EPA · discharge permits by state
Discharge permits in Arizona
- 7,318Current permits
- 66Major dischargers
- 242Individual permits
A major discharger is one EPA rates as significant on volume, toxicity or the water it reaches; the rest are minors. An individual permit is written for one operation, while general permit coverage applies a statewide permit to a site that qualifies for it.
This page gathers Arizona’s current permits three ways below — by the program they are issued under, by the city of the discharge, and by watershed. It names 6 programs, 141 cities and 546 watersheds. Each list says which set it covers.
Every permit’s record
Each of the 7,318 current permits in Arizona has a record page: the permittee, the receiving water, the status and dates, and its effluent limits and exceedances. Each city below lists its own; or every permit in Arizona, A to Z.
By what is permitted in Arizona
- Biosolids5
- Construction stormwater676
- Industrial pretreatment5
- Industrial stormwater720
- Large municipal storm sewer systems8
- Publicly owned treatment works91
By city
- UNKNOWN3,733
- PHOENIX703
- TUCSON339
- MESA180
- PARADISE VALLEY169
- SCOTTSDALE132
- GLENDALE85
- TEMPE83
- GOODYEAR77
- FLAGSTAFF62
- GILBERT59
- BUCKEYE54
- CHINLE51
- CHANDLER46
- CASA GRANDE45
- GANADO45
- KAYENTA43
- TUBA CITY42
- DILKON35
- LAKE HAVASU CITY35
- ST MICHAELS34
- KINGMAN33
- YUMA33
- PRESCOTT32
- PEORIA29
- FORT DEFIANCE27
- MARANA27
- APACHE JUNCTION26
- PRESCOTT VALLEY26
- AVONDALE21
- SURPRISE21
- LAVEEN20
- QUEEN CREEK20
- WINSLOW20
- TOLLESON18
- PAGE17
- PARKER17
- BULLHEAD CITY16
- CAMP VERDE16
- COOLIDGE16
- FLORENCE16
- MANY FARMS16
- ORO VALLEY16
- COTTONWOOD14
- LEUPP14
- MARICOPA14
- PINON14
- SIERRA VISTA14
- WINDOW ROCK14
- CAMERON13
- SACATON13
- EL MIRAGE12
- ELOY12
- PAYSON12
- SAHUARITA12
- SUN CITY12
- SUPERIOR12
- FOUNTAIN HILLS11
- INDIAN WELLS11
- SEDONA11
- SHOW LOW11
- GLOBE10
- LUPTON10
- RIO RICO10
- HOUCK9
- LITCHFIELD PARK9
- WILLCOX9
- BISBEE8
- CAVE CREEK8
- FT DEFIANCE8
- GREEN VALLEY8
- MIAMI8
- SAN TAN VALLEY8
- WICKENBURG8
- EHRENBERG7
- GOLD CANYON7
- GRAND CANYON7
- PERIDOT7
- KLAGETOH6
- SAFFORD6
- TONALEA6
- WHITERIVER6
- CLIFTON5
- GOLDEN VALLEY5
- GREASEWOOD5
- JOSEPH CITY5
- KEARNY5
- LUKACHUKAI5
- MAYER5
- ROCK POINT5
- SAN MANUEL5
- SWEETWATER5
- TEEC NOS POS5
- WELLTON5
- WINKELMAN5
- ANTHEM4
- BIRDSPRINGS4
- DEWEY4
- DUNCAN4
- GILA BEND4
- HOLBROOK4
- MOBILE4
- NAVAJO COUNTY4
- OAK SPRINGS4
- PATAGONIA4
- PINE4
- POLACCA4
- QUARTZSITE4
- ROUGH ROCK4
- SAN CARLOS4
- SOMERTON4
- WHEATFIELDS4
- YOUNG4
- BAPCHULE3
- BENSON3
- CLARKDALE3
- COPPERMINE3
- DAVIS MONTHAN AFB3
- DEL MUERTO3
- DENNEHOTSO3
- FOREST LAKE3
- FORT MOHAVE3
- GREER3
- HUACHUCA CITY3
- LECHEE3
- MARBLE CANYON3
- MOHAVE VALLEY3
- MORRISTOWN3
- NAZLINI3
- ORACLE3
- PEACH SPRINGS3
- RED VALLEY3
- SANDERS3
- SAWMILL3
- SNOWFLAKE3
- TONOPAH3
- TSAILE3
- VAIL3
- WIDE RUINS3
- WILLIAMS3
- YUCCA3
The 141 cities with the most permits. All 141 cities in Arizona with 3 or more permits are listed at every city in Arizona.
Watersheds inside Arizona 546
Every watershed with three or more permits in Arizona, most permits first.
- Subbasin 15070102 1,482
- Subbasin 15060106 1,315
- Watershed 1506010603 866
- Subbasin 15050100 832
- Watershed 1507010209 815
- Subbasin 15050301 628
- Subwatershed 150601060305 542
- Watershed 1505030109 467
- Watershed 1505010008 463
- Watershed 1506010602 449
- Subbasin 15070101 325
- Subbasin 15050303 295
- Watershed 1507010102 282
- Subwatershed 150701020909 280
- Watershed 1507010208 265
- Watershed 1507010206 261
- Subbasin 15060202 206
- Subwatershed 150701020908 192
- Subwatershed 150501000808 188
- Subwatershed 150601060306 181
- Subbasin 14080204 163
- Subbasin 15050302 156
- Subwatershed 150701020906 155
- Subwatershed 150601060204 154
- Subwatershed 150701010203 149
- Subwatershed 150601060201 148
- Subwatershed 150503010904 137
- Subbasin 15020015 135
- Subwatershed 150601060304 133
- Subwatershed 150601060202 128
- Watershed 1502001501 125
- Subwatershed 150503010906 125
- Subbasin 15020006 114
- Watershed 1505010011 108
- Watershed 1505030302 108
- Watershed 1505010009 107
- Watershed 1505030202 98
- Subbasin 15030101 94
- Subwatershed 150501000804 91
- Subwatershed 150701010204 88
- Subwatershed 150501000809 87
- Subwatershed 150701020905 86
- Watershed 1506020201 84
- Subwatershed 150503030206 82
- Subbasin 15070103 82
- Subwatershed 150200150104 80
- Subbasin 15060203 79
- Subwatershed 150701020809 79
- Watershed 1505010007 73
- Subwatershed 150503010905 72
- Subwatershed 150701020606 71
- Subwatershed 150701020607 71
- Subwatershed 150701020903 70
- Watershed 1505030301 69
- Watershed 1507010202 69
- Subbasin 15020014 65
- Watershed 1505030107 64
- Watershed 1505030108 63
- Subwatershed 150503010902 63
- Subbasin 15050202 61
- Watershed 1502000606 59
- Watershed 1502001403 59
- Subwatershed 150501000902 59
- Subwatershed 150701020807 59
- Watershed 1505030203 56
- Watershed 1503010107 54
- Watershed 1505030306 54
- Watershed 1506020207 54
- Watershed 1507010207 54
- Subwatershed 150200140305 53
- Subbasin 15020018 52
- Watershed 1505030305 52
- Subbasin 15020011 51
- Watershed 1507010305 51
- Subbasin 15010007 50
- Subwatershed 150503020203 50
- Subwatershed 150701020806 50
- Watershed 1501000702 47
- Watershed 1506020307 47
- Subwatershed 150503010908 46
- Subbasin 15050304 46
- Subbasin 15060103 46
- Subwatershed 150501000709 45
- Subwatershed 150501001103 45
- Subwatershed 150701020605 45
- Subbasin 15020008 44
- Watershed 1505030405 43
- Subwatershed 150100070202 42
- Watershed 1502000603 42
- Subwatershed 150501000803 42
- Watershed 1506020205 42
- Subwatershed 150701020604 41
- Subwatershed 150701020705 41
- Watershed 1408020413 40
- Subwatershed 140802041307 40
- Subbasin 15030108 39
- Watershed 1503010803 39
- Subwatershed 150301080300 39
- Subwatershed 150503030103 39
- Watershed 1502001810 37
- Subwatershed 150200181004 37
- Watershed 1505010010 37
- Subwatershed 150701020808 37
- Watershed 1506010306 36
- Subwatershed 150701020204 35
- Subbasin 15010004 34
- Subwatershed 150200150102 34
- Subwatershed 150701020804 34
- Subwatershed 150200060310 33
- Watershed 1502001103 33
- Subwatershed 150701030503 33
- Watershed 1408020407 31
- Watershed 1503010103 30
- Subwatershed 150503010807 30
- Subwatershed 150501000806 29
- Subwatershed 150503030101 29
- Subbasin 14070006 28
- Watershed 1408020408 28
- Subbasin 15020005 28
- Subbasin 15030103 28
- Subwatershed 150503030605 28
- Subbasin 15070104 28
- Subbasin 15070201 28
- Subwatershed 150200060602 27
- Subbasin 15020016 27
- Subwatershed 150501000903 27
- Subwatershed 150701010202 27
- Subwatershed 150301010707 25
- Subwatershed 150503020307 25
- Subwatershed 150503030506 25
- Subwatershed 150602020107 25
- Subbasin 15040005 24
- Subwatershed 150503040502 24
- Subwatershed 150701020205 24
- Subwatershed 140802040708 23
- Subbasin 15030104 23
- Subwatershed 150503030503 23
- Subwatershed 150602020102 23
- Watershed 1507010101 23
- Subwatershed 150501001109 22
- Subbasin 15060105 22
- Watershed 1506020302 22
- Subwatershed 150501001002 21
- Subbasin 15050203 21
- Subwatershed 150503020205 20
- Subwatershed 150701020603 20
- Subwatershed 140802040801 19
- Watershed 1502000501 19
- Subwatershed 150601060203 19
- Subwatershed 150701010109 19
- Watershed 1408020411 18
- Subwatershed 150501000807 18
- Subwatershed 150602020101 18
- Subwatershed 150602020508 18
- Subwatershed 140802041103 17
- Subwatershed 150200110301 17
- Subbasin 15020013 17
- Subbasin 15030107 17
- Watershed 1503010701 17
- Subbasin 15030203 17
- Watershed 1505010004 17
- Watershed 1506010503 17
- Watershed 1501000405 16
- Watershed 1502000806 16
- Subwatershed 150501001102 16
- Subwatershed 150503020308 16
- Subwatershed 150602020707 16
- Watershed 1507010405 16
- Subwatershed 150301010705 15
- Subwatershed 150501000904 15
- Subbasin 15050201 15
- Subwatershed 150503020206 15
- Subwatershed 150503030604 15
- Subwatershed 150602020704 15
- Watershed 1503010302 14
- Subbasin 15030201 14
- Watershed 1504000507 14
- Subwatershed 150501000402 14
- Subwatershed 150503010805 14
- Subwatershed 150200060601 13
- Watershed 1502000607 13
- Subbasin 15020009 13
- Subbasin 15040002 13
- Watershed 1505020205 13
- Watershed 1505020206 13
- Watershed 1505030103 13
- Subwatershed 150503010705 13
- Subwatershed 150503010707 13
- Subwatershed 150503040507 13
- Subwatershed 150701010201 13
- Subwatershed 150701020602 13
- Subwatershed 150701020902 13
- Subwatershed 150701040508 13
- Subbasin 15080301 13
- Subbasin 15040007 12
- Subwatershed 150501000710 12
- Watershed 1505020202 12
- Subwatershed 150502020202 12
- Subwatershed 150503010704 12
- Subwatershed 150503010903 12
All 546 watersheds in Arizona with 3 or more permits are named on one page at every watershed in Arizona.
Other states
Every state carrying three or more current permits, in alphabetical order.
- Alaska 3,110
- Alabama 13,475
- Arkansas 5,333
- American Samoa 7
- California 3,312
- Colorado 8,712
- Connecticut 1,045
- District of Columbia 309
- Delaware 92
- Florida 23,564
- Georgia 45,725
- Guam 232
- Hawaii 2,939
- Iowa 1,610
- Idaho 4,607
- Illinois 10,926
- Indiana 13,164
- Kansas 5,445
- Kentucky 5,741
- Louisiana 4,455
Permits
Major dischargers first. Not every permit in Arizona is listed here.
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| 24TH STREET WTP | AZ0023426 | PHOENIX | Major | SALT RIVER | |
| 570 ADIT WASTE/TAILINGS SENATOR HIGHWAY | AZ0026514 | UNKNOWN | Major | Groom Creek-Hassayampa River | |
| AGUA NUEVA WRF | AZ0026107 | TUCSON | Publicly owned treatment works | Major | Arroyo Chico-Santa Cruz River |
| ANTHEM WATER CAMPUS WWTP | AZ0025429 | ANTHEM | Major | Deadman Wash | |
| APACHE JUNCTION SEWER DISTRICT WWTP | AZ0023931 | APACHE JUNCTION | Publicly owned treatment works | Major | Siphon Draw |
| APS - WEST PHOENIX POWER PLANT | AZ0023159 | PHOENIX | Major | Town of Santa Maria-Salt River | |
| ARIZONA CITY SANITARY DISTRICT - WWTP | AZ0024244 | ARIZONA CITY | Publicly owned treatment works | Major | Upper Santa Cruz Wash |
| ARIZONA DEPARTMENT OF TRANSPORTATION-MS4 | AZS000018 | UNKNOWN | Large municipal storm sewer systems | Major | Sinclair Wash |
| ASARCO RAY MINE OPERATIONS | AZ0000035 | KEARNY | Major | Upper Mineral Creek | |
| CITY OF AVONDALE - WRF | AZ0023281 | AVONDALE | Publicly owned treatment works | Major | City of Glendale-Agua Fria River |
| CITY OF BENSON - WWTF | AZ0026026 | BENSON | Publicly owned treatment works | Major | Cottonwood Canyon-San Pedro River |
| CITY OF BISBEE - SAN JOSE WWTP | AZ0026077 | BISBEE | Publicly owned treatment works | Major | Upper Greenbush Draw |
| CITY OF BUCKEYE - SUNDANCE WRF | AZ0024881 | BUCKEYE | Publicly owned treatment works | Major | Lum Wash-Gila River |
| CITY OF COTTONWOOD - WWTF | AZ0024716 | COTTONWOOD | Publicly owned treatment works | Major | Mescal Gulch-Verde River |
| CITY OF EL MIRAGE - WWTP | AZ0023272 | EL MIRAGE | Publicly owned treatment works | Major | City of Surprise-Agua Fria River |
| CITY OF GLENDALE MS4 | AZS000019 | UNKNOWN | Large municipal storm sewer systems | Major | Lower Arizona Canal Diversion Channel |
| CITY OF GLOBE - PINAL CREEK WWTP | AZ0020249 | GLOBE | Publicly owned treatment works | Major | Upper Pinal Creek |
| CITY OF GOODYEAR - 157TH AVE WWTP | AZ0022357 | GOODYEAR | Publicly owned treatment works | Major | Town of Goodyear-Gila River |
| CITY OF KINGMAN - HILLTOP WWTP | AZ0025844 | KINGMAN | Publicly owned treatment works | Major | COLORADO RIVER |
| CITY OF LAKE HAVASU CITY - MULBERRY WWTP | AZ0026824 | LAKE HAVASU CITY | Major | ||
| CITY OF MESA - GREENFIELD WATER RECLAMATION PLANT | AZ0025241 | GILBERT | Publicly owned treatment works | Major | Middle Queen Creek (Local Drainage) |
| CITY OF MESA - NORTHWEST WRP | AZ0024031 | MESA | Publicly owned treatment works | Major | Salt River-Tempe Town Lake |
| CITY OF MESA MS4 | AZS000004 | UNKNOWN | Large municipal storm sewer systems | Major | Town of Apache Junction-Roosevelt Canal |
| CITY OF PEORIA - BUTLER DRIVE WRF | AZ0025119 | PEORIA | Publicly owned treatment works | Major | City of Peoria-New River |
| CITY OF PHOENIX - 23RD AVENUE WWTP | AZ0020559 | PHOENIX | Publicly owned treatment works | Major | City of Phoenix-Salt River |
| CITY OF PHOENIX - CAVE CREEK WATER RECLAMATION PLANT | AZ0026727 | PHOENIX | Publicly owned treatment works | Major | Rock Tank-Cave Creek |
| CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT | AZ0023442 | MESA | Major | Salt River-Tempe Town Lake | |
| CITY OF PHOENIX MS4 | AZS000003 | UNKNOWN | Large municipal storm sewer systems | Major | City of Phoenix-Salt River |
| CITY OF SCOTTSDALE MS4 | AZS000020 | UNKNOWN | Large municipal storm sewer systems | Major | Upper Indian Bend Wash |
| CITY OF SOMERTON - WWTP | AZ0026603 | SOMERTON | Publicly owned treatment works | Major | Yuma Valley |
| CITY OF TEMPE MS4 | AZS000005 | UNKNOWN | Large municipal storm sewer systems | Major | City of Phoenix-Salt River |
| CITY OF TOLLESON - WWTP | AZ0020338 | TOLLESON | Publicly owned treatment works | Major | Town of Santa Maria-Salt River |
| CITY OF TUCSON MS4 | AZS000001 | UNKNOWN | Large municipal storm sewer systems | Major | Arroyo Chico-Santa Cruz River |
| CITY OF WINSLOW - WWTP | AZ0026310 | WINSLOW | Publicly owned treatment works | Major | Rincon Basin-Little Colorado River |
| CITY OF YUMA - FIGUEROA AVE WPCF | AZ0020443 | YUMA | Publicly owned treatment works | Major | Bee Wash-Colorado River |
| DEER VALLEY WTP | AZ0023434 | PHOENIX | Major | ARIZONA CANAL | |
| ED PASTOR KINO ENVIRONMENTAL RESTORATION PROJECT | AZ0025291 | TUCSON | Publicly owned treatment works | Major | Arroyo Chico-Santa Cruz River |
| FESTIVAL RANCH WATER RECLAMATION FACILITY | AZ0025216 | BUCKEYE | Publicly owned treatment works | Major | Wagner Wash |
| HASSAYAMPA RANCH WRF | AZ0025453 | TONOPAH | Major | Roberts Well-Hassayampa River | |
| JANUARY ADIT (NORTON MINE) | AZ0026387 | PATAGONIA | Major | Middle Sonoita Creek |