PFIZER INC

NPDES permit CT0000957 · Minor NON-POTW · effective, expires 2031-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
0of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: Temperature, water deg. fahrenheit (1), Temp. diff. between samp. & upstrm deg. F (1).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among CT permits in EPA's filings — check your permit).

Limits in force (375)

OutfallParameterStatisticLimitMonths
008Temperature, water deg. fahrenheitINST MAX <= 90 deg F all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temp. diff. between samp. & upstrm deg. FINST MAX <= 32.1 deg F all year
008Flow rateMO AVG <= 500000 gal/d all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Specific conductanceDAILY MX report only all year
008Waste heat rejection rateDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008pHDAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008Alkalinity, total [as CaCO3]DAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008SalinityDAILY MX report only all year
008Solids, total suspendedMO AVG <= 20 mg/L all year
008Solids, total suspendedDAILY MX <= 30 mg/L all year
008Solids, total suspendedMO AVG <= 37.8 kg/d all year
008Solids, total suspendedDAILY MX <= 56.7 kg/d all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Oil & GreaseMO AVG report only Feb, May, Aug, Nov
008Oil & GreaseDAILY MX <= 5 mg/L Feb, May, Aug, Nov
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Nitrogen, total [as N]MO AVG report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]MO AVG report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]MO AVG report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]MO AVG report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Hardness, total [as CaCO3]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]MO AVG report only Feb, May, Aug, Nov
008Chromium, total [as Cr]DAILY MX report only Feb, May, Aug, Nov
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Chromium, total [as Cr]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, total [as Cu]MO AVG <= 133 ug/L Feb, May, Aug, Nov
008Copper, total [as Cu]DAILY MX <= 288 ug/L Feb, May, Aug, Nov
008Copper, total [as Cu]MO AVG <= 251 g/d Feb, May, Aug, Nov
008Copper, total [as Cu]DAILY MX <= 545 g/d Feb, May, Aug, Nov
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Iron, total [as Fe]MO AVG <= 3 mg/L Feb, May, Aug, Nov
008Iron, total [as Fe]DAILY MX <= 5 mg/L Feb, May, Aug, Nov
008Iron, total [as Fe]MO AVG <= 5.6 kg/d Feb, May, Aug, Nov
008Iron, total [as Fe]DAILY MX <= 9.4 kg/d Feb, May, Aug, Nov
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Iron, dissolved [as Fe]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Lead, total [as Pb]MO AVG report only Feb, May, Aug, Nov
008Lead, total [as Pb]DAILY MX report only Feb, May, Aug, Nov
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]MO AVG <= 51.4 ug/L Feb, May, Aug, Nov
008Nickel, total [as Ni]DAILY MX <= 158 ug/L Feb, May, Aug, Nov
008Nickel, total [as Ni]MO AVG <= 97 g/d Feb, May, Aug, Nov
008Nickel, total [as Ni]DAILY MX <= 299 g/d Feb, May, Aug, Nov
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Nickel, total [as Ni]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]MO AVG report only Feb, May, Aug, Nov
008Zinc, total [as Zn]DAILY MX report only Feb, May, Aug, Nov
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 2.2 ug/L all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 3.2 ug/L all year
008Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 4.2 g/d all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 6.1 g/d all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
008Flow, maximum during 24 hr periodDAILY MX <= 750000 gal/d all year
008Chlorine, total residualMO AVG report only Feb, May, Aug, Nov
008Chlorine, total residualDAILY MX report only Feb, May, Aug, Nov
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Chlorine, total residualDAILY MX report only all year
008Nitrogen, total available [water]MO AVG <= 331 lb/d Dec
008Nitrogen, total available [water]DAILY MX report only Dec
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008Date of Sample CollectionDAILY MX report only all year
008pH, maximumINST MAX <= 8.5 SU all year
008pH, minimumINST MIN >= 6.8 SU all year
008Coliform, fecal generalINST MAX report only Feb, Aug
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008FlowDAILY MX report only all year
008Biochemical oxygen demand-5MO AVG report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008Biochemical oxygen demand-5DAILY MX report only all year
008LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 100 % all year
008LC50 Static 48Hr Acute Cyprinodon variegatusMINIMUM >= 100 % all year
008NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MINIMUM report only all year
008NOEC Lethal Static Renewal 7 Day Chronic Cyprinodeon variegatusMINIMUM report only all year
008NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MINIMUM report only all year
008NOEC Sub-Lethal Static Renewal 7 Day Chronic Cyprinodeon variegatusMINIMUM report only all year
008%Repro Reduc Static Renewal 7D Americamysis bahia (formerly Mysidopsis bahia)MINIMUM report only all year

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