EPA · Connecticut · discharge permits by parameter
Chemical Oxygen Demand [COD] in Connecticut
- 218Permits carrying a limit
- 1With a recorded exceedance
- 4,700Nationwide
Permits
Other parameters in Connecticut
- pH680
- Solids, total suspended526
- Nitrogen, Kjeldahl, total [as N]335
- Flow rate324
- NOAEL Static 48Hr Acute D. pulex311
- Oil & Grease306
- Copper, total [as Cu]287
- Flow, maximum during 24 hr period284
- Zinc, total [as Zn]283
- Flow282
- Lead, total [as Pb]263
- Hardness, total [as CaCO3]225
- Nitrogen, ammonia total [as N]217
- LC50 Static 48Hr Acute D. Pulex215
- Conductivity198
- %Surv Static 48Hr Acute Daphnia Pulex198
- Phosphorous, total recoverable196
- Zinc, total recoverable196
- Nitrogen, nitrate total [as NO3]196
- Lead, total recoverable196
- Copper, total recoverable196
- Nickel, total [as Ni]195
- Phosphorus, total [as P]188
- Chromium, total [as Cr]186
- Coliform, fecal general184
- Nitrogen, nitrate total [as N]175
- BOD, 5-day, 20 deg. C168
- Cadmium, total [as Cd]160
- Nitrogen, nitrite total [as N]159
- Nitrogen, total [as N]148
- Silver, total [as Ag]141
- Cyanide, total [as CN]137
- Chlorine, total residual134
- NOAEL Static 48Hr Acute Pimephales promelas117
- Iron, total [as Fe]113
- Depth to water level ft below landsurface108
- Polychlorinated biphenyls [PCBs]100
- Organics, total toxic [TTO]100
- Aluminum, total [as Al]96
- pH, maximum95
- pH, minimum94
- Zinc, sludge, total, dry weight [as Zn]91
- Nickel, sludge, total, dry weight [as Ni]91
- Chromium, sludge, total, dry weight [as Cr]91
- Cadmium, sludge, total, dry weight [as Cd]91
- Copper, sludge, total, dry weight [as Cu]91
- Mercury, sludge, total, dry weight [as Hg]91
- Lead, sludge, total, dry weight [as Pb]91
- Solids, suspended percent removal91
- Solids, volatile % of total solids90
- Solids, fixed, % of total solids90
- Temperature, water deg. fahrenheit89
- Chromium, hexavalent [as Cr]84
- Solids, total, percent77
- BOD, 5-day, percent removal75
- Arsenic, sludge tot. dry wt [as As]74
- Arsenic, total [as As]72
- Aluminum, total recoverable72
- Beryllium, sludge, tot. dry wt [as Be]71
- Cyanide, free [amenable to chlorination]61