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Blast Furnaces And Steel Mills, Johnstown, Pennsylvania. NPDES permit PA0217085, in force until Oct 31, 2030. Last 12 months: no values over a limit, 110 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 001 |
| 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 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 002 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | 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 |
| Iron, total [as Fe] | monthly average | ≤ 1.5 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 003 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 003 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 004 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 004 |
| Iron, total [as Fe] | monthly average | ≤ 1.5 mg/L | all year | 004 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 004 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 004 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 004 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 004 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 004 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 004 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 004 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 004 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 004 |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 005 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 005 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 005 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 005 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 005 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 005 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 006 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 006 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 006 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 007 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 007 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 007 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 007 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 007 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 007 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 007 |
| 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 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 008 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 008 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 008 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 009 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 009 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 009 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 009 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 009 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 009 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 009 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 009 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 009 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 010 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 010 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 010 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 010 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 010 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 010 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 010 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 010 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 010 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 010 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 011 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 011 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 011 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 011 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 011 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 011 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 011 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 011 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 011 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 011 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 012 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 012 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 012 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 012 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 012 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 012 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 012 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 012 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 012 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 012 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 013 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 013 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 013 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 013 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 013 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 013 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 013 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 013 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 013 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 013 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 014 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 014 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 014 |
| Iron, total [as Fe] | monthly average | ≤ 1.5 mg/L | all year | 014 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 014 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 014 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 014 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 014 |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/L | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 015 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 015 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 015 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 015 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 015 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 015 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 015 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 015 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 015 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 015 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 016 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 016 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 016 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 016 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 016 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 016 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 016 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 016 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 016 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 016 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 017 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 017 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 017 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 017 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 017 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 017 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 017 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 017 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 017 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 017 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 018 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 018 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 018 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 018 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 018 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 018 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 018 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 018 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 018 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 018 |
| 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 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 019 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 019 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 019 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 019 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 020 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 020 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 020 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 020 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 020 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 020 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 020 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 020 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 020 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 020 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 021 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 021 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 021 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 021 |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | all year | 021 |
| Solids, total suspended | monthly average | ≤ 64.3 lb/d | all year | 021 |
| Solids, total suspended | daily maximum | ≤ 171 lb/d | all year | 021 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 021 |
| Oil & Grease | daily maximum | ≤ 42.9 lb/d | all year | 021 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 021 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 021 |
| Iron, total [as Fe] | monthly average | ≤ 1.5 mg/L | all year | 021 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 021 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 021 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 021 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 021 |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/L | all year | 021 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | 021 |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year | 021 |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year | 021 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (ng/L) | all year | 021 |
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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