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Blast Furnaces And Steel Mills, major discharger, Steelton, Pennsylvania. NPDES permit PA0008303, in force until Apr 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 105 deg F | Jan–Nov | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 104 deg F | Dec | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 002 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 002 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | monthly average | report only (lb/d) | all year | 002 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 002 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Oil & Grease | monthly average | report only (lb/d) | all year | 002 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 002 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (lb/d) | 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 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | 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 | monthly average | ≤ .15 mg/L | all year | 002 |
| Chlorine, total residual | instantaneous maximum | ≤ .49 mg/L | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 005 |
| 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 |
| 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 |
| 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 |
| Lead, total [as Pb] | 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 |
| pH | daily maximum | report only (SU) | all year | 015 |
| 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 |
| 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 |
| pH | daily minimum | ≥ 6 SU | all year | 102 |
| pH | daily maximum | ≤ 9 SU | all year | 102 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 102 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 102 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 102 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 102 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 102 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 102 |
| Solids, total suspended | monthly average | ≤ 1074 lb/d | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 2876 lb/d | all year | 102 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 102 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 102 |
| Oil & Grease | monthly average | report only (lb/d) | all year | 102 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 102 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 102 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 102 |
| Oil & Grease | monthly average | ≤ 244 lb/d | all year | 102 |
| Oil & Grease | daily maximum | ≤ 645 lb/d | all year | 102 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 102 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 102 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 102 |
| Lead, total [as Pb] | daily maximum | report only (lb/d) | all year | 102 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 102 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 102 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 102 |
| Lead, total [as Pb] | daily maximum | report only (lb/d) | all year | 102 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 102 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 102 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 102 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 102 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 102 |
| pH | daily minimum | ≥ 6 SU | all year | 112 |
| pH | daily maximum | ≤ 9 SU | all year | 112 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 112 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 112 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 112 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 112 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 112 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 112 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 112 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 112 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 112 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 112 |
| Oil & Grease | monthly average | report only (lb/d) | all year | 112 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 112 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 112 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 112 |
| Oil & Grease | monthly average | report only (lb/d) | all year | 112 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 112 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 112 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 112 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 112 |
| Lead, total [as Pb] | daily maximum | report only (lb/d) | all year | 112 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 112 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 112 |
| Lead, total [as Pb] | monthly average | ≤ .19 lb/d | all year | 112 |
| Lead, total [as Pb] | daily maximum | ≤ .56 lb/d | all year | 112 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 112 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 112 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 112 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 112 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 112 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 112 |
| Zinc, total [as Zn] | monthly average | ≤ .28 lb/d | all year | 112 |
| Zinc, total [as Zn] | daily maximum | ≤ .84 lb/d | all year | 112 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 112 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 112 |
| pH | daily minimum | ≥ 6 SU | all year | 122 |
| pH | daily maximum | ≤ 9 SU | all year | 122 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 122 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 122 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 122 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 122 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 122 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 122 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 122 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 122 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 122 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 122 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 122 |
| Lead, total [as Pb] | daily maximum | report only (lb/d) | all year | 122 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 122 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 122 |
| Lead, total [as Pb] | monthly average | ≤ .2 lb/d | all year | 122 |
| Lead, total [as Pb] | daily maximum | ≤ .6 lb/d | all year | 122 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 122 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 122 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 122 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 122 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 122 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 122 |
| Zinc, total [as Zn] | monthly average | ≤ .3 lb/d | all year | 122 |
| Zinc, total [as Zn] | daily maximum | ≤ .9 lb/d | all year | 122 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 122 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 122 |
| Flow, in conduit or thru treatment plant | monthly average | report only (cfs) | all year | 401 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (cfs) | all year | 401 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 601 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 601 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 601 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 601 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 601 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 601 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 601 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 601 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 601 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 601 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 601 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 601 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 601 |
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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