EPA · Virginia · discharge permits by parameter
pH range excursions, monthly total accum in Virginia
- 9Permits carrying a limit
- 1With a recorded exceedance
- 297Nationwide
Permits
Other parameters in Virginia
- Solids, total suspended3,271
- pH2,420
- Flow, in conduit or thru treatment plant2,259
- BOD, 5-day, 20 deg. C1,112
- Phosphorus, total [as P]1,004
- Nitrogen, total [as N]973
- Oxygen, dissolved [DO]901
- Chlorine, total residual856
- E. coli657
- Zinc, total recoverable483
- Nitrogen, ammonia total [as N]465
- Nitrogen, Kjeldahl, total [as N]463
- Copper, total recoverable445
- Aluminum, total recoverable379
- Iron, total recoverable373
- Nitrite + Nitrate total [as N]339
- Precipitation volume331
- Lead, total recoverable291
- BOD, carbonaceous [5 day, 20 C]224
- Oil & Grease216
- Cadmium, total recoverable212
- Petrol hydrocarbons, total recoverable206
- Chromium, total recoverable206
- Iron, total [as Fe]204
- Solids, settleable191
- Phosphorus, Total As P189
- Nitrogen, Total As N186
- Manganese, total [as Mn]185
- Solids, total dissolved [TDS]138
- Hardness, total [as CaCO3]113
- Temperature, water deg. centigrade108
- Oxygen demand, chem. [low level] [COD]95
- Zinc, total [as Zn]66
- Coliform, fecal general66
- Naphthalene62
- Arsenic, total recoverable60
- Copper, dissolved [as Cu]59
- Silver total recoverable59
- Zinc, dissolved [as Zn]58
- Phenol58
- Enterococci57
- Selenium, total recoverable56
- .alpha.-Terpineol54
- TU Static Renewal 7-Day Chronic Ceriodaphnia dubia54
- p-Cresol54
- Benzoic acids, total54
- TU Static Renewal 7-Day Chronic Pimphales promelas45
- Toluene44
- Mercury, total recoverable43
- Ethylbenzene43
- Benzene43
- Xylene [mix of m+o+p]38
- Chloride [as Cl]36
- Toxicity, final conc toxicity units36
- 1,2-Dichloroethane, total weight35
- Carbon, tot organic [TOC]32
- Methyl tert-butyl ether [MTBE]28
- Solids, total dissolved28
- Nickel, total recoverable28
- Trichloroethylene27