EPA · discharge permits by pollutant and parameter
pH exchange [su]
- 7Permits carrying a limit
- 3With a recorded exceedance
- 1States
EPA identifies this parameter by code 82575. A permit listed here carries a numeric limit on ph exchange [su] in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.
By state
By watershed
The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on ph exchange [su].
Other pollutants
- Hardness, tot calc. [Ca, Mg, Fe] as CaC03 13
- Paraquat 36
- Chromium, hexavalent tot recoverable 3
- Trichlorobenzene 4
- Duration of discharge 35
- Water level relative to mean sea level 67
- Osmotic pressure, total, unf whl wtr 49
- Volatile hydrocarbons 4
- Conductivity, net 6
- Lagoon freeboard 44
- Daily excursion time [min] 13
- Month excursion time [min] 12
- Day - max excursion time [min] 6
- pH range excursions, > 60 minutes 284
- pH range excursions, monthly total accum 297
- pH, in soil 47
- Drilling fluids, free oil 306
- Drilling fluids, discharge rate 284
- Drilling fluids, volume 123
- Drill cuttings, free oil 301
Permits
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| HUNTINGTON INGALLS INCORPORATED - NN SHIPBLDG DIV | VA0004804 | NEWPORT NEWS | VA | Major | JAMES RIVER | |
| US NAVY - NORFOLK NAVAL SHIPYARD | VA0005215 | PORTSMOUTH | VA | Major | Hampton Roads Proper (sub Of Elizabeth R) | |
| PROWOOD LLC - HAMPTON | VA0073555 | HAMPTON | VA | Minor | Elizabeth River - Eastern Branch - FF Portion | |
| US NAVY - NAVAL STATION NORFOLK | VA0004421 | NORFOLK | VA | Minor | Hampton Roads Proper (sub Of Elizabeth R) | |
| ATLANTIC POLE-VIRGINIA LLC | VA0059056 | NEWSOMS | VA | Minor | Lower Nottoway River/Mill Creek | |
| FAIRLEAD INTEGRATED LLC | VA0090778 | PORTSMOUTH | VA | Minor | Hampton Roads Proper (sub Of Elizabeth R) | |
| US NASA - WALLOPS FLIGHT FACILITY - MAIN BASE | VA0024457 | WALLOPS ISLAND | VA | Minor | Chincoteague Bay-Chincoteague Inlet |
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