 8.4 8.3 8.4 8.4 9 8.5 8.4 8.4 8.4 8.3 8.5 8.3 8.3 8.4 8.3 8.4 8.4 10 8.5 8.4 8.4 8.4 8.3 8.4 8.3 8.3 8.4 8.3 8.4 8.4 11 8.5 8.5 8.4 8.5 8.3 8.4 8.3 8.3 8.4 8.3 8.4 8.4 12 8.4 8.5 8.4 8.5 8.3 8.4 8.3 8.3 8.4 8.3 8.4 8.4 13 8.4 8.5 8.4 8.5 8.5 8.4 8.3 8.3 8.4 8.3 8.3 8.3 14 8.4 8.5 8.4 8.5 8.7 8.3 8.3 8.3 8.4 8.3 8.3 8.3 15 8.4 8.4 8.4 8.5 8.5 8.3 8.3 8.3 8.4 8.3 8.3 8.3 16 8.4 8.5 8.4 8.4 8.5 8.3 8.3 8.3 8.4 8.3 8.3 8.3 17 8.4 8.5 8.4 8.5 8.4 8.3 8.3 8.3 8.4 8.4 8.4 8.3 18 8.4 8.4 8.4 8.4 8.4 8.3 8.3 8.3 8.4 8.4 8.4 8.2 19 8.4 8.4 8.4 8.4 8.5 8.3 8.3 8.3 8.4 8.4 8.4 8.2 20 8.4 8.4 8.4 8.5 8.6 8.3 8.3 8.3 8.4 8.3 8.3 8.2 21 8.4 8.4 8.4 8.6 8.6 8.2 8.3 8.3 8.4 8.4 8.3 8.2 22 8.4 8.5 8.5 8.5 8.6 8.2 8.3 8.3 8.4 8.4 8.4 8.2 23 8.4 8.4 8.5 8.5 8.5 8.2 8.3 8.3 8.4 8.4 8.4 8.2 24 8.4 8.4 8.5 8.5 8.5 8.2 8.3 8.3 8.4 8.4 8.4 8.2 25 8.5 8.4 8.5 8.5 8.5 8.4 8.3 8.3 8.4 8.4 8.4 8.3 26 8.5 8.4 8.5 8.5 8.5 8.4 8.3 8.3 8.4 8.4 8.4 8.4 27 8.5 8.4 8.4 8.4 8.5 8.4 8.3 8.3 8.4 8.4 8.4 8.3 28 8.4 8.4 8.4 8.4 8.5 8.4 8.3 8.3 8.3 8.3 8.4 8.4 29 8.5 8.4 8.5 8.4 --8.4 8.3 8.3 8.4 8.3 8.4 8.3 30 8.4 8.4 8.5 8.4 --8.4 8.3 8.4 8.4 8.3 8.3 8.3 31 8.4 --8.5 8.4 --8.4 --8.4 --8.3 8.3 -------------------------------------------------------------------------------MEAN 8.4 8.5 8.4 8.5 8.4 8.4 8.3 8.3 8.4 8.3 8.4 8.3 MAX 8.6 8.5 8.5 8.7 8.7 8.5 8.3 8.4 8.4 8.4 9.2 8.4 MIN 8.4 8.4 8.4 8.3 8.3 8.2 8.2 8.2 8.3 8.3 8.3 8.2 -----------------------------------------------------------------------------WTR YR 2017 MEAN 8.39 MAX 9.25 MIN 8.15 FCDMC Annual Surface Water Report, Water Year 2017 Page 606 Picacho Wash, ID #5678 Site Data LOCATION Located near milepost 10 on SR74 DRAINAGE AREA 17.8 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Trilby SECTION/TOWNSHIP/RANGE S28 T6N R2W LATITUDE N 33° 50' 08.3" | +33.83563 LONGITUDE W 112° 28' 32.1" | -112.47557 ARIZONA STATE PLANE E 530364 | N 1032224 USGS QUAD SHEET Hieroglyphic Mountains SW 7.5-Minute STREAMGAGE INSTALLATION DATE 04/11/2012 - WY 2012 AVAILABLE PERIOD OF RECORD (POR) 04/11/2012 - Current LENGTH OF AVAILABLE POR DATA 5.47 Years | 1,999 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 0.98 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,962.000 feet NAVD 1988 POINT OF ZERO FLOW 0.1 feet EXTREME FOR PERIOD OF RECORD 1,429 cfs | 3.53 feet | 08/16/2012 FCDMC Annual Surface Water Report, Water Year 2017 Page 607 Watershed Map Picacho Wash - water year peaks 1,600 Discharge (cfs) 1,400 1,200 1,000 800 600 400 200 0 2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 608 2015 Water Year 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 01/01/2017 2.73 746 Hydrograph of peak WY 2017 flow event, 08/03/2016 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 609 Picacho Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 35 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 35 0 0 0 0 0 0 0 0 MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 0 0 0 746 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 70 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 35 MEAN 0 MAX 746 MIN 0 AC_FT 70 FCDMC Annual Surface Water Report, Water Year 2017 Page 610 Pima Canyon Wash, ID #6523 Site Data LOCATION Located near 48th Street and Guadalupe Road DRAINAGE AREA 1.51 mi2 STREAM TYPE Culvert JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S05 T1S R4E LATITUDE N 33° 21' 54.1" | +33.36504 LONGITUDE W 111° 58' 30.4" | -111.97512 STREAMGAGE INSTALLATION DATE 04/15/2014 - WY 2014 AVAILABLE PERIOD OF RECORD (POR) 04/15/2014 - Current LENGTH OF AVAILABLE POR DATA 3.46 Years | 1,265 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.69 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 345 cfs | 6.52 feet Gage Height | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 611 Watershed Map Pima Canyon Wash - water year peaks 400 350 300 250 200 150 100 50 0 2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 612 2015 Water Year 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) No runoff Hydrograph of peak WY 2017 flow event There was no runoff recorded during Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 613 Pima Canyon Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 614 Powder House Wash, ID #7113 Site Data LOCATION In Wickenburg, north of Constellation Road DRAINAGE AREA 1.8 mi2 STREAM TYPE Natural Stream JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S06 T7N R4W LATITUDE N 33° 58' 51.0" | +33.98083 LONGITUDE W 112° 43' 02.3" | -112.71732 STREAMGAGE INSTALLATION DATE 05/18/1995 - WY 1995 AVAILABLE PERIOD OF RECORD (POR) 05/18/1995 - Current LENGTH OF AVAILABLE POR DATA 22.37 Years | 8,172 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 2 ZERO GAGE HEIGHT ELEVATION 2,133.71 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 2,312 cfs | 2.42 feet | 07/18/2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 615 Watershed Map Powder House Wash - water year peaks Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 616 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 08/10/2017 0.53 1,000 Hydrograph of peak WY 2017 flow event, 08/10/2017 Hydrograph Unavailable due to significant channel scour during event. Event occurred and was below the level sensor. Flood Flow Frequency Flood Flow Frequency N=23, HEC-WRC computation (based on 23 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 202 725 1,330 2,130 3,510 4,800 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 617 Powder House Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 NOTE: Event of August 10, 2017 caused significant channel scour and failed to be recorded by the transducer. FCDMC Annual Surface Water Report, Water Year 2017 Page 618 Powerline Floodway, ID #6708 Site Data LOCATION Located near Ellsworth and Ray Roads DRAINAGE AREA Not Determined STREAM TYPE Engineered Channel JURISDICTION Mesa, Arizona WATERSHED Lower East Maricopa Floodway SECTION/TOWNSHIP/RANGE S28 T1S R7E LATITUDE N 33° 19' 16.4" | +33.32123 LONGITUDE W 111° 38' 09.9" | -111.63609 STREAMGAGE INSTALLATION DATE 02/13/2008 - WY 2008 AVAILABLE PERIOD OF RECORD (POR) 02/13/2008 - Current LENGTH OF AVAILABLE POR DATA 9.63 Years | 3,518 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,077 cfs | 4.70 feet | 09/04/2012 FCDMC Annual Surface Water Report, Water Year 2017 Page 619 Watershed Map Powerline Floodway - water year peaks 1,200 Discharge (cfs) 1,000 800 600 400 200 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 620 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/21/2017 01/21/2017 07/10/2017 07/23/2017 07/24/2017 07/30/2017 08/02/2017 08/03/2017 08/26/2017 Peak Gage Height 1.67 0.59 0.80 0.60 1.12 0.92 2.47 1.42 0.77 1.10 1.02 Peak Discharge (cfs) 175 14 26 14 59 35 336 117 24 56 45 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Runoff at this station is mainly due to discharge from Powerline FRS and Vineyard FRS and is regulated by the size of the outlets for each structure. Flood Frequency data would not be meaningful at this location. FCDMC Annual Surface Water Report, Water Year 2017 Page 621 Powerline Floodway, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 4 2 3 9 3 9 4 4 5 --6 7 8 9 10 3 11 1 12 13 14 15 16 17 18 19 20 21 11 22 38 2 23 17 2 24 --156 25 84 26 24 5 27 10 3 28 2 29 --7 30 --31 31 ---------------------------------------------------------------------------------------TOTAL 0 0 55 19 0 0 0 0 0 319 31 0 MEAN 0 0 2 1 0 0 0 0 0 10 1 0 MAX 7 0 175 26 0 0 3 0 0 336 56 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 109 39 0 0 0 0 0 633 61 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 425 MEAN 1 MAX 336 MIN 0 AC_FT 842 FCDMC Annual Surface Water Report, Water Year 2017 Page 622 Powerline FRS, ID #6683 Site Data LOCATION Located south of Apache Junction east of Ironwood Road DRAINAGE AREA 46.2 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Pinal County, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S09 T1S R8E LATITUDE N 33° 21' 16.7" | +33.35463 LONGITUDE W 111° 32' 45.5" | -111.54598 STREAMGAGE INSTALLATION DATE 12/02/1992 - WY 1993 AVAILABLE PERIOD OF RECORD (POR) 12/02/1992 - Current LENGTH OF AVAILABLE POR DATA 24.83 Years | 9,069 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 5 ZERO GAGE HEIGHT ELEVATION 1,563.82 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 21.1 feet Gage Height TOP OF DAM ELEVATION 25.6 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 623 Watershed Map Powerline FRS - water year peaks Volume (acre-feet) 1,200 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 624 2005 Axis Title 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 07/24/2017 07/29/2017 08/04/2017 08/26/2017 Peak Gage Height (feet) 1.48 8.99 2.25 1.47 1.03 Peak Volume (ac-ft) 94.4 1,063.9 146.1 93.8 65.7 Percent Spillway Capacity 1.2 21.7 2.9 1.7 1.0 Hydrograph of peak WY 2017 impoundment event, 08/09/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 625 Powerline FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 7 2 3 3 4 15 5 7 6 7 8 9 10 --11 12 13 14 15 16 17 18 19 20 --21 --22 7 --23 10 2 24 3 71 25 87 26 66 2 27 45 1 28 28 29 --19 30 --26 31 --------17 -------------------------------------------------------------------------------TOTAL 0 0 20 0 0 0 0 0 0 361 36 0 MEAN 0 0 1 0 0 0 0 0 0 12 1 0 MAX 0 0 18 0 0 0 0 0 0 106 18 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 40 0 0 0 0 0 0 716 71 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 417 MEAN 1 MAX 106 MIN 0 AC_FT 827 FCDMC Annual Surface Water Report, Water Year 2017 Page 626 Powerline FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 37 2 3 18 4 77 5 36 6 7 8 9 10 --11 12 13 14 15 16 17 18 19 20 --21 --22 37 --23 54 10 24 14 634 25 720 26 426 12 27 242 7 28 139 29 --99 30 --125 31 --------88 -------------------------------------------------------------------------------MEAN 0 0 3 0 0 0 0 0 0 80 6 0 MAX 0 0 94 0 0 0 0 0 0 1064 94 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 8 MAX 1064 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 627 Powerline FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.7 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 0.4 0.2 4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.2 0.2 5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.6 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 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 21 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 0.7 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 0.8 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 24 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 5.8 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 6.9 0.2 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4.7 0.4 0.2 27 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3.2 0.3 0.2 28 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2.1 0.2 0.2 29 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 1.6 0.2 0.2 30 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 2.0 0.2 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --1.4 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.0 0.3 0.2 MAX 0.2 0.2 1.5 0.2 0.2 0.2 0.2 0.2 0.2 9.0 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 2017 MEAN 0.28 MAX 8.99 MIN 0.20 FCDMC Annual Surface Water Report, Water Year 2017 Page 628 Price Drain, ID #4573 Site Data LOCATION Located within the Loop 101 / Loop 202 Interchange DRAINAGE AREA Not Determined STREAM TYPE Engineered Channel JURISDICTION Mesa WATERSHED Lower East Maricopa Floodway SECTION/TOWNSHIP/RANGE S18 T1N R5E LATITUDE N 33° 26' 03.8" | +33.43440 LONGITUDE W 111° 53' 25.0" | -111.89028 STREAMGAGE INSTALLATION DATE 02/18/2001 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 02/18/2001 - Current LENGTH OF AVAILABLE POR DATA DATA 16.62 Years | 6,069 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 0.26 feet Gage Height ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD 993 cfs | 8.50 feet | 03/04/2004 FCDMC Annual Surface Water Report, Water Year 2017 Page 629 Location Map (watershed undetermined) Price Drain - water year peaks 1,200 Discharge (cfs) 1,000 800 600 400 200 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 630 2010 Water Year 2015 2020 WY2017 Events Date of Peak 10/02/2016 11/03/2016 11/09/2016 11/28/2016 12/22/2016 12/24/2016 01/01/2017 01/21/2017 02/19/2017 02/28/2017 07/23/2017 07/24/2017 08/03/2017 08/12/2017 Peak Gage Height (feet) 2.38 2.43 2.01 2.06 3.03 2.18 2.31 3.78 2.81 2.16 3.77 3.20 4.70 2.70 Peak Discharge (cfs) 87 91 63 66 138 73 82 207 119 72 206 152 323 111 Hydrograph of peak WY 2017 flow event, 08/03/2017 Flood Flow Frequency This site is not suitable to compute a flood flow frequency. FCDMC Annual Surface Water Report, Water Year 2017 Page 631 Price Drain, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 18 19 16 34 17 33 17 19 18 20 21 35 2 48 19 16 17 15 16 16 20 16 20 27 32 3 29 35 18 17 16 15 19 22 17 19 54 30 4 17 38 15 20 15 14 19 21 17 19 51 32 5 20 21 15 19 14 15 20 19 16 24 31 32 6 19 21 17 19 14 16 18 19 18 21 23 29 7 19 20 16 19 15 15 19 18 22 20 26 32 8 21 19 15 19 17 18 19 19 19 20 26 29 9 20 24 15 18 18 19 20 19 18 20 26 26 10 19 20 15 17 16 14 20 21 18 21 28 23 11 20 20 15 19 15 14 20 13 18 22 27 22 12 19 19 16 20 16 14 22 10 18 26 37 22 13 18 18 15 17 17 13 28 10 18 25 45 20 14 18 19 15 17 20 14 33 8 22 20 33 21 15 18 22 16 20 20 18 26 16 20 20 30 28 16 18 19 18 19 18 19 26 19 18 22 34 23 17 18 20 16 18 18 17 28 19 20 35 37 20 18 19 20 16 18 26 19 26 18 19 20 30 23 19 17 19 16 19 82 19 30 18 19 25 33 22 20 18 17 17 51 29 18 26 17 18 23 32 22 21 19 20 20 90 18 15 26 18 21 31 34 21 22 18 18 68 30 13 14 24 16 20 21 35 22 23 18 18 21 15 12 17 20 19 20 33 35 21 24 17 17 29 13 13 17 20 19 20 71 53 20 25 15 17 31 12 14 13 20 18 20 53 35 20 26 18 18 16 12 12 15 22 18 23 45 33 20 27 22 22 14 15 14 15 22 17 21 31 33 21 28 20 30 18 15 37 16 22 17 24 27 28 20 29 19 18 18 19 --18 20 16 25 24 30 21 30 19 16 16 20 --17 20 20 21 20 35 22 31 19 --21 20 --19 --20 --21 37 -------------------------------------------------------------------------------TOTAL 617 621 589 679 553 514 669 541 584 818 1040 730 MEAN 20 21 19 22 20 17 22 17 19 26 34 24 MAX 87 91 138 207 119 53 42 35 36 206 323 46 MIN 15 15 14 11 12 0 2 0 0 18 20 19 AC_FT 1225 1231 1168 1346 1097 1020 1326 1074 1158 1622 2063 1449 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 7955 MEAN 22 MAX 323 MIN 0 AC_FT 15779 FCDMC Annual Surface Water Report, Water Year 2017 Page 632 Prickly Pear Wash, ID #8107 Site Data LOCATION Located at John Teets Park near Ramuda Drive and 43rd Way DRAINAGE AREA 1.38 mi2 STREAM TYPE Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S06 T4N R4E LATITUDE N 33° 43' 15.9" | +33.72107 LONGITUDE W 111° 59' 24.0" | -111.99001 STREAMGAGE INSTALLATION DATE 06/01/2017 - WY 2017 AVAILABLE PERIOD OF RECORD (POR) 06/01/2017 - Current LENGTH OF AVAILABLE POR DATA 0.33 Years | 122 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.70 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 1,730.25 feet NAVD88 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD None recorded since installation FCDMC Annual Surface Water Report, Water Year 2017 Page 633 Watershed Map Discharge (cfs) Prickly Pear Wash - water year peaks 100 90 80 70 60 50 40 30 20 10 0 No runoff events recorded since installation. 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 634 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event There was no runoff events recorded in Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 635 Prickly Pear Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 636 Queen Creek at CAP, ID #6723 Site Data LOCATION Located in Pinal County at the CAP crossing and the Sonoqui Dike DRAINAGE AREA 256 mi2 STREAM TYPE Dike across natural stream JURISDICTION Pinal County, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S26 T2S R8E LATITUDE N 33° 13' 55.8" | +33.23216 LONGITUDE W 111° 30' 11.3" | -111.50314 STREAMGAGE INSTALLATION DATE 01/14/1999 - WY 1999 AVAILABLE PERIOD OF RECORD (POR) 01/14/1999 - Current LENGTH OF AVAILABLE POR DATA 18.71 Years | 6,835 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,043 cfs | 10.15 feet | 02/12/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 637 Watershed Map Queen Creek at CAP - water year peaks 1,200 Discharge (cfs) 1,000 800 600 400 200 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 638 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/23/2016 12/26/2016 01/21/2017 01/24/2017 07/22/2017 07/24/2017 Peak Gage Height 4.14 2.00 7.98 7.26 3.44 4.36 Peak Discharge (cfs) 364 76 869 824 257 402 Hydrograph of peak WY 2017 flow event, 01/21/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 639 Queen Creek at CAP, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 14 15 16 17 18 19 20 1 21 592 22 6 362 102 23 127 17 24 615 174 25 61 513 155 26 61 180 27 2 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 1 0 257 2280 0 0 0 0 0 431 0 0 MEAN 0 0 8 74 0 0 0 0 0 14 0 0 MAX 4 0 364 869 0 0 0 0 0 405 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 0 510 4522 0 0 0 0 0 856 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2969 MEAN 8 MAX 869 MIN 0 AC_FT 5889 FCDMC Annual Surface Water Report, Water Year 2017 Page 640 Queen Creek at Rittenhouse Road, ID #6707 Site Data LOCATION At the Queen Creek crossing of Rittenhouse Road DRAINAGE AREA 236 mi2 STREAM TYPE Natural Stream JURISDICTION Queen Creek, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S25 T2S R7E LATITUDE N 33° 13' 48.9" | +33.23025 LONGITUDE W 111° 35' 39.4" | -111.59428 STREAMGAGE INSTALLATION DATE 09/14/1993 - WY 1993 AVAILABLE PERIOD OF RECORD (POR) 09/14/1993 - Current LENGTH OF AVAILABLE POR DATA 24.05 Years | 8,783 Days DATA GAPS IN POR 05/28/2014 - 06/29/2014 STAGE GAGE ELEVATION 2.10 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,438.06 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 575 cfs | 2.25 feet | 01/06/1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 641 Watershed Map Queen Creek at Rittenhouse Road - water year peaks 700 Discharge (cfs) 600 500 400 300 200 100 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 642 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/21/2017 01/24/2017 Peak Gage Height 3.30 3.50 Peak Discharge (cfs) 366 481 Hydrograph of peak WY 2017 flow event Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 643 Queen Creek at Rittenhouse Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 55 22 244 23 4 24 266 25 325 26 117 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 1 0 0 1012 1 1 1 1 1 1 1 1 MEAN 0 0 0 33 0 0 0 0 0 0 0 0 MAX 0 0 0 481 0 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 1 1 2007 2 1 1 2 2 2 2 1 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1019 MEAN 3 MAX 481 MIN 0 AC_FT 2022 FCDMC Annual Surface Water Report, Water Year 2017 Page 644 Rainbow Wash, ID #6953 Site Data LOCATION Located on SR85 about 10 miles south of Buckeye DRAINAGE AREA 17.6 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Gillespie SECTION/TOWNSHIP/RANGE S23 T2S R4W LATITUDE N 33° 14' 08.0" | +33.23556 LONGITUDE W 112° 38' 21.0" | -112.63917 STREAMGAGE INSTALLATION DATE 11/06/2000 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 11/06/2000 - Current LENGTH OF AVAILABLE POR DATA 16.90 Years | 6,173 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.07 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 900.06 feet NAVD 1988 POINT OF ZERO FLOW 0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 7,500 cfs | 8.20 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 645 Watershed Map Rainbow Wash - water year peaks 8,000 Discharge (cfs) 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 646 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/24/2017 07/29/2017 08/07/2017 08/08/2017 08/09/2017 Peak Gage Height (feet) 4.23 0.94 1.32 2.94 1.07 Peak Discharge (cfs) 1,921 77 163 897 100 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=17, HEC-WRC computation (based on 17 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 570 1,820 3,310 5,400 9,340 13,400 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 647 Rainbow Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 11 8 50 9 5 10 3 11 4 12 4 13 4 14 3 15 4 16 4 17 4 18 4 19 3 20 4 21 3 22 3 23 3 24 103 3 25 3 26 3 27 2 28 2 29 --4 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 107 128 0 MEAN 0 0 0 0 0 0 0 0 0 3 4 0 MAX 0 0 0 0 0 0 0 0 0 1921 897 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 211 254 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 235 MEAN 1 MAX 1921 MIN 0 AC_FT 465 FCDMC Annual Surface Water Report, Water Year 2017 Page 648 Rawhide Wash, ID #4863 Site Data LOCATION On Dynamite Boulevard about 1/4 mile west of Pima Road DRAINAGE AREA 9.2 mi2 STREAM TYPE Natural stream JURISDICTION Scottsdale, Arizona WATERSHED Upper Indian Bend SECTION/TOWNSHIP/RANGE S36 T5N R4E LATITUDE N 33° 44' 28.1" | +33.74115 LONGITUDE W 111° 53' 53.3" | -111.89814 STREAMGAGE INSTALLATION DATE 07/27/1999 - WY 1999 AVAILABLE PERIOD OF RECORD (POR) 07/27/1999 - Current LENGTH OF AVAILABLE POR DATA 18.18 Years | 6,641 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.52 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 446 cfs | 2.07 feet | 09/09/2006 FCDMC Annual Surface Water Report, Water Year 2017 Page 649 Watershed Map Discharge (cfs) Rawhide Wash - water year peaks 500 450 400 350 300 250 200 150 100 50 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 650 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event There were no runoff events recorded at this gage in Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 651 Rawhide Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 652 Reata Pass Dam, ID #4938 Site Data LOCATION Located south of Dynamite Boulevard and east of Alma School Parkway DRAINAGE AREA 1.0 mi2 JURISDICTION Scottsdale, Arizona WATERSHED Upper Indian Bend SECTION/TOWNSHIP/RANGE S33 T5N R5E LATITUDE N 33° 44' 04.1" | +33.73446 LONGITUDE W 111° 50' 37.0" | -111.84362 STREAMGAGE INSTALLATION DATE 10/02/2001 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 10/02/2001 - Current LENGTH OF AVAILABLE POR DATA 16.00 Years | 5,843 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.15 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 2,590.15 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 16.85 feet Gage Height TOP OF DAM ELEVATION 19.45 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 653 Watershed Map Reata Pass Dam - water year peaks Volume (acre-feet) 25 20 15 10 5 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 654 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/24/2016 12/31/2016 01/01/2017 01/20/2017 01/23/2017 02/19/2017 02/28/2017 07/24/2017 Peak Gage Height (feet) 2.11 2.26 2.06 2.53 2.66 2.01 1.93 2.86 1.15 Peak Volume (ac-ft) 0.4 0.4 0.3 0.6 0.7 0.3 0.2 0.9 0.0 Percent Spillway Capacity 0.9 1.0 0.9 1.4 1.6 0.9 0.8 1.9 0.0 Hydrograph of peak WY 2017 impoundment event, 02/28/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 655 Reata Pass Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 15 2 2 4 3 4 1 5 1 6 7 8 9 10 11 12 13 14 15 16 17 18 1 19 5 20 5 21 12 22 3 23 3 24 5 6 25 2 26 27 1 28 17 29 --30 --31 --6 -------------------------------------------------------------------------------------TOTAL 0 0 15 48 25 2 0 0 0 0 0 0 MEAN 0 0 0 2 1 0 0 0 0 0 0 0 MAX 0 0 20 39 53 2 0 0 0 1 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 29 96 49 4 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 90 MEAN 0 MAX 53 MIN 0 AC_FT 178 FCDMC Annual Surface Water Report, Water Year 2017 Page 656 Reata Pass Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 1 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 657 Reata Pass Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 0.1 2.0 0.1 1.1 0.1 0.1 0.1 0.1 0.1 0.1 2 0.1 0.1 0.1 1.4 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 3 0.1 0.1 0.1 0.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4 0.1 0.1 0.1 0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 5 0.1 0.1 0.1 0.7 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 0.1 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 0.2 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 0.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 19 0.1 0.1 0.1 0.1 1.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 20 0.1 0.1 0.1 0.6 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 21 0.1 0.1 0.1 1.9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 22 0.1 0.1 1.0 0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 23 0.1 0.1 0.1 1.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 24 0.1 0.1 0.8 1.6 0.1 0.1 0.1 0.1 0.1 0.5 0.1 0.1 25 0.1 0.1 1.1 0.7 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 0.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 28 0.1 0.1 0.1 0.1 2.1 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 30 0.1 0.1 0.2 0.1 --0.1 0.1 0.1 0.1 0.1 0.1 0.1 31 0.1 --1.6 0.1 --0.1 --0.1 --0.1 0.1 -------------------------------------------------------------------------------MEAN 0.1 0.1 0.3 0.5 0.3 0.2 0.2 0.1 0.1 0.2 0.1 0.1 MAX 0.1 0.1 2.3 2.7 2.9 1.3 0.2 0.1 0.1 1.1 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 2017 MEAN 0.20 MAX 2.86 MIN 0.15 FCDMC Annual Surface Water Report, Water Year 2017 Page 658 Reata Pass Wash – ID #4588 Site Data LOCATION Located on Pinnacle Peak Road about 1.6 miles east of Pima Road DRAINAGE AREA 7.9 mi2 STREAM TYPE Natural stream JURISDICTION Scottsdale, Arizona WATERSHED Upper Indian Bend SECTION/TOWNSHIP/RANGE S17 T4N R5E LATITUDE N 33° 41' 52.9" | +33.69804 LONGITUDE W 111° 51' 50.6" | -111.86408 STREAMGAGE INSTALLATION DATE 05/15/2001 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 05/15/2001 - Current LENGTH OF AVAILABLE POR DATA 16.38 Years | 5,983 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.30 feet Gage Height ZERO GAGE HEIGHT ELEVATION 2,172.92 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,197 cfs | 2.08 feet | 09/08/2014 EXTREME OUTSIDE PERIOD OF RECORD 1,780 cfs | 08/29/1996 FCDMC Annual Surface Water Report, Water Year 2017 Page 659 Watershed Map Reata Pass Wash - water year peaks 1,400 Discharge (cfs) 1,200 1,000 800 600 400 200 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 660 2010 Water Year 2015 2020 WY2017 Events Date of Peak 11/21/2016 01/01/2017 02/28/2017 07/24/2017 Peak Gage Height (feet) 0.92 0.57 0.65 0.60 Peak Discharge (cfs) 206 78 100 86 Hydrograph of peak WY 2017 flow event, 11/21/2016 Flood Flow Frequency Flood Flow Frequency N=17, HEC-WRC computation (based on 17 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 86 556 1,330 2,570 5,120 7,840 FCDMC Annual Surface Water Report, Water Year 2017 Page 661 Reata Pass Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 7 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 --20 21 6 22 --23 24 3 25 26 27 28 4 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 6 0 7 4 0 0 0 0 2 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 206 0 78 100 0 0 0 0 86 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 13 0 14 8 0 0 0 0 4 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 19 MEAN 0 MAX 206 MIN 0 AC_FT 38 FCDMC Annual Surface Water Report, Water Year 2017 Page 662 Rittenhouse FRS, ID #6703 Site Data LOCATION East of town of Queen Creek in Pinal County DRAINAGE AREA 47.1 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Pinal County WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S02 T2S R8E LATITUDE N 33° 17' 20.3" | +33.28896 LONGITUDE W 111° 30' 23.7" | -111.50659 STREAMGAGE INSTALLATION DATE 09/27/1988 - WY 1988 AVAILABLE PERIOD OF RECORD (POR) 09/27/1988 - Current LENGTH OF AVAILABLE POR DATA 29.01 Years | 10,596 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.25 feet Gage Height STAFF GAGES 4 ZERO GAGE HEIGHT ELEVATION 1,579.00 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 19.4 feet Gage Height TOP OF DAM ELEVATION 24.4 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 663 Watershed Map Volume (acre-feet) Rittenhouse FRS - water year peaks 1,000 900 800 700 600 500 400 300 200 100 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 664 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 11/04/2016 12/22/2016 12/25/2016 01/01/2017 01/24/2017 07/24/2017 07/30/2017 08/01/2017 08/13/2017 09/09/2017 Peak Gage Height (feet) 2.75 5.29 2.60 2.70 2.37 5.26 2.97 1.92 1.62 1.12 Peak Volume (ac-ft) 11.8 58.2 10.4 11.3 8.3 56.9 13.7 4.7 3.5 1.5 Percent Spillway Capacity 0.3 1.5 0.3 0.3 0.2 1.5 0.4 0.1 0.1 <0.1 Hydrograph of peak WY 2017 impoundment event, 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 665 Rittenhouse FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 10 3 2 2 3 1 4 8 5 6 7 8 9 1 10 --11 12 13 2 14 15 1 16 1 17 18 19 20 21 --22 26 --23 3 1 24 1 16 33 25 20 2 4 26 2 27 28 1 29 --3 30 --7 31 ---------------------------------------------------------------------------------------TOTAL 0 12 52 28 0 0 0 0 0 48 7 1 MEAN 0 0 2 1 0 0 0 0 0 2 0 0 MAX 0 33 71 32 0 0 0 0 0 70 20 7 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 24 102 55 0 0 0 0 0 95 13 2 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 147 MEAN 0 MAX 71 MIN 0 AC_FT 291 FCDMC Annual Surface Water Report, Water Year 2017 Page 666 Rittenhouse FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 3 1 2 3 4 2 5 6 7 8 9 10 --11 12 13 14 15 16 17 18 19 20 21 --22 15 --23 1 24 4 18 25 6 1 26 27 28 29 --1 30 --2 31 ---------------------------------------------------------------------------------------MEAN 0 0 1 0 0 0 0 0 0 1 0 0 MAX 0 12 58 11 0 0 0 0 0 57 5 1 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 58 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 667 Rittenhouse FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 1.0 0.2 0.2 0.2 0.2 0.2 0.2 0.5 0.2 2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.2 3 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.9 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 0.4 10 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 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.5 0.2 14 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 15 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 16 0.2 0.3 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 22 0.2 0.2 2.1 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 0.5 0.4 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 24 0.2 0.2 0.4 1.7 0.2 0.2 0.2 0.2 0.2 2.6 0.2 0.2 25 0.2 0.2 1.9 0.4 0.2 0.2 0.2 0.2 0.2 0.6 0.2 0.2 26 0.2 0.2 0.4 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 0.3 0.2 0.2 29 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 0.5 0.2 0.2 30 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 0.8 0.2 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.3 0.4 0.3 0.2 0.2 0.2 0.2 0.2 0.4 0.3 0.3 MAX 0.2 2.8 5.3 2.7 0.2 0.2 0.2 0.2 0.2 5.3 1.9 1.1 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 2017 MEAN 0.28 MAX 5.29 MIN 0.25 FCDMC Annual Surface Water Report, Water Year 2017 Page 668 Roeser Road at 23rd Avenue Basin, ID #66807 Site Data LOCATION Located on the basin at the northeast corner of Roeser Rd and 23rd Avenue DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Phoenix, Arizona WATERSHED South Mountain SECTION/TOWNSHIP/RANGE S25 T1N R2E LATITUDE N 33° 23' 58.9" | +33.39968 LONGITUDE W 112° 09' 02.5" | -112.15070 STREAMGAGE INSTALLATION DATE 10/01/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 10/01/2015 - Current LENGTH OF AVAILABLE POR DATA 2.00 Years | 731 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION No spillway TOP OF BASIN ELEVATION 10.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 669 Watershed Map Roeser Road at 23rd Avenue Basin - water year peaks Volume (acre-feet) 40 35 30 25 20 15 10 5 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 670 2020 Water Year 2025 WY2017 Events Date of Peak 10/02/2016 11/03/2016 11/27/2016 12/22/2016 12/24/2016 12/30/2016 01/01/2017 01/20/2017 02/18/2017 02/27/2017 02/28/2017 07/15/2017 07/24/2017 08/13/2017 Peak Gage Height (feet) 1.64 1.52 1.32 1.97 1.25 1.25 1.42 1.55 1.47 1.07 1.47 0.97 0.92 1.92 Peak Volume (ac-ft) 18.6 17.2 15.0 22.4 14.2 14.2 16.1 17.6 16.7 12.2 16.7 11.1 10.5 21.8 Percent Spillway Capacity 13.6 12.7 11.0 16.4 10.4 10.4 11.8 12.9 12.3 9.0 12.3 8.1 7.7 15.9 Hydrograph of peak WY 2017 impoundment event, 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 671 Roeser Road at 23rd Avenue Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 672 Roeser Road at 23rd Avenue Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 2 1 3 6 4 3 5 3 6 3 7 3 8 3 1 1 9 3 10 3 11 3 12 3 13 3 2 14 3 15 2 1 16 1 17 18 5 19 4 20 3 21 1 1 22 2 23 24 2 2 25 26 27 2 1 28 1 3 29 --30 1 --31 ---------------------------------------------------------------------------------------MEAN 0 2 0 0 0 0 0 0 0 0 0 0 MAX 19 17 22 18 17 6 0 8 0 11 22 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 22 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 673 Roeser Road at 23rd Avenue Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 0.3 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 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 4 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 5 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 6 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 7 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 8 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 9 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 11 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 12 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 13 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 14 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 15 0.2 0.3 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 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 0.4 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 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.3 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 0.3 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 28 0.2 0.2 0.2 0.2 0.3 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 30 0.2 0.2 0.3 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 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 MAX 1.6 1.5 2.0 1.6 1.5 0.6 0.2 0.7 0.2 1.0 1.9 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 2017 MEAN 0.21 MAX 1.97 MIN 0.20 FCDMC Annual Surface Water Report, Water Year 2017 Page 674 Saddleback FRS, ID #5113 Site Data LOCATION Located south of I-10 along Courthouse Road DRAINAGE AREA 29.6 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S34 T2N R8W LATITUDE N 33° 27' 59.8" | +33.46660 LONGITUDE W 113° 04' 21.3" | -113.07258 STREAMGAGE INSTALLATION DATE 12/16/1988 - WY 1989 AVAILABLE PERIOD OF RECORD (POR) 12/16/1988 - Current LENGTH OF AVAILABLE POR DATA 28.79 Years | 10,516 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.30 feet Gage Height STAFF GAGES 3 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,178.93 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION No Spillway TOP OF DAM ELEVATION 16.1 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 675 Watershed Map Saddleback FRS - water year peaks Volume (acre-feet) 120 100 80 60 40 20 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 676 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity 07/24/2017 1.02 66 1.0 Hydrograph of peak WY 2017 impoundment event FCDMC Annual Surface Water Report, Water Year 2017 Page 677 Saddleback FRS, runoff data Discharge, in cub, Water Year October 2016 to September 2017 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 1 25 26 27 28 29 ----30 ----31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 1 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 35 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 2 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1 MEAN 0 MAX 35 MIN 0 AC_FT 2 FCDMC Annual Surface Water Report, Water Year 2017 Page 678 Saddleback FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 6 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 66 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 66 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 679 Saddleback FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 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 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 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 0.4 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 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 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 1.0 0.3 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 2017 MEAN 0.30 MAX 1.02 MIN 0.30 FCDMC Annual Surface Water Report, Water Year 2017 Page 680 Salt River below Granite Reef Dam, ID #4583 Site Data LOCATION Located about 1/2 mile downstream from Granite Reef Diversion structure DRAINAGE AREA 12,919 mi2 STREAM TYPE Natural Stream JURISDICTION Salt River Pima-Maricopa Indian Community, Arizona WATERSHED Lower Verde / Evergreen SECTION/TOWNSHIP/RANGE S13 T2N R6E LATITUDE N 33° 30' 53.5" | +33.5147 LONGITUDE W 111° 41' 56.4" | -111.6990 STREAMGAGE INSTALLATION DATE 04/02/2012 - WY 2012 AVAILABLE PERIOD OF RECORD (POR) 04/02/2012 - Current LENGTH OF AVAILABLE POR DATA 5.50 Years | 2,008 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 4.25 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,276.00 feet NAVD88 POINT OF ZERO FLOW Undetermined EXTREME FOR PERIOD OF RECORD 22,641 cfs | 16.32 feet | 03/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 681 Watershed Map Salt River below Granite Reef - water year peaks Discharge (cfs) 25,000 20,000 15,000 10,000 5,000 0 2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 682 2015 Water Year 2020 WY2017 Events Date of Peak 12/02/2016 01/21/2017 02/13/2017 02/19/2017 02/23/2017 02/25/2017 03/01/2017 07/24/2017 Peak Gage Height (feet) 7.47 13.29 8.11 8.79 6.84 6.84 16.32 8.06 Peak Discharge (cfs) 1,520 12,160 2,134 2,975 1,057 1,057 22,641 2,080 Hydrograph of peak WY 2017 flow event, 03/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 683 Salt River below Granite Reef Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 60 69 157 297 20 17808 78 2 65 71 258 307 20 8403 74 3 71 78 81 297 20 1788 81 4 85 85 85 302 20 2190 81 5 88 85 98 286 2172 85 6 93 74 98 278 20 1818 78 7 88 81 102 303 20 2386 74 8 74 81 125 300 20 2076 74 9 65 68 130 271 20 1697 82 10 66 74 127 300 69 1374 81 11 69 81 136 307 91 1246 83 12 62 81 145 297 994 1134 81 13 66 88 158 320 1961 1123 85 69 14 69 88 164 320 548 85 90 15 62 99 172 323 1305 99 85 93 16 65 102 164 333 760 57 88 90 17 72 102 187 320 403 66 91 90 18 78 107 168 334 2381 78 81 90 19 71 107 164 344 2799 71 74 90 20 68 112 164 347 743 78 79 93 21 65 116 179 5772 573 81 84 93 22 71 116 225 1131 811 85 78 86 23 71 127 261 56 957 87 80 93 24 68 119 240 20 1017 91 74 467 25 71 116 271 20 1018 78 78 88 26 62 122 278 20 925 75 88 93 27 71 138 297 20 727 81 85 93 28 71 145 297 20 1828 81 85 29 66 138 300 20 --78 41 30 65 159 297 20 --81 31 68 --303 20 --71 -----------------------------------------------------------------------------------TOTAL 2187 3032 5834 13305 21570 47102 2316 0 0 1717 0 0 MEAN 71 101 188 429 770 1519 77 0 0 55 0 0 MAX 116 194 1520 12160 4774 22641 116 0 0 2080 0 0 MIN 49 59 71 20 20 41 0 0 0 0 0 0 AC_FT 4337 6014 11571 26389 42784 93426 4593 0 0 3406 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 97063 MEAN 266 MAX 22641 MIN 0 AC_FT 192521 FCDMC Annual Surface Water Report, Water Year 2017 Page 684 Salt River at Val Vista Drive, ID #4548 Site Data LOCATION Located north of SR202L and west of Val Vista Drive DRAINAGE AREA 12,951 mi2 STREAM TYPE Natural Stream JURISDICTION Mesa, Arizona WATERSHED Lower EMF / Evergreen SECTION/TOWNSHIP/RANGE S29 T2N R6E LATITUDE N 33° 29' 03.3" | +33.48426 LONGITUDE W 111° 45' 44.1" | -111.76225 STREAMGAGE INSTALLATION DATE 04/14/2011 - WY 2011 AVAILABLE PERIOD OF RECORD (POR) 04/14/2011 - Current LENGTH OF AVAILABLE POR DATA 6.47 Years | 2,362 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.40 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,240.00 feet NAVD88 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 21,048 cfs | 10.76 feet | 03/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 685 Watershed Map Salt River at Val Vista Drive - water year peaks Discharge (cfs) 25,000 20,000 15,000 10,000 5,000 0 2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 686 2015 Water Year 2020 WY2017 Events Date of Peak 01/21/2017 02/13/2017 02/19/2017 03/01/2017 03/07/2017 Peak Gage Height 7.25 3.56 4.33 10.76 4.23 Peak Discharge (cfs) 8,400 868 2,213 21,048 2,065 Hydrograph of peak WY 2017 flow event, 03/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 687 Salt River at Val Vista Drive, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 15629 2 7795 3 1184 4 1438 5 1653 6 1239 7 1707 8 1284 9 910 10 532 11 378 12 60 313 13 706 254 14 644 73 15 321 6 16 75 1 17 7 18 1208 19 1992 20 162 21 3319 18 22 798 26 23 1 75 24 102 25 102 26 82 27 34 28 491 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 4117 6104 34394 0 0 0 0 0 0 MEAN 0 0 0 133 218 1109 0 0 0 0 0 0 MAX 0 0 0 8400 2580 21048 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 8167 12107 68220 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 44616 MEAN 122 MAX 21048 MIN 0 AC_FT 88494 FCDMC Annual Surface Water Report, Water Year 2017 Page 688 Salt River at Priest Drive, ID #4523 Site Data LOCATION Located on the Priest Drive Bridge DRAINAGE AREA 13,223 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Tempe, Arizona WATERSHED Lower ACDC / South Mountain SECTION/TOWNSHIP/RANGE S17 T1N R4E LATITUDE N 33° 26' 02.4" | +33.43401 LONGITUDE W 111° 57' 40.7" | -111.96132 STREAMGAGE INSTALLATION DATE 12/07/1993 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 12/07/1993 - Current LENGTH OF AVAILABLE POR DATA 23.82 Years | 8,699 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.60 feet Gage Height ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 2.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 78,850 cfs | 12.57 feet | 02/16/1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 689 Watershed Map Salt River at Priest Drive - water year peaks 90,000 Discharge (cfs) 80,000 70,000 60,000 50,000 40,000 30,000 20,000 10,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 690 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/09/2016 12/22/2016 01/21/2017 01/22/2017 02/15/2017 02/19/2017 03/01/2017 03/04/2017 03/06/2017 03/10/2017 07/24/2017 Peak Gage Height 3.91 3.49 4.44 5.54 4.50 4.98 8.34 5.12 5.37 4.72 4.18 Peak Discharge (cfs) 930 304 2,183 5,983 2,352 3,824 21,922 4,310 5,267 3,011 137 Hydrograph of peak WY 2017 flow event, 03/01/2017 Flood Flow Frequency Flood Flow Frequency Source: Table 2-4 from Study from Modified Roosevelt Dam 2-year 5-year 10-year 20-year 50-year 100-year n/a 20,500 55,000 90,000 140,000 169,000 FCDMC Annual Surface Water Report, Water Year 2017 Page 691 Salt River at Priest Drive, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 3 224 --- 14604 ------2 2 3 309 220 12573 ------3 2 3 625 234 121 3589 ----4 2 3 636 248 260 2286 21 ----5 2 3 640 236 293 2470 25 ------6 2 3 634 239 319 2377 ------7 2 3 643 273 345 1778 ------8 2 3 643 328 377 2218 50 ----9 2 3 249 319 436 2036 82 ------10 2 3 308 482 1629 139 ------11 2 3 316 533 1369 121 ------12 2 3 331 567 1099 103 ------13 2 3 351 705 922 199 ------14 2 3 364 990 831 265 ------15 2 3 356 2203 214 257 ------16 2 3 367 1424 180 ------17 2 3 370 710 90 ------18 2 3 59 243 682 182 ------19 2 3 82 172 3616 208 ------20 2 3 82 181 2479 247 ------21 2 3 64 595 644 191 ------22 2 3 144 3219 376 27 ------23 2 3 95 234 329 ----24 2 3 166 697 6 ----25 2 3 152 830 24 ----26 2 3 161 869 ------27 2 3 153 786 ------28 2 3 169 --686 ------29 3 3 183 ----------30 3 3 191 ----------31 3 --218 -------------------------------------------------------------------------------------------TOTAL 65 90 6303 9727 21758 49995 2413 0 0 6 0 --MEAN 2 3 203 314 821 1613 80 0 0 0 0 --MAX 3 3 930 5983 3824 21922 341 0 0 137 0 --MIN 2 3 0 0 0 0 0 0 0 ------AC_FT 129 179 12501 19294 43156 99164 4786 0 0 11 0 -------------------------------------------------------------------------------WTR YR 2017 TOTAL 90356 MEAN 248 MAX 21922 MIN --- AC_FT 179219 See USGS Water‐Data Report AZ‐16‐1 for official data for this site. FCDMC Annual Surface Water Report, Water Year 2017 Page 692 Salt River at 7th Avenue, ID #4763 Site Data LOCATION Located on the 7th Avenue Bridge DRAINAGE AREA 13,223 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Lower ACDC / South Mountain SECTION/TOWNSHIP/RANGE S19 T1N R3E LATITUDE N 33° 25' 03.1" | +33.41752 LONGITUDE W 112° 04' 57.4" | -112.08262 STREAMGAGE INSTALLATION DATE 01/25/2012 - WY 2012 AVAILABLE PERIOD OF RECORD (POR) 01/25/2012 - Current LENGTH OF AVAILABLE POR DATA DATA 5.68 Years | 2,076 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW Undetermined EXTREME FOR PERIOD OF RECORD 12.27 feet | 12,712 cfs | 03/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 693 Watershed Map Salt River at 7th Avenue - water year peaks 14,000 Discharge (cfs) 12,000 10,000 8,000 6,000 4,000 2,000 0 2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 694 2015 Water Year 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 03/01/2017 12.27 12,712 Hydrograph of peak WY 2017 flow event, 03/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 695 Salt River at 7th Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --6259 2 2052 3 41 5 4 11 1 5 18 6 15 7 --9 8 15 9 9 10 3 11 1 12 --13 --14 --15 --5 16 --1 17 ----18 19 36 20 31 21 3 1 22 1 33 23 --4 24 --25 --26 --27 28 29 ----30 ----31 -----------------------------------------------------------------------------------------TOTAL 0 0 1 41 75 8434 0 0 0 0 6 0 MEAN 0 0 0 1 3 272 0 0 0 0 0 0 MAX 0 0 10 64 45 12712 0 0 0 4 39 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 2 80 148 16728 0 0 0 1 11 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 8556 MEAN 23 MAX 12712 MIN 0 AC_FT 16970 FCDMC Annual Surface Water Report, Water Year 2017 Page 696 Salt River at 51st Avenue, ID #4753 Site Data LOCATION Located at the 51st Avenue crossing of the Salt River DRAINAGE AREA 13,425 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Lower ACDC SECTION/TOWNSHIP/RANGE S29 T1N R2E LATITUDE N 33° 24' 15.7" | +33.40435 LONGITUDE W 112° 10' 07.4" | -112.16871 STREAMGAGE INSTALLATION DATE 04/27/2011 - WY 2011 AVAILABLE PERIOD OF RECORD (POR) 04/27/2011 - Current LENGTH OF AVAILABLE POR DATA DATA 6.43 Years | 2,349 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.60 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,050.00 feet NGVD 1929 POINT OF ZERO FLOW Undetermined EXTREME FOR PERIOD OF RECORD 11,376 cfs | 10.50 feet GH | 03/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 697 Watershed Map Salt River at 51st Avenue - water year peaks 12,000 Discharge (cfs) 10,000 8,000 6,000 4,000 2,000 0 2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 698 2015 Water Year 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 03/01/2017 10.50 11,376 Hydrograph of peak WY 2017 flow event, 03/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 699 Salt River at 51st Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 3231 2 4907 3 1527 4 199 5 301 6 302 7 183 8 295 9 195 10 159 11 121 12 79 13 54 14 50 15 19 16 2 17 18 19 20 2 21 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 2 11625 0 0 0 0 0 0 MEAN 0 0 0 0 0 375 0 0 0 0 0 0 MAX 0 0 0 0 3 11376 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 5 23059 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 11628 MEAN 32 MAX 11376 MIN 0 AC_FT 23063 FCDMC Annual Surface Water Report, Water Year 2017 Page 700 Salt River at 67th Avenue, ID #4758 Site Data LOCATION Located at the 67th Avenue crossing of the Salt River DRAINAGE AREA 13,434 mi2 STREAM TYPE Culvert in Channelized Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Salt SECTION/TOWNSHIP/RANGE S30 T1N R2E LATITUDE N 33° 23' 51.8" | +33.39773 LONGITUDE W 112° 12' 12.6" | -112.20351 STREAMGAGE INSTALLATION DATE 07/14/2008 - WY 2008 AVAILABLE PERIOD OF RECORD (POR) 07/14/2008 - Current LENGTH OF AVAILABLE POR DATA 9.22 Years | 3,366 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.50 feet Gage Height ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD 17,847 cfs | 9.43 feet GH | 01/22/2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 701 Watershed Map Discharge (cfs) Salt River at 67th Avenue - water year peak 20,000 18,000 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 702 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) 03/01/2017 7.96 8,953 Hydrograph of peak WY 2017 flow event Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 703 Salt River at 67th Avenue, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1513 2 2253 3 643 4 470 5 534 6 531 7 446 8 527 9 460 10 407 11 293 12 185 13 147 14 128 15 87 16 1 17 18 19 20 21 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 8626 0 0 0 0 0 0 MEAN 0 0 0 0 0 278 0 0 0 0 0 0 MAX 0 0 0 0 0 8953 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 17109 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 8626 MEAN 24 MAX 8953 MIN 0 AC_FT 17109 FCDMC Annual Surface Water Report, Water Year 2017 Page 704 Sand Tank Wash at I-8, ID #6933 Site Data LOCATION Located in Gila Bend along I-8 DRAINAGE AREA 185 mi2 STREAM TYPE Natural Stream JURISDICTION Gila Bend, Arizona WATERSHED Gila Bend SECTION/TOWNSHIP/RANGE S06 T6S R4W LATITUDE N 32° 55' 59.1" | +32.93310 LONGITUDE W 112° 42' 20.8" | -112.70579 STREAMGAGE INSTALLATION DATE 05/31/2001 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 05/31/2001 - Current LENGTH OF AVAILABLE POR DATA 16.34 Years | 5,967 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.30 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 760.48 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,866 cfs | 4.75 feet | 08/26/2013 FCDMC Annual Surface Water Report, Water Year 2017 Page 705 Watershed Map Discharge (cfs) Sand Tank Wash at I-8 - water year peaks 2,000 1,800 1,600 1,400 1,200 1,000 800 600 400 200 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 706 2010 Water Year 2015 2020 WY2017 Events Date of Peak 10/13/2016 07/16/2017 07/31/2017 08/12/2017 Peak Gage Height (feet) 2.14 2.62 1.81 1.85 Peak Discharge (cfs) 260 490 108 124 Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency Flood Flow Frequency N=18, HEC-WRC computation (based on 18 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 631 1,340 1,900 2,470 3,240 3,830 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 707 Sand Tank Wash at I-8, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 6 16 23 17 18 --19 --20 21 22 23 24 25 26 27 28 29 --30 --31 --------1 -------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 30 0 0 MEAN 0 0 0 0 0 0 0 0 0 1 0 0 MAX 260 0 0 0 0 0 0 0 3 490 124 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 0 0 0 0 0 0 0 0 59 1 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 31 MEAN 0 MAX 490 MIN 0 AC_FT 61 FCDMC Annual Surface Water Report, Water Year 2017 Page 708 Santa Cruz River at SR84, ID #0788 Site Data LOCATION On SR 84 about 5 miles west of Casa Grande DRAINAGE AREA 78.8 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Pinal County, Arizona WATERSHED Santa Cruz SECTION/TOWNSHIP/RANGE S21 T6S R5E LATITUDE N 32° 52' 46.3" | +32.87952 LONGITUDE W 111° 49' 44.2" | -111.82895 STREAMGAGE INSTALLATION DATE 03/16/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 03/16/1994 - Current LENGTH OF AVAILABLE POR DATA 23.55 Years | 8,600 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,346.06 feet NAVD88 POINT OF ZERO FLOW -1.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,736 cfs | 4.38 feet | 08/02/2006 FCDMC Annual Surface Water Report, Water Year 2017 Page 709 Watershed Map Discharge (cfs) Santa Cruz River at SR84 - water year peaks 2,000 1,800 1,600 1,400 1,200 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 710 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/02/2017 07/24/2017 07/25/2017 Peak Gage Height 0.84 0.77 1.19 Peak Discharge (cfs) 30 16 69 Hydrograph of peak WY 2017 flow event, 07/25/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 116 323 551 856 1,400 1,950 FCDMC Annual Surface Water Report, Water Year 2017 Page 711 Santa Cruz River at SR84, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 5 3 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 19 8 20 6 21 --22 ----23 1 24 5 25 5 24 26 5 27 28 29 --30 --31 --2 -------------------------------------------------------------------------------------TOTAL 1 1 13 9 0 0 0 0 0 31 0 16 MEAN 0 0 0 0 0 0 0 0 0 1 0 1 MAX 2 3 10 30 0 0 0 0 0 69 5 16 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 2 2 26 17 0 0 0 0 0 61 1 31 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 71 MEAN 0 MAX 69 MIN 0 AC_FT 141 FCDMC Annual Surface Water Report, Water Year 2017 Page 712 Santa Rosa Wash at SR84 , ID #0798 Site Data LOCATION On SR 84 between Stanfield and Casa Grande DRAINAGE AREA 1,941 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Pinal County, Arizona WATERSHED Santa Rosa SECTION/TOWNSHIP/RANGE S21 T6S R4E LATITUDE N 32° 52' 46.2" | +32.87946 LONGITUDE W 111° 56' 48.3" | -111.94670 STREAMGAGE INSTALLATION DATE 03/16/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 03/16/1994 – 05/09/2017 LENGTH OF AVAILABLE POR DATA 23.15 Years | 8,455 Days DATA GAPS IN POR 05/29/2012 - 10/29/2012 STAGE GAGE ELEVATION 2.10 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,292.42 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD 576 cfs | 0.41 feet | 10/25/2000 and 07/08/1999 NOTE: this station was permanently removed from service on May 9, 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 713 Watershed Map Santa Rosa Wash at SR84 - water year peaks 700 Discharge (cfs) 600 500 400 300 200 100 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 714 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) No runoff recorded Hydrograph of peak WY 2017 flow event, There were no runoff events in water year 2016 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 715 Santa Rosa Wash at SR84, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 716 Sauceda Wash, ID #6923 Site Data LOCATION About 5 miles south of Gila Bend on SR 85 DRAINAGE AREA 126 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Theba SECTION/TOWNSHIP/RANGE S27 T6S R5W LATITUDE N 32° 52' 49.6" | +32.88044 LONGITUDE W 112° 45' 15.4" | -112.75427 STREAMGAGE INSTALLATION DATE 02/28/1990 - WY 1990 AVAILABLE PERIOD OF RECORD (POR) 02/28/1990 - Current LENGTH OF AVAILABLE POR DATA 27.59 Years | 10,077 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.14 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 842.01 feet NAVD 1988 POINT OF ZERO FLOW 1.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 2,698 cfs | 5.70 feet GH | 08/13/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 717 Watershed Map Sauceda Wash - water year peaks 3,000 Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 718 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 07/16/2017 3.59 1,041 Hydrograph of peak WY 2017 flow event, 07/16/2017 Flood Flow Frequency Flood Flow Frequency N=45, HEC-WRC computation (based on 45 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 391 1,180 2,020 3,090 4,910 6,600 NOTE: These results are based on limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 719 Sauceda Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 91 17 18 19 1 20 1 21 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 1 3 92 0 0 MEAN 0 0 0 0 0 0 0 0 0 3 0 0 MAX 0 0 0 0 0 0 0 2 2 1041 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 1 6 182 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 96 MEAN 0 MAX 1041 MIN 0 AC_FT 190 FCDMC Annual Surface Water Report, Water Year 2017 Page 720 Scatter Wash, ID #5543 Site Data LOCATION Located west of 35th Avenue on eastbound Beardsley Road DRAINAGE AREA 12.4 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S27 T4N R2E LATITUDE N 33° 40' 08.2" | +33.66893 LONGITUDE W 112° 08' 29.8" | -112.14160 STREAMGAGE INSTALLATION DATE 09/18/1996 - WY 1996 AVAILABLE PERIOD OF RECORD (POR) 09/18/1996 - Current LENGTH OF AVAILABLE POR DATA 21.03 Years | 7,683 Days DATA GAPS IN POR 07/23/2008 - 11/18/2008 STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,329.78 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,784 cfs | 3.42 feet | 07/25/2007 FCDMC Annual Surface Water Report, Water Year 2017 Page 721 Watershed Map Discharge (cfs) Scatter Wash - water year peaks 2,000 1,800 1,600 1,400 1,200 1,000 800 600 400 200 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 722 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 11/03/2016 11/20/2017 11/27/2016 12/22/2016 12/31/2016 01/01/2017 01/20/2017 01/23/2017 02/19/2017 02/28/2017 Peak Gage Height (feet) 0.97 0.97 1.07 1.42 1.22 1.22 1.17 1.10 1.25 1.17 Peak Discharge (cfs) 19 19 20 27 23 23 22 21 23 22 Hydrograph of peak WY 2017 flow event, 12/22/2016 Flood Flow Frequency Flood Flow Frequency N=21, HEC-WRC computation (based on 21 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 462 1,030 1,490 1,950 2,580 3,050 NOTE(1): These results are based on very limited data. Flood Flow Frequency 1995 Flood Insurance Study 2-year 5-year 10-year 20-year 50-year 100-year 220 590 1,320 3,500 6,100 FCDMC Annual Surface Water Report, Water Year 2017 Page 723 Scatter Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 20 15 2 17 11 3 5 13 3 1 4 5 5 1 5 6 3 7 8 1 9 1 10 1 11 --12 13 14 1 15 1 16 17 18 12 19 21 20 6 9 14 21 16 2 17 6 22 5 21 8 3 23 18 9 4 1 24 18 18 3 1 25 17 8 3 26 10 3 27 5 3 8 28 14 3 18 29 5 --30 4 --31 --19 ---------------------------------------------------------------------------------------TOTAL 0 59 113 123 96 29 12 0 0 0 2 0 MEAN 0 2 4 4 3 1 0 0 0 0 0 0 MAX 0 20 27 23 23 17 6 0 0 7 8 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 117 224 244 191 57 25 0 0 1 4 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 435 MEAN 1 MAX 27 MIN 0 AC_FT 862 FCDMC Annual Surface Water Report, Water Year 2017 Page 724 Seven Springs Wash, ID #4963 Site Data LOCATION On Seven Springs Road near Forest Road 254 DRAINAGE AREA 7.9 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S09 T7N R5E LATITUDE N 33° 57' 37.3" | +33.96035 LONGITUDE W 111° 50' 37.0" | -111.84361 STREAMGAGE INSTALLATION DATE 03/12/2002 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 03/12/2002 - Current LENGTH OF AVAILABLE POR DATA 15.56 Years | 5,682 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.10 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 3,481.32 feet NAVD 1988 POINT OF ZERO FLOW -0.5 feet Gage Height EXTREME FOR PERIOD OF RECORD 11,700 cfs | 10.68 feet | 09/03/2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 725 Watershed Map Seven Springs Wash - water year peaks 14,000 Discharge (cfs) 12,000 10,000 8,000 6,000 4,000 2,000 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 726 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/26/2016 01/01/2017 01/20/2017 02/19/2017 02/28/2017 08/01/2017 08/14/2017 Peak Gage Height (feet) 2.50 2.00 3.89 2.42 3.82 1.70 1.75 Peak Discharge (cfs) 149 76 409 136 392 42 47 Hydrograph of peak WY 2017 flow event, 01/20/2017 Flood Flow Frequency Flood Flow Frequency N=16, HEC-WRC computation (based on 16 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 271 1,580 3,910 8,160 18,500 31,800 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 727 Seven Springs Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 15 16 17 18 19 39 20 52 21 67 22 23 24 25 26 12 27 10 28 97 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 12 129 146 0 0 0 0 0 2 0 MEAN 0 0 0 4 5 0 0 0 0 0 0 0 MAX 0 0 149 409 392 0 0 0 0 0 47 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 24 256 290 0 0 0 0 0 3 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 289 MEAN 1 MAX 409 MIN 0 AC_FT 574 FCDMC Annual Surface Water Report, Water Year 2017 Page 728 Signal Butte FRS, ID #6628 Site Data LOCATION Located north of Brown Road between Meridian and Signal Butte Roads DRAINAGE AREA 16.4 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Mesa, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S12 T1N R7E LATITUDE N 33° 26' 24.2" | +33.44005 LONGITUDE W 111° 35' 25.1" | -111.59031 STREAMGAGE INSTALLATION DATE 11/10/1987 - WY 1988 AVAILABLE PERIOD OF RECORD (POR) 11/10/1987 - Current LENGTH OF AVAILABLE POR DATA 29.89 Years | 10,918 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -0.25 feet Gage Height STAFF GAGES 8 ZERO GAGE HEIGHT ELEVATION 1,687.39 feet NAVD 1988 POINT OF ZERO FLOW (GATED OUTLET) 0.0 feet Gage Height POINT OF ZERO FLOW (UNGATED OUTLET) 15.4 feet Gage Height SPILLWAY ELEVATION 26.9 feet Gage Height TOP OF DAM ELEVATION 37.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 729 Watershed Map Signal Butte FRS - water year peaks Volume (acre-feet) 350 300 250 200 150 100 50 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 730 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 01/20/2017 07/25/2017 09/09/2017 Peak Gage Height (feet) 2.74 9.15 3.13 Peak Volume (ac-ft) 6.0 127.0 9.0 Percent Spillway Capacity 0.4 7.7 0.5 Hydrograph of peak WY 2017 impoundment event, 07/25/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 731 Signal Butte FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 732 Signal Butte FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 38 2 34 3 30 4 26 5 24 6 22 7 20 8 17 1 9 15 8 10 15 6 11 13 4 12 13 4 13 12 3 14 10 15 9 16 8 17 6 18 4 19 4 20 1 4 21 4 1 1 22 3 9 23 1 8 24 72 25 120 26 101 27 83 28 70 29 --60 30 --52 31 --------44 -------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 20 10 1 MAX 0 0 0 6 0 0 0 0 0 127 40 9 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 3 MAX 127 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 733 Signal Butte FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 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 5.6 -0.2 2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 5.3 -0.2 3 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 5.0 -0.2 4 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 4.7 -0.2 5 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 4.5 -0.2 6 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 4.4 -0.2 7 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 4.2 -0.2 8 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 4.0 0.2 9 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.8 3.0 10 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.7 2.8 11 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.6 2.6 12 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.5 2.4 13 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.4 2.2 14 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.3 0.1 15 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.2 -0.2 16 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 3.0 -0.2 17 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 2.7 -0.2 18 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 2.5 -0.2 19 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 2.5 -0.2 20 -0.2 -0.2 -0.2 0.0 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 2.4 -0.2 21 -0.2 -0.2 -0.2 2.5 -0.2 -0.2 -0.2 -0.2 -0.2 0.3 0.7 -0.2 22 -0.2 -0.2 -0.2 2.3 -0.2 -0.2 -0.2 -0.2 -0.2 3.2 -0.1 -0.2 23 -0.2 -0.2 -0.2 0.7 -0.2 -0.2 -0.2 -0.2 -0.2 3.0 -0.1 -0.2 24 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 6.7 -0.2 -0.2 25 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 8.9 -0.2 -0.2 26 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 8.4 -0.2 -0.2 27 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 7.7 -0.2 -0.2 28 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 7.2 -0.2 -0.2 29 -0.2 -0.2 -0.2 -0.2 --- -0.2 -0.2 -0.2 -0.2 6.7 -0.2 -0.2 30 -0.2 -0.2 -0.2 -0.2 --- -0.2 -0.2 -0.2 -0.2 6.3 -0.2 -0.2 31 -0.2 --- -0.2 -0.2 --- -0.2 --- -0.2 --5.9 -0.2 -------------------------------------------------------------------------------MEAN -0.2 -0.2 -0.2 -0.0 -0.2 -0.2 -0.2 -0.2 -0.2 1.9 2.4 0.3 MAX -0.2 -0.2 -0.2 2.7 -0.2 -0.2 -0.2 -0.2 -0.2 9.2 5.7 3.1 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 2017 MEAN 0.22 MAX 9.15 MIN -0.25 FCDMC Annual Surface Water Report, Water Year 2017 Page 734 Siphon Draw Wash at Signal Butte Road, ID #37607 Site Data LOCATION Located north of Elliot Road on Signal Butte Road DRAINAGE AREA 2.37 mi2 STREAM TYPE Natural Stream at a Culvert JURISDICTION Mesa, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S12 T1S R7E LATITUDE N 33° 21' 06.1" | +33.35169 LONGITUDE W 111° 36' 03.2" | -111.60090 STREAMGAGE INSTALLATION DATE 12/22/2016 - WY 2017 AVAILABLE PERIOD OF RECORD (POR) 12/22/2016 - Current LENGTH OF AVAILABLE POR DATA 0.77 Years | 283 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.65 feet Gage Height STAFF GAGES None CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,460.50 feet NAVD88 POINT OF ZERO FLOW 0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 312 cfs | 4.46 feet Gage Height | 07/24/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 735 Watershed Map Siphon Draw Wash - water year peaks 400 Discharge (cfs) 350 300 250 200 150 100 50 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 736 2020 Water Year 2025 WY2017 Events Date of Peak 01/21/2017 07/24/2017 Peak Gage Height 0.99 4.46 Peak Discharge (cfs) 19 312 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 737 Siphon Draw Wash at Signal Butte Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 ------5 22 ----23 ----24 ----131 25 ----11 26 ----27 ----28 ----29 ------30 ------31 -----------------------------------------------------------------------------------------TOTAL ----0 5 0 0 0 0 0 142 0 0 MEAN ----0 0 0 0 0 0 0 5 0 0 MAX ----0 19 0 0 0 0 0 312 0 0 MIN ----0 0 0 0 0 0 0 0 0 0 AC_FT ----0 10 0 0 0 0 0 282 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 147 MEAN 0 MAX 312 MIN 0 AC_FT 292 FCDMC Annual Surface Water Report, Water Year 2017 Page 738 Skunk Creek near New River, ID #5588 Site Data LOCATION Located south of the Fig Spring Road crossing of Skunk Creek DRAINAGE AREA 4 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S29 T7N R3E LATITUDE N 33° 55' 34.3" | +33.92619 LONGITUDE W 112° 04' 57.7" | -112.08268 STREAMGAGE INSTALLATION DATE 06/21/1995 - WY 1995 AVAILABLE PERIOD OF RECORD (POR) 06/21/1995 - Current LENGTH OF AVAILABLE POR DATA 22.28 Years | 8,138 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.14 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,188.04 feet NAVD 1988 POINT OF ZERO FLOW 0.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 2,000 cfs | 4.29 feet | 01/21/2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 739 Watershed Map Skunk Creek near New River - water year peaks Discharge (cfs) 2,500 2,000 1,500 1,000 500 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 740 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 02/28/2017 Peak Gage Height (feet) 2.05 1.45 1.40 Peak Discharge (cfs) 283 78 58 Hydrograph of peak WY 2017 flow event, 12/22/2016 Flood Flow Frequency Flood Flow Frequency N=23, HEC-WRC computation (based on 23 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 207 716 1,270 1,970 3,090 4,090 50-year 100-year 2,500 3,650 NOTE(1): These results are based on very limited data. Flood Flow Frequency FEMA 2-year 5-year 10-year 1,730 FCDMC Annual Surface Water Report, Water Year 2017 Page 741 20-year Skunk Creek near New River, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 4 23 24 25 26 27 28 3 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 4 1 3 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 283 78 58 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 9 3 5 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 9 MEAN 0 MAX 283 MIN 0 AC_FT 17 FCDMC Annual Surface Water Report, Water Year 2017 Page 742 Skunk Creek at Desert Hills Drive, ID #64807 Site Data LOCATION Located at approximately 15th Avenue and Desert Hills Drive DRAINAGE AREA 40.8 mi2 STREAM TYPE Natural Stream JURISDICTION Anthem, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S19 T6N R3E LATITUDE N 33° 50' 34.2" | +33.84283 LONGITUDE W 112° 05' 31.9" | -112.09221 STREAMGAGE INSTALLATION DATE 07/23/2015 - WY 2015 AVAILABLE PERIOD OF RECORD (POR) 07/23/2015 - Current LENGTH OF AVAILABLE POR DATA 2.19 Years | 801 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.02 feet Gage Height STAFF GAGES None CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,593 cfs | 3.88 feet GH | 10/20/2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 743 Watershed Map Skunk Creek at Desert Hills Drive - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 744 2020 Water Year 2025 WY2017 Events Date of Peak 12/22/2016 01/01/2017 02/28/2017 08/03/2017 Peak Gage Height 2.36 2.49 1.99 1.29 Peak Discharge (cfs) 406 476 241 14 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 745 Skunk Creek at Desert Hills Drive, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 18 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 21 5 22 26 23 24 25 26 27 28 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 26 25 28 0 0 0 0 0 0 0 MEAN 0 0 1 1 1 0 0 0 0 0 0 0 MAX 0 0 406 476 241 0 0 0 0 0 14 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 52 49 55 0 0 0 0 0 1 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 79 MEAN 0 MAX 476 MIN 0 AC_FT 157 FCDMC Annual Surface Water Report, Water Year 2017 Page 746 Skunk Creek at Carefree Highway, ID #65707 Site Data LOCATION Located on the westbound Carefree Highway bridge about 1/4 mile east of I-17 DRAINAGE AREA 48.8 mi2 STREAM TYPE Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S02 T5N R2E LATITUDE N 33° 47' 54.6" | +33.79849 LONGITUDE W 112° 07' 23.1" | -112.12309 STREAMGAGE INSTALLATION DATE 08/19/2015 - WY 2015 AVAILABLE PERIOD OF RECORD (POR) 08/19/2015 - Current LENGTH OF AVAILABLE POR DATA 2.12 Years | 774 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.49 feet Gage Height STAFF GAGES None CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,672.86 feet NAVD88 POINT OF ZERO FLOW 0.2 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,803 cfs | 4.17 feet GH | 01/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 747 Watershed Map Skunk Creek at Carefree Highway - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 748 2020 Water Year 2025 WY2017 Events Date of Peak 12/22/2016 12/24/2016 01/01/2017 01/21/2017 02/28/2017 07/31/2017 08/03/2017 Peak Gage Height 3.77 2.38 4.17 3.20 3.70 2.43 2.33 Peak Discharge (cfs) 1,246 310 1,803 728 1,164 326 292 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 749 Skunk Creek at Carefree Highway, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 287 11 6 2 8 3 15 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 16 21 268 22 250 23 1 24 60 25 50 26 27 28 337 29 --30 --31 --------28 -------------------------------------------------------------------------------TOTAL 0 0 361 579 337 11 0 0 0 28 21 0 MEAN 0 0 12 19 12 0 0 0 0 1 1 0 MAX 0 0 1246 1803 1164 109 0 0 0 326 292 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 716 1149 669 23 0 0 0 56 42 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1338 MEAN 4 MAX 1803 MIN 0 AC_FT 2654 NOTE: Gage failed to record the event of October 20, 2015, which was the largest of the water year. FCDMC Annual Surface Water Report, Water Year 2017 Page 750 Skunk Creek at Dixileta Drive, ID #64907 Site Data LOCATION Located on Dixileta Drive about 1/4 mile east of I-17 DRAINAGE AREA 50 mi2 STREAM TYPE Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S23 T5N R2E LATITUDE N 33° 45' 24.3" | +33.75676 LONGITUDE W 112° 07' 20.0" | -112.12222 STREAMGAGE INSTALLATION DATE 01/11/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 01/11/2016 - Current LENGTH OF AVAILABLE POR DATA 1.72 Years | 629 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 2.20 feet Gage Height STAFF GAGES None CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,543.52 feet NAVD88 POINT OF ZERO FLOW 1.2 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,585 cfs | 4.25 feet GH | 01/01/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 751 Watershed Map Discharge (cfs) Skunk Creek at Dixileta Drive - water year peaks 2,000 1,800 1,600 1,400 1,200 1,000 800 600 400 200 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 752 2020 Water Year 2025 WY2017 Events Date of Peak 12/22/2016 01/01/2017 02/28/2017 Peak Gage Height 3.55 4.25 3.08 Peak Discharge (cfs) 1,200 1,585 1,000 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 753 Skunk Creek at Dixileta Drive, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 115 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 89 23 24 25 26 27 28 119 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 89 115 119 0 0 0 0 0 0 0 MEAN 0 0 3 4 4 0 0 0 0 0 0 0 MAX 0 0 1215 1585 1000 0 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 177 228 236 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 323 MEAN 1 MAX 1585 MIN 0 AC_FT 641 FCDMC Annual Surface Water Report, Water Year 2017 Page 754 Skunk Creek at I-17, ID #5568 Site Data LOCATION Located south of Jomax Road on I-17 DRAINAGE AREA 64.7 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S35 T5N R2E LATITUDE N 33° 43' 48.3" | +33.73007 LONGITUDE W 112° 07' 11.1" | -112.11976 STREAMGAGE INSTALLATION DATE 10/26/1989 - WY 1990 AVAILABLE PERIOD OF RECORD (POR) 08/11/1990 - Current LENGTH OF AVAILABLE POR DATA 27.14 Years | 9,913 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.23 feet Gage Height STAFF GAGES 2 CREST STAGE GAGES 4 ZERO GAGE HEIGHT ELEVATION 1,471.50 feet M.S.L. POINT OF ZERO FLOW 1.0 feet gage height EXTREME FOR PERIOD OF RECORD 13,900 cfs | 6.80 feet | 08/19/2014 EXTREME OUTSIDE PERIOD OF RECORD 11,500 cfs | 10.48 feet | 08/01/1964 FCDMC Annual Surface Water Report, Water Year 2017 Page 755 Watershed Map Skunk Creek at I-17 - water year peaks 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 756 2005 2010 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/21/2017 02/28/2017 Peak Gage Height (feet) 2.33 2.63 1.71 2.43 Peak Discharge (cfs) 911 1,318 233 1,035 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency Flood Flow Frequency N=58, HEC-WRC computation (based on 58 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 880 3,680 7,050 11,500 19,100 25,900 NOTE(1): These results are based on available data. FCDMC Annual Surface Water Report, Water Year 2017 Page 757 Skunk Creek at I-17, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 170 32 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 20 22 144 23 24 25 26 27 28 202 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 144 189 202 32 0 0 0 0 0 0 MEAN 0 0 5 6 7 1 0 0 0 0 0 0 MAX 0 0 911 1318 1035 133 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 285 375 400 63 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 566 MEAN 2 MAX 1318 MIN 0 AC_FT 1123 FCDMC Annual Surface Water Report, Water Year 2017 Page 758 Skunk Tank Wash, ID #4888 Site Data LOCATION Located on 7th Avenue about 1/4 mile south of Desert Hills Drive DRAINAGE AREA 1.5 mi2 STREAM TYPE Culvert on natural stream JURISDICTION Maricopa County, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S29 T6N R3E LATITUDE N 33° 50' 23.8" | +33.83995 LONGITUDE W 112° 04' 57.8" | -112.08271 STREAMGAGE INSTALLATION DATE 03/02/2006 - WY 2006 AVAILABLE PERIOD OF RECORD (POR) 03/02/2006 - Current LENGTH OF AVAILABLE POR DATA 11.58 Years | 4,231 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.50 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 277 cfs | 7.20 feet | 08/19/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 759 Watershed Map Skunk Tank Wash - water year peaks 300 Discharge (cfs) 250 200 150 100 50 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 760 2020 WY2017 Events Date of Peak 12/22/2016 12/22/2016 01/01/2017 01/20/2017 01/21/2017 07/31/2017 Peak Gage Height (feet) 1.42 4.70 4.84 1.81 2.84 4.40 Peak Discharge (cfs) 21 136 144 32 63 122 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency Flood Flow Frequency N=12, HEC-WRC computation (based on 12 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 63 297 616 1,080 1,940 2,790 FCDMC Annual Surface Water Report, Water Year 2017 Page 761 Skunk Tank Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 4 2 3 4 5 6 7 8 9 10 11 12 13 2 14 15 16 17 18 19 20 1 21 1 22 4 23 24 25 26 27 28 29 --30 --31 --------1 -------------------------------------------------------------------------------TOTAL 2 0 4 6 0 0 0 0 0 1 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 53 0 178 104 0 0 0 0 0 42 3 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 4 0 8 13 0 0 0 0 0 3 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 14 MEAN 0 MAX 178 MIN 0 AC_FT 28 FCDMC Annual Surface Water Report, Water Year 2017 Page 762 Sols Wash at SR71, ID #5276 Site Data LOCATION Located 1/2 mile west of US93 on SR71 DRAINAGE AREA 0.89 mi2 STREAM TYPE Natural Stream JURISDICTION Yavapai County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S14 T9N R7W LATITUDE N 34° 07' 06.7" | +34.11853 LONGITUDE W 112° 57' 45.8" | -112.96272 STREAMGAGE INSTALLATION DATE 09/12/2001 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 09/12/2001 - Current LENGTH OF AVAILABLE POR DATA 16.05 Years | 5,863 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.30 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 2,735.91 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 466 cfs | 2.20 feet | 09/10/2013 FCDMC Annual Surface Water Report, Water Year 2017 Page 763 Watershed Map Discharge (cfs) Sols Wash at SR71 - water year peaks 500 450 400 350 300 250 200 150 100 50 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 764 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event No runoff recorded at this gage in Water Year 2017. Flood Flow Frequency Flood Flow Frequency N=16, HEC-WRC computation (based on 16 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 166 285 374 465 591 691 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 765 Sols Wash at SR71, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 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 2017 TOTAL 0 MEAN 0 MAX 1 MIN 0 AC_FT 1 FCDMC Annual Surface Water Report, Water Year 2017 Page 766 Sols Tributary at US93, ID #7028 Site Data LOCATION Located west of US93 near mile post 191 DRAINAGE AREA 0.15 mi2 STREAM TYPE Natural Stream JURISDICTION Yavapai County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S11 T8N R6W LATITUDE N 34° 03' 06.8" | +34.05187 LONGITUDE W 112° 51' 01.1" | -112.85030 STREAMGAGE INSTALLATION DATE 01/30/2002 - WY 2002 AVAILABLE PERIOD OF RECORD (POR) 01/30/2002 - Current LENGTH OF AVAILABLE POR DATA 15.67 Years | 5,723 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.07 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,580.00 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 967 cfs | 3.40 feet | 07/25/2007 FCDMC Annual Surface Water Report, Water Year 2017 Page 767 Watershed Map Sols Wash Tributary at US93 - water year peaks 1,200 Discharge (cfs) 1,000 800 600 400 200 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 768 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event There was no runoff recorded by this gage in Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 769 Sols Tributary near US93, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 770 Sols Wash near Matthie, ID #7043 Site Data LOCATION Located along the railroad about 1 mile west of Vulture Mine Road DRAINAGE AREA 121 mi2 STREAM TYPE Natural Stream JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S32 T8N R5W LATITUDE N 33° 59' 14.8" | +33.98743 LONGITUDE W 112° 47' 34.7" | -112.79296 STREAMGAGE INSTALLATION DATE 08/04/1995 - WY 1995 AVAILABLE PERIOD OF RECORD (POR) 08/04/1995 - Current LENGTH OF AVAILABLE POR DATA 22.16 Years | 8,094 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.36 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,230.64 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 10,792 cfs | 5.15 feet | 10/21/2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 771 Watershed Map Sols Wash near Matthie - water year peaks 12,000 Discharge (cfs) 10,000 8,000 6,000 4,000 2,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 772 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 07/15/2017 07/18/2017 07/18/2017 08/10/2017 Peak Gage Height (feet) 1.12 3.65 0.83 1.13 Peak Discharge (cfs) 254 3,326 197 256 Hydrograph of peak WY 2017 flow event, 07/18/2017 Flood Flow Frequency Flood Flow Frequency N=23, HEC-WRC computation (based on 23 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 715 2,430 4,700 8,190 15,500 32,500 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 773 Sols Wash near Matthie, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 8 11 12 13 14 15 30 16 6 17 18 88 19 20 21 --22 ----23 --24 --25 26 27 28 29 ----30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 124 8 0 MEAN 0 0 0 0 0 0 0 0 0 4 0 0 MAX 0 0 0 0 0 0 0 0 0 3326 256 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 246 17 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 133 MEAN 0 MAX 3326 MIN 0 AC_FT 263 FCDMC Annual Surface Water Report, Water Year 2017 Page 774 Sonoqui Wash near Hawes Road, ID #36307 Site Data LOCATION Located near Hawes and Riggs Roads DRAINAGE AREA 15.0 mi2 STREAM TYPE Channelized Natural Stream JURISDICTION Queen Creek, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S29 T2S R7E LATITUDE N 33° 13' 26.5" | +33.22402 LONGITUDE W 111° 39' 11.8" | -111.65327 STREAMGAGE INSTALLATION DATE 12/21/2016 - WY 2017 AVAILABLE PERIOD OF RECORD (POR) 12/21/2016 - Current LENGTH OF AVAILABLE POR DATA 0.78 Years | 284 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.40 feet Gage Height STAFF GAGES None CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,373.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,064 cfs | 5.29 feet Gage Height | 07/24/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 775 Watershed Map Sonoqui Wash near Hawes Road - water year peaks 1,200 Discharge (cfs) 1,000 800 600 400 200 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 776 2020 Water Year 2025 WY2017 Events Date of Peak 07/23/2017 07/24/2017 08/03/2017 Peak Gage Height 4.27 5.29 3.59 Peak Discharge (cfs) 642 1,064 420 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 777 Siphon Draw Wash at Signal Butte Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ------2 ------3 ------21 4 ------5 ------6 ------7 ------8 ------9 ------10 ------11 ------12 ------13 ------14 ------15 ------16 ------17 ------18 ------19 ------20 ------21 ----22 ----23 ----44 24 ----89 25 ----26 ----27 ----28 ----29 ------30 ------31 -----------------------------------------------------------------------------------------TOTAL ----0 0 0 0 0 0 0 133 21 0 MEAN ----0 0 0 0 0 0 0 4 1 0 MAX ----0 0 0 0 0 0 0 1064 420 0 MIN ----0 0 0 0 0 0 0 0 0 0 AC_FT ----0 0 0 0 0 0 0 265 42 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 154 MEAN 0 MAX 1064 MIN 0 AC_FT 306 FCDMC Annual Surface Water Report, Water Year 2017 Page 778 Sonoran Wash, ID #65907 Site Data LOCATION Located southeast of Paloma Pkwy and Sonoran Desert Drive DRAINAGE AREA 7.81 mi2 STREAM TYPE Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Skunk Creek SECTION/TOWNSHIP/RANGE S19 T5N R3E LATITUDE N 33° 46' 09.3" | +33.76925 LONGITUDE W 112° 05' 55.6" | -112.09878 STREAMGAGE INSTALLATION DATE 10/13/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 10/13/2015 - Current LENGTH OF AVAILABLE POR DATA 1.97 Years | 719 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.34 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.3 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,192 cfs | 4.30 feet GH | 12/22/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 779 Watershed Map Sonoran Wash - water year peaks 1,400 Discharge (cfs) 1,200 1,000 800 600 400 200 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 780 2020 Water Year 2025 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/20/2017 02/28/2017 08/03/2017 Peak Gage Height 4.30 3.38 1.23 2.95 2.46 Peak Discharge (cfs) 1,192 727 60 546 366 Hydrograph of peak WY 2017 flow event, 12/22/2016 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 781 Sonoran Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 39 2 3 8 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 7 21 1 22 47 23 24 5 25 26 27 28 76 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 51 48 76 0 0 0 0 0 8 0 MEAN 0 0 2 2 3 0 0 0 0 0 0 0 MAX 0 0 1192 727 546 0 0 0 0 0 366 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 102 94 151 0 0 0 0 0 15 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 183 MEAN 1 MAX 1192 MIN 0 AC_FT 362 FCDMC Annual Surface Water Report, Water Year 2017 Page 782 South Mountain Fan, ID #6563 Site Data LOCATION Located in the western part of South Mountain Park DRAINAGE AREA 2.1 mi2 STREAM TYPE Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Middle Gila SECTION/TOWNSHIP/RANGE S26 T1S R2E LATITUDE N 33° 18' 54.7" | +33.31518 LONGITUDE W 112° 08' 01.3" | -112.13369 STREAMGAGE INSTALLATION DATE 06/09/1993 - WY 1993 AVAILABLE PERIOD OF RECORD (POR) 06/09/1993 - Current LENGTH OF AVAILABLE POR DATA 24.31 Years | 8,880 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.05 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,276.74 feet M.S.L. POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,586 cfs | 3.85 feet | 08/12/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 783 Watershed Map South Mountain Fan - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 784 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 07/24/2017 2.01 129 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency HEC-1 Analysis 2-year 5-year 10-year 20-year 50-year 100-year 300 650 990 1,500 2,000 2,400 FCDMC Annual Surface Water Report, Water Year 2017 Page 785 South Mountain Fan, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 3 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 3 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 0 0 0 0 0 129 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 7 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 3 MEAN 0 MAX 129 MIN 0 AC_FT 7 FCDMC Annual Surface Water Report, Water Year 2017 Page 786 Spookhill FRS, ID #4563 Site Data LOCATION Located near Loop 202 and Power Road DRAINAGE AREA 13.6 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Mesa, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S31 T2N R7E LATITUDE N 33° 28' 23.0" | +33.47305 LONGITUDE W 111° 40' 52.7" | -111.68131 STREAMGAGE INSTALLATION DATE 03/13/1984 - WY 1984 AVAILABLE POR 12/30/1987 - Current LENGTH OF AVAILABLE POR DATA 29.75 Years | 10,868 Days DATA GAPS IN POR 05/02/2008 - 06/22/2008 STAGE GAGE ELEVATION 0.28 Feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,568.10 Feet NAVD 1988 NORMAL DRAWDOWN RATE -0.12 feet per hour PZF (CONTROLLED OUTLET) 0.0 Feet Gage Height PZF (UNCONTROLLED OUTLET) 9.4 Feet Gage Height MINIMUM LEVEL POOL ELEVATION 3.7 feet at Brown Rd, 2.2 feet at McKellips Rd, 1.0 feet at McDowell Rd MINIMUM FREEWAY LEVEE ELEVATION 14.0 feet Gage Height SPILLWAY ELEVATION 15.8 feet Gage Height TOP OF DAM ELEVATION 25.3 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 787 Watershed Map Spookhill FRS - water year peaks Volume (acre-feet) 250 200 150 100 50 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 788 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/25/2016 01/01/2017 01/21/2017 02/19/2017 03/01/2017 07/18/2017 07/21/2017 07/24/2017 08/04/2017 Peak Gage Height (feet) 1.78 2.35 2.85 2.30 1.85 1.53 2.85 5.74 3.27 Peak Volume (ac-ft) 0.6 3.1 8.6 2.8 0.8 0.2 8.6 102.8 15.0 Percent Spillway Capacity 0.1 0.1 0.2 0.1 0.1 0.1 0.2 3.0 0.3 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 789 Spookhill FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 4 4 20 5 25 4 4 2 4 4 29 5 25 4 4 3 4 4 21 4 23 4 4 3 4 4 4 12 4 22 4 4 30 5 4 4 6 4 21 4 4 29 6 4 4 5 4 13 4 4 26 7 4 4 4 5 4 4 4 8 8 4 4 4 5 4 4 4 9 4 4 4 5 4 4 4 10 4 4 4 5 4 4 4 11 4 4 5 4 4 4 4 --12 4 4 5 4 4 4 4 --13 4 4 4 5 4 4 4 --14 4 4 4 5 4 4 4 --15 4 4 4 4 4 4 4 16 4 4 5 5 4 4 4 17 4 4 4 4 4 4 4 7 18 4 4 5 5 4 4 4 22 19 4 4 4 19 4 4 4 22 20 4 4 6 28 4 4 4 9 21 4 4 32 15 4 4 4 32 22 4 --4 31 8 4 4 4 30 23 4 --4 25 5 4 4 4 31 24 4 --7 15 4 4 4 4 45 25 4 --24 20 4 4 4 4 44 26 4 --23 13 4 4 4 4 41 27 4 --10 5 4 4 4 4 36 28 4 4 5 11 4 4 4 33 29 1 2 4 5 --4 4 1 31 30 4 4 5 --4 4 28 31 --4 5 --4 ----10 -------------------------------------------------------------------------------TOTAL 112 6 173 315 186 231 120 113 0 420 96 0 MEAN 4 0 6 10 7 7 4 4 0 14 3 0 MAX 4 4 25 32 29 26 4 4 0 46 35 0 MIN 0 0 4 4 4 4 4 0 0 0 0 0 AC_FT 223 12 343 625 370 458 238 224 0 833 191 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1773 MEAN 5 MAX 46 MIN 0 AC_FT 3517 FCDMC Annual Surface Water Report, Water Year 2017 Page 790 Spookhill FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 1 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 2 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 6 2 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 6 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 791 Spookhill FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.3 0.3 0.3 1.6 0.3 1.8 0.3 0.3 0.3 0.3 0.4 0.3 2 0.3 0.3 0.3 2.3 0.3 1.7 0.3 0.3 0.3 0.3 0.3 0.3 3 0.3 0.3 0.3 1.4 0.3 1.6 0.3 0.3 0.3 0.3 0.6 0.3 4 0.3 0.3 0.3 0.8 0.3 1.4 0.3 0.3 0.3 0.3 2.5 0.3 5 0.3 0.3 0.3 0.4 0.3 1.3 0.3 0.3 0.3 0.3 2.2 0.3 6 0.3 0.3 0.3 0.4 0.3 0.8 0.3 0.3 0.3 0.3 1.9 0.3 7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.8 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 0.4 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 0.4 0.3 0.3 0.3 0.3 0.3 0.3 --0.3 13 0.3 0.3 0.3 0.3 0.4 0.3 0.3 0.3 0.3 0.3 --0.3 14 0.3 0.3 0.3 0.3 0.4 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 0.6 0.3 0.3 18 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 1.3 0.3 0.3 19 0.3 0.3 0.3 0.3 1.4 0.3 0.3 0.3 0.3 1.4 0.3 0.3 20 0.3 0.3 0.3 0.4 2.2 0.3 0.3 0.3 0.3 0.9 0.3 0.3 21 0.3 0.3 0.3 2.7 1.1 0.3 0.3 0.3 0.3 2.7 0.3 0.3 22 0.3 --0.3 2.6 0.5 0.3 0.3 0.3 0.3 2.5 0.3 0.3 23 0.3 --0.3 1.9 0.4 0.3 0.3 0.3 0.3 2.7 0.3 0.3 24 0.3 --0.5 0.9 0.3 0.3 0.3 0.3 0.3 5.4 0.3 0.3 25 0.3 --1.7 1.2 0.3 0.3 0.3 0.3 0.3 5.2 0.3 0.3 26 0.3 --1.5 0.8 0.3 0.3 0.3 0.3 0.3 4.5 0.3 0.3 27 0.3 --0.7 0.3 0.3 0.3 0.3 0.3 0.3 3.5 0.3 0.3 28 0.3 0.3 0.3 0.3 0.7 0.3 0.3 0.3 0.3 2.9 0.3 0.3 29 0.3 0.3 0.3 0.3 --0.3 0.3 0.3 0.3 2.5 0.3 0.3 30 0.3 0.3 0.3 0.4 --0.3 0.3 0.3 0.3 2.2 0.3 0.3 31 0.3 --0.3 0.3 --0.3 --0.3 --1.0 0.3 -------------------------------------------------------------------------------MEAN 0.3 0.3 0.4 0.8 0.5 0.5 0.3 0.3 0.3 1.4 0.5 0.3 MAX 0.3 0.3 1.8 2.9 2.3 1.9 0.3 0.3 0.3 5.7 3.3 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 2017 MEAN 0.48 MAX 5.74 MIN 0.28 FCDMC Annual Surface Water Report, Water Year 2017 Page 792 Spookhill FRS at McDowell Road, ID #6637 Site Data LOCATION Located at McDowell Road and the Loop 202 DRAINAGE AREA 13.6 mi2 at outlet gage STREAM TYPE Engineered Channel / Levee / Dam JURISDICTION Mesa, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S06 T1N R7E LATITUDE N 33° 27' 57.4" | +33.46594 LONGITUDE W 111° 40' 42.0" | -111.67834 STREAMGAGE INSTALLATION DATE 06/19/2008 - WY 2008 AVAILABLE PERIOD OF RECORD (POR) 06/19/2008 - Current LENGTH OF AVAILABLE POR DATA 9.28 Years | 3,391 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES None ZERO GAGE HEIGHT ELEVATION 1,569.50 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height DAM ELEVATIONS AS RELATED TO GAGE HEIGHT AT THIS SITE PRINCIPAL OUTLET ELEVATION -1.40 feet Gage Height UNGATED PRINICPAL OUTLET INLET ELEV 8.00 feet Gage Height MINIMUM FREEWAY LEVEE ELEVATION 12.60 feet Gage Height SPILLWAY ELEVATION 14.40 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 793 Watershed Map Spookhill FRS at McDowell Road - water year peaks Volume (acre-feet) 250 200 150 100 50 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 794 2020 WY2017 Events Date of Peak 01/01/2017 01/21/2017 02/20/2017 07/17/2017 07/21/2017 07/24/2017 08/04/2017 Peak Gage Height (feet) 0.80 1.27 0.62 0.35 1.27 4.11 1.67 Peak Volume (ac-ft) 4.4 11.7 1.6 0.7 6.7 91.1 12.0 Percent Spillway Capacity 0.1 0.2 0.0 0.0 0.2 2.7 0.3 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 795 Spookhill FRS at McDowell Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --18 2 28 3 11 --5 4 31 5 27 6 11 7 2 8 9 --10 11 12 13 2 14 --15 16 17 3 18 19 15 20 6 27 4 21 31 12 31 22 31 1 29 23 16 1 30 24 2 44 25 4 43 26 40 27 --35 28 32 29 --30 30 --26 31 ----------8 -------------------------------------------------------------------------------TOTAL 2 0 6 138 56 0 0 0 0 355 77 0 MEAN 0 0 0 4 2 0 0 0 0 11 2 0 MAX 15 0 10 32 27 0 0 0 0 45 34 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 4 0 12 274 110 0 0 0 0 705 152 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 634 MEAN 2 MAX 45 MIN 0 AC_FT 1258 FCDMC Annual Surface Water Report, Water Year 2017 Page 796 Spookhill FRS at McDowell Road, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 --2 2 2 3 1 --1 4 6 5 2 6 1 7 8 9 --10 11 12 13 14 --15 16 17 18 19 1 20 1 1 21 6 1 6 22 6 3 23 2 10 24 78 25 69 26 42 27 --18 28 7 29 --4 30 --2 31 -----------------------------------------------------------------------------------------MEAN 0 0 0 1 0 0 0 0 0 8 0 0 MAX 1 0 1 7 2 0 0 0 0 91 12 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 1 MAX 91 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 797 Spookhill FRS at McDowell Road, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 --0.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2 0.0 0.0 0.0 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3 0.0 0.0 0.0 0.3 --0.0 0.0 0.0 0.0 0.0 0.2 0.0 4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.1 0.0 5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.7 0.0 6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.0 7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 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 0.1 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 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 0.1 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 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20 0.0 0.0 0.0 0.2 0.6 0.0 0.0 0.0 0.0 0.1 0.0 0.0 21 0.0 0.0 0.0 1.2 0.3 0.0 0.0 0.0 0.0 1.2 0.0 0.0 22 0.0 0.0 0.0 1.2 0.1 0.0 0.0 0.0 0.0 0.9 0.0 0.0 23 0.0 0.0 0.0 0.5 0.0 0.0 0.0 0.0 0.0 1.1 0.0 0.0 24 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 3.8 0.0 0.0 25 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 3.6 0.0 0.0 26 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.9 0.0 0.0 27 0.0 0.0 0.0 0.0 --0.0 0.0 0.0 0.0 1.9 0.0 0.0 28 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.3 0.0 0.0 29 0.0 0.0 0.0 0.0 --0.0 0.0 0.0 0.0 1.0 0.0 0.0 30 0.0 0.0 0.0 0.0 --0.0 0.0 0.0 0.0 0.6 0.0 0.0 31 ----0.0 0.0 --0.0 --0.0 --0.2 0.0 -------------------------------------------------------------------------------MEAN 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.6 0.1 0.0 MAX 0.4 0.0 0.3 1.3 0.6 0.0 0.0 0.0 0.0 4.1 1.7 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 2017 MEAN 0.07 MAX 4.11 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 798 Spookhill FRS at McKellips Road, ID #6638 Site Data LOCATION Located at McKellips Road and the Loop 202 DRAINAGE AREA 13.6 mi2 at outlet gage STREAM TYPE Engineered Channel / Levee / Dam JURISDICTION Mesa, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S07 T1N R7E LATITUDE N 33° 27' 04.7" | +33.45131 LONGITUDE W 111° 40' 03.4" | -111.66761 STREAMGAGE INSTALLATION DATE 06/19/2008 - WY 2008 AVAILABLE PERIOD OF RECORD (POR) 06/19/2008 - Current LENGTH OF AVAILABLE POR DATA 9.28 Years | 3,391 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.25 feet Gage Height STAFF GAGES None ZERO GAGE HEIGHT ELEVATION 1,570.40 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height DAM ELEVATIONS AS RELATED TO GAGE HEIGHT AT THIS SITE PRINCIPAL OUTLET ELEVATION -2.30 feet Gage Height UNGATED PRINCIPAL OUTLET INLET ELEV 7.10 feet Gage Height MINIMUM FREEWAY LEVEE ELEVATION 11.70 feet Gage Height SPILLWAY ELEVATION 13.50 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 799 Watershed Map Spookhill FRS at McKellips Road - water year peaks Volume (acre-feet) 250 200 150 100 50 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 800 2020 WY2017 Events Date of Peak 01/01/2017 01/20/2017 07/16/2017 07/20/2017 07/24/2017 08/03/2017 Peak Gage Height (feet) 0.55 0.48 0.69 1.19 3.59 1.49 Peak Volume (ac-ft) 25.7 25.3 11.1 21.0 111.3 27.3 Percent Spillway Capacity 0.2 0.2 0.2 0.4 3.2 0.5 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 801 Spookhill FRS at McKellips Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 8 4 19 5 6 7 8 9 10 11 12 13 14 15 16 17 2 18 19 20 1 3 21 2 7 22 2 23 9 24 45 25 45 26 42 27 35 28 14 29 --2 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 2 0 0 0 0 0 206 27 0 MEAN 0 0 0 0 0 0 0 0 0 7 1 0 MAX 0 0 0 6 3 0 0 0 0 47 38 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 5 0 0 0 0 0 410 54 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 237 MEAN 1 MAX 47 MIN 0 AC_FT 469 FCDMC Annual Surface Water Report, Water Year 2017 Page 802 Spookhill FRS at McKellips Road, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 6 4 14 5 6 7 8 9 10 11 12 13 14 15 16 17 2 18 19 20 2 21 5 22 23 11 24 93 25 82 26 53 27 30 28 13 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 9 1 0 MAX 0 0 0 3 0 0 0 0 0 111 27 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 1 MAX 111 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 803 Spookhill FRS at McKellips Road, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 0.3 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 0.5 0.2 4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.9 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 0.2 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 0.3 0.2 0.2 14 0.2 0.2 0.0 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 0.3 0.2 0.2 17 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 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 0.3 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 21 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.6 0.2 0.2 22 0.2 0.2 0.2 0.0 0.2 0.2 0.2 0.2 0.2 0.4 0.2 0.2 23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.7 0.2 0.2 24 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3.2 0.2 0.2 25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 3.0 0.2 0.2 26 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2.3 0.2 0.2 27 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.6 0.2 0.2 28 0.2 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.8 0.2 0.2 29 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 0.4 0.2 0.2 30 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 0.3 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 0.3 0.2 0.2 0.2 0.2 0.6 0.3 0.2 MAX 0.2 0.2 0.2 0.6 0.4 0.2 0.2 0.2 0.2 3.6 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 2017 MEAN 0.28 MAX 3.59 MIN 0.25 FCDMC Annual Surface Water Report, Water Year 2017 Page 804 Spookhill FRS at Brown Road, ID #6693 Site Data LOCATION Located at Brown Road and SR 202L DRAINAGE AREA 13.6 mi2 at outlet gage STREAM TYPE Engineered Channel / Levee / Dam JURISDICTION Mesa, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S16 T1N R7E LATITUDE N 33° 26' 11.9" | +33.43664 LONGITUDE W 111° 38' 52.8" | -111.64799 STREAMGAGE INSTALLATION DATE 06/04/2008 - WY 2008 AVAILABLE PERIOD OF RECORD (POR) 06/04/2008 - Current LENGTH OF AVAILABLE POR DATA 9.33 Years | 3,406 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.27 feet Gage Height STAFF GAGES None ZERO GAGE HEIGHT ELEVATION 1,571.75 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height DAM ELEVATIONS AS RELATED TO GAGE HEIGHT AT THIS SITE PRINCIPAL OUTLET ELEVATION -3.65 feet Gage Height UNGATED PRINCIPAL OUTLET INLET ELEV 5.75 feet Gage Height MINIMUM FREEWAY LEVEE ELEVATION 10.35 feet Gage Height SPILLWAY ELEVATION 12.15 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 805 Watershed Map Spookhill FRS at Brown Road - water year peaks Volume (acre-feet) 300 250 200 150 100 50 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 806 2020 WY2017 Events Date of Peak 07/24/2017 08/03/2017 Peak Gage Height (feet) 2.21 1.21 Peak Volume (ac-ft) 109.9 62.3 Percent Spillway Capacity 3.2 1.8 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 807 Spookhill FRS at Brown Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 11 4 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 8 24 46 25 45 26 27 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 126 12 0 MEAN 0 0 0 0 0 0 0 0 0 4 0 0 MAX 0 0 0 0 0 0 0 0 0 47 45 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 250 24 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 138 MEAN 0 MAX 47 MIN 0 AC_FT 274 FCDMC Annual Surface Water Report, Water Year 2017 Page 808 Spookhill FRS at Brown Road, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 13 4 1 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 12 24 83 25 67 26 30 27 28 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 6 0 0 MAX 0 0 0 0 0 0 0 0 0 110 62 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 1 MAX 110 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 809 Spookhill FRS at Brown Road, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.4 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 0.4 0.3 0.3 24 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 1.6 0.3 0.3 25 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 1.3 0.3 0.3 26 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 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 0.4 0.3 0.3 MAX 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 2.2 1.2 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 2017 MEAN 0.28 MAX 2.21 MIN 0.27 FCDMC Annual Surface Water Report, Water Year 2017 Page 810 Stagecoach Wash, ID #4913 Site Data LOCATION On Pima Road about 1/4 miles south of Stagecoach Pass DRAINAGE AREA 1.12 mi2 STREAM TYPE Culvert at natural stream JURISDICTION Scottsdale, Arizona WATERSHED Cave Creek SECTION/TOWNSHIP/RANGE S061 T5N R5E LATITUDE N 33° 48' 42.8" | +33.81190 LONGITUDE W 111° 53' 28.0" | -111.89112 STREAMGAGE INSTALLATION DATE 06/13/2001 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 06/13/2001 - Current LENGTH OF AVAILABE POR DATA 16.30 Years | 5,954 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.59 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 2,549.00 feet NAVD 1988 POINT OF ZERO FLOW 0.5 feet Gage Height EXTREME FOR PERIOD OF RECORD 802 cfs | 5.10 feet | 07/31/2007 FCDMC Annual Surface Water Report, Water Year 2017 Page 811 Watershed Map Stagecoach Wash - water year peaks 900 Discharge (cfs) 800 700 600 500 400 300 200 100 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 812 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event No runoff recorded at this gage in Water Year 2017. Flood Flow Frequency Flood Flow Frequency N=17, HEC-WRC computation (based on 17 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 18 72 157 308 677 1,170 FCDMC Annual Surface Water Report, Water Year 2017 Page 813 Stagecoach Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 6 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 1 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 11 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 6 MEAN 0 MAX 1 MIN 0 AC_FT 11 FCDMC Annual Surface Water Report, Water Year 2017 Page 814 Stoneridge Dam, ID #5968 Site Data LOCATION About 1/2 mile north of Shea Boulevard, west of Fountain Hills Boulevard DRAINAGE AREA 0.86 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Fountain Hills, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S22 T3N R6E LATITUDE N 33° 35' 40.1" | +33.59448 LONGITUDE W 111° 44' 00.0" | -111.73332 STREAMGAGE INSTALLATION DATE 12/11/1996 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 12/11/1996 - Current LENGTH OF AVAILABLE POR DATA 20.80 Years | 7,599 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.87 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,678.86 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 23.8 feet Gage Height TOP OF DAM ELEVATION 31.1 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 815 Watershed Map Volume (acre-feet) Stoneridge Dam - water year peaks 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 816 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity 07/24/2017 1.25 0.0 0.0 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 817 Stoneridge Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 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 11 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 2 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1 MEAN 0 MAX 11 MIN 0 AC_FT 2 FCDMC Annual Surface Water Report, Water Year 2017 Page 818 Stoneridge Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 819 Stoneridge Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 2 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 3 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 4 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 5 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 6 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 7 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 8 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 9 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 10 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 11 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 12 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 13 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 14 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 15 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 16 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 17 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 18 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 19 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 20 1.1 1.1 1.1 1.2 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 21 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 22 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 23 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 24 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.2 1.1 1.1 25 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 26 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 27 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 28 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 29 1.1 1.1 1.1 1.1 --1.1 1.1 1.1 1.1 1.1 1.1 1.1 30 1.1 1.1 1.1 1.1 --1.1 1.1 1.1 1.1 1.1 1.1 1.1 31 1.1 --1.1 1.1 --1.1 --1.1 --1.1 1.1 -------------------------------------------------------------------------------MEAN 1.1 1.1 1.1 1.2 1.1 1.2 1.1 1.1 1.1 1.2 1.1 1.1 MAX 1.1 1.1 1.1 1.6 1.1 1.1 1.1 1.1 1.1 1.2 1.1 1.1 MIN 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 -----------------------------------------------------------------------------WTR YR 2017 MEAN 1.15 MAX 1.57 MIN 1.15 FCDMC Annual Surface Water Report, Water Year 2017 Page 820 Sun Valley Parkway at Northern Avenue, ID #5303 Site Data LOCATION On Sun Valley Parkway near the Northern Avenue alignment DRAINAGE AREA 1.4 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S32 T3N R4W LATITUDE N 33° 33' 12.4" | +33.55345 LONGITUDE W 112° 40' 40.9" | -112.67803 STREAMGAGE INSTALLATION DATE 08/02/2005 - WY 2005 AVAILABLE PERIOD OF RECORD (POR) 08/02/2005 - Current LENGTH OF AVAILABLE POR DATA 12.16 Years | 4,443 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.15 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.0 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 214 cfs | 0.90 feet | 09/10/2013 FCDMC Annual Surface Water Report, Water Year 2017 Page 821 Watershed Map Sun Valley Parkway at Northern Avenue - water year peaks 900 Discharge (cfs) 800 700 600 500 400 300 200 100 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 822 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) None Hydrograph of peak WY 2017 flow event There was no runoff recorded by this gage in Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 823 Sun Valley Parkway at Northern, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 14 15 16 17 18 3 19 20 21 22 23 24 25 2 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 1 0 0 0 3 0 2 0 0 0 3 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 326 0 0 0 52 0 29 0 0 0 2 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 1 0 0 0 6 0 3 0 0 0 7 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 9 MEAN 0 MAX 326 MIN 0 AC_FT 17 FCDMC Annual Surface Water Report, Water Year 2017 Page 824 Sunnycove FRS, ID #5248 Site Data LOCATION In Wickenburg south of US 60 near the cemetery DRAINAGE AREA 1.35 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S11 T7N R5W LATITUDE N 33° 57' 26.1" | +33.95725 LONGITUDE W 112° 44' 23.2" | -112.73978 STREAMGAGE INSTALLATION DATE 07/01/1986 - WY 1986 AVAILABLE PERIOD OF RECORD (POR) 12/16/1988 - Current LENGTH OF AVAILABLE POR DATA 28.79 Years | 10,516 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.00 feet Gage Height STAFF GAGES 10 ZERO GAGE HEIGHT ELEVATION 2,135.10 feet NAVD 1988 POINT OF ZERO FLOW (GATED ORIFICE) -5.0 feet Gage Height POINT OF ZERO FLOW (UNGATED ORIFICE) 15.0 feet Gage Height POINT OF ZERO FLOW (PRINCIPAL OUTLET TOWER) 36.5 feet Gage Height SPILLWAY ELEVATION 37.1 feet Gage Height TOP OF DAM ELEVATION 45.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 825 Watershed Map Sunnycove FRS - water year peaks Volume (acre-feet) 160 140 120 100 80 60 40 20 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 826 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 12/25/2016 01/04/2017 01/21/2017 07/15/2017 07/18/2017 08/10/2017 08/17/2017 09/09/2017 Peak Gage Height (feet) 1.91 2.20 3.28 0.98 4.16 11.20 1.42 1.86 Peak Volume (ac-ft) 0.2 0.3 0.5 0.1 0.9 9.1 0.2 0.2 Percent Spillway Capacity 0.1 0.1 0.3 0.0 0.4 4.2 0.0 0.0 Hydrograph of peak WY 2017 impoundment event, 08/10/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 827 Sunnycove FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 828 Sunnycove FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 7 12 6 13 6 14 3 15 16 17 18 19 20 21 1 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 1 0 MAX 0 0 0 1 0 0 0 0 0 1 9 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 9 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 829 Sunnycove FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 0.0 0.0 1.5 2.4 0.0 0.0 0.0 0.0 0.0 1.3 0.0 2 0.0 0.0 0.3 --2.4 0.0 0.0 0.0 0.0 0.0 1.3 0.0 3 0.0 0.0 0.6 2.1 2.4 0.0 0.0 0.0 0.0 0.0 1.3 0.0 4 0.0 0.0 0.6 2.1 2.3 0.0 0.0 0.0 0.0 0.0 1.3 0.0 5 0.0 0.0 0.5 2.1 2.2 0.0 0.0 0.0 0.0 0.0 1.2 0.0 6 0.0 0.0 0.4 2.0 2.2 0.0 0.0 0.0 0.0 0.0 1.2 0.0 7 0.0 0.0 0.3 2.0 2.1 0.0 0.0 0.0 0.0 0.0 1.2 0.0 8 0.0 0.0 0.2 1.9 2.0 0.0 0.0 0.0 0.0 0.0 1.2 0.0 9 0.0 0.0 0.1 2.0 2.0 0.0 0.0 0.0 0.0 0.0 1.1 1.3 10 0.0 0.0 0.0 1.9 2.0 0.0 0.0 0.0 0.0 0.0 3.4 1.7 11 0.0 0.0 0.0 1.9 1.9 0.0 0.0 0.0 0.0 0.0 10.1 1.7 12 0.0 0.0 0.0 1.9 1.9 0.0 0.0 0.0 0.0 0.0 9.4 1.7 13 0.0 0.0 0.0 1.9 0.8 0.0 0.0 0.0 0.1 0.0 9.2 0.7 14 0.0 0.0 0.0 1.8 0.0 0.0 0.0 0.0 0.0 0.0 5.6 0.0 15 0.0 0.0 0.0 1.9 0.0 0.0 0.0 0.0 0.0 0.2 1.5 0.0 16 0.0 0.0 0.1 1.8 0.0 0.0 0.0 0.0 0.0 0.7 1.2 0.0 17 0.0 0.0 0.5 1.8 0.0 0.0 0.0 0.0 0.0 0.4 1.1 0.0 18 0.0 0.0 0.3 1.8 0.0 0.0 0.0 0.0 0.0 0.9 0.3 0.0 19 0.0 0.0 0.0 1.8 0.0 0.0 0.0 0.0 0.0 2.1 0.2 0.0 20 0.0 0.0 0.0 2.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 21 0.0 0.0 0.0 3.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22 0.0 0.0 1.2 3.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23 0.0 0.0 1.3 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24 0.0 0.0 1.3 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25 0.0 0.0 1.7 2.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26 0.0 0.0 1.8 2.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27 0.0 0.0 1.7 2.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 28 0.0 0.0 0.8 2.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 29 0.0 0.0 0.0 2.6 --0.0 0.0 0.0 0.0 0.6 0.0 0.0 30 0.0 0.0 0.3 2.6 --0.0 0.0 0.0 0.0 1.4 0.0 0.0 31 0.0 --1.4 2.5 --0.0 --0.0 --1.3 0.0 -------------------------------------------------------------------------------MEAN 0.0 0.0 0.5 2.3 1.0 0.0 0.0 0.0 0.0 0.3 1.7 0.2 MAX 0.0 0.0 1.9 3.3 2.6 0.1 0.0 0.0 0.1 4.2 11.2 1.9 MIN 0.0 0.0 0.0 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.49 MAX 11.20 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 830 Sunridge Canyon Dam, ID #5973 Site Data LOCATION Near the Sunridge Canyon Golf Course DRAINAGE AREA 1.60 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Fountain Hills, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S16 T3N R6E LATITUDE N 33° 36' 23.1" | +33.60641 LONGITUDE W 111° 45' 04.0" | -111.75112 STREAMGAGE INSTALLATION DATE 02/04/1997 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 02/04/1997 - Current LENGTH OF AVAILABLE POR DATA 20.65 Years | 7,544 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.36 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,884.66 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 40.1 feet Gage Height TOP OF DAM ELEVATION 47.7 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 831 Watershed Map Sunridge Canyon Dam - water year peaks Volume (acre-feet) 0.5 0.4 0.3 0.2 0.1 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 832 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/03/2017 01/20/2017 02/28/2017 07/24/2017 Peak Gage Height (feet) 3.17 1.71 3.03 2.39 4.54 Peak Volume (ac-ft) 0.0 0.0 0.0 0.0 0.1 Percent Spillway Capacity 0.0 0.0 0.0 0.0 0.1 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 833 Sunridge Canyon Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 18 3 4 4 5 6 7 8 9 10 11 --12 --13 9 --14 --15 --16 17 18 19 20 4 21 22 6 23 24 23 25 26 27 28 6 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 9 0 6 27 6 0 0 0 0 23 0 0 MEAN 0 0 0 1 0 0 0 0 0 1 0 0 MAX 47 0 54 53 48 0 0 0 0 83 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 19 0 11 53 12 0 0 0 0 46 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 71 MEAN 0 MAX 83 MIN 0 AC_FT 141 FCDMC Annual Surface Water Report, Water Year 2017 Page 834 Sunridge Canyon Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 835 Sunridge Canyon Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 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 13 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 15 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 1.7 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 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 2.3 1.4 3.2 3.0 2.4 1.4 1.4 1.4 1.4 4.5 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 2017 MEAN 1.36 MAX 4.54 MIN 1.36 FCDMC Annual Surface Water Report, Water Year 2017 Page 836 Sunset FRS, ID #5233 Site Data LOCATION In Wickenburg near US 60 and Mariposa Drive DRAINAGE AREA 0.95 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S11 T7N R5W LATITUDE N 33° 57' 53.7" | +33.96491 LONGITUDE W 112° 44' 32.6" | -112.74238 STREAMGAGE INSTALLATION DATE 02/12/1989 - WY 1989 AVAILABLE PERIOD OF RECORD (POR) 02/12/1989 - Current LENGTH OF AVAILABLE POR DATA 28.63 Years | 10,458 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES 7 ZERO GAGE HEIGHT ELEVATION 2,114.01 feet NAVD 1988 POINT OF ZERO FLOW (GATED ORIFICE) 0.0 feet Gage Height POINT OF ZERO FLOW (UNGATED ORIFICE) 8.75 feet Gage Height POINT OF ZERO FLOW (PRINCIPAL OUTLET TOWER) 19.75 feet Gage Height SPILLWAY ELEVATION 18.85 feet Gage Height TOP OF DAM ELEVATION 30.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 837 Watershed Map Sunset FRS - water year peaks Volume (acre-feet) 70 60 50 40 30 20 10 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 838 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 11/20/2016 12/22/2016 12/31/2016 01/20/2017 02/18/2017 02/28/2017 07/15/2017 07/18/2017 07/29/2017 08/10/2017 09/09/2017 Peak Gage Height (feet) 3.43 3.72 3.43 2.04 1.94 1.74 3.86 5.22 4.00 7.52 4.64 Peak Volume (ac-ft) 0.7 0.8 0.7 0.0 0.0 0.0 0.9 2.9 1.0 8.6 1.9 Percent Spillway Capacity 0.8 1.0 0.8 0.0 0.0 0.0 1.2 3.9 1.3 11.2 2.6 Hydrograph of peak WY 2017 impoundment event, 08/10/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 839 Sunset FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 50 470 2 121 3 4 5 6 --7 8 9 10 43 11 19 12 13 14 15 16 17 18 19 20 21 537 22 296 23 80 24 25 50 26 7 27 28 855 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 962 855 591 57 0 0 0 63 0 MEAN 0 0 0 31 31 19 2 0 0 0 2 0 MAX 0 0 0 1696 2841 689 975 0 0 0 975 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 1909 1695 1172 112 0 0 0 124 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 2527 MEAN 7 MAX 2841 MIN 0 AC_FT 5013 FCDMC Annual Surface Water Report, Water Year 2017 Page 840 Sunset FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 10 2 1 11 5 1 12 3 13 2 14 1 15 16 1 17 18 1 19 1 20 21 22 1 23 24 25 1 26 27 28 29 --30 --1 31 --1 -------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 1 1 0 0 0 0 0 0 3 9 2 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 9 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 841 Sunset FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.1 0.1 1.8 --0.5 1.5 0.1 0.1 0.1 0.1 2.3 0.1 2 0.1 0.1 1.6 --0.4 0.6 0.1 0.1 0.1 0.1 1.9 0.1 3 0.1 0.1 1.5 2.8 0.3 0.1 0.1 0.1 0.1 0.1 1.5 0.1 4 0.1 0.1 1.3 2.6 0.2 0.1 0.1 0.1 0.1 0.1 1.3 0.1 5 0.1 0.1 1.2 2.3 0.1 0.1 0.1 0.1 0.1 0.1 1.3 0.1 6 0.1 0.1 1.1 1.9 0.1 0.1 0.1 0.1 0.1 0.1 1.1 0.1 7 0.1 0.1 0.9 1.7 0.1 0.1 0.1 0.1 0.1 0.1 0.9 0.1 8 0.1 0.1 0.8 1.3 0.1 0.1 0.1 0.1 0.1 0.1 0.6 0.1 9 0.1 0.1 0.6 1.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 3.3 10 0.1 0.1 0.5 0.8 0.1 0.1 0.1 0.1 0.1 0.1 1.9 3.7 11 0.1 0.1 0.3 0.6 0.1 0.1 0.1 0.1 0.1 0.1 6.0 3.4 12 0.1 0.1 0.1 0.3 0.1 0.1 0.1 0.1 0.1 0.1 5.0 2.9 13 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4.6 1.1 14 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 2.2 0.1 15 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.0 0.4 0.1 16 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 3.1 0.1 0.1 17 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 2.7 0.1 0.1 18 0.1 0.1 0.1 0.1 0.4 0.1 0.1 0.1 0.1 3.0 0.1 0.1 19 0.1 0.1 0.1 0.1 1.8 0.1 0.1 0.1 0.1 4.1 0.1 0.1 20 0.1 0.8 0.1 0.5 1.6 0.1 0.1 0.1 0.1 1.4 0.1 0.1 21 0.1 2.8 0.1 1.9 1.4 0.1 0.1 0.1 0.1 0.3 0.1 0.1 22 0.1 2.5 3.1 1.7 1.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 23 0.1 2.2 3.0 1.5 1.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 24 0.1 2.0 2.7 1.4 1.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 25 0.1 1.9 3.3 1.3 0.9 0.1 0.1 0.1 0.1 0.1 0.1 0.1 26 0.1 1.7 3.0 1.1 0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 27 0.1 1.8 2.6 1.0 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 28 0.1 2.3 2.0 0.9 1.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 29 0.1 2.1 1.3 0.7 --0.1 0.1 0.1 0.1 1.5 0.1 0.1 30 0.1 1.9 1.4 0.6 --0.1 0.1 0.1 0.1 3.3 0.1 0.1 31 0.1 --3.2 0.6 --0.1 --0.1 --2.7 0.1 -------------------------------------------------------------------------------MEAN 0.1 0.8 1.2 1.0 0.5 0.2 0.1 0.1 0.1 0.8 1.1 0.6 MAX 0.1 3.4 3.7 2.8 1.9 1.6 0.1 0.1 0.1 5.2 7.5 4.6 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 2017 MEAN 0.56 MAX 7.52 MIN 0.10 FCDMC Annual Surface Water Report, Water Year 2017 Page 842 Sycamore Creek Fire, ID #5871/5873 Site Data LOCATION Located near town of Sunflower, Arizona DRAINAGE AREA 20.2 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Verde SECTION/TOWNSHIP/RANGE S25 T7N R8E LATITUDE N 33° 55' 34.8" | +33.92634 LONGITUDE W 111° 28' 46.0" | -111.47944 STREAMGAGE INSTALLATION DATE 06/26/2012 - WY 2012 AVAILABLE PERIOD OF RECORD (POR) 06/26/2012 - Current LENGTH OF AVAILABLE POR DATA 5.26 Years | 1,923 Days DATA GAPS IN POR None STATUS SENSOR (5872) ELEVATION 2.15 feet Gage Height RADAR GAGE (5871) GROUND ELEVATION BELOW SENSOR 3.8 feet Gage Height TRANSDUCER GAGE (5873) ELEVATION 7.26 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 7,906 cfs | 11.96 feet gage height | 08/16/2012 FCDMC Annual Surface Water Report, Water Year 2017 Page 843 Location Map Sycamore Creek Fire - water year peaks 9,000 Discharge (cfs) 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 844 2015 Water Year 2020 WY2017 Events Date of Peak 01/20/2017 01/21/2017 Peak Gage Height 5.14 4.96 Peak Discharge (cfs) 1,138 373 Hydrograph of peak WY 2017 flow event, 01/20/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 845 Sycamore Creek Fire, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 27 21 2 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 29 0 0 0 0 0 0 0 0 MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 0 0 0 1138 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 57 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 29 MEAN 0 MAX 1138 MIN 0 AC_FT 57 FCDMC Annual Surface Water Report, Water Year 2017 Page 846 Tat Momolikot Dam, ID #0773 Site Data LOCATION On the Tohono O'Odham Reservation west of Eloy DRAINAGE AREA 1,780 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Tohono O'Odham Reservation, Arizona WATERSHED Santa Rosa SECTION/TOWNSHIP/RANGE S14 T9S R4E LATITUDE N 32° 39' 00.6" | +32.65016 LONGITUDE W 111° 55' 42.0" | -111.92833 STREAMGAGE INSTALLATION DATE 01/21/1998 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 01/19/2000 - Current LENGTH OF AVAILABLE POR DATA 17.70 Years | 6,465 Days DATA GAPS IN POR 01/21/1998 - 01/19/2000 STAGE GAGE ELEVATION 0.81 Feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,485.00 feet M.S.L. PZF (LOW GATED ORIFICE) 0.0 Feet Gage Height PZF (MIDDLE GATED ORIFICE) 8.0 Feet Gage Height PZF (UPPER GATED ORIFICE) 16.0 Feet Gage Height SPILLWAY ELEVATION 54.0 feet Gage Height TOP OF DAM ELEVATION 72.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 847 Watershed Map Tat Momolikot Dam - water year peaks Volume (acre-feet) 6,000 5,000 4,000 3,000 2,000 1,000 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 848 2010 Water Year 2015 2020 WY2017 Events Date of Peak 01/26/2017 08/05/2017 Peak Gage Height (feet) 2.43 8.97 Peak Volume (ac-ft) 440 1,788 Percent Spillway Capacity 0.2 0.9 Hydrograph of peak WY 2017 impoundment event, 08/05/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 849 Tat Momolikot Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 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, this 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. FCDMC Annual Surface Water Report, Water Year 2017 Page 850 Tat Momolikot Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 363 304 ----811 1075 2 362 298 ----902 1074 3 357 285 --1179 1053 4 356 279 --1623 1031 5 346 276 --1758 1007 6 344 278 --1706 1000 7 340 274 1624 999 8 332 260 1545 1032 9 326 247 1469 1013 10 322 237 1414 988 11 317 226 1390 959 12 318 215 --1337 934 13 27 326 199 --1302 923 14 326 181 --1291 930 15 324 165 --1279 924 16 322 148 1251 912 17 320 110 108 1221 895 18 323 64 --367 1187 878 19 334 36 --449 1159 868 20 320 13 --552 1148 849 21 312 10 --638 1117 836 22 301 31 --706 1090 836 23 307 96 --679 1079 832 24 123 321 79 --687 1120 815 25 387 318 73 752 1205 822 26 400 306 45 ----838 1207 796 27 397 309 43 ----838 1181 785 28 388 310 62 ----840 1150 782 29 382 --68 ----882 1122 754 30 366 ------871 1106 741 31 --367 ------829 1087 -------------------------------------------------------------------------------MEAN 1 0 0 91 327 148 0 0 0 351 1260 911 MAX 220 0 0 440 416 350 0 0 0 912 1788 1102 MIN 0 0 0 0 282 0 0 0 0 0 780 710 -----------------------------------------------------------------------------WTR YR 2017 MEAN 255 MAX 1788 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 851 Tat Momolikot Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 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 2.1 1.8 0.8 0.8 ----4.2 5.5 2 0.8 0.8 0.8 0.8 2.0 1.7 0.8 0.8 ----4.7 5.5 3 0.8 0.8 0.8 0.8 2.0 1.7 0.8 0.8 --0.8 6.0 5.4 4 0.8 0.8 0.8 0.8 2.0 1.6 0.8 0.8 --0.8 8.2 5.3 5 0.8 0.8 0.8 0.8 2.0 1.6 0.8 0.8 --0.8 8.8 5.2 6 0.8 0.8 0.8 0.8 2.0 1.6 0.8 0.8 --0.8 8.6 5.1 7 0.8 0.8 0.8 0.8 1.9 1.6 0.8 0.8 0.8 0.8 8.2 5.1 8 0.8 0.8 0.8 0.8 1.9 1.6 0.8 0.8 0.8 0.8 7.8 5.3 9 0.8 0.8 0.8 0.8 1.9 1.5 0.8 0.8 0.8 0.8 7.4 5.2 10 0.8 0.8 0.8 0.8 1.9 1.4 0.8 0.8 0.8 0.8 7.2 5.1 11 0.8 0.8 0.8 0.8 1.8 1.4 0.8 0.8 0.8 0.8 7.0 4.9 12 0.8 0.8 0.8 0.8 1.8 1.3 0.8 --0.8 0.8 6.8 4.8 13 0.9 0.8 0.8 0.8 1.9 1.3 0.8 --0.8 0.8 6.6 4.8 14 0.8 0.8 0.8 0.8 1.9 1.2 0.8 --0.8 0.8 6.6 4.8 15 0.8 0.8 0.8 0.8 1.9 1.1 0.8 --0.8 0.8 6.5 4.8 16 0.8 0.8 0.8 0.8 1.9 1.0 0.8 0.8 0.8 0.8 6.4 4.7 17 0.8 0.8 0.8 0.8 1.8 0.9 0.8 0.8 0.8 1.1 6.2 4.6 18 0.8 0.8 0.8 0.8 1.9 0.9 0.8 --0.8 2.1 6.1 4.6 19 0.8 0.8 0.8 0.8 1.9 0.8 0.8 --0.8 2.5 5.9 4.5 20 0.8 0.8 0.8 0.8 1.8 0.8 0.8 --0.8 3.0 5.9 4.4 21 0.8 0.8 0.8 0.8 1.8 0.8 0.8 --0.8 3.4 5.7 4.4 22 0.8 0.8 0.8 0.8 1.8 0.8 0.8 --0.8 3.7 5.6 4.4 23 0.8 0.8 0.8 0.8 1.8 0.9 0.8 --0.8 3.6 5.5 4.3 24 0.8 0.8 0.8 1.2 1.9 0.9 0.8 --0.8 3.6 5.7 4.2 25 0.8 0.8 0.8 2.2 1.8 0.9 0.8 0.8 0.8 3.9 6.1 4.3 26 0.8 0.8 0.8 2.2 1.8 0.8 0.8 ----4.4 6.1 4.2 27 0.8 0.8 0.8 2.2 1.8 0.8 0.8 ----4.4 6.0 4.1 28 0.8 0.8 0.8 2.2 1.8 0.9 0.8 ----4.4 5.9 4.1 29 0.8 0.8 0.8 2.1 --0.9 0.8 ----4.6 5.7 4.0 30 0.8 0.8 0.8 2.1 --0.8 0.8 ----4.5 5.7 3.9 31 0.8 --0.8 2.1 --0.8 --0.8 --4.3 5.6 -------------------------------------------------------------------------------MEAN 0.8 0.8 0.8 1.1 1.9 1.2 0.8 0.8 0.8 2.3 6.4 4.7 MAX 1.4 0.8 0.8 2.4 2.3 2.0 0.8 0.8 0.8 4.7 9.0 5.6 MIN 0.8 0.8 0.8 0.8 1.7 0.8 0.8 0.8 0.8 0.8 4.1 3.7 -----------------------------------------------------------------------------WTR YR 2017 MEAN 1.86 MAX 8.97 MIN 0.81 FCDMC Annual Surface Water Report, Water Year 2017 Page 852 Tatum Wash Basin Inflow – ID #4638 Site Data LOCATION Located near Shea Boulevard and 44th Street DRAINAGE AREA 2.17 mi2 STREAM TYPE Engineered Natural Stream JURISDICTION Phoenix, Arizona WATERSHED Middle Indian Bend SECTION/TOWNSHIP/RANGE S30 T3N R4E LATITUDE N 33° 34' 54.1" | +33.58169 LONGITUDE W 111° 59' 04.3" | -111.98453 STREAMGAGE INSTALLATION DATE 06/03/1994 - WY 1994 AVAILABLE PERIOD OF RECORD (POR) 06/03/1994 - Current LENGTH OF AVAILABLE POR DATA DATA 23.33 Years | 8,521 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,688 cfs | 3.68 feet | 09/08/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 853 Watershed Map Tatum Wash - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 854 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 08/03/2017 1.62 483 Hydrograph of peak WY 2017 flow event, 08/03/2017 Flood Flow Frequency Flood Flow Frequency N=24, HEC-WRC computation (based on 24 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 54 396 1,020 2,130 4,640 7,580 FCDMC Annual Surface Water Report, Water Year 2017 Page 855 Tatum Basin Inflow, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 10 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 0 1 0 0 0 0 0 10 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 1 0 47 1 0 0 0 0 483 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 2 0 0 0 0 0 19 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 11 MEAN 0 MAX 483 MIN 0 AC_FT 22 FCDMC Annual Surface Water Report, Water Year 2017 Page 856 Tatum Wash Basin – ID #4653 Site Data LOCATION Located near Shea Boulevard and 44th Street DRAINAGE AREA 2.17 mi2 STREAM TYPE Flood control basin on natural stream JURISDICTION Phoenix, Arizona WATERSHED Middle Indian Bend SECTION/TOWNSHIP/RANGE S30 T3N R4E LATITUDE N 33° 34' 56.8" | +33.58245 LONGITUDE W 111° 59' 01.5" | -111.98376 STREAMGAGE INSTALLATION DATE 05/08/1998 - WY 1998 AVAILABLE PERIOD OF RECORD (POR) 05/08/1998 - Current LENGTH OF AVAILABLE POR DATA DATA 19.40 Years | 7,086 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.05 feet Gage Height ZERO GAGE HEIGHT ELEVATION 1,380.60 feet M.S.L. PZF (LOWER FLAP-GATE) 0.4 feet Gage Height PZF (UPPER FLAP-GATE) 4.4 feet Gage Height PZF (UNCONTROLLED INLET TOWER) 11.6 feet Gage Height SPILLWAY CREST ELEVATION 11.8 feet Gage Height TOP OF BASIN ELEVATION 13.4 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 857 Watershed Map Tatum Basin - water year peaks Volume (acre-feet) 45 40 35 30 25 20 15 10 5 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 858 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) Percent Spillway Capacity 02/28/2017 08/03/2017 2.50 Unk 5.6 Unk 17.4 Unk Hydrograph of peak WY 2017 impoundment event, 02/28/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 859 Tatum Wash Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 0 1 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 16 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 3 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 1 MEAN 0 MAX 16 MIN 0 AC_FT 3 FCDMC Annual Surface Water Report, Water Year 2017 Page 860 Tatum Wash Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 2 1 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 2 29 --30 --31 ---------------------------------------------------------------------------------------MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 0 0 6 2 0 0 0 0 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 6 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 861 Tatum Wash Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 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 0.7 0.1 0.1 0.1 0.1 0.1 0.1 2 0.1 0.1 0.1 0.1 0.1 0.4 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 0.1 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 0.9 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 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 0.0 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 0.1 0.1 2.5 0.9 0.1 0.1 0.1 0.1 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 2017 MEAN 0.06 MAX 2.50 MIN 0.05 FCDMC Annual Surface Water Report, Water Year 2017 Page 862 Tenth Street Wash Basin #1, ID #4818 Site Data LOCATION Near Cave Creek Road and Peoria Avenue DRAINAGE AREA 1.2 mi2 STREAM TYPE Flood control basin on natural stream JURISDICTION Phoenix, Arizona WATERSHED Upper ACDC SECTION/TOWNSHIP/RANGE S28 T3N R3E LATITUDE N 33° 34' 46.8" | +33.57969 LONGITUDE W 112° 03' 17.3" | -112.05476 STREAMGAGE INSTALLATION DATE 11/26/1996 - WY 1997 AVAILABLE PERIOD OF RECORD (POR) 11/26/1996 - Current LENGTH OF AVAILABLE POR DATA 20.85 Years | 7,614 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.33 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,306.80 Feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY CREST ELEVATION 11.5 feet Gage Height TOP OF BASIN ELEVATION 13.2 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 863 Watershed Map Tenth Street Wash Basin #1 - water year peaks Volume (acre-feet) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 864 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/31/2016 01/01/2017 01/20/2017 02/28/2017 07/17/2017 07/29/2017 08/03/2017 08/24/2017 Peak Gage Height (feet) 1.05 1.05 1.07 0.65 1.40 0.95 1.30 1.00 1.53 Peak Volume (ac-ft) 0.4 1.4 0.4 0.2 0.7 0.3 0.6 0.4 0.8 Percent Spillway Capacity 2.0 2.0 2.0 1.0 3.1 1.8 2.8 1.9 3.8 Hydrograph of peak WY 2017 impoundment event, 08/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 865 Tenth Street Wash Basin #1, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 25 26 27 28 1 29 --1 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 1 0 1 0 0 0 0 1 2 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 5 6 9 0 0 0 0 8 10 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 1 1 2 0 0 0 0 2 4 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 5 MEAN 0 MAX 10 MIN 0 AC_FT 10 FCDMC Annual Surface Water Report, Water Year 2017 Page 866 Tenth Street Wash Basin #1, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 1 0 0 0 0 1 1 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 1 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 867 Tenth Street Wash Basin #1, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.3 0.3 0.3 0.4 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 0.4 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 0.4 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 0.4 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 0.4 0.3 24 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.5 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 0.5 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 0.5 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 --0.4 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 1.1 1.1 1.4 0.3 0.3 0.3 0.3 1.3 1.5 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 2017 MEAN 0.33 MAX 1.53 MIN 0.33 FCDMC Annual Surface Water Report, Water Year 2017 Page 868 Tiger Wash, ID #5163 Site Data LOCATION Near Eagle Eye Road about 10 miles north of Salome Road DRAINAGE AREA 85 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S26 T5N R10W LATITUDE N 33° 44' 30.3" | +33.74175 LONGITUDE W 113° 16' 42.8" | -113.27855 STREAMGAGE INSTALLATION DATE 09/15/1999 - WY 1999 AVAILABLE PERIOD OF RECORD (POR) 09/15/1999 - Current LENGTH OF AVAILABLE POR DATA 18.05 Years | 6,591 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 4.73 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 6 (Continuous Slope Area type) ZERO GAGE HEIGHT ELEVATION 1,866.15 feet NAVD 1988 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 4,541 cfs | 9.28 feet | 07/14/2012 EXTREME OUTSIDE PERIOD OF RECORD 7,778 cfs | 10.07 feet | 09/26/1997 FCDMC Annual Surface Water Report, Water Year 2017 Page 869 Watershed Map Discharge (cfs) Tiger Wash - water year peaks 5,000 4,500 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 870 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Discharge (cfs) 08/01/2017 5.80 546 Hydrograph of peak WY 2017 flow event, 08/01/2017 Flood Flow Frequency Flood Flow Frequency N=45, HEC-WRC computation (based on 45 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 1,090 2,870 4,460 6,230 8,790 10,900 NOTE: These results are based on limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 871 Tiger Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 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 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 0 546 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 32 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 16 MEAN 0 MAX 546 MIN 0 AC_FT 32 FCDMC Annual Surface Water Report, Water Year 2017 Page 872 Twin Buttes Wash, ID #73207 Site Data LOCATION Located on Vistancia Blvd. about 2 miles northwest of the Loop 303 DRAINAGE AREA 7.1 mi2 STREAM TYPE Natural JURISDICTION Peoria, Arizona WATERSHED Lower Agua Fria SECTION/TOWNSHIP/RANGE S25 T5N R1W LATITUDE N 33° 44' 18.4" | +33.73843 LONGITUDE W 112° 19' 10.4" | -112.31956 STREAMGAGE INSTALLATION DATE 10/29/2015 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 12/09/2015 - Current LENGTH OF AVAILABLE POR DATA 1.81 Years | 662 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.75 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 1,346.359 feet NAVD88 POINT OF ZERO FLOW 0.2 feet Gage Height EXTREME FOR PERIOD OF RECORD No Events Recorded FCDMC Annual Surface Water Report, Water Year 2017 Page 873 Watershed Map Discharge (cfs) Twin Buttes Wash - water year peaks 100 90 80 70 60 50 40 30 20 10 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 874 2020 Water Year 2025 WY2017 Events Date of Peak 12/16/2016 12/22/2016 01/01/2017 02/18/2017 02/28/2017 07/29/2017 Peak Gage Height 0.89 0.89 1.02 0.85 1.00 0.92 Peak Discharge (cfs) 18 18 25 16 24 19 Hydrograph of peak WY 2017 flow event, 01/01/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 875 Twin Buttes Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 4 17 18 2 19 20 21 22 2 23 24 25 26 27 28 5 29 --1 30 2 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 7 2 7 0 0 0 0 1 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 0 0 18 25 24 0 0 0 0 19 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 15 4 14 0 0 0 0 1 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 17 MEAN 0 MAX 25 MIN 0 AC_FT 34 FCDMC Annual Surface Water Report, Water Year 2017 Page 876 University Drive at 62nd Street Basin, ID #34607 Site Data LOCATION On University Drive east of Recker Road DRAINAGE AREA Undetermined STREAM TYPE Flood control basin JURISDICTION Mesa, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S13 T1N R6E LATITUDE N 33° 25' 23.6" | +33.42321 LONGITUDE W 111° 41' 47.3" | -111.69647 STREAMGAGE INSTALLATION DATE 12/22/2016 – WY2017 AVAILABLE PERIOD OF RECORD (POR) 12/22/2016 – Current LENGTH OF AVAILABLE POR DATA 0.77 Years | 283 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.25 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,392.00 feet NAVD88 POINT OF ZERO FLOW 0.2 feet Gage Height SPILLWAY CREST ELEVATION 12.0 feet Gage Height TOP OF BASIN ELEVATION 12.5 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 877 Watershed Map Univ Dr at 62nd St Basin - water year peaks Volume (acre-feet) 6 5 4 3 2 1 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 878 2020 Water Year 2025 WY2017 Events Date of Peak 07/11/2017 07/17/2017 07/18/2017 07/20/2017 07/24/2017 08/04/2017 Peak Gage Height (feet) 0.75 3.82 1.55 3.72 5.64 4.07 Peak Volume (ac-ft) 0.0 0.2 0.0 0.2 4.9 0.3 Percent Spillway Capacity 0.0 0.8 0.0 0.8 20.0 1.3 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 879 University Drive at 62nd Street Basin, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ------6 6 6 2 ------6 6 6 3 ------6 6 6 1 4 ------6 6 6 2 5 ------6 6 6 6 ------6 6 6 7 ------6 6 6 8 ------6 6 6 9 ------6 6 6 10 ------6 6 6 11 ------6 6 6 12 ------6 6 6 13 ------6 6 6 14 ------6 6 6 15 ------6 6 6 16 ------6 6 6 17 ------6 6 6 1 18 ------6 6 6 19 ------6 6 6 20 ------6 6 6 1 21 ------6 6 4 1 22 ----6 6 6 23 ----6 6 6 1 24 ----6 6 6 6 25 ----6 6 6 3 26 ----6 6 6 27 ----6 6 6 28 ----6 6 6 29 ----6 6 --30 ----6 6 --31 ----6 6 -------------------------------------------------------------------------------------TOTAL ----174 174 157 116 0 0 0 14 3 0 MEAN ----6 6 6 4 0 0 0 0 0 0 MAX ----6 6 6 6 0 0 0 7 5 0 MIN ----6 6 6 0 0 0 0 0 0 0 AC_FT ----345 345 311 229 0 0 0 27 5 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 636 MEAN 3 MAX 7 MIN 0 AC_FT 1262 FCDMC Annual Surface Water Report, Water Year 2017 Page 880 University Drive at 62nd Street Basin, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ------1 1 1 2 ------1 1 1 3 ------1 1 1 4 ------1 1 1 5 ------1 1 1 6 ------1 1 1 7 ------1 1 1 8 ------1 1 1 9 ------1 1 1 10 ------1 1 1 11 ------1 1 1 12 ------1 1 1 13 ------1 1 1 14 ------1 1 1 15 ------1 1 1 16 ------1 1 1 17 ------1 1 1 18 ------1 1 1 19 ------1 1 1 20 ------1 1 1 21 ------1 1 1 22 ----1 1 1 23 ----1 1 1 24 ----1 1 1 4 25 ----1 1 1 26 ----1 1 1 27 ----1 1 1 28 ----1 1 1 29 ----1 1 --30 ----1 1 --31 ----1 1 -------------------------------------------------------------------------------------MEAN ----1 1 1 1 0 0 0 0 0 0 MAX ----1 1 1 1 0 0 0 5 0 0 MIN ----1 1 1 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 1 MAX 5 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 881 University Drive at 62nd Street Basin, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 2 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.3 0.2 3 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 1.1 0.2 4 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 1.4 0.2 5 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 6 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 7 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 8 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 9 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 10 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 11 ------4.6 4.6 4.6 0.2 0.2 0.2 0.3 0.2 0.2 12 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 13 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 14 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 15 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 16 ------4.6 4.6 4.6 0.2 0.2 0.2 0.4 0.2 0.2 17 ------4.6 4.6 4.6 0.2 0.2 0.2 1.4 0.3 0.2 18 ------4.6 4.6 4.6 0.2 0.2 0.2 0.4 0.2 0.2 19 ------4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 20 ------4.6 4.6 4.6 0.2 0.2 0.2 0.7 0.3 0.2 21 ------4.6 4.6 3.0 0.2 0.2 0.2 0.9 0.2 0.2 22 ----4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 ----4.6 4.6 4.6 0.2 0.2 0.2 0.2 1.1 0.2 0.2 24 ----4.6 4.6 4.6 0.2 0.2 0.2 0.2 5.2 0.2 0.2 25 ----4.6 4.6 4.6 0.2 0.2 0.2 0.2 2.5 0.3 0.2 26 ----4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 27 ----4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 28 ----4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 29 ----4.6 4.6 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 30 ----4.6 4.6 --0.2 0.2 0.2 0.2 0.2 0.2 0.2 31 ----4.6 4.6 --0.2 --0.2 --0.2 0.2 -------------------------------------------------------------------------------MEAN ----4.6 4.6 4.6 3.1 0.2 0.2 0.2 0.6 0.3 0.2 MAX ----4.6 4.6 4.6 4.6 0.2 0.2 0.2 5.6 4.1 0.2 MIN ----4.6 4.6 4.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 -----------------------------------------------------------------------------WTR YR 2017 MEAN 2.33 MAX 5.64 MIN 0.25 FCDMC Annual Surface Water Report, Water Year 2017 Page 882 Upper Trilby Wash, ID #5488 Site Data LOCATION Located about 3 miles north of Castle Hot Springs Road DRAINAGE AREA 3.0 mi2 STREAM TYPE Natural Stream JURISDICTION Yavapai County, Arizona WATERSHED Trilby SECTION/TOWNSHIP/RANGE S12 T7N R3W LATITUDE N 33° 57' 37.5" | +33.96042 LONGITUDE W 112° 31' 45.3" | -112.52925 STREAMGAGE INSTALLATION DATE 09/26/2001 - WY 2001 AVAILABLE PERIOD OF RECORD (POR) 09/26/2001 - Current LENGTH OF AVAILABLE POR DATA 16.01 Years | 5,849 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.90 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 3,030.06 feet NAVD 1988 POINT OF ZERO FLOW 0.8 feet Gage Height EXTREME FOR PERIOD OF RECORD 412 cfs | 2.40 feet | 07/18/2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 883 Watershed Map Upper Trilby Wash - water year peaks 450 Discharge (cfs) 400 350 300 250 200 150 100 50 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 884 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 12/24/2016 01/01/2017 01/21/2017 02/18/2017 02/19/2017 02/28/2017 07/18/2017 07/19/2017 Peak Gage Height 1.80 1.48 1.38 1.68 1.19 1.12 1.22 1.39 1.27 Peak Discharge (cfs) 137 63 47 100 22 14 25 49 32 Hydrograph of peak WY 2017 flow event, 12/22/2016 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 885 Upper Trilby Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 6 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 3 19 1 2 20 3 21 7 22 4 1 23 1 24 8 25 26 27 28 11 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 12 17 13 0 0 0 0 4 2 0 MEAN 0 0 0 1 0 0 0 0 0 0 0 0 MAX 0 0 137 100 25 0 0 0 0 49 6 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 24 33 26 0 0 0 0 9 5 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 49 MEAN 0 MAX 137 MIN 0 AC_FT 97 FCDMC Annual Surface Water Report, Water Year 2017 Page 886 UPRR Underpass at First Avenue, ID #3107 Site Data LOCATION Near First Avenue and Jackson Street DRAINAGE AREA None STREAM TYPE Roadway Underpass JURISDICTION Phoenix, Arizona WATERSHED Lower Arizona Canal Diversion Channel SECTION/TOWNSHIP/RANGE S08 T1N R3E LATITUDE N 33° 26' 39.4" | +33.44429 LONGITUDE W 112° 04' 29.0" | -112.07472 STREAMGAGE INSTALLATION DATE 05/30/2017 – WY2017 AVAILABLE PERIOD OF RECORD (POR) 05/30/2017 – Current LENGTH OF AVAILABLE POR DATA 0.34 Years | 124 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -9.83 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height MINIMUM ROADWAY ELEVATION 0.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 887 Location Map UPRR Underpass at 1st Ave - water year peaks 1.2 Stage (feet) 1 0.8 0.6 0.4 0.2 0 2015 2020 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 888 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) None Hydrograph of peak WY 2017 impoundment event No event recorded in Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 889 Percent Spillway Capacity UPRR Underpass at First Avenue, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ----------------- -9.8 -9.8 -9.8 -9.8 2 ----------------- -9.8 -9.8 -9.8 -9.8 3 ----------------- -9.8 -9.8 -9.8 -9.8 4 ----------------- -9.8 -9.8 -9.8 -9.8 5 ----------------- -9.8 -9.8 -9.8 -9.8 6 ----------------- -9.8 -9.8 -9.8 -9.8 7 ----------------- -9.8 -9.8 -9.8 -9.8 8 ----------------- -9.8 -9.8 -9.8 -9.8 9 ----------------- -9.8 -9.8 -9.8 -9.8 10 ----------------- -9.8 -9.8 -9.8 -9.8 11 ----------------- -9.8 -9.8 -9.8 -9.8 12 ----------------- -9.8 -9.8 -9.8 -9.8 13 ----------------- -9.8 -9.8 -9.8 -9.8 14 ----------------- -9.8 -9.8 -9.8 -9.8 15 ----------------- -9.8 --- -9.8 -9.8 16 ----------------- -9.8 --- -9.8 -9.8 17 ----------------- -9.8 --- -9.8 -9.8 18 ----------------- -9.8 --- -9.8 -9.8 19 ----------------- -9.8 -9.8 -9.8 -9.8 20 ----------------- -9.8 -9.8 -9.8 -9.8 21 ----------------- -9.8 -9.8 -9.8 -9.8 22 ----------------- -9.8 -9.8 -9.8 -9.8 23 ----------------- -9.8 -9.8 -9.8 -9.8 24 ----------------- -9.8 -9.8 -9.8 -9.8 25 ----------------- -9.8 -9.8 -9.8 -9.8 26 ----------------- -9.8 -9.8 -9.8 -9.8 27 ----------------- -9.8 -9.8 -9.8 -9.8 28 ----------------- -9.8 -9.8 -9.8 -9.8 29 ----------------- -9.8 -9.8 -9.8 -9.8 30 --------------- -9.8 -9.8 -9.8 -9.8 -9.8 31 --------------- -9.8 --- -9.8 -9.8 -------------------------------------------------------------------------------MEAN --------------- -9.8 -9.8 -9.8 -9.8 -9.8 MAX --------------- -9.8 -9.8 -9.8 -9.8 -9.8 MIN --------------- -9.8 -9.8 -9.8 -9.8 -9.8 -----------------------------------------------------------------------------WTR YR 2017 MEAN -9.83 MAX -9.83 MIN -9.83 FCDMC Annual Surface Water Report, Water Year 2017 Page 890 UPRR Underpass at Central Avenue, ID #3207 Site Data LOCATION Near Central Avenue and Jackson Street DRAINAGE AREA None STREAM TYPE Roadway Underpass JURISDICTION Phoenix, Arizona WATERSHED Lower Arizona Canal Diversion Channel SECTION/TOWNSHIP/RANGE S08 T1N R3E LATITUDE N 33° 26' 38.9" | +33.44413 LONGITUDE W 112° 04' 25.5" | -112.07376 STREAMGAGE INSTALLATION DATE 05/30/2017 – WY2017 AVAILABLE PERIOD OF RECORD (POR) 05/30/2017 – Current LENGTH OF AVAILABLE POR DATA 0.34 Years | 124 Days DATA GAPS IN POR None STAGE GAGE ELEVATION -5.00 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height MINIMUM ROADWAY ELEVATION 0.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 891 Location Map UPRR Underpass at Central Ave - water year peaks 1.2 Stage (feet) 1 0.8 0.6 0.4 0.2 0 2015 2020 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 892 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) None Hydrograph of peak WY 2017 impoundment event No event recorded in Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 893 Percent Spillway Capacity UPRR Underpass at Central Avenue, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 ----------------- -5.0 -5.0 -5.0 -5.0 2 ----------------- -5.0 -5.0 -5.0 -5.0 3 ----------------- -5.0 -5.0 -5.0 -5.0 4 ----------------- -5.0 -5.0 -5.0 -5.0 5 ----------------- -5.0 -5.0 -5.0 -5.0 6 ----------------- -5.0 -5.0 -5.0 -5.0 7 ----------------- -5.0 -5.0 -5.0 -5.0 8 ----------------- -5.0 -5.0 -5.0 -5.0 9 ----------------- -5.0 -5.0 -5.0 -5.0 10 ----------------- -5.0 -5.0 -5.0 -5.0 11 ----------------- -5.0 -5.0 -5.0 -5.0 12 ----------------- -5.0 -5.0 -5.0 -5.0 13 ----------------- -5.0 -5.0 -5.0 -5.0 14 ----------------- -5.0 -5.0 -5.0 -5.0 15 ----------------- -5.0 -5.0 -5.0 -5.0 16 ----------------- -5.0 -5.0 -5.0 -5.0 17 ----------------- -5.0 -5.0 -5.0 -5.0 18 ----------------- -5.0 -5.0 -5.0 -5.0 19 ----------------- -5.0 -5.0 -5.0 -5.0 20 ----------------- -5.0 -5.0 -5.0 -5.0 21 ----------------- -5.0 -5.0 -5.0 -5.0 22 ----------------- -5.0 -5.0 -5.0 -5.0 23 ----------------- -5.0 -5.0 -5.0 -5.0 24 ----------------- -5.0 -5.0 -5.0 -5.0 25 ----------------- -5.0 -5.0 -5.0 -5.0 26 ----------------- -5.0 -5.0 -5.0 -5.0 27 ----------------- -5.0 -5.0 -5.0 -5.0 28 ----------------- -5.0 -5.0 -5.0 -5.0 29 ----------------- -5.0 -5.0 -5.0 -5.0 30 --------------- -5.0 -5.0 -5.0 -5.0 -5.0 31 --------------- -5.0 --- -5.0 -5.0 -------------------------------------------------------------------------------MEAN --------------- -0.3 -5.0 -5.0 -5.0 -5.0 MAX ----------------- -5.0 -5.0 -5.0 -5.0 MIN --------------- -5.0 -5.0 -5.0 -5.0 -5.0 -----------------------------------------------------------------------------WTR YR 2017 MEAN -1.69 MAX --- MIN -5.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 894 US60 at Gold Canyon, ID #36907 Site Data LOCATION Located near Superstition Mountain Drive and US60 in Gold Canyon DRAINAGE AREA 9.25 mi2 STREAM TYPE Natural wash flows at a culvert JURISDICTION Pinal County, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S07 T1S R9E LATITUDE N 33° 21' 53.5" | +33.36486 LONGITUDE W 111° 28' 32.8" | -111.47579 STREAMGAGE INSTALLATION DATE 05/11/2016 - WY 2016 AVAILABLE PERIOD OF RECORD (POR) 05/11/2016 - Current LENGTH OF AVAILABLE POR DATA 1.39 Years | 508 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.10 feet Gage Height STAFF GAGES None CREST STAGE GAGES None ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,258 cfs | 4.06 feet GH | 08/09/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 895 Watershed Map US60 at Gold Canyon - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 896 2020 Water Year 2025 WY2017 Events Date of Peak 12/22/2016 01/01/2017 01/21/2017 07/10/2017 07/21/2017 07/23/2017 07/24/2017 07/24/2017 07/29/2017 08/01/2017 Peak Gage Height 2.66 0.52 0.44 2.89 1.27 1.32 1.37 3.36 1.54 1.42 Peak Discharge (cfs) 881 67 50 679 104 116 128 900 175 141 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 897 US60 at Gold Canyon, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 4 2 3 4 5 6 7 8 9 10 20 11 3 12 13 14 15 16 17 18 19 20 21 2 22 25 23 2 24 50 25 26 27 28 29 --5 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 25 0 0 0 0 0 0 83 4 0 MEAN 0 0 1 0 0 0 0 0 0 3 0 0 MAX 0 0 580 1 0 0 0 0 0 900 141 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 51 0 0 0 0 0 0 164 7 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 112 MEAN 0 MAX 900 MIN 0 AC_FT 222 FCDMC Annual Surface Water Report, Water Year 2017 Page 898 Vekol Wash, ID #6983 Site Data LOCATION Near I-8 and Vekol Valley Road DRAINAGE AREA 150 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Vekol SECTION/TOWNSHIP/RANGE S03 T7S R1E LATITUDE N 32° 50' 35.3" | +32.84313 LONGITUDE W 112° 15' 07.5" | -112.25207 STREAMGAGE INSTALLATION DATE 03/07/1990 - WY 1990 AVAILABLE PERIOD OF RECORD (POR) 03/07/1990 - Current LENGTH OF AVAILABLE POR DATA 27.57 Years | 10,070 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 3.23 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,719.89 feet NAVD 1988 POINT OF ZERO FLOW 3.0 feet Gage Height EXTREME FOR PERIOD OF RECORD 10,100 cfs | 10.10 feet | 08/27/2010 FCDMC Annual Surface Water Report, Water Year 2017 Page 899 Watershed Map Vekol Wash - water year peaks 12,000 Discharge (cfs) 10,000 8,000 6,000 4,000 2,000 0 1990 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 900 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 07/18/2017 08/02/2017 08/03/2017 Peak Gage Height (feet) 6.22 6.39 5.54 Peak Discharge (cfs) 863 1,004 526 Hydrograph of peak WY 2017 flow event, 08/02/2017 Flood Flow Frequency Flood Flow Frequency N=28, HEC-WRC computation (based on 28 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 918 2,520 4,150 6,190 9,570 12,700 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 901 Vekol Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 52 3 26 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 49 19 67 20 21 22 23 24 25 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 116 79 0 MEAN 0 0 0 0 0 0 0 0 0 4 3 0 MAX 0 0 0 0 0 0 0 0 0 863 1004 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 231 156 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 195 MEAN 1 MAX 1004 MIN 0 AC_FT 386 FCDMC Annual Surface Water Report, Water Year 2017 Page 902 Vineyard FRS, ID #6688 Site Data LOCATION Located south of Apache Junction east of Ironwood Road DRAINAGE AREA 53.7 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Pinal County, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S09 T1S R8E LATITUDE N 33° 21' 03.3" | +33.35091 LONGITUDE W 111° 32' 34.2" | -111.54282 STREAMGAGE INSTALLATION DATE 11/02/1983 - WY 1984 AVAILABLE PERIOD OF RECORD (POR) 11/09/1987 - Current LENGTH OF AVAILABLE POR DATA 29.89 Years | 10,919 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 5 ZERO GAGE HEIGHT ELEVATION 1,564.20 feet NAVD 1988 POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 11.3 feet Gage Height (South Spillway) TOP OF DAM ELEVATION 16.2 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 903 Watershed Map Vineyard FRS - water year peaks Volume (acre-feet) 3,500 3,000 2,500 2,000 1,500 1,000 500 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 904 2000 2005 Axis Title 2010 2015 2020 WY2017 Events* Peak Gage Height Peak Volume (ac-ft) (feet) 12/22/2016 6.18 1,619.8 12/25/2016 2.06 343.9 01/01/2017 2.24 382.5 01/21/2017 2.81 516.1 01/24/2017 1.84 298.0 02/18/2017 0.67 82.8 07/23/2017 3.16 610.1 07/24/2017 9.26 3,225.1 07/29/2017 4.85 1,127.7 08/02/2017 3.13 601.9 08/03/2017 4.20 915.3 08/26/2017 4.10 884.4 *NOTE: Due to construction, peak volumes are greater than actual. Date of Peak Percent Spillway Capacity 34.6 7.6 8.3 11.1 6.6 1.8 13.2 68.9 24.1 13.1 19.6 19.0 Hydrograph of peak WY 2017 impoundment event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 905 Vineyard FRS, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 13 1 2 12 26 3 3 17 4 1 6 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 19 3 20 1 21 29 22 46 12 23 34 6 24 7 3 115 25 14 10 39 26 11 1 1 14 27 3 7 28 2 29 --11 30 --41 31 --------2 -------------------------------------------------------------------------------TOTAL 0 0 115 84 4 0 0 0 0 215 72 0 MEAN 0 0 4 3 0 0 0 0 0 7 2 0 MAX 0 0 134 42 5 0 0 0 0 190 83 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 228 167 8 0 0 0 0 427 143 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 491 MEAN 1 MAX 190 MIN 0 AC_FT 974 FCDMC Annual Surface Water Report, Water Year 2017 Page 906 Vineyard FRS, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 175 12 2 171 331 3 62 223 4 19 102 5 6 7 8 9 10 11 12 13 14 15 16 17 18 15 19 65 20 17 21 374 22 521 174 23 412 8 78 24 113 48 1631 25 196 147 465 26 160 21 24 162 27 63 118 28 54 13 29 --127 30 --484 31 --------33 -------------------------------------------------------------------------------MEAN 0 0 49 39 3 0 0 0 0 92 31 0 MAX 0 0 1620 516 86 0 0 0 0 3225 915 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 18 MAX 3225 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 907 Vineyard FRS, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.2 0.2 0.2 1.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.2 2 0.2 0.2 0.2 1.2 0.2 0.2 0.2 0.2 0.2 0.2 1.9 0.2 3 0.2 0.2 0.2 0.4 0.2 0.2 0.2 0.2 0.2 0.2 1.2 0.2 4 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.7 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 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 19 0.2 0.2 0.2 0.2 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 20 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 21 0.2 0.2 0.2 2.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 22 0.2 0.2 2.3 1.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 23 0.2 0.2 2.2 0.2 0.2 0.2 0.2 0.2 0.2 0.6 0.2 0.2 24 0.2 0.2 0.8 0.5 0.2 0.2 0.2 0.2 0.2 5.7 0.2 0.2 25 0.2 0.2 1.3 1.0 0.2 0.2 0.2 0.2 0.2 2.3 0.2 0.2 26 0.2 0.2 1.1 0.3 0.2 0.2 0.2 0.2 0.2 0.3 0.9 0.2 27 0.2 0.2 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.7 0.2 28 0.2 0.2 0.3 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 0.7 0.2 0.2 30 0.2 0.2 0.2 0.2 --0.2 0.2 0.2 0.2 2.5 0.2 0.2 31 0.2 --0.2 0.2 --0.2 --0.2 --0.4 0.2 -------------------------------------------------------------------------------MEAN 0.2 0.2 0.4 0.4 0.2 0.2 0.2 0.2 0.2 0.6 0.3 0.2 MAX 0.2 0.2 6.2 2.8 0.7 0.2 0.2 0.2 0.2 9.3 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 2017 MEAN 0.28 MAX 9.26 MIN 0.20 FCDMC Annual Surface Water Report, Water Year 2017 Page 908 Vulture Mine Road, ID #5263 Site Data LOCATION At Vulture Mine Road and Steinway Drive DRAINAGE AREA 0.13 mi2 STREAM TYPE Culvert - Natural Stream JURISDICTION Wickenburg, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S15 T7N R5W LATITUDE N 33° 57' 08.4" | +33.95233 LONGITUDE W 112° 46' 18.4" | -112.77179 STREAMGAGE INSTALLATION DATE 10/25/2005 - WY 2006 AVAILABLE PERIOD OF RECORD (POR) 10/25/2005 - Current LENGTH OF AVAILABLE POR DATA 11.93 Years | 4,359 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 0.35 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 1.53 feet Gage Height EXTREME FOR PERIOD OF RECORD 159 cfs | 3.58 feet | 08/03/2014 FCDMC Annual Surface Water Report, Water Year 2017 Page 909 Watershed Map Vulture Mine Road - water year peaks 180 Discharge (cfs) 160 140 120 100 80 60 40 20 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 910 2020 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) ` No flow recorded Hydrograph of peak WY 2017 flow event There was no recorded flow during Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 911 Vulture Mine Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 1 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 2017 TOTAL 1 MEAN 0 MAX 1 MIN 0 AC_FT 2 FCDMC Annual Surface Water Report, Water Year 2017 Page 912 Wagner Wash at Sun Valley Parkway, ID #44707 Site Data LOCATION On Sun Valley Parkway near the Bell Road alignment DRAINAGE AREA 27.7 mi2 STREAM TYPE Culvert - Natural Stream JURISDICTION Buckeye, Arizona WATERSHED Lower Hassayampa SECTION/TOWNSHIP/RANGE S05 T3N R4W LATITUDE N 33° 38' 07.0" | +33.63527 LONGITUDE W 112° 41' 25.9" | -112.69053 STREAMGAGE INSTALLATION DATE 02/16/2017 – WY2017 AVAILABLE PERIOD OF RECORD (POR) 02/16/2017 – Current LENGTH OF AVAILABLE POR DATA 0.62 Years | 227 Days DATA GAPS IN POR None STAGE GAGE TYPE Pressure Transducer STAGE GAGE ELEVATION 0.05 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,434.80 feet NAVD88 POINT OF ZERO FLOW 0.0 feet Gage Height EXTREME FOR PERIOD OF RECORD No Events Recorded Since Installation FCDMC Annual Surface Water Report, Water Year 2017 Page 913 Watershed Map Discharge (cfs) Wagner Wash at SVP - water year peaks 100 90 80 70 60 50 40 30 20 10 0 No runoff events recorded since installation. 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 914 2020 Water Year 2025 WY2017 Events Date of Peak Peak Gage Height Peak Discharge (cfs) ` No flow recorded Hydrograph of peak WY 2017 flow event There was no recorded flow during Water Year 2017. Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 915 Wagner Wash at Sun Valley Parkway, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 916 Waterman Wash at Rainbow Valley Road, ID #6833 Site Data LOCATION At Rainbow Valley Road and Queen Creek Road DRAINAGE AREA 362 mi2 STREAM TYPE Natural Stream JURISDICTION Goodyear, Arizona WATERSHED Waterman SECTION/TOWNSHIP/RANGE S10 T2S R2W LATITUDE N 33° 15' 42.2" | +33.26173 LONGITUDE W 112° 26' 38.5" | -112.44404 STREAMGAGE INSTALLATION DATE 03/18/1999 - WY 1999 AVAIALBLE PERIOD OF RECORD 03/18/1999 - Current LENGTH OF AVAILABLE POR DATA 18.54 Years | 6,772 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 1.00 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,010.26 feet NAVD 1988 POINT OF ZERO FLOW 1.1 feet Gage Height EXTREME FOR PERIOD OF RECORD 5,713 cfs | 10.82 feet | 07/30/2016 FCDMC Annual Surface Water Report, Water Year 2017 Page 917 Watershed Map Waterman Wash at Rainbow Valley Road - water year peaks 6,000 Discharge (cfs) 5,000 4,000 3,000 2,000 1,000 0 1995 2000 FCDMC Annual Surface Water Report, Water Year 2017 Page 918 2005 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/21/2017 08/11/2017 08/12/2017 Peak Gage Height (feet) 1.94 2.22 4.58 4.19 Peak Discharge (cfs) 72 102 594 482 Hydrograph of peak WY 2017 flow event, 08/11/2017 Flood Flow Frequency Flood Flow Frequency N=19, HEC-WRC computation (based on 19 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 692 2,130 3,750 5,910 9,750 13,500 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 919 Waterman Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 1 1 1 3 1 1 1 4 1 1 1 5 1 1 1 6 1 1 1 7 1 1 1 8 1 1 1 9 1 1 1 10 1 1 1 11 1 1 94 12 1 1 79 13 1 1 1 14 1 1 1 15 1 1 1 16 1 1 1 17 1 1 1 18 1 1 1 19 1 1 1 20 1 1 1 21 1 16 1 22 1 3 1 1 23 1 1 1 24 1 1 1 25 1 1 1 26 1 1 1 27 1 1 1 28 1 1 1 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 0 27 3 43 0 0 0 0 0 0 199 0 MEAN 0 1 0 1 0 0 0 0 0 0 6 0 MAX 0 1 72 108 0 0 0 0 0 0 594 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 54 7 84 0 0 0 0 0 0 394 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 272 MEAN 1 MAX 594 MIN 0 AC_FT 540 FCDMC Annual Surface Water Report, Water Year 2017 Page 920 Weekes Wash at Baseline Road, ID #6753 Site Data LOCATION Baseline Road between Idaho and Tomahawk Roads DRAINAGE AREA 11.9 mi2 STREAM TYPE Engineered channel of natural stream JURISDICTION Apache Junction, Arizona WATERSHED Upper East Maricopa Floodway SECTION/TOWNSHIP/RANGE S04 T1S R8E LATITUDE N 33° 22' 43.7" | +33.37881 LONGITUDE W 111° 32' 15.1" | -111.53752 STREAMGAGE INSTALLATION DATE 05/27/2008 - WY 2008 AVAILABLE PERIOD OF RECORD (POR) 05/27/2008 - Current LENGTH OF AVAILABLE POR DATA 9.35 Years | 3,414 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.20 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.00 feet Gage Height EXTREME FOR PERIOD OF RECORD 1,624 cfs | 7.24 feet Gage Height | 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 921 Watershed Map Weekes Wash at Baseline Road - water year peaks 1,800 Discharge (cfs) 1,600 1,400 1,200 1,000 800 600 400 200 0 2005 2010 2015 Water Year FCDMC Annual Surface Water Report, Water Year 2017 Page 922 2020 WY2017 Events Date of Peak 07/21/2017 07/23/2017 07/24/2017 07/29/2017 09/08/2017 Peak Gage Height 1.51 1.46 7.24 0.61 0.74 Peak Discharge (cfs) 126 120 1,624 27 41 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 923 Weekes Wash at Baseline Road, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 2 3 4 5 6 7 8 2 9 10 11 12 13 14 15 16 17 18 19 20 21 --5 22 --23 10 24 144 25 26 27 28 29 --2 30 --31 ---------------------------------------------------------------------------------------TOTAL 0 0 0 0 0 0 0 0 0 161 0 2 MEAN 0 0 0 0 0 0 0 0 0 5 0 0 MAX 0 0 0 0 0 0 0 0 0 1624 0 41 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 0 0 0 0 0 0 0 319 0 5 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 163 MEAN 0 MAX 1624 MIN 0 AC_FT 324 FCDMC Annual Surface Water Report, Water Year 2017 Page 924 White Tanks FRS #3, ID #5418 Site Data LOCATION Located on the eastern foothills of the White Tank Mountains, north of Northern Avenue DRAINAGE AREA 20.5 mi2 STREAM TYPE Impounding of natural drainage JURISDICTION Maricopa County, Arizona WATERSHED White Tanks B SECTION/TOWNSHIP/RANGE S09 T2N R2W LATITUDE N 33° 31' 56.0" | +33.53322 LONGITUDE W 112° 28' 19.2" | -112.47199 STREAMGAGE INSTALLATION DATE 03/12/1986 - WY 1986 AVAIALBLE PERIOD OF RECORD 01/01/1988 - Current LENGTH OF AVAILABLE POR DATA 29.75 Years | 10,866 Days DATA GAPS IN POR 12/14/2005 - 06/18/2008 STAGE GAGE ELEVATION 1.50 feet Gage Height STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,191.00 feet NAVD 1988 POINT OF ZERO FLOW (CONTROLLED) 0.00 feet Gage Height POINT OF ZERO FLOW (CONTROLLED BYPASS 6.0 feet Gage Height OUTLET) POINT OF ZERO FLOW (UNCONTROLLED) 9.0 feet Gage Height (currently blocked) SPILLWAY ELEVATION 21.0 feet Gage Height TOP OF DAM ELEVATION 27.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 925 Watershed Map White Tanks FRS #3 - water year peaks Volume (acre-feet) 700 600 500 400 300 200 100 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 926 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak Peak Gage Height (feet) Peak Volume (ac-ft) No impoundments Hydrograph of peak WY 2017 impoundment event There were no impoundments recorded in Water Year 2017. FCDMC Annual Surface Water Report, Water Year 2017 Page 927 Percent Spillway Capacity White Tanks FRS #3, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 928 White Tanks FRS #3, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 2017 MEAN 0 MAX 0 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 929 White Tanks FRS #3, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 3 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 --4 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 --5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 6 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 --7 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 --8 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 9 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 --10 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 0.0 11 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 12 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 13 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 14 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 15 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 16 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 17 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 18 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 19 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 20 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 21 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 22 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 23 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 24 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 25 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 26 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 27 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 28 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 29 1.5 1.5 1.5 1.5 --1.5 1.5 1.5 1.5 1.5 1.5 1.5 30 1.5 1.5 1.5 1.5 --1.5 1.5 1.5 1.5 1.5 1.5 1.5 31 1.5 --1.5 1.5 --1.5 --1.5 --1.5 1.5 -------------------------------------------------------------------------------MEAN 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 MAX 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 MIN 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 -----------------------------------------------------------------------------WTR YR 2017 MEAN 1.50 MAX 1.50 MIN 1.50 FCDMC Annual Surface Water Report, Water Year 2017 Page 930 White Tanks FRS #4, ID #6823 Site Data LOCATION Located south of I-10 and west of Jackrabbit Trail DRAINAGE AREA 18.6 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Buckeye, Arizona WATERSHED White Tanks B SECTION/TOWNSHIP/RANGE S05 T1N R2W LATITUDE N 33° 27' 05.2" | +33.45145 LONGITUDE W 112° 29' 57.6" | -112.48268 STREAMGAGE INSTALLATION DATE 01/09/1986 - WY 1986 AVAILABLE PERIOD OF RECORD (POR) 10/01/1987 - Current LENGTH OF AVAILABLE POR DATA 30.00 Years | 10,958 Days DATA GAPS IN POR 06/01/2011 - 11/16/2011 STAFF GAGES 0 ZERO GAGE HEIGHT ELEVATION 1,029.00 feet NAVD88 POINT OF ZERO FLOW 0.00 feet Gage Height (gated outlet) SPILLWAY ELEVATION 1,053.00 feet NAVD88 TOP OF DAM ELEVATION 1,059.00 feet NAVD88 NOTE: Reconstruction at dam was completed in June 2017 and outlet and spillway elevations have been updated to reflect the newly rehabilitated structure. FCDMC Annual Surface Water Report, Water Year 2017 Page 931 Watershed Map White Tanks FRS #4 - water year peaks Volume (acre-feet) 700 600 500 400 300 200 100 0 1985 1990 1995 FCDMC Annual Surface Water Report, Water Year 2017 Page 932 2000 2005 Water Year 2010 2015 2020 WY2017 Events Date of Peak 07/17/2017 07/24/2017 08/13/2017 Peak Gage Height (feet) 3.69 5.78 4.29 Peak Volume (ac-ft) 12.4 36.5 18.2 Percent Spillway Capacity 0.9 2.5 1.3 Hydrograph of peak WY 2017 flow event, 07/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 933 White Tanks FRS #4, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 2017 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC_FT 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 934 White Tanks FRS #4, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 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 ------------16 14 --------------11 15 --------------5 16 --------------2 17 --------------11 18 --------------5 19 --------------1 20 --------------21 --------------22 --------------23 --------------24 --------------21 25 ------------26 26 ------------16 27 --------------9 28 ------------3 29 ------------30 ------------31 -----------------------------------------------------------------------------------------------MEAN 0 0 0 ------0 --0 3 1 0 MAX 1 0 0 ------0 --0 36 19 0 MIN 0 0 0 ------0 --0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0 MAX 36 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 935 White Tanks FRS #4, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 0.0 0.0 0.0 ------------0.4 1.1 0.4 2 0.0 0.0 0.0 ------------0.4 1.0 0.4 3 0.0 0.0 0.0 ------------0.4 1.0 0.4 4 0.0 0.0 0.0 ------------0.4 0.9 0.4 5 0.0 0.0 0.0 ------------0.4 0.9 0.4 6 0.0 0.0 0.0 ------------0.4 0.8 0.4 7 0.0 0.0 0.0 ------------0.4 0.8 0.4 8 0.0 0.0 0.0 ------------0.4 0.7 0.4 9 0.0 0.0 0.0 ------------0.4 0.7 0.4 10 0.0 0.0 0.0 ------------0.4 0.7 0.4 11 0.0 0.0 0.0 ------------0.4 0.7 0.4 12 0.0 0.0 0.0 ------------0.4 0.7 0.4 13 0.0 0.0 0.0 ------------0.4 4.0 0.4 14 0.0 0.0 --------------0.4 3.5 0.4 15 0.0 0.0 --------------0.4 2.7 0.4 16 0.0 0.0 --------------0.4 2.1 0.4 17 0.0 0.0 --------------3.5 1.5 0.4 18 0.0 0.0 --------------2.7 1.3 0.4 19 0.0 0.0 --------------1.8 0.9 0.4 20 0.0 0.0 --------------1.2 0.4 0.4 21 0.0 0.0 --------------1.1 0.4 0.4 22 0.0 0.0 --------------1.0 0.4 0.4 23 0.0 0.0 --------------0.9 0.4 0.4 24 0.0 0.0 --------------3.8 0.4 0.4 25 0.0 0.0 --------------5.0 0.4 0.4 26 0.0 0.0 --------------4.1 0.4 0.4 27 0.0 0.0 --------------3.2 0.4 0.4 28 0.0 0.0 ------------0.4 2.4 0.4 0.4 29 0.0 0.0 ------------0.4 1.7 0.4 0.4 30 0.0 0.0 ------------0.4 1.3 0.4 0.4 31 0.0 ----------------1.1 0.4 -------------------------------------------------------------------------------MEAN 0.0 0.0 0.0 ----------0.4 1.3 1.0 0.4 MAX 0.1 0.0 0.0 ----------0.4 5.8 4.4 0.4 MIN 0.0 0.0 0.0 ----------0.4 0.4 0.4 0.4 -----------------------------------------------------------------------------WTR YR 2017 MEAN 0.23 MAX 5.78 MIN 0.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 936 White Tank Outfall Channel, ID #87407 Site Data LOCATION At Jackrabbit Trail and Indian School Road DRAINAGE AREA 26.8 mi2 STREAM TYPE Engineered Channel JURISDICTION Buckeye, Arizona WATERSHED White Tanks B SECTION/TOWNSHIP/RANGE S20 T2N R2W LATITUDE N 33° 29' 38.0" | +33.49389 LONGITUDE W 112° 28' 45.4" | -112.47929 STREAMGAGE INSTALLATION DATE 12/07/2016 – WY2017 AVAIALBLE PERIOD OF RECORD 12/07/2016 - Current LENGTH OF AVAILABLE POR DATA 0.82 Years | 298 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.96 feet Gage Height STAFF GAGES 1 CREST STAGE GAGES 0 ZERO GAGE HEIGHT ELEVATION 0.00 feet Gage Height POINT OF ZERO FLOW 0.96 feet Gage Height EXTREME FOR PERIOD OF RECORD 27 cfs | 1.85 feet | 08/13/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 937 Watershed Map Discharge (cfs) White Tanks Outlet Channel - water year peaks 100 90 80 70 60 50 40 30 20 10 0 2015 FCDMC Annual Surface Water Report, Water Year 2017 Page 938 2020 Water Year 2025 WY2017 Events Date of Peak 01/21/2017 07/17/2017 07/24/2017 08/13/2017 Peak Gage Height (feet) 1.80 1.60 1.50 1.85 Peak Discharge (cfs) 24 16 13 27 Hydrograph of peak WY 2017 flow event, 08/13/2017 Flood Flow Frequency There is not enough data to compute a flood flow frequency for this gage station. FCDMC Annual Surface Water Report, Water Year 2017 Page 939 White Tank Outfall Channel, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 ----1 10 ----11 ----12 ------1 13 ------4 14 ------15 ----16 ------17 ------2 18 ------19 ------20 ----1 --21 ----4 --22 ------23 ----24 ----1 2 25 ----2 26 ----27 ----28 ----29 ------1 30 ------31 -----------------------------------------------------------------------------------------TOTAL ----3 5 0 0 0 0 0 5 5 0 MEAN ----0 0 0 0 0 0 0 0 0 0 MAX ----9 24 0 0 0 0 0 16 27 0 MIN ----0 0 0 0 0 0 0 0 0 0 AC_FT ----6 9 0 0 0 0 0 10 11 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 18 MEAN 0 MAX 27 MIN 0 AC_FT 36 FCDMC Annual Surface Water Report, Water Year 2017 Page 940 Whitlow Ranch Dam, ID #6739 Site Data LOCATION East of Apache Junction near Queen Valley DRAINAGE AREA 143 mi2 STREAM TYPE Dam of natural drainage JURISDICTION Pinal County, Arizona WATERSHED Queen Creek SECTION/TOWNSHIP/RANGE S36 T1S R10E LATITUDE N 33° 17' 56.6" | +33.29906 LONGITUDE W 111° 16' 32.8" | -111.27579 STREAMGAGE INSTALLATION DATE 08/02/2000 - WY 2000 AVAILABLE PERIOD OF RECORD (POR) 08/02/2000 - Current LENGTH OF AVAILABLE POR DATA 17.16 Years | 6,269 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 3.30 feet Gage Height STAFF GAGES 28 ZERO GAGE HEIGHT ELEVATION 2,056.00 feet M.S.L. POINT OF ZERO FLOW 0.00 feet Gage Height SPILLWAY ELEVATION 110.0 feet Gage Height TOP OF DAM ELEVATION 143.0 feet Gage Height FCDMC Annual Surface Water Report, Water Year 2017 Page 941 Watershed Map Whitlow Ranch Dam - water year peaks Volume (acre-feet) 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 942 2010 Water Year 2015 2020 WY2017 Events Date of Peak 12/22/2016 01/24/2017 07/21/2017 07/24/2017 Peak Gage Height (feet) 16.59 25.45 18.26 19.20 Peak Volume (ac-ft) 103 577 151 183 Percent Spillway Capacity 1.1 3.8 1.6 1.9 Hydrograph of peak WY 2017 impoundment event, 01/24/2017 FCDMC Annual Surface Water Report, Water Year 2017 Page 943 Whitlow Ranch Dam, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 341 --2 ----3 ----4 --5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 452 85 22 156 348 115 23 221 330 315 24 479 361 25 434 78 26 6 27 28 29 --30 --31 --40 -------------------------------------------------------------------------------------TOTAL 0 0 417 2039 0 0 0 0 0 955 0 0 MEAN 0 0 13 74 0 0 0 0 0 36 0 0 MAX 0 0 386 486 0 0 0 0 0 422 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 0 0 826 4045 0 0 0 0 0 1894 0 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 3411 MEAN 12 MAX 486 MIN 0 AC_FT 6765 FCDMC Annual Surface Water Report, Water Year 2017 Page 944 Whitlow Ranch Dam, volume data Volume, in acre-feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 28 --2 ----3 ----4 --5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 339 27 22 26 71 19 23 16 54 24 24 517 87 25 266 6 26 1 27 28 29 --30 --31 --3 -------------------------------------------------------------------------------------MEAN 0 0 1 45 0 0 0 0 0 6 0 0 MAX 0 0 103 577 0 0 0 0 0 183 0 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 4 MAX 577 MIN 0 FCDMC Annual Surface Water Report, Water Year 2017 Page 945 Whitlow Ranch Dam, stage data Depth, in feet, Water Year October 2016 to September 2017 Daily Mean Values DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP -----------------------------------------------------------------------------1 13.0 13.0 13.0 13.9 13.0 13.0 13.0 13.0 13.0 --- 13.0 13.0 2 13.0 13.0 13.0 --- 13.0 13.0 13.0 13.0 13.0 --- 13.0 13.0 3 13.0 13.0 13.0 --- 13.0 13.0 13.0 13.0 13.0 --- 13.0 13.0 4 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 --- 13.0 13.0 5 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 6 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 7 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 8 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 9 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 10 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 11 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 12 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 14 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 15 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 16 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 17 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 18 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 19 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 0.0 13.0 13.0 20 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 21 13.0 13.0 13.0 22.0 13.0 13.0 13.0 13.0 13.0 13.9 13.0 13.0 22 13.0 13.0 13.8 15.0 13.0 13.0 13.0 13.0 13.0 13.5 13.0 13.0 23 13.0 13.0 13.0 14.1 13.0 13.0 13.0 13.0 13.0 13.1 13.0 13.0 24 13.0 13.0 13.0 24.7 13.0 13.0 13.0 13.0 13.0 15.7 13.0 13.0 25 13.0 13.0 13.0 20.5 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 26 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 27 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 28 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 29 13.0 13.0 13.0 13.0 --- 13.0 13.0 13.0 13.0 13.0 13.0 13.0 30 13.0 13.0 13.0 13.0 --- 13.0 13.0 13.0 13.0 13.0 13.0 13.0 31 13.0 --- 13.1 13.0 --- 13.0 --- 13.0 --- 13.0 13.0 -------------------------------------------------------------------------------MEAN 13.0 13.0 13.0 14.1 13.0 13.0 13.0 13.0 13.0 13.2 13.0 13.0 MAX 13.0 13.0 16.6 25.4 13.0 13.0 13.0 13.0 13.0 19.2 13.0 13.0 MIN 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 -----------------------------------------------------------------------------WTR YR 2017 MEAN 13.11 MAX 25.45 MIN 13.00 FCDMC Annual Surface Water Report, Water Year 2017 Page 946 Winters Wash, ID #5118 Site Data LOCATION Located north of Camelback Road and west of 395th Avenue DRAINAGE AREA 27.8 mi2 STREAM TYPE Natural Stream JURISDICTION Maricopa County, Arizona WATERSHED Lower Centennial SECTION/TOWNSHIP/RANGE S18 T2N R6W LATITUDE N 33° 30' 31.5" | +33.50876 LONGITUDE W 112° 54' 44.0" | -112.91222 STREAMGAGE INSTALLATION DATE 07/11/2000 - WY 2000 AVAILABLE PERIOD OF RECORD (POR) 07/11/2000 - Current LENGTH OF AVAILABLE POR DATA 17.22 Years | 6,291 Days DATA GAPS IN POR None STAGE GAGE ELEVATION 0.51 feet Gage Height STAFF GAGES 0 CREST STAGE GAGES 1 ZERO GAGE HEIGHT ELEVATION 1,120.00 feet NAVD 1988 POINT OF ZERO FLOW 0.2 feet Gage Height EXTREME FOR PERIOD OF RECORD 510 cfs | 3.30 feet | 07/29/2003 FCDMC Annual Surface Water Report, Water Year 2017 Page 947 Watershed Map Winters Wash - water year peaks 600 Discharge (cfs) 500 400 300 200 100 0 2000 2005 FCDMC Annual Surface Water Report, Water Year 2017 Page 948 2010 Water Year 2015 2020 WY2017 Events Date of Peak 10/13/2016 07/10/2017 07/24/2017 08/03/2017 Peak Gage Height (feet) 0.65 0.84 1.24 0.91 Peak Discharge (cfs) 37 46 84 48 Hydrograph of peak WY 2017 flow event, 07/24/2017 Flood Flow Frequency Flood Flow Frequency N=18, HEC-WRC computation (based on 18 years of data) 2-year 5-year 10-year 20-year 50-year 100-year 175 357 510 679 929 1,140 NOTE: These results are based on very limited data. FCDMC Annual Surface Water Report, Water Year 2017 Page 949 Winters Wash, runoff data Discharge, in cfs, Water Year October 2016 to September 2017 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 3 11 12 13 5 14 15 16 17 18 19 20 21 22 23 24 7 25 11 26 27 28 29 --30 --31 ---------------------------------------------------------------------------------------TOTAL 5 0 0 0 0 0 11 0 0 10 4 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 MAX 37 0 0 0 0 0 48 0 0 84 48 0 MIN 0 0 0 0 0 0 0 0 0 0 0 0 AC_FT 10 0 0 0 0 0 21 0 0 20 7 0 -----------------------------------------------------------------------------WTR YR 2017 TOTAL 30 MEAN 0 MAX 84 MIN 0 AC_FT 59 FCDMC Annual Surface Water Report, Water Year 2017 Page 950 End of Report FCDMC Annual Surface Water Report, Water Year 2017 Page 951