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Blast Furnaces And Steel Mills, Bridgeville, Pennsylvania. NPDES permit PA0003603 expired Nov 30, 2025; its limits still apply. Last 12 months: no values over a limit, 24 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 001 |
| pH | instantaneous maximum | report only (SU) | all year | 001 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 001 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 001 |
| Magnesium, total [as Mg] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Molybdenum, total [as Mo] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| pH | instantaneous maximum | report only (SU) | all year | 002 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 002 |
| Magnesium, total [as Mg] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Molybdenum, total [as Mo] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .5 mg/L | all year | 002 |
| Chlorine, total residual | instantaneous maximum | ≤ 1 mg/L | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 004 |
| pH | instantaneous maximum | report only (SU) | all year | 004 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 004 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 004 |
| Magnesium, total [as Mg] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Molybdenum, total [as Mo] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 005 |
| pH | instantaneous maximum | report only (SU) | all year | 005 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 005 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 005 |
| Magnesium, total [as Mg] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Molybdenum, total [as Mo] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 014 |
| pH | instantaneous maximum | report only (SU) | all year | 014 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 014 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 014 |
| Magnesium, total [as Mg] | instantaneous maximum | report only (mg/L) | all year | 014 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 014 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 014 |
| Molybdenum, total [as Mo] | instantaneous maximum | report only (mg/L) | all year | 014 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 014 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 014 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 018 |
| pH | instantaneous maximum | report only (SU) | all year | 018 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 018 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 018 |
| Magnesium, total [as Mg] | instantaneous maximum | report only (mg/L) | all year | 018 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 018 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 018 |
| Molybdenum, total [as Mo] | instantaneous maximum | report only (mg/L) | all year | 018 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 018 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 018 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 019 |
| pH | daily minimum | ≥ 6 SU | all year | 019 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 019 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 019 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 019 |
| Chlorine, total residual | daily maximum | ≤ .5 mg/L | all year | 019 |
| Chlorine, total residual | instantaneous maximum | ≤ 1 mg/L | all year | 019 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 85 Primary Metal Industries permits in Pennsylvania.
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On EPA ECHO: Facility report · DMR history
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