EPA · Alaska · discharge permits by parameter

pH range excursions, monthly total accum in Alaska

• 3Permits carrying a limit
• 1With a recorded exceedance
• 297Nationwide

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

pH range excursions, monthly total accum nationwide