EPA · Connecticut · discharge permits by parameter
Flow, maximum during 24 hr period in Connecticut
- 284Permits carrying a limit
- 103With a recorded exceedance
- 315Nationwide
Permits
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| NAVAL SUB BASE NEW LONDON | CT0003921 | GROTON | Major | THAMES RIVER | |
| SUMMIT CORPORATION OF AMERICA | CT0001180 | THOMASTON | Major | NAUGATUCK RIVER | |
| ALLNEX USA INCORPORATED | CT0000086 | WALLINGFORD | Major | QUINNIPIAC RIVER | |
| ANSONIA COPPER & BRASS INC. | CT0002968 | ANSONIA | Major | NAUGATUCK RIVER | |
| ELECTRIC BOAT CORPORATION | CT0003824 | GROTON | Major | THAMES RIVER | |
| TRINSEO LLC | CT0003131 | LEDYARD | Major | THAMES RIVER / ALLYNS COVE POND | |
| KIMBERLY-CLARK CORPORATION | CT0003212 | NEW MILFORD | Major | HOUSATONIC RIVER | |
| WIELAND ROLLED PRODUCTS NORTH AMERICA, LLC | CT0021873 | WATERBURY | Major | NAUGATUCK RIVER | |
| MIDDLETOWN POWER LLC | CT0003883 | MIDDLETOWN | Major | CONNECTICUT RIVER | |
| MONTVILLE POWER LLC | CT0003115 | UNCASVILLE | Major | THAMES RIVER | |
| SEIDEL INC | CT0026808 | WATERBURY | Major | Northfield Brook-Naugatuck River | |
| AHLSTROM NONWOVENS LLC | CT0000434 | WINDSOR LOCKS | Major | CONNECTICUT RIVER | |
| ALLEGHENY LUDLUM CORPORATION | CT0003701 | WALLINGFORD | Major | QUINNIPIAC RIVER | |
| BRIDGEPORT HARBOR STATION UNITS 1-4 | CT0003778 | BRIDGEPORT | Major | BRIDGEPORT HARBOR | |
| MILFORD POWER COMPANY, LLC | CT0030309 | MILFORD | Major | Housatonic River | |
| UNITED TECHNOLOGIES CORPORATION, PRATT AND WHITNEY DIVISION | CT0001376 | EAST HARTFORD | Major | CONNECTICUT RIVER | |
| DEVON POWER, LLC | CT0003107 | MILFORD | Major | HOUSATONIC RIV | |
| DUNN PAPER - EAST HARTFORD, LLC | CT0002127 | EAST HARTFORD | Major | HOCKANUM RIVER | |
| EVANGELICAL BAPTIST CENTER | CTSSD0172 | ASHFORD | Minor | BIGELOW BROOK | |
| MEDEIROS REALTY TRUST | CTRSS0071 | ENFIELD | Minor | Freshwater Brook-Connecticut River | |
| H.N.S. MANAGEMENT COMPANY, INC. | CTRSS0105 | HARTFORD | Minor | Stoughton Brook-Connecticut River | |
| DONCASTERS INC | CTP000118 | GROTON | Minor | THAMES RIVER | |
| MANNKIND CORPORATION | CTP002395 | DANBURY | Minor | STILL RVR(E.SWAMP/LIMEKILN BROOKS) | |
| GREENWICH HIGH SCHOOL | CTRSS0156 | GREENWICH | Minor | Blind Brook-Horseneck Brook | |
| LANXESS SOLUTIONS US INC. | CTP000065 | NAUGATUCK | Minor | NAUGATUCK RIVER | |
| RISDON | CTRSS0058 | DANBURY | Minor | Headwaters Still River | |
| GUIDA-SIEBERT DAIRY COMPANY | CTP002201 | NEW BRITAIN | Minor | CONNECTICUT RIVER |
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
- Zinc, total [as Zn]283
- Flow282
- Lead, total [as Pb]263
- Hardness, total [as CaCO3]225
- Chemical Oxygen Demand [COD]218
- 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