ADOT RECEIVING WATERS Designated Receiving Water Within 1/4 Route ADOT District(s) Receiving Waters Description Pollutants TMDL? Pollutants Uses* Status Mile? Below Whitlow Dam to confluence SR‐24 (802) Central Queen Creek A&We, PBC Unimpaired N ‐‐ ‐‐ ‐‐ w/Gila River Below I‐10 Bridge to COP 23rd Ave SR‐51 Central Salt River A&Ww, PBC, FC Unimpaired N ‐‐ ‐‐ ‐‐ WWTP Suspended Suspended Below Lyman Reservoir to SR‐611 Northeast Little Colorado River A&Wc, FBC, DWS, FC, AgI, AgL Not Attaining N Sediment Y Sediment confluence w/Puerco River Concentration Concentration Headwaters to confluence w/Little Zuni River A&Wc, FBC, FC, AgI, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ Colorado River SR‐641 Northcentral Little Colorado River Navajo Nation A&Ww, FBC, DWS, FC, AgI, AgL** Unimpaired Y ‐‐ ‐‐ ‐‐ Colorado River Lake Powell to Lake Mead A&Wc, FBC, DWS, FC, AgI, AgL Unimpaired N ‐‐ ‐‐ ‐‐ SR‐66 Northwest Truxton Wash Headwaters to Red Lake A&We, PBC Unimpaired Y ‐‐ ‐‐ ‐‐ SR‐671 Northcentral Little Colorado River Lake Powell to Lake Mead A&Wc, FBC, DWS, FC, AgI, AgL Unimpaired N ‐‐ ‐‐ ‐‐ Headwaters to confluence Kanab Creek A&Ww, FBC, DWS, FC, AgI, AgL Impaired N Selenium N ‐‐ W/Colorado River SR‐68 Northwest Colorado River Lake Mead to Topock Marsh A&Wc, FBC, DWS, FC, AgI, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ SR‐691 Northwest Granite Creek Headwaters to Watson Lake A&Wc, FBC, FC, AgI, AgL Not Attaining N E. Coli Y E. Coli Watson Lake 34°34'58"/112°25'26" ‐‐ Not Attaining N TN Y TN A&Ww Not Attaining N DO Y DO A&Ww, FBC, AgI, AgL Not Attaining N pH Y pH ‐‐ Not Attaining N TP Y TP Headwaters to confluence Agua Fria River w/unnamed tributary at A&We, PBC, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ 34°35'14''/112°16'18'' Below unnamed tributary to the SR‐71 Northwest Hassayampa River A&We, PBC, AgL Unimpaired N ‐‐ ‐‐ ‐‐ Buckeye Irrigation Company Canal Alamo Lake 34°14'06"/113°35'00" A&Ww Impaired N Ammonia N ‐‐ FC Impaired N Mercury N ‐‐ FBC, AgL, A&Ww Impaired N pH N ‐‐ SR‐721 Southwest Colorado River Topock Marsh to Morelos Dam A&Ww, FBC, DWS, FC, AgI, AgL Unimpaired N ‐‐ ‐‐ ‐‐ SR‐731 Northeast Roosevelt Lake 33°52'17"/111°00'17" A&Ww, FBC, DWS, FC, AgI, AgL Impaired N Mercury N ‐‐ Below Lake Pleasant to the City of SR‐741 Central Agua Fria River El Mirage WWTP at A&We, PBC, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ 33°34'20"/112°18'32" Below I‐17 to confluence w/Agua New River A&We, PBC, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ Fria River Below unnamed tributary to the Hassayampa River A&We, PBC, AgL Unimpaired N ‐‐ ‐‐ ‐‐ Buckeye Irrigation Company Canal SR‐75 Southeast Gila River New Mexico border to the San A&Ww, FBC, FC, AgI, AgL Not Attaining Y E. coli Y E. coli Carlos Indian Reservation Suspended Suspended Boundary A&Ww, FBC, FC, AgI, AgL Not Attaining Y Sediment Y Sediment Concentration Concentration A&Ww, FBC, FC, AgI, AgL Impaired N Lead N ‐‐ SR‐771 Southcentral, Northeast, Santa Cruz River Agua Nueva WRF outfall to A&Wedw Not Attaining N Ammonia N ‐‐ Southeast Baumgartner Road PBC Impaired N E. coli N ‐‐ From Redington to confluence with San Pedro River A&Ww, FBC, FC, AgL Not Attaining Y E. coli Y E. coli the Gila River Below downstream boundary of Aravaipa Creek Aravaipa Canyon Wilderness Area A&Ww, FBC, FC, AgL Impaired Y E. coli N ‐‐ to confluence w/San Pedro River San Carlos Indian Reservation Gila River boundary to the Ashurst‐Hayden A&Ww, FBC, FC, AgI, AgL Impaired Y Sediment N ‐‐ Dam Roosevelt Lake 33°52'17"/111°00'17" A&Ww, FBC, DWS, FC, AgI, AgL Impaired N Mercury N ‐‐ Suspended Suspended Below Lyman Reservoir to Little Colorado River A&Wc, FBC, DWS, FC, AgI, AgL Not Attaining N Sediment Y Sediment confluence w/Puerco River Concentration Concentration A&Wc, FBC, DWS, FC, AgI, AgL Not Attaining N E. Coli Y E. Coli SR‐78 Southeast Gila River New Mexico border to the San A&Ww, FBC, FC, AgI, AgL Not Attaining N E. coli Y E. coli Carlos Indian Reservation Suspended Suspended Boundary A&Ww, FBC, FC, AgI, AgL Not Attaining N Sediment Y Sediment Concentration Concentration A&Ww, FBC, FC, AgI, AgL Impaired N Lead N ‐‐ SR‐791 Southcentral Santa Cruz River Agua Nueva WRF outfall to A&Wedw Not Attaining N Ammonia N ‐‐ Baumgartner Road PBC Impaired N E. coli N ‐‐ Ashurst‐Hayden Dam to the Town Gila River of Florence WWTP outfall at A&We, PBC, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ 33°02'20''/111°24'19'' Ashurst‐Hayden Dam to the Town SR‐79 Southcentral Gila River of Florence WWTP outfall at A&We, PBC, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ Business 33°02'20''/111°24'19'' Headwaters to the Lavender Pit at SR‐80 Southeast, Southcentral Mule Gulch A&Ww, PBC, FC Impaired Y Copper N ‐‐ 31°26'11"/ 109°54'02" The Lavender Pit to the SR‐80 A&We, PBC Impaired Y Copper N ‐‐ bridge at 31°26'30''/109°49'28'' San Pedro River U.S./ Mexico Border to A&Ww, FBC, FC, AgI, AgL Impaired Y E. coli N ‐‐ Redington A&Ww Impaired N Copper N ‐‐ A&Ww Impaired N DO N ‐‐ Page 1 of 6 ADOT RECEIVING WATERS Designated Receiving Water Within 1/4 Route ADOT District(s) Receiving Waters Description Pollutants TMDL? Pollutants Uses* Status Mile? SR‐821 Southcentral Nogales Wash Headwaters to confluence A&Ww, PBC, FC Impaired Y Ammonia N ‐‐ w/Potrero Creek A&Ww Impaired Y Chlorine N ‐‐ A&Ww Impaired Y Copper N ‐‐ PBC Impaired Y E. coli N ‐‐ U.S./Mexico border to the Nogales Santa Cruz River International WWTP outfall at A&Ww, FBC, DWS, FC, AgI, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ 31°27'25"/110°58'04" Below groundwater upwelling Sonoita Creek A&Ww, FBC, FC, AgI, AgL Impaired Y DO N ‐‐ point to confluence w/Santa Cruz River A&Ww, FBC, FC, AgI, AgL Impaired Y Zinc N ‐‐ Upper Alum Gulch Below 31°29'17''/110°44'25'' to A&We, PBC, AgL Not Attaining Y Cadmium Y Cadmium confluence w/Sonoita Creek A&We, PBC, AgL Not Attaining Y Copper Y Copper A&We, PBC, AgL Not Attaining Y Zinc Y Zinc A&We, PBC, AgL Not Attaining Y pH Y pH 3R Canyon From 31°28'28"/110°47'15" to A&We, PBC, AgL Not Attaining Y Beryllium Y Beryllium confluence w/Sonoita Creek A&We, PBC, AgL Not Attaining Y Cadmium Y Cadmium A&We, PBC, AgL Not Attaining Y Copper Y Copper A&We, PBC, AgL Not Attaining Y Zinc Y Zinc A&We, PBC, AgL Not Attaining Y pH Y pH From confluence w/Gardner Cienega Creek Canyon to USGS gaging station A&Ww, FBC, FC, AgL OAW N ‐‐ ‐‐ ‐‐ (#09484600) San Pedro River U.S./ Mexico Border to A&Ww, FBC, FC, AgI, AgL Impaired Y E. coli N ‐‐ Redington A&Ww Impaired N Copper N ‐‐ A&Ww Impaired N DO N ‐‐ SR‐831 Southcentral Parker Canyon Lake 31°25'35''/110°27'15'' A&Wc, FBC, FC Impaired Y Mercury N ‐‐ Headwaters to confluence w/San Babocomari River A&Ww, FBC, FC, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ Pedro River From confluence w/Gardner Cienega Creek Canyon to USGS gaging station A&Ww, FBC, FC, AgL OAW N ‐‐ ‐‐ ‐‐ (#09484600) Headwaters to unnamed spring at Davidson Canyon A&We, PBC, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ 31°59'00"/110°38'49" From unnamed Spring to confluence w/unnamed tributary A&Ww, FBC, FC, AgL OAW N ‐‐ ‐‐ ‐‐ at 31°59'09"/110°38'44" Below confluence w/unnamed tributary to unnamed spring at A&We, PBC, AgL OAW N ‐‐ ‐‐ ‐‐ 32°00'40"/110°38'36" From unnamed spring to A&Ww, FBC, FC, AgL OAW N ‐‐ ‐‐ ‐‐ confluence w/Cienega Creek SR‐841 Southcentral Gila River GRIC A&We, PBC, AgL** Unimpaired N ‐‐ ‐‐ ‐‐ From the confluence w/Salt River SR‐85 Southcentral, Southwest Gila River A&Wedw, PBC, FC, AgI, AgL Not Attaining Y Selenium Y Selenium to Gillespie Dam Gillespie Dam to confluence A&Ww, FBC, FC, AgI, AgL Unimpaired N ‐‐ ‐‐ ‐‐ w/Painted Rock Dam SR‐86 Southcentral Santa Cruz River Agua Nueva WRF outfall to A&Wedw Not Attaining N Ammonia N ‐‐ Baumgartner Road PBC Impaired N E. coli N ‐‐ Painted Rock Dam to confluence Gila River A&Ww, FBC, FC, AgI, AgL Unimpaired N ‐‐ ‐‐ ‐‐ w/Colorado River SR‐87 Southcentral, Central, Gila River GRIC A&We, PBC, AgL** Unimpaired Y ‐‐ ‐‐ ‐‐ Northcentral, Northeast City of Mesa NW WRF outfall to Salt River A&Wedw, PBC, FC, AgI, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ Tempe Town Lake Below Bartlett Lake Dam to Salt Verde River A&Ww, FBC, DWS, FC, AgI, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ River Below confluence w/Ellison Creek East Verde River A&Ww, FBC, DWS, FC, AgI, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ to confluence w/Verde River Below confluence w/Puerco River Little Colorado River to the Navajo Nation Reservation A&Ww, FBC, DWS, FC, AgI, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ boundary Tonto Creek Below confluence w/unnamed A&Ww, FBC, FC, AgI, AgL Impaired N Mercury N ‐‐ tributary to Roosevelt A&Ww, FBC, FC, AgI, AgL Not Attaining N Nitrogen N ‐‐ Lake A&Ww, FBC, FC, AgI, AgL Not Attaining N E.coli N ‐‐ Theodore Roosevelt Dam to 2 km SR‐88 Central, Southeast Salt River A&Ww, FBC, DWS, FC, AgI, AgL Unimpaired Y ‐‐ ‐‐ ‐‐ below Granite Reef Dam Canyon Lake 33°32'44"/111°26'19" A&Ww, FBC, DWS, FC, AgI, AgL Impaired Y DO N ‐‐ Apache Lake 33°37'23"/111°12'26" A&Ww, FBC, DWS, FC, AgI, AgL Impaired N DO N ‐‐ A&Ww, FBC, DWS, FC, AgI, AgL Impaired N Mercury N ‐‐ Roosevelt Lake 33°52'17"/111°00'17" A&Ww, FBC, DWS, FC, AgI, AgL Impaired Y Mercury N ‐‐ SR‐89 Northwest Hassayampa River Headwaters to confluence A&Wc, FBC, FC, AgI, AgL Not Attaining N Copper Y Copper w/unnamed tributary at A&Wc, FBC, FC, AgI, AgL Not Attaining N Cadmium Y Cadmium 34°26'09''/112°30'32'' A&Wc, FBC, FC, AgI, AgL Not Attaining N Zinc Y Zinc A&Wc, FBC, FC, AgI, AgL Not Attaining N pH N ‐‐ Below confluence w/unnamed tributary to confluence A&Ww, FBC, FC, AgI, AgL Unimpaired N ‐‐ ‐‐ ‐‐ w/unnamed tributary at 33°51'52"/112°39'56" Page 2 of 6 ADOT RECEIVING WATERS Designated Receiving Water Within 1/4 Route ADOT District(s) Receiving Waters Description Pollutants TMDL? Pollutants Uses* Status Mile? SR‐89 Northwest Granite Creek Headwaters to Watson Lake A&Wc, FBC, FC, AgI, AgL Not Attaining Y DO N ‐‐ (cont.) (cont.) A&Wc, FBC, FC, AgI, AgL Impaired Y E.