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Rolling Mill Machinery, Homestead, Pennsylvania. NPDES permit PA0218081, in force until Apr 30, 2030. Last 12 months: over a limit 30 times (last June 2026), 66 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 006 | Copper, total [as Cu], daily maximum | .03 | ≤ .016 lb/d | 88% |
| October 2025 | 006 | Copper, total [as Cu], daily maximum | .11 mg/L | ≤ .048 mg/L | 129% |
| October 2025 | 006 | Copper, total [as Cu], monthly average | .03 | ≤ .01 lb/d | 200% |
| October 2025 | 006 | Copper, total [as Cu], monthly average | .094 mg/L | ≤ .031 mg/L | 203% |
| November 2025 | 006 | Copper, total [as Cu], daily maximum | .02 | ≤ .016 lb/d | 25% |
| November 2025 | 006 | Copper, total [as Cu], daily maximum | .07 mg/L | ≤ .048 mg/L | 46% |
| November 2025 | 006 | Copper, total [as Cu], monthly average | .02 | ≤ .01 lb/d | 100% |
| November 2025 | 006 | Copper, total [as Cu], monthly average | .059 mg/L | ≤ .031 mg/L | 90% |
| January 2026 | 006 | Copper, total [as Cu], daily maximum | .02 | ≤ .016 lb/d | 25% |
| January 2026 | 006 | Copper, total [as Cu], daily maximum | .051 mg/L | ≤ .048 mg/L | 6% |
| January 2026 | 006 | Copper, total [as Cu], monthly average | .035 mg/L | ≤ .031 mg/L | 13% |
| February 2026 | 006 | Zinc, total [as Zn], monthly average | .094 | ≤ .089 lb/d | 6% |
| April 2026 | 006 | Copper, total [as Cu], daily maximum | .03 | ≤ .016 lb/d | 88% |
| April 2026 | 006 | Copper, total [as Cu], daily maximum | .11 mg/L | ≤ .048 mg/L | 129% |
| April 2026 | 006 | Copper, total [as Cu], monthly average | .03 | ≤ .01 lb/d | 200% |
| April 2026 | 006 | Copper, total [as Cu], monthly average | .11 mg/L | ≤ .031 mg/L | 255% |
| April 2026 | 106 | Solids, total suspended, monthly average | 19 mg/L | ≤ 15 mg/L | 27% |
| May 2026 | 006 | Chlorine, total residual, instantaneous maximum | 2.69 mg/L | ≤ 1.6 mg/L | 68% |
| May 2026 | 006 | Chlorine, total residual, monthly average | 2.34 mg/L | ≤ .5 mg/L | 368% |
| May 2026 | 006 | Copper, total [as Cu], daily maximum | .04 | ≤ .016 lb/d | 150% |
| May 2026 | 006 | Copper, total [as Cu], daily maximum | .14 mg/L | ≤ .048 mg/L | 192% |
| May 2026 | 006 | Copper, total [as Cu], monthly average | .03 | ≤ .01 lb/d | 200% |
| May 2026 | 006 | Copper, total [as Cu], monthly average | .13 mg/L | ≤ .031 mg/L | 319% |
| May 2026 | 106 | Solids, total suspended, monthly average | 25.5 mg/L | ≤ 15 mg/L | 70% |
| June 2026 | 006 | Chlorine, total residual, instantaneous maximum | 2.16 mg/L | ≤ 1.6 mg/L | 35% |
| June 2026 | 006 | Chlorine, total residual, monthly average | 1.87 mg/L | ≤ .5 mg/L | 274% |
| June 2026 | 006 | Copper, total [as Cu], daily maximum | .03 | ≤ .016 lb/d | 88% |
| June 2026 | 006 | Copper, total [as Cu], daily maximum | .1 mg/L | ≤ .048 mg/L | 108% |
| June 2026 | 006 | Copper, total [as Cu], monthly average | .03 | ≤ .01 lb/d | 200% |
| June 2026 | 006 | Copper, total [as Cu], monthly average | .094 mg/L | ≤ .031 mg/L | 203% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily maximum | report only (SU) | all year | 001 |
| 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 |
| Nitrite + Nitrate 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 |
| Iron, total [as Fe] | 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 |
| pH | daily maximum | report only (SU) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 003 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 003 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 003 |
| pH | daily maximum | report only (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 |
| Nitrite + Nitrate 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 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 004 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 004 |
| 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 |
| Nitrite + Nitrate 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 |
| Iron, total [as Fe] | 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 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 006 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 006 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 006 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 006 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 006 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 006 |
| Copper, total [as Cu] | monthly average | ≤ .031 mg/L | all year | 006 |
| Copper, total [as Cu] | daily maximum | ≤ .048 mg/L | all year | 006 |
| Copper, total [as Cu] | monthly average | ≤ .01 lb/d | all year | 006 |
| Copper, total [as Cu] | daily maximum | ≤ .016 lb/d | all year | 006 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | monthly average | ≤ 1.17 lb/d | all year | 006 |
| Zinc, total [as Zn] | monthly average | ≤ .275 mg/L | all year | 006 |
| Zinc, total [as Zn] | daily maximum | ≤ .428 mg/L | all year | 006 |
| Zinc, total [as Zn] | monthly average | ≤ .089 lb/d | all year | 006 |
| Zinc, total [as Zn] | daily maximum | ≤ .14 lb/d | all year | 006 |
| Dichlorobromomethane | monthly average | report only (mg/L) | all year | 006 |
| Dichlorobromomethane | daily maximum | report only (mg/L) | all year | 006 |
| Chloroform | monthly average | report only (mg/L) | all year | 006 |
| Chloroform | daily maximum | report only (mg/L) | all year | 006 |
| Chloroform | monthly average | report only (lb/d) | all year | 006 |
| Chloroform | daily maximum | report only (lb/d) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year | 006 |
| Chlorine, total residual | instantaneous maximum | ≤ 1.6 mg/L | all year | 006 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | 006 |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year | 006 |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year | 006 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (ng/L) | all year | 006 |
| 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 |
| Nitrite + Nitrate 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 |
| 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 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 008 |
| pH | daily maximum | report only (SU) | all year | 014 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 014 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 014 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 014 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 014 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 014 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 014 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 014 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 014 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 106 |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | all year | 106 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 106 |
| Iron, total [as Fe] | monthly average | ≤ 3.4 mg/L | all year | 106 |
| Iron, total [as Fe] | daily maximum | ≤ 6.8 mg/L | all year | 106 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 106 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 19 Industrial and Commercial Machinery and Computer Equipment permits in Pennsylvania.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/PA0218081 · MCP: https://passage-data.com/mcp