EPA · Alaska · discharge permits by parameter
Chromium, hexavalent [as Cr] in Alaska
- 3Permits carrying a limit
- 1With a recorded exceedance
- 1,004Nationwide
Permits
Other parameters in Alaska
- pH390
- Solids, total suspended357
- Flow, in conduit or thru treatment plant333
- Chlorine, total residual209
- Oxygen, dissolved [DO]208
- BOD, 5-day, 20 deg. C208
- Temperature, water deg. centigrade174
- Nitrogen, ammonia total [as N]165
- Zinc, total recoverable155
- Solids, suspended percent removal154
- BOD, 5-day, percent removal151
- Copper, total recoverable145
- Coliform, fecal general143
- Lead, total recoverable128
- Arsenic, total recoverable118
- Oil & Grease106
- BOD, 5-day92
- Seafood Processing Waste87
- Silver total recoverable87
- Mercury, total recoverable85
- Cadmium, total recoverable85
- Salinity83
- Selenium, total recoverable80
- Nickel, total recoverable79
- Enterococci79
- Seafood production, effluent # day/mo68
- Density63
- E. coli58
- Iron, total recoverable49
- Hydrocarbon, aqueous45
- Hydrocarbons, aromatic43
- Oil and grease visual40
- Turbidity38
- Floating solids, waste or visible foam-visual36
- Oil and grease36
- Solids, settleable35
- Manganese, total recoverable34
- Solids, total dissolved31
- Toxicity, Chronic28
- Flow28
- Nitrite Plus Nitrate Total25
- Aluminum, total recoverable24
- Run time23
- Color [PT-CO units]23
- Coliform, fecal MF, MFC broth, 44.5 C21
- Volume21
- Chemical oxygen demand [COD]21
- Free Oil18
- Drilling fluid, toxicity17
- Drilling fluids, discharge rate17
- Cadmium [Cd], in barite, dry weight16
- Number of Events16
- Mercury [Hg], in barite, dry weight16
- Drilling fluids, free oil16
- Mercury, total [as Hg]15
- Drill cuttings, free oil15
- Flow rate, domestic14
- Sulfate12
- Flow rate, deck drainage12
- BOD, carbonaceous [5 day, 20 C]11