EPA · discharge permits by pollutant and parameter
Flow, in conduit or thru treatment plant
- 40,755Permits carrying a limit
- 5,074With a recorded exceedance
- 56States
EPA identifies this parameter by code 50050. A permit listed here carries a numeric limit on flow, in conduit or thru treatment plant in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.
By state
- Texas4,277
- Missouri3,721
- Alabama2,597
- Illinois2,319
- Virginia2,259
- Kentucky2,115
- Louisiana1,904
- Indiana1,898
- Colorado1,770
- Ohio1,621
- Mississippi1,507
- Tennessee1,398
- Arkansas1,337
- Georgia1,264
- Pennsylvania1,252
- Michigan846
- New York743
- West Virginia636
- South Carolina578
- Minnesota522
- Nebraska520
- Oklahoma481
- Maryland480
- Florida453
- Massachusetts420
- North Carolina345
- Wisconsin335
- Alaska333
- North Dakota329
- Kansas322
- New Jersey305
- Oregon213
- Maine212
- California207
- Vermont166
- Idaho155
- Arizona151
- Puerto Rico144
- New Hampshire132
- Rhode Island87
- New Mexico66
- Washington61
- Utah50
- Montana37
- Hawaii37
- U.S. Virgin Islands29
- Connecticut28
- Iowa27
- Wyoming14
- Guam13
- Nevada11
- District of Columbia8
- Delaware7
- Northern Mariana Islands4
- South Dakota4
- American Samoa3
By watershed
The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on flow, in conduit or thru treatment plant.
- Subbasin 12040104578
- Subbasin 10290109499
- Subbasin 10190003290
- Subbasin 10300102289
- Subbasin 03070103281
- Subbasin 05070202251
- Subbasin 08080103250
- Subbasin 05100205249
- Subbasin 12040102222
- Subbasin 07140101203
- Subbasin 06030002199
- Subbasin 05120201196
- Subbasin 10300200193
- Subbasin 07120004187
- Subbasin 11010001186
- Subbasin 10290110168
- Subbasin 06010205163
- Subbasin 04050001157
- Subbasin 03150106156
- Subbasin 03150201153
- Subbasin 03150202149
- Subbasin 10190005148
- Subbasin 05130101148
- Subbasin 11110207147
- Subbasin 02070010146
- Subbasin 12040204145
- Subbasin 05070203144
- Subbasin 10300101142
- Subbasin 05140101141
- Subbasin 07140102140
- Subbasin 07140106139
- Subbasin 05140102138
- Subbasin 01090001134
- Subbasin 03160111131
- Subbasin 03160112130
- Subbasin 03160204129
- Subbasin 05090203128
- Subbasin 10190002127
- Subbasin 08090302127
- Subbasin 12040101125
- Subbasin 12030102125
- Subbasin 02040203124
- Subbasin 05040001123
- Subbasin 05060001120
- Subbasin 12030103119
- Subbasin 03150104118
- Subbasin 07140103117
- Subbasin 08090301115
- Subbasin 07120001113
- Subbasin 08080206112
- Subbasin 07090005112
- Subbasin 12070104109
- Subbasin 05030101109
- Subbasin 08070202108
- Subbasin 05100101107
- Subbasin 06010206107
- Subbasin 11070207106
- Subbasin 10190007104
- Subbasin 07140104103
- Subbasin 02070005102
- Subbasin 02030202101
- Subbasin 07130001100
- Subbasin 0316010999
- Subbasin 0711000898
- Subbasin 0602000198
- Subbasin 0206000397
- Subbasin 0512010195
- Subbasin 1203010694
- Subbasin 0514020194
- Subbasin 0603000592
- Subbasin 0313000292
- Subbasin 0603000192
- Subbasin 0507020191
- Subbasin 1101000291
- Subbasin 0807020491
- Subbasin 0809020191
- Subbasin 0508000190
- Subbasin 0509020189
- Subbasin 1029010889
- Subbasin 0203010388
- Subbasin 0208020888
- Subbasin 0804020386
- Subbasin 0802020486
- Subbasin 0207000485
- Subbasin 0208020685
- Subbasin 0711000485
- Subbasin 0805000185
- Subbasin 0316020585
- Subbasin 1030010484
- Subbasin 1211020884
- Subbasin 0512010882
- Subbasin 1401000582
- Subbasin 0512020482
- Subbasin 0109000481
- Subbasin 0404000181
- Subbasin 0207000680
- Subbasin 0601010279
- Subbasin 1204020579
- Subbasin 0207001178
- Subbasin 0511000277
- Subbasin 0512011177
- Subbasin 0301010177
- Subbasin 0712000376
- Subbasin 0502000576
- Subbasin 0512020276
- Subbasin 1028010175
- Subbasin 1209030174
- Subbasin 0305010574
- Subbasin 0306010474
- Subbasin 1201000274
- Subbasin 0714010574
- Subbasin 0317000973
- Subbasin 0307010273
- Subbasin 0711000973
- Subbasin 0508000272
- Subbasin 0802020372
- Subbasin 0205030672
- Subbasin 0503010672
- Subbasin 0514020272
- Subbasin 0601020172
- Subbasin 1405000171
- Subbasin 0203010171
- Subbasin 0315010771
- Subbasin 1101000370
- Subbasin 0308010369
- Subbasin 0714020469
- Subbasin 0509020269
- Subbasin 0809010068
- Subbasin 1102000368
- Subbasin 0208010668
- Subbasin 0208010368
- Subbasin 0207000867
- Subbasin 0512010667
- Subbasin 0602000267
- Subbasin 0205030167
- Subbasin 0409000567
- Subbasin 1206020267
- Subbasin 1204010367
- Subbasin 0512020867
- Subbasin 0410001167
- Subbasin 0208010466
- Subbasin 0807010066
- Subbasin 0505000265
- Subbasin 1203010565
- Subbasin 0316011364
- Subbasin 0713000364
- Subbasin 0514010464
- Subbasin 0204020264
- Subbasin 1204020164
- Subbasin 0314020164
- Subbasin 0511000163
- Subbasin 0808010263
- Subbasin 1019000463
- Subbasin 0318000263
- Subbasin 0503020162
- Subbasin 1029011162
- Subbasin 1203020262
- Subbasin 0208020361
- Subbasin 0510020161
- Subbasin 0604000661
- Subbasin 0502000661
- Subbasin 0712000660
- Subbasin 0601010460
- Subbasin 0205010660
- Subbasin 0806020259
- Subbasin 1401000459
- Subbasin 1207020559
- Subbasin 0713000958
- Subbasin 1019000658
- Subbasin 0803020758
- Subbasin 0410000758
- Subbasin 0414020157
- Subbasin 0505000157
- Subbasin 0205010757
- Subbasin 0604000557
- Subbasin 0506000257
- Subbasin 0714010756
- Subbasin 0801020356
- Subbasin 0712000556
- Subbasin 0807030056
- Subbasin 0509010356
- Subbasin 0510010255
- Subbasin 0512010955
- Subbasin 0206000655
- Subbasin 1206020155
- Subbasin 0318000455
- Subbasin 0306020455
- Subbasin 0315011055
- Subbasin 1201000154
- Subbasin 0512011454
- Subbasin 0514020654
- Subbasin 0512020354
- Subbasin 0501000754
- Subbasin 0313000354
- Subbasin 0309020654
- Subbasin 1204020354
- Subbasin 0503010354
- Subbasin 0411000253
- Subbasin 0709000653
- Subbasin 0513020653
- Subbasin 0503020253
- Subbasin 0601020753
- Subbasin 0807020152
- Subbasin 0513010852
- Subbasin 0317000552
- Subbasin 0107000652
- Subbasin 0803020452
- Subbasin 0405000451
- Subbasin 0804010251
- Subbasin 0802020251
- Subbasin 1102000151
- Subbasin 0807020351
- Subbasin 0305010951
- Subbasin 0513010350
- Subbasin 0804020150
- Subbasin 1029010650
- Subbasin 0405000350
- Subbasin 0204010550
- Subbasin 0801010050
- Subbasin 0804010150
- Subbasin 0513020549
- Subbasin 1401000149
- Subbasin 0304010149
- Subbasin 0713000649
- Subbasin 1024001149
- Subbasin 0512011248
- Subbasin 0712000748
- Subbasin 0411000348
- Subbasin 0714020247
- Subbasin 0317000447
- Subbasin 1102000247
- Subbasin 1030010347
- Subbasin 2101000547
- Subbasin 0204020147
- Subbasin 0410001047
- Subbasin 1207010147
- Subbasin 0508000346
- Subbasin 0513020246
- Subbasin 1111020346
- Subbasin 1011010146
- Subbasin 1202000346
- Subbasin 0203010546
- Subbasin 0808020145
- Subbasin 0505000945
- Subbasin 1029020345
- Subbasin 0316010645
- Subbasin 0306010145
- Subbasin 0202000645
- Subbasin 0514010345
- Subbasin 0504000245
- Subbasin 0410000345
- Subbasin 1210020244
- Subbasin 0207000944
- Subbasin 0807020544
- Subbasin 0203010444
- Subbasin 0208020444
- Subbasin 0106000344
- Subbasin 0713001143
- Subbasin 0513020143
- Subbasin 0511000543
- Subbasin 0405000643
- Subbasin 1210020343
- Subbasin 0713000543
- Subbasin 1401000343
- Subbasin 1203010943
- Subbasin 0108020143
- Subbasin 0712000242
- Subbasin 1101000742
- Subbasin 0306020142
- Subbasin 0208020742
- Subbasin 0207000242
- Subbasin 0301020142
- Subbasin 0205030542
- Subbasin 0604000142
- Subbasin 0208020142
- Subbasin 0305020142
- Subbasin 1020020342
- Subbasin 0316010141
- Subbasin 0713000241
- Subbasin 0313000641
- Subbasin 0708010441
- Subbasin 1203010141
- Subbasin 1114010941
- Subbasin 0512010341
- Subbasin 0513020340
- Subbasin 1203010440
- Subbasin 1201000540
- Subbasin 1024001240
- Subbasin 1114010140
- Subbasin 1114020340
- Subbasin 1029020140
- Subbasin 0809020339
- Subbasin 0315010939
- Subbasin 0313000439
- Subbasin 0806010039
- Subbasin 0205020139
- Subbasin 0601010139
- Subbasin 0804010339
- Subbasin 0802040238
- Subbasin 0603000338
Permits
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| TRIDENT SEAFOODS AKUTAN SHORE PLANT | AK0037303 | AKUTAN | AK | Major | ||
| BUCHANAN NO. 1 MINE | VAM080047 | KEEN MOUNTAIN | VA | Major | Garden Creek | |
| SCPSA (SANTEE COOPER)/CROSS GENERATING STATION | SC0037401 | PINEVILLE | SC | Major | Lake Moultrie | |
| HILTON HEAD NO 1 PSD WWTP | SC0046191 | HILTON HEAD, SC 29925 | SC | Publicly owned treatment works | Major | Broad River-Port Royal Sound |
| WI ELECTRIC POWER CO OAK CREEK | WI0000914 | OAK CREEK | WI | Major | L MICHIGAN | |
| JEWETT LIGNITE SURFACE MINE | TX0086541 | JEWETT | TX | Major | LAMB CK;UNNAMED TIRB;MINE CK;RED HOLLOW CK | |
| ALTIVIA SERVICES, LLC | WV0000086 | INSTITUTE | WV | Major | KANAWHA RIVER | |
| US DEPARTMENT OF ENERGY - OAK RIDGE Y-12 NATIONAL SECURITY COMPLEX | TN0002968 | OAK RIDGE | TN | Industrial stormwater | Major | USDOE OAK RIDGE |
| DOMINION ENERGY SOUTH CAROLINA, INC./WATEREE STATION | SC0002038 | EASTOVER | SC | Major | Wateree River | |
| DTE RIVER ROUGE PLT | MI0001724 | RIVER ROUGE | MI | Major | Huntington Creek-Frontal Lake Erie | |
| PUERTO RICO ELECTRIC PWR AUTH | PR0000698 | SAN JUAN | PR | Major | BAHIA SAN JUAN | |
| AGINGAN STP | MP0020028 | SAIPAN | MP | Publicly owned treatment works | Major | PACIFIC OCEAN |
| POINT LOMA WWTP | CA0107409 | SAN DIEGO | CA | Publicly owned treatment works | Major | PACIFIC OCEAN |
| PUERTO RICO ELECTRIC PWR AUTH | PR0001660 | SALINAS | PR | Major | BAHIA JOBOS | |
| BUCKEYE TEXAS PROCESSING | TX0134694 | CORPUS CHRISTI | TX | Major | CORPUS CHRISTI INNER HARBOR | |
| SADOG TASI WWTP | MP0020010 | SAIPAN | MP | Publicly owned treatment works | Major | TANAPAG HARBOR PUERTO RICO INDUSTRI |
| CLEVELAND-CLIFFS STEEL CORPORATION-DEARBORN WORKS | MI0043524 | DEARBORN | MI | Major | Woodmere Cemetery-River Rouge | |
| SAGINAW WWTP | MI0025577 | SAGINAW | MI | Publicly owned treatment works | Major | Saginaw River |
| DTE-ST CLAIR PLANT | MI0001686 | EAST CHINA, | MI | Major | St Clair River | |
| ARROYO AQUACULTURE WWTF | TX0103811 | CAMERON COUNTY | TX | Major | Laguna Atascosa | |
| ANMOORE FACILITY | WV0004707 | ANMOORE, WV | WV | Major | ANMOORE RUN/ UNNAMED TRIBUTARY | |
| SCPSA (SANTEE COOPER)/WINYAH GENERATING STATION | SC0022471 | GEORGETOWN | SC | Major | Pennyroyal Creek | |
| ANGUILLA WASTEWATER TREATMENT FACILITY | VI0020036 | ST.CROIX | VI | Publicly owned treatment works | Major | CARIBBEAN SEA |
| IP SPRINGFIELD PAPER MILL | OR0000515 | SPRINGFIELD | OR | Major | MCKENZIE RIVER | |
| NAVAL SUPPORT FACILITY, INDIAN HEAD | MD0003158 | INDIAN HEAD | MD | Major | POTOMAC_RIVER - MATTAWOMAN CREEK | |
| ND PAPER INC- RUMFORD DIVISION | ME0002054 | RUMFORD | ME | Major | Androscoggin River | |
| NEWPAGE CORPORATION - WATER QUALITY CENTER | WI0037991 | WISCONSIN RAPIDS | WI | Major | WISCONSIN R AND | |
| JOINT VENTURE WWTF | AZ0021415 | PARKER | AZ | Publicly owned treatment works | Major | COLORADO RIVER |
| XCEL - RIVERSIDE GENERATING PLANT | MN0000892 | MINNEAPOLIS | MN | Major | Saint Anthony Falls-Mississippi River | |
| DYNO NOBEL - CARTHAGE | MO0002402 | CARTHAGE | MO | Industrial stormwater | Major | Tributary to Center Cr. |
| SOUTH BAY WRP | CA0109045 | SAN DIEGO | CA | Publicly owned treatment works | Major | Pacific Ocean |
| CITY OF LA JOYA WWTP | TX0127337 | LA JOYA | TX | Publicly owned treatment works | Major | Rio Grande Below Falcon Reservoir |
| CLARKSBURG SANITARY BOARD | WV0023302 | CLARKSBURG | WV | Publicly owned treatment works | Major | WEST FORK RIVER |
| PRASA CAROLINA WWTP | PR0023752 | SAN JUAN | PR | Publicly owned treatment works | Major | ATLANTIC OCEAN |
| SUMMERVILLE, CITY OF (SUMMERVILLE WPCP) | GA0025704 | SUMMERVILLE | GA | Publicly owned treatment works | Major | Upper Euharlee Creek |
| WASHINGTON WORKS | WV0001279 | WASHINGTON | WV | Major | OHIO RIVER | |
| APPLIED PARTNERS, INC. | WV0000779 | MILLWOOD | WV | Major | OHIO RIVER | |
| ALMATIS BURNSIDE LLC | LA0005606 | BURNSIDE | LA | Major | SEG 070301 MISSISSIPPI RIVER | |
| RESURRECTION MINING, LLC | NM0028169 | SARQUEZ | NM | Major | UNNAMED ARROYO/CANON DE PIOJO | |
| BOONDOCKS COUNTRY WWTF | MO0125989 | MOUNT VERNON | MO | Minor | Williams Cr. |