EPA · discharge permits by pollutant and parameter
Silver, total [as Ag]
- 4,111Permits carrying a limit
- 152With a recorded exceedance
- 37States
EPA identifies this parameter by code 01077. A permit listed here carries a numeric limit on silver, total [as ag] in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.
By state
- Texas2,875
- Illinois243
- Connecticut141
- Colorado90
- Alabama76
- New York62
- Louisiana53
- North Dakota50
- Nebraska49
- Washington47
- West Virginia41
- Utah40
- Georgia40
- South Dakota34
- Maryland30
- Pennsylvania29
- Puerto Rico24
- Michigan21
- Nevada20
- Montana20
- Tennessee19
- Iowa19
- Oklahoma10
- New Jersey10
- North Carolina7
- Massachusetts6
- Rhode Island5
- New Mexico5
- Arizona5
- Minnesota5
- Ohio4
- Oregon4
- Maine4
- Idaho4
- South Carolina3
- Missouri3
- Vermont3
By watershed
The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on silver, total [as ag].
- Subbasin 12040104386
- Subbasin 12030102161
- Subbasin 12040204122
- Subbasin 12030105111
- Subbasin 12030103108
- Subbasin 1204010278
- Subbasin 1203010674
- Subbasin 1207020562
- Subbasin 1204010160
- Subbasin 1206020258
- Subbasin 1207010455
- Subbasin 1211020855
- Subbasin 1209030153
- Subbasin 0712000451
- Subbasin 1209020550
- Subbasin 1210030250
- Subbasin 1204020141
- Subbasin 1210030140
- Subbasin 1201000240
- Subbasin 1210020336
- Subbasin 1210020235
- Subbasin 1206020134
- Subbasin 1203010434
- Subbasin 1203010931
- Subbasin 1207010131
- Subbasin 1204020529
- Subbasin 1204020329
- Subbasin 1203010128
- Subbasin 1211020228
- Subbasin 1210030426
- Subbasin 1201000125
- Subbasin 1204010325
- Subbasin 1207020123
- Subbasin 1202000123
- Subbasin 1114010123
- Subbasin 1202000521
- Subbasin 1203010721
- Subbasin 0712000620
- Subbasin 1208000520
- Subbasin 0203020219
- Subbasin 1114030218
- Subbasin 1209040118
- Subbasin 1207020317
- Subbasin 1206010217
- Subbasin 1203020317
- Subbasin 1207010317
- Subbasin 1209030216
- Subbasin 0713000116
- Subbasin 1308000216
- Subbasin 1202000316
- Subbasin 1711001315
- Subbasin 1109010514
- Subbasin 1501001514
- Subbasin 1019000313
- Subbasin 1210020413
- Subbasin 1202000413
- Subbasin 1203020213
- Subbasin 0110000512
- Subbasin 1205000312
- Subbasin 1114030511
- Subbasin 1109010611
- Subbasin 0714020411
- Subbasin 1201000511
- Subbasin 1210020110
- Subbasin 1602020410
- Subbasin 1209020610
- Subbasin 1209020110
- Subbasin 1209010710
- Subbasin 120602049
- Subbasin 050200039
- Subbasin 120302019
- Subbasin 071401069
- Subbasin 130800019
- Subbasin 111403069
- Subbasin 120200029
- Subbasin 020301019
- Subbasin 130401009
- Subbasin 010802058
- Subbasin 121003038
- Subbasin 070900058
- Subbasin 130900018
- Subbasin 120602038
- Subbasin 020600038
- Subbasin 121101107
- Subbasin 071300037
- Subbasin 070900067
- Subbasin 120701027
- Subbasin 111302067
- Subbasin 120601057
- Subbasin 121101117
- Subbasin 071200057
- Subbasin 060102077
- Subbasin 121004027
- Subbasin 120800077
- Subbasin 120500017
- Subbasin 120100047
- Subbasin 080901007
- Subbasin 071401017
- Subbasin 120901026
- Subbasin 120200066
- Subbasin 120904026
- Subbasin 111201016
- Subbasin 130700016
- Subbasin 171100196
- Subbasin 121004056
- Subbasin 080801036
- Subbasin 111403046
- Subbasin 011000066
- Subbasin 111403036
- Subbasin 120902046
- Subbasin 071200076
- Subbasin 090202046
- Subbasin 121004076
- Subbasin 071200036
- Subbasin 120901096
- Subbasin 120800046
- Subbasin 160201026
- Subbasin 102300065
- Subbasin 111403075
- Subbasin 051402065
- Subbasin 071300075
- Subbasin 171100125
- Subbasin 121001025
- Subbasin 120601035
- Subbasin 140100025
- Subbasin 101301015
- Subbasin 210100055
- Subbasin 171100045
- Subbasin 121102055
- Subbasin 080701005
- Subbasin 041201045
- Subbasin 071200015
- Subbasin 120402025
- Subbasin 120200075
- Subbasin 120800025
- Subbasin 121101065
- Subbasin 020301045
- Subbasin 020200084
- Subbasin 111201034
- Subbasin 020402014
- Subbasin 121102014
- Subbasin 010900044
- Subbasin 111001044
- Subbasin 080903014
- Subbasin 070900074
- Subbasin 101900024
- Subbasin 050301014
- Subbasin 102500034
- Subbasin 050200054
- Subbasin 111403014
- Subbasin 130403014
- Subbasin 020700084
- Subbasin 210100024
- Subbasin 130100024
- Subbasin 050200014
- Subbasin 210100044
- Subbasin 071100094
- Subbasin 130700074
- Subbasin 051201114
- Subbasin 121101074
- Subbasin 160202014
- Subbasin 080903023
- Subbasin 121001013
- Subbasin 090201053
- Subbasin 120500023
- Subbasin 101900043
- Subbasin 020700103
- Subbasin 101302013
- Subbasin 120901053
- Subbasin 071401053
- Subbasin 120901043
- Subbasin 111203023
- Subbasin 031501043
- Subbasin 070802043
- Subbasin 110200113
- Subbasin 101900013
- Subbasin 020503063
- Subbasin 020503053
- Subbasin 111302103
- Subbasin 111201053
- Subbasin 051201093
- Subbasin 040900043
- Subbasin 140100053
- Subbasin 140600073
- Subbasin 020302033
- Subbasin 080902033
- Subbasin 020700013
- Subbasin 120901083
- Subbasin 121102043
- Subbasin 020402033
- Subbasin 111001033
- Subbasin 070802063
- Subbasin 080802063
- Subbasin 010802073
- Subbasin 120800013
- Subbasin 050500063
- Subbasin 050200063
- Subbasin 080702023
- Subbasin 051201143
- Subbasin 020200073
- Subbasin 102001013
- Subbasin 140100013
- Subbasin 050500023
- Subbasin 070801043
- Subbasin 120901063
- Subbasin 170102023
- Subbasin 121102073
- Subbasin 111302073
Permits
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| SUMMIT CORPORATION OF AMERICA | CT0001180 | THOMASTON | CT | Major | NAUGATUCK RIVER | |
| CITY OF WACO MS4 | TXS002001 | WACO | TX | Publicly owned treatment works | Major | Cottonwood Creek-Brazos River |
| PUERTO RICO ELECTRIC PWR AUTH | PR0001660 | SALINAS | PR | Major | BAHIA JOBOS | |
| CLEVELAND-CLIFFS STEEL CORPORATION-DEARBORN WORKS | MI0043524 | DEARBORN | MI | Major | Woodmere Cemetery-River Rouge | |
| JOINT BASE PEARL HARBOR-HICKAM WASTEWATER TREATMENT PLANT | HI0110086 | PEARL HARBOR | HI | Major | PACIFIC OCEAN | |
| CITY OF AUSTIN MS4 | TXS000401 | AUSTIN | TX | Large municipal storm sewer systems | Major | VARIOUS DITCHES AND TRIBUTARIES, LA |
| OH/ INW/ BH/ NE 001-004 | WV0082759 | MARTINSBURG | WV | Publicly owned treatment works | Major | Opequon Creek |
| CITY OF LAREDO MS4 | TXS001401 | LAREDO | TX | Large municipal storm sewer systems | Major | Zacata Creek-Rio Grande |
| PRASA PONCE WWTP | PR0021563 | PONCE | PR | Publicly owned treatment works | Major | CARIBBEAN SEA |
| US DEPARTMENT OF ENERGY - OAK RIDGE Y-12 NATIONAL SECURITY COMPLEX | TN0002968 | OAK RIDGE | TN | Industrial stormwater | Major | USDOE OAK RIDGE |
| PRASA CAROLINA WWTP | PR0023752 | SAN JUAN | PR | Publicly owned treatment works | Major | ATLANTIC OCEAN |
| FARMINGTON WWTF | ME0101249 | FARMINGTON | ME | Publicly owned treatment works | Major | Sandy River |
| ST MARTINVILLE CITY OF - STP | LA0040941 | ST. MARTINVILLE | LA | Publicly owned treatment works | Major | CYPRESS ISLAND COULEE |
| ST. MARTIN AQUACULTURE SEAFOOD | TX0113379 | CALHOUN COUNTY | TX | Major | DRAINAGE DITCH; PIPER LAKES | |
| CITY OF PASADENA MS4 | TXS001701 | PASADENA | TX | Large municipal storm sewer systems | Major | VARIOUS DITCHED, HOUSTON SHIP CHANN |
| PENUELAS TECHNOLOGY PARK, LLC | PR0000418 | PEÑUELAS | PR | Major | BAHIA TALLABOA | |
| PG AND E DIABLO CANYON POWER PLANT | CA0003751 | AVILA BEACH | CA | Industrial stormwater | Major | PACIFIC OCEAN |
| VOPAK LOGISTICS DEER PARK PLANT | TX0030937 | DEER PARK | TX | Major | HOUSTON SHIP CHANNEL TIDAL | |
| WOODLAND PULP LLC | ME0001872 | BAILEYVILLE | ME | Major | St Croix River | |
| PRASA BARCELONETA WWTP | PR0021237 | BARCELONETA | PR | Publicly owned treatment works | Major | ATLANTIC OCEAN |
| POTEAU, CITY OF | OK0021610 | POTEAU | OK | Publicly owned treatment works | Major | 220100010010_30 Poteau River |
| PRASA CAMUY-HATILLO WWTP | PR0023744 | CAMUY | PR | Publicly owned treatment works | Major | ATLANTIC OCEAN |
| CEDAR RAPIDS CITY OF STP | IA0042641 | CEDAR RAPIDS | IA | Publicly owned treatment works | Major | Pleasant Run-Cedar River |
| CITY OF MOUNDSVILLE | WV0023264 | MOUNDSVILLE | WV | Publicly owned treatment works | Major | OHIO RIVER |
| PRASA CAYEY WWTP | PR0025356 | BO.RINCON OF CIDRA | PR | Publicly owned treatment works | Major | LA PLATA RIVER |
| IOWA ARMY AMMUNITION PLANT | IA0022144 | MIDDLETOWN | IA | Major | Spring Creek | |
| CITY OF WELCH | WV0024589 | HEMPHILL | WV | Publicly owned treatment works | Major | Tug Fork/Big Sandy River/Ohio River |
| CITY OF GRAFTON | WV0021822 | GRAFTON | WV | Publicly owned treatment works | Major | Tygart Valley River/Monongahela River |
| RONALD R COLLINS WATER RECLAMATION FACILITY | TX0126098 | NEW BOSTON | TX | Publicly owned treatment works | Major | EAST FORK ELLIOT CREEK |
| PRASA ARECIBO WWTP | PR0023710 | ARECIBO | PR | Publicly owned treatment works | Major | ATLANTIC OCEAN |
| BRIDGEPORT WESTSIDE WPCA | CT0100056 | BRIDGEPORT | CT | Publicly owned treatment works | Major | CEDAR CREEK/LONG ISLAND SOUND |
| BEULAH CITY OF | ND0021211 | BEULAH | ND | Publicly owned treatment works | Major | Knife |
| BACARDI CORPORATION | PR0000591 | CATANO | PR | Major | Atlantic Ocean | |
| UNIVERSITY OF TEXAS AT AUSTIN MS4 | TXS000403 | AUSTIN | TX | Large municipal storm sewer systems | Major | VARIOUS DITCHES AND TRIBUTARIES |
| KINGS CREEK WWTP | TX0022527 | TERRELL | TX | Publicly owned treatment works | Major | KINGS CREEK/CEDAR CREEK RESERVOIR |
| CLEAN HARBORS DEER PARK FACILITY | TX0005941 | DEER PARK | TX | Major | TUCKER BAYOU, HOUSTON SHIP CHANNEL | |
| ST GEORGE CITY CORPORATION | UT0024686 | SAINT GEORGE | UT | Publicly owned treatment works | Major | VIRGIN RIVER |
| OSSINING SANITARY SD WWTP | NY0108324 | OSSINING | NY | Publicly owned treatment works | Major | HUDSON R |
| AMERICAN NICKELOID COMPANY | IL0001724 | PERU | IL | Major | ILLINOIS RIVER | |
| PRASA AGUADILLA WWTP | PR0023736 | AGUADILLA | PR | Publicly owned treatment works | Major | OCEANO ACLANTICO |