EPA · discharge permits by pollutant and parameter
Nitrite + Nitrate total [as N]
- 7,134Permits carrying a limit
- 288With a recorded exceedance
- 45States
EPA identifies this parameter by code 00630. A permit listed here carries a numeric limit on nitrite + nitrate total [as n] in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.
By state
- Ohio1,016
- Alabama740
- Pennsylvania598
- Texas490
- Minnesota485
- Indiana417
- Montana341
- Virginia339
- Georgia328
- Florida295
- Kansas263
- Missouri218
- Washington190
- Maryland145
- Arizona138
- Massachusetts124
- Colorado119
- Arkansas96
- North Dakota94
- West Virginia68
- Tennessee62
- Illinois59
- Oregon57
- Wyoming50
- North Carolina47
- California44
- Idaho41
- Louisiana35
- Mississippi30
- Hawaii24
- Puerto Rico23
- New Hampshire21
- Rhode Island17
- New Mexico16
- Nebraska16
- Nevada15
- Utah14
- New York11
- Vermont10
- Maine9
- Wisconsin8
- Guam4
- Kentucky4
- South Dakota3
- Alaska3
By watershed
The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on nitrite + nitrate total [as n].
- Subbasin 02050306105
- Subbasin 0307010392
- Subbasin 1204010479
- Subbasin 0603000278
- Subbasin 0504000171
- Subbasin 0512020167
- Subbasin 0315010662
- Subbasin 0204020361
- Subbasin 0308010358
- Subbasin 0509020256
- Subbasin 0506000153
- Subbasin 0315020249
- Subbasin 0508000247
- Subbasin 0508000144
- Subbasin 0503010143
- Subbasin 0410001143
- Subbasin 0411000243
- Subbasin 0316011142
- Subbasin 0503010341
- Subbasin 0411000339
- Subbasin 0205030539
- Subbasin 1002000839
- Subbasin 1003010138
- Subbasin 0315020138
- Subbasin 0204010636
- Subbasin 0504000235
- Subbasin 0410000735
- Subbasin 0603000134
- Subbasin 0207000834
- Subbasin 0512010134
- Subbasin 0310020633
- Subbasin 0603000533
- Subbasin 0205030332
- Subbasin 0316010931
- Subbasin 0712000431
- Subbasin 0207001030
- Subbasin 1019000330
- Subbasin 0206000329
- Subbasin 0405000128
- Subbasin 0207000428
- Subbasin 1103001328
- Subbasin 0315010728
- Subbasin 0411000128
- Subbasin 1711001327
- Subbasin 1203010227
- Subbasin 0205010727
- Subbasin 0208010427
- Subbasin 0315010427
- Subbasin 0410000426
- Subbasin 0208020826
- Subbasin 1204020426
- Subbasin 0208010325
- Subbasin 0208020625
- Subbasin 0410001225
- Subbasin 0411000424
- Subbasin 0410001024
- Subbasin 0514020224
- Subbasin 0506000223
- Subbasin 0108020123
- Subbasin 0207001123
- Subbasin 1027010422
- Subbasin 0208010622
- Subbasin 0109000422
- Subbasin 0316020422
- Subbasin 0313000222
- Subbasin 0314020122
- Subbasin 0504000322
- Subbasin 0503010622
- Subbasin 1107020721
- Subbasin 0205020621
- Subbasin 1030010121
- Subbasin 0504000620
- Subbasin 1711001920
- Subbasin 0307010220
- Subbasin 0204020120
- Subbasin 0412010120
- Subbasin 0503010220
- Subbasin 0309010120
- Subbasin 1701020420
- Subbasin 0702000420
- Subbasin 1507010220
- Subbasin 0710000119
- Subbasin 0504000519
- Subbasin 1103001219
- Subbasin 0503020419
- Subbasin 0207000519
- Subbasin 0514020119
- Subbasin 0509020119
- Subbasin 0306020418
- Subbasin 0702001218
- Subbasin 0206000618
- Subbasin 1204010218
- Subbasin 1007000418
- Subbasin 1506010618
- Subbasin 0204020218
- Subbasin 0306010418
- Subbasin 0404000118
- Subbasin 0316011317
- Subbasin 0508000317
- Subbasin 0701020617
- Subbasin 0314020217
- Subbasin 0207000917
- Subbasin 0514010117
- Subbasin 1505030117
- Subbasin 0512020417
- Subbasin 0309020617
- Subbasin 1203010316
- Subbasin 0307010516
- Subbasin 1010000416
- Subbasin 0702000516
- Subbasin 1209030116
- Subbasin 0308010216
- Subbasin 0712000115
- Subbasin 0501000715
- Subbasin 1017020415
- Subbasin 1030010215
- Subbasin 2006000015
- Subbasin 0308010115
- Subbasin 0108020215
- Subbasin 0701020415
- Subbasin 1711001215
- Subbasin 0410000915
- Subbasin 0401020115
- Subbasin 0310010115
- Subbasin 0207000615
- Subbasin 0506000315
- Subbasin 0512011114
- Subbasin 0208010514
- Subbasin 0712000614
- Subbasin 0509010114
- Subbasin 0410000614
- Subbasin 0313000614
- Subbasin 0313000314
- Subbasin 0315011014
- Subbasin 0410000814
- Subbasin 0208020314
- Subbasin 0314010614
- Subbasin 0313000414
- Subbasin 0307010614
- Subbasin 0512010814
- Subbasin 1204010114
- Subbasin 1701020514
- Subbasin 1024001114
- Subbasin 0802020414
- Subbasin 1029010114
- Subbasin 0602000214
- Subbasin 0109000313
- Subbasin 0504000413
- Subbasin 0316011213
- Subbasin 1703000313
- Subbasin 0410000313
- Subbasin 1027010213
- Subbasin 0503020113
- Subbasin 1025001713
- Subbasin 1701020113
- Subbasin 0205010613
- Subbasin 1011010113
- Subbasin 0701020513
- Subbasin 0502000513
- Subbasin 1003010213
- Subbasin 1203010513
- Subbasin 1027010313
- Subbasin 0702001113
- Subbasin 1701020813
- Subbasin 0701020712
- Subbasin 0808010312
- Subbasin 0315010912
- Subbasin 1505010012
- Subbasin 1030020012
- Subbasin 0316020312
- Subbasin 0702000812
- Subbasin 0316010612
- Subbasin 1029010212
- Subbasin 0701010412
- Subbasin 0902010412
- Subbasin 0512020712
- Subbasin 0702000712
- Subbasin 0316020511
- Subbasin 0208011111
- Subbasin 0702000911
- Subbasin 1019000211
- Subbasin 0503010511
- Subbasin 0704000211
- Subbasin 1002000711
- Subbasin 1701010111
- Subbasin 0204020511
- Subbasin 0311020211
- Subbasin 0308020111
- Subbasin 1007000711
- Subbasin 1209030211
- Subbasin 0307020111
- Subbasin 1101000211
- Subbasin 0509020311
- Subbasin 0302020111
- Subbasin 0205030411
- Subbasin 0314030410
- Subbasin 0512010610
- Subbasin 0107000610
- Subbasin 0701010310
- Subbasin 0701010810
- Subbasin 0108020410
- Subbasin 0602000110
- Subbasin 1026000810
- Subbasin 1711000210
- Subbasin 0205030110
- Subbasin 0109000110
- Subbasin 1302020310
- Subbasin 0512010710
- Subbasin 1501001510
- Subbasin 1103001810
- Subbasin 1206020210
- Subbasin 0207000210
- Subbasin 1711000410
- Subbasin 0701020310
- Subbasin 0509010310
- Subbasin 070200109
- Subbasin 090100089
- Subbasin 020600029
- Subbasin 071401019
- Subbasin 100200059
- Subbasin 101000019
- Subbasin 120302039
- Subbasin 070400089
- Subbasin 101900079
- Subbasin 020802059
- Subbasin 031300129
- Subbasin 020503029
- Subbasin 020802079
- Subbasin 031602019
- Subbasin 031502039
- Subbasin 121102029
- Subbasin 031200029
- Subbasin 041000059
- Subbasin 051202029
- Subbasin 011000059
- Subbasin 050200069
- Subbasin 210100059
- Subbasin 120200018
- Subbasin 051201038
- Subbasin 050100098
- Subbasin 110100018
- Subbasin 111102038
- Subbasin 071401028
- Subbasin 050302028
- Subbasin 051401048
- Subbasin 010900028
- Subbasin 031002058
- Subbasin 101900058
- Subbasin 031002078
- Subbasin 120402058
- Subbasin 111102078
- Subbasin 030601018
- Subbasin 090201088
- Subbasin 051201048
- Subbasin 051202088
- Subbasin 020600058
- Subbasin 111401018
- Subbasin 170501148
- Subbasin 071401058
- Subbasin 101900048
- Subbasin 170900128
- Subbasin 120402018
- Subbasin 170800058
- Subbasin 070400038
- Subbasin 150701018
- Subbasin 120701048
- Subbasin 100901017
- Subbasin 051202067
- Subbasin 110200037
- Subbasin 020401057
- Subbasin 031002017
- Subbasin 071100047
- Subbasin 050500067
- Subbasin 070200067
- Subbasin 101900127
- Subbasin 071100097
- Subbasin 120602017
- Subbasin 070802017
- Subbasin 070400047
- Subbasin 030602017
- Subbasin 170103057
- Subbasin 110300047
- Subbasin 020801027
- Subbasin 010700057
- Subbasin 051202037
- Subbasin 031601107
- Subbasin 020502047
- Subbasin 100301047
- Subbasin 031601037
- Subbasin 020401046
- Subbasin 060300066
- Subbasin 120904016
- Subbasin 090203036
- Subbasin 070802026
- Subbasin 090203016
- Subbasin 170900076
- Subbasin 110100076
- Subbasin 020802046
- Subbasin 150602026
- Subbasin 090203096
Permits
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| GRANDVIEW POTW | WA0052205 | GRANDVIEW | WA | Publicly owned treatment works | Major | Byron Ponds-Yakima River |
| NAVAL SUPPORT FACILITY, INDIAN HEAD | MD0003158 | INDIAN HEAD | MD | Major | POTOMAC_RIVER - MATTAWOMAN CREEK | |
| PEARL HARBOR NAVAL SHIPYARD & INTERMEDIATE MAINTENANCE FACILITY DRYDOCKS 1-4 | HI0110230 | HONOLULU | HI | Major | PEARL HARBOR | |
| STRUTHERS WWTP | OH0027600 | STRUTHERS | OH | Publicly owned treatment works | Major | Mahoning River |
| CITY OF NEWARK WASTEWATER TREATMENT PLANT | OH0026671 | NEWARK | OH | Publicly owned treatment works | Major | Licking River |
| JOINT VENTURE WWTF | AZ0021415 | PARKER | AZ | Publicly owned treatment works | Major | COLORADO RIVER |
| FRENCHTOWN MILL SITE WWTS | MT0000035 | MISSOULA | MT | Major | CLARK FORK RIVER | |
| DOE RUN CO, WEST FORK | MO0100218 | BUNKER | MO | Industrial stormwater | Major | W. Fk. Black R. |
| PLACER COUNTY SMD NO 1 WWTP | CA0079316 | AUBURN | CA | Publicly owned treatment works | Major | ROCK CREEK |
| BEDFORD WASTEWATER TREATMENT PLANT | OH0024040 | BEDFORD | OH | Publicly owned treatment works | Major | Wood Creek |
| JEFFERSON PLT | PA0000507 | JEFFERSON HILLS | PA | Major | MONONGAHELA RIVER/UNT TO MONONGAHEL | |
| CITY OF WACO MS4 | TXS002001 | WACO | TX | Publicly owned treatment works | Major | Cottonwood Creek-Brazos River |
| PRASA AIBONITO WWTP | PR0025461 | AIBONITO | PR | Publicly owned treatment works | Major | AIBONITO RIVER |
| PRASA COROZAL WWTP | PR0020451 | COROZAL | PR | Publicly owned treatment works | Major | RIO LOS NEGROS |
| CITY OF AUSTIN MS4 | TXS000401 | AUSTIN | TX | Large municipal storm sewer systems | Major | VARIOUS DITCHES AND TRIBUTARIES, LA |
| CAMP BRANCH WATER RECLAMATION FACILITY | AL0074608 | CALERA | AL | Publicly owned treatment works | Major | Camp Branch |
| CLYDE WWTP | OH0024686 | CLYDE | OH | Publicly owned treatment works | Major | Racoon Creek-Frontal Sandusky Bay |
| DECATUR, CITY OF-WASTEWATER TREATMENT PLANT | AR0022292 | DECATUR | AR | Publicly owned treatment works | Major | COLUMBIA HOLLOW CR (aka DECATUR BR),SPAVINAW CR, |
| JASPER WWTF | FL0027880 | JASPER | FL | Publicly owned treatment works | Major | Baisden Swamp Class III Fresh WBID 3358 |
| MILL CREEK WWTP | OH0025461 | CINCINNATI | OH | Publicly owned treatment works | Major | Ohio River |
| LITTLE ROCK, CITY OF/AHTD MS4 | ARS000002 | LITTLE ROCK | AR | Large municipal storm sewer systems | Major | TRIBS,ARKANSAS RV |
| FOUNTAIN/HOLMAN CORRECTIONAL FACILITY | AL0046744 | ATMORE | AL | Publicly owned treatment works | Major | |
| ASHLAND STP | OR0026255 | ASHLAND | OR | Publicly owned treatment works | Major | ASHLAND CREEK |
| CITY OF AMARILLO MS4 | TXS000201 | AMARILLO | TX | Large municipal storm sewer systems | Major | Upper East Amarillo Creek |
| BOISE, CITY OF - LANDER STREET WWTP | ID0020443 | BOISE | ID | Publicly owned treatment works | Major | BOISE RIVER (RIVER MILE 49.7) |
| VILLAGE CREEK WRF | AL0023647 | BIRMINGHAM | AL | Publicly owned treatment works | Major | Little Cahaba River |
| MIDDLE EAST FORK WWTP | OH0049387 | BATAVIA | OH | Publicly owned treatment works | Major | East Fork of Little Miami River |
| CITY OF NORTH LAS VEGAS WATER RECLAMATION FACILITY | NV0023647 | UNINCORPORATED CLARK COUNTY | NV | Publicly owned treatment works | Major | Town of Lovell |
| KC BLUE RIVER WWTP | MO0024911 | KANSAS CITY | MO | Publicly owned treatment works | Major | Tributary to Missouri R. |
| EUFAULA WWTP | AL0061671 | EUFAULA | AL | Publicly owned treatment works | Major | Tobannee Creek-Chattahoochee River |
| BLYTHEVILLE, CITY OF-SOUTH | AR0022578 | BLYTHEVILLE | AR | Publicly owned treatment works | Major | TRIB,DIT #17,DIT #6,DIT #1,ST FRANCIS R |
| SUGARCREEK WRRF | OH0040592 | SPRING VALLEY | OH | Publicly owned treatment works | Major | Little Miami River |
| FLAMINGO WATER RESOURCE CENTER | NV0021261 | LAS VEGAS | NV | Publicly owned treatment works | Major | Duck Creek |
| BOISE, CITY OF - WEST BOISE WWTP | ID0023981 | BOISE | ID | Publicly owned treatment works | Major | BOISE RIVER (RIVER MILE 45.1) |
| EASTERN REGIONAL WATER RECLAMATION FACILITY | OH0026590 | KETTERING | OH | Publicly owned treatment works | Major | Little Beaver Creek |
| RAINSVILLE WWTP | AL0042765 | RAINSVILLE | AL | Publicly owned treatment works | Major | Upper South Sauty Creek |
| NORTH MOBILE COUNTY WPCF | AL0077453 | AXIS | AL | Publicly owned treatment works | Major | MOBILE RIVER |
| CALERA POLLUTION CONTROL PLANT | AL0050938 | CALERA | AL | Publicly owned treatment works | Major | Buxahatchee Creek |
| COUNTY OF KAUAI WAILUA WWTP | HI0020257 | WAILUA | HI | Publicly owned treatment works | Major | PACIFIC OCEANOFFSHORE WAILUA |
| BOONDOCKS COUNTRY WWTF | MO0125989 | MOUNT VERNON | MO | Minor | Williams Cr. |