EPA · discharge permits by pollutant and parameter
Chromium, hexavalent [as Cr]
- 1,004Permits carrying a limit
- 158With a recorded exceedance
- 37States
EPA identifies this parameter by code 01032. A permit listed here carries a numeric limit on chromium, hexavalent [as cr] in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.
By state
- Illinois272
- California165
- West Virginia89
- Connecticut84
- Texas50
- Louisiana31
- Alabama26
- Pennsylvania24
- Puerto Rico22
- New York21
- South Carolina19
- Ohio18
- New Mexico17
- Iowa15
- Hawaii14
- Kentucky14
- Tennessee11
- Washington10
- Michigan9
- Nevada9
- Arizona9
- Arkansas7
- Rhode Island5
- Guam5
- Minnesota5
- Mississippi5
- Virginia5
- North Carolina4
- Georgia4
- Massachusetts3
- Alaska3
- Montana3
- Oregon3
- Oklahoma3
- Wyoming3
- Colorado3
- Utah3
By watershed
The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on chromium, hexavalent [as cr].
- Subbasin 0712000452
- Subbasin 0712000620
- Subbasin 0713000117
- Subbasin 1204010415
- Subbasin 0502000315
- Subbasin 0709000515
- Subbasin 0714010612
- Subbasin 0714020412
- Subbasin 0505000810
- Subbasin 2101000510
- Subbasin 0503010110
- Subbasin 1807010610
- Subbasin 200600009
- Subbasin 150100159
- Subbasin 180702039
- Subbasin 071300039
- Subbasin 071401019
- Subbasin 070900069
- Subbasin 010802058
- Subbasin 071200058
- Subbasin 011000058
- Subbasin 050301068
- Subbasin 050200027
- Subbasin 130202037
- Subbasin 080901007
- Subbasin 071200077
- Subbasin 071100096
- Subbasin 121102026
- Subbasin 071300076
- Subbasin 180101106
- Subbasin 180201265
- Subbasin 071200015
- Subbasin 071200035
- Subbasin 051201115
- Subbasin 050302025
- Subbasin 030501055
- Subbasin 050500065
- Subbasin 050500045
- Subbasin 051201095
- Subbasin 180101025
- Subbasin 050200015
- Subbasin 051402064
- Subbasin 080701004
- Subbasin 070900074
- Subbasin 180400134
- Subbasin 071300054
- Subbasin 071300114
- Subbasin 011000064
- Subbasin 010802074
- Subbasin 180701044
- Subbasin 180201254
- Subbasin 020402034
- Subbasin 120402044
- Subbasin 210100024
- Subbasin 050500024
- Subbasin 180201614
- Subbasin 030501074
- Subbasin 051201144
- Subbasin 210100044
- Subbasin 030601033
- Subbasin 180701023
- Subbasin 051201123
- Subbasin 020301013
- Subbasin 080802063
- Subbasin 030601073
- Subbasin 050902033
- Subbasin 050200053
- Subbasin 070801013
- Subbasin 020402013
- Subbasin 040500063
- Subbasin 140802043
- Subbasin 050500053
- Subbasin 180201633
- Subbasin 071402023
- Subbasin 071401053
- Subbasin 071402033
- Subbasin 180300073
- Subbasin 180500043
- Subbasin 171100023
- Subbasin 180701053
Permits
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| US OIL & REFINING TACOMA | WA0001783 | TACOMA | WA | Major | Hylebos Creek-Frontal Commencement Bay | |
| KANAWHA FALLS PSD | WV0034991 | DEEPWATER | WV | Publicly owned treatment works | Major | KANAWHA RIVER |
| POINT LOMA WWTP | CA0107409 | SAN DIEGO | CA | Publicly owned treatment works | Major | PACIFIC OCEAN |
| SOUTH BAY WRP | CA0109045 | SAN DIEGO | CA | Publicly owned treatment works | Major | Pacific Ocean |
| CITY OF WACO MS4 | TXS002001 | WACO | TX | Publicly owned treatment works | Major | Cottonwood Creek-Brazos River |
| HF SINCLAIR TULSA REFINING, LLC | OK0001309 | TULSA | OK | Major | 120420010010_10 Arkansas R | |
| BLANCHARD REFINING GALVESTON BAY REFINERY | TX0003522 | TEXAS CITY | TX | Major | TEXAS CITY SHIP CH;HURRICANE CANAL | |
| BUCKEYE TEXAS PROCESSING | TX0134694 | CORPUS CHRISTI | TX | Major | CORPUS CHRISTI INNER HARBOR | |
| PEARL HARBOR NAVAL SHIPYARD & INTERMEDIATE MAINTENANCE FACILITY DRYDOCKS 1-4 | HI0110230 | HONOLULU | HI | Major | PEARL HARBOR | |
| OH/ INW/ BH/ NE 001-004 | WV0082759 | MARTINSBURG | WV | Publicly owned treatment works | Major | Opequon Creek |
| ERAMET MARIETTA INC | OH0004006 | MARIETTA | OH | Major | OHIO RIVER | |
| LAWRENCEVILLE STP, CITY OF | IL0029467 | LAWRENCEVILLE | IL | Publicly owned treatment works | Major | EMBARRAS RIVER-WABASH RIVER |
| MARTIN OPERATING PARTNERSHIP, L.P. | AR0000591 | SMACKOVER | AR | Major | SMACKOVER CR,OUACHITA R | |
| NITRO WWTP | WV0023299 | NITRO | WV | Publicly owned treatment works | Major | KANAWHA RIVER/Ohio River |
| EL SEGUNDO REFINERY | CA0000337 | EL SEGUNDO | CA | Major | Pacific Ocean | |
| MARTINEZ REFINING COMPANY LLC | CA0005789 | MARTINEZ | CA | Industrial stormwater | Major | Carquinez Strait, Peyton Slough, Peyton Creek |
| FEDERAL MOGUL CORP-GREENVILLE | MI0002836 | GREENVILLE | MI | Major | Flat River | |
| MASON CITY, CITY OF STP | IA0057169 | MASON CITY | IA | Publicly owned treatment works | Major | Mason Creek-Winnebago River |
| JAMESTOWN WWTF | RI0100366 | JAMESTOWN | RI | Publicly owned treatment works | Major | NARRAGANSETT BAY |
| WYMAN GORDON FORGINGS CYPRESS PLANT | TX0042129 | HOUSTON | TX | Major | UNNAMED DRAINAGE DITCH, HCFCDD U106 | |
| MODESTO WQCF | CA0079103 | MODESTO | CA | Publicly owned treatment works | Major | San Joaquin River |
| PUERTO RICO ELECTRIC PWR AUTH | PR0001031 | TOA BAJA | PR | Major | ENSC DE BOCAVIEJ | |
| LEE LAKE WRF | CA8000100 | CORONA | CA | Publicly owned treatment works | Major | TEMESCAL CREEK, R2 |
| VALERO REFINING CO EAST PLANT | TX0006904 | CORPUS CHRISTI | TX | Major | UNNAMED DRAINAGE DITCH | |
| KANAWHA PUBLIC SERVICE DISTRICT | WV0038776 | CHEYLAN | WV | Publicly owned treatment works | Major | KANAWHA RIVER |
| TRANSALTA CENTRALIA GENERATION LLC | WA0001546 | CENTRALIA | WA | Major | Hanaford Creek | |
| MARATHON PETROLEUM COMPANY, LLC | IL0004073 | ROBINSON | IL | Major | SUGAR CREEK | |
| HUNT REFINING COMPANY - TUSCALOOSA | AL0000973 | TUSCALOOSA | AL | Industrial pretreatment | Major | Jay Creek-Big Creek |
| CITY OF WELCH | WV0024589 | HEMPHILL | WV | Publicly owned treatment works | Major | Tug Fork/Big Sandy River/Ohio River |
| PRASA ARECIBO WWTP | PR0023710 | ARECIBO | PR | Publicly owned treatment works | Major | ATLANTIC OCEAN |
| AMERICAN NICKELOID COMPANY | IL0001724 | PERU | IL | Major | ILLINOIS RIVER | |
| SOUTH SAN LUIS OBISPO SD WWTP | CA0048003 | OCEANO | CA | Publicly owned treatment works | Major | PACIFIC OCEAN |
| PRASA BARCELONETA WWTP | PR0021237 | BARCELONETA | PR | Publicly owned treatment works | Major | ATLANTIC OCEAN |
| BLANCHARD REFINING GALVESTON BAY REFINERY | TX0003697 | TEXAS CITY | TX | Major | TEXAS CITY SHIP CHANNEL | |
| WESTERN RIVERSIDE COUNTY RWWTP | CA8000316 | EASTVALE | CA | Publicly owned treatment works | Major | SANTA ANA RIVER, R3 |
| PRASA CAGUAS WWTP | PR0025976 | CAGUAS | PR | Publicly owned treatment works | Major | BAIROA RIVER |
| BIG SPRING REFINERY | TX0104515 | BIG SPRING | TX | Major | I-20 LAKE BEALS CK;OILFIELD WATERFLOOD OP | |
| CITGO PETROLEUM CORPORATION LEMONT REFINERY | IL0001589 | LEMONT | IL | Major | CHICAGO SANITARY AND SHIP CANAL | |
| INDEPENDENCE CITY OF STP | IA0036510 | INDEPENDENCE | IA | Publicly owned treatment works | Major | Malone Creek-Wapsipinicon River |
| CHAMBERS WORKS | NJ0005100 | PENNSVILLE TWP | NJ | Major | Delaware Bay-Deep |