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Electric Services, major discharger, Pottstown, Pennsylvania. NPDES permit PA0051926, in force until Apr 30, 2031. Last 12 months: no values over a limit, 346 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Chromium, total [as Cr] | monthly average | ≤ .2 mg/L | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | monthly average | ≤ 1 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 001 |
| Aluminum, total [as Al] | monthly average | ≤ 4.97 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 7.75 mg/L | all year | 001 |
| Oxidants, total residual | daily maximum | ≤ .2 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Acrylamide | quarterly average | report only (mg/L) | all year | 001 |
| Acrylamide | daily maximum | report only (mg/L) | all year | 001 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | 001 |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year | 001 |
| PCBs Wet Weather Analysis | daily maximum | report only (ng/L) | all year | 001 |
| PCBs Dry Weather Analysis | daily maximum | report only (ng/L) | all year | 001 |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (ng/L) | all year | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | report only (tox chronic) | all year | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox chronic) | all year | 001 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Bromide [as Br] | quarterly average | report only (mg/L) | all year | 001 |
| Bromide [as Br] | daily maximum | report only (mg/L) | all year | 001 |
| Coliform, fecal general | quarterly average | report only (#/100mL) | all year | 001 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 001 |
| TU Static 7Day Chronic Ceriodaphnia dubia | daily maximum | report only (tox chronic) | all year | 001 |
| Static 7Day Chronic Pimephales Promelas | daily maximum | report only (tox chronic) | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Oxidants, total residual | daily maximum | ≤ .2 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Oxidants, total residual | daily maximum | ≤ .2 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| pH | daily maximum | report only (SU) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 008 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 008 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 008 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 008 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 008 |
| pH | instantaneous minimum | report only (SU) | all year | 012 |
| pH | instantaneous maximum | report only (SU) | all year | 012 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 012 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 012 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 012 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 012 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 012 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 012 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 012 |
| Iron, dissolved [as Fe] | daily maximum | report only (mg/L) | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| pH | daily maximum | report only (SU) | all year | 019 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 019 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 019 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 019 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 019 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 019 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 019 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 019 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 020 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 020 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 020 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 020 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 020 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 020 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 021 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 021 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 021 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 021 |
| pH | daily maximum | report only (SU) | all year | 021 |
| pH | daily maximum | report only (SU) | all year | 021 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 021 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 021 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 021 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 021 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 021 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 021 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 021 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 021 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 021 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 021 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 021 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 021 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 021 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 021 |
| pH | daily maximum | report only (SU) | all year | 024 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 024 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 024 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 024 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 024 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 024 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 024 |
| Acrylamide | monthly average | report only (mg/L) | all year | 024 |
| Acrylamide | daily maximum | report only (mg/L) | all year | 024 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 024 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 024 |
| pH | daily maximum | report only (SU) | all year | 030 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 030 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 030 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 030 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 030 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 030 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 030 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 030 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 030 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 030 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 030 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 030 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 031 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 031 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 031 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 031 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 031 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 031 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 031 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 031 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 031 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 031 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 031 |
| Chromium, total [as Cr] | monthly average | ≤ .2 mg/L | all year | 031 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 031 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 031 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 031 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 031 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 031 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 031 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 031 |
| Zinc, total [as Zn] | monthly average | ≤ 1 mg/L | all year | 031 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 031 |
| Aluminum, total [as Al] | monthly average | ≤ 4.97 mg/L | all year | 031 |
| Aluminum, total [as Al] | daily maximum | ≤ 7.75 mg/L | all year | 031 |
| Oxidants, total residual | daily maximum | ≤ .2 mg/L | all year | 031 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 031 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 031 |
| Acrylamide | monthly average | report only (mg/L) | all year | 031 |
| Acrylamide | daily maximum | report only (mg/L) | all year | 031 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 031 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 031 |
| Bromide [as Br] | monthly average | report only (mg/L) | all year | 031 |
| Bromide [as Br] | daily maximum | report only (mg/L) | all year | 031 |
| Coliform, fecal general | monthly average | report only (#/100mL) | all year | 031 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 031 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 201 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 201 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 201 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 301 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 301 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 301 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 301 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 401 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 401 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 401 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 401 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 63 Electric Services permits in Pennsylvania.
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