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Electric Services, New Milford, Connecticut. NPDES permit CT0030287, in force until Dec 31, 2030. Last 12 months: over a limit 2 times (last August 2026), 5 of 49 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| July 2026 | Copper, total [as Cu], monthly average | 10.1 ug/L | ≤ 8.8 ug/L | 15% |
| August 2026 | Copper, total [as Cu], monthly average | 13.8 ug/L | ≤ 8.8 ug/L | 57% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 101 |
| Oxygen, dissolved [DO] | instantaneous maximum | report only (mg/L) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Nitrogen, nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, dissolved [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | monthly average | ≤ 8.8 ug/L | all year | 101 |
| Copper, total [as Cu] | daily maximum | ≤ 20.4 ug/L | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, dissolved [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, dissolved [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, dissolved [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, dissolved [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, dissolved [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, dissolved [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, dissolved [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, dissolved [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, dissolved [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 101 |
| Tetrachloroethylene | instantaneous maximum | report only (ug/L) | Feb, Aug | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 101 |
| pH, maximum | instantaneous maximum | ≤ 8 SU | all year | 101 |
| pH, minimum | instantaneous minimum | ≥ 6.5 SU | all year | 101 |
| Applicable temperature limitation | instantaneous maximum | report only (deg F) | all year | 101 |
| Flow, total | monthly average | report only (gal/d) | all year | 101 |
| Flow, total | daily maximum | ≤ 1440000 gal/d | all year | 101 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | minimum | ≥ 90 % | all year | 101 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | minimum | ≥ 90 % | all year | 101 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | report only (%) | all year | 101 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | report only (%) | all year | 101 |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | report only (%) | all year | 101 |
| IC25 Static Renewal 7 Day Chronic Pimephales | minimum | report only (%) | all year | 101 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 102 |
| Oxygen, dissolved [DO] | instantaneous maximum | report only (mg/L) | all year | 102 |
| pH | instantaneous minimum | report only (SU) | all year | 102 |
| pH | instantaneous maximum | report only (SU) | all year | 102 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 102 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 102 |
| Hardness, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | all year | 102 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Lead, total [as Pb] | instantaneous maximum | report only (ug/L) | all year | 102 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | all year | 102 |
| Tetrachloroethylene | instantaneous maximum | report only (ug/L) | all year | 102 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 102 |
| Specific Conductance | instantaneous maximum | report only (umho/sec) | all year | 102 |
| Date of Sample Collection | instantaneous maximum | report only (date) | all year | 102 |
| pH, maximum | instantaneous maximum | ≤ 8 SU | all year | 102 |
| pH, minimum | instantaneous minimum | ≥ 6.5 SU | all year | 102 |
| Applicable temperature limitation | instantaneous maximum | report only (deg F) | all year | 102 |
| Flow, total | monthly average | report only (gal/d) | all year | 102 |
| Flow, total | daily maximum | ≤ 1656000 gal/d | all year | 102 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | minimum | ≥ 90 % | all year | 102 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | minimum | ≥ 90 % | all year | 102 |
Cited limits by parameter: Connecticut's rules and the federal ones.
Same industry: the 12 Electric Services permits in Connecticut.
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