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Federal facility (Noncommercial Research Organizations), West Mifflin, Pennsylvania. NPDES permit PA0000914 expired Jul 31, 2026; its limits still apply. Last 12 months: over a limit 2 times (last October 2025), 54 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Solids, total suspended, daily maximum | 110 mg/L | ≤ 50 mg/L | 120% |
| October 2025 | Solids, total suspended, monthly average | 56.6 mg/L | ≤ 25 mg/L | 126% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| 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 | ≤ 25 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 001 |
| Arsenic, total [as As] | monthly average | report only (ug/L) | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (ug/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 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 001 |
| Iron, dissolved [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 001 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | all year | 001 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 001 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 001 |
| Dichlorobromomethane | monthly average | report only (ug/L) | all year | 001 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | all year | 001 |
| Bromoform | monthly average | report only (ug/L) | all year | 001 |
| Bromoform | daily maximum | report only (ug/L) | all year | 001 |
| Chloroform | monthly average | report only (ug/L) | all year | 001 |
| Chloroform | daily maximum | report only (ug/L) | all year | 001 |
| Chlorodibromomethane | monthly average | report only (ug/L) | all year | 001 |
| Chlorodibromomethane | daily maximum | report only (ug/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 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 001 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 001 |
| pH | instantaneous minimum | report only (SU) | all year | 006 |
| pH | instantaneous maximum | report only (SU) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 006 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 006 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 007 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 007 |
| Solids, total suspended | instantaneous maximum | ≤ 75 mg/L | all year | 007 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 007 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 007 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 7 mg/L | all year | 007 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 007 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 007 |
| Tetrachloroethylene | monthly average | ≤ 2.2 ug/L | all year | 007 |
| Tetrachloroethylene | instantaneous maximum | ≤ 5.5 ug/L | all year | 007 |
| trans-1,2-Dichloroethylene | monthly average | ≤ 5 ug/L | all year | 007 |
| trans-1,2-Dichloroethylene | instantaneous maximum | ≤ 12.5 ug/L | all year | 007 |
| Trichloroethylene | monthly average | ≤ 5 ug/L | all year | 007 |
| Trichloroethylene | instantaneous maximum | ≤ 12.5 ug/L | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| pH | instantaneous minimum | report only (SU) | all year | 008 |
| pH | instantaneous 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 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 008 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 008 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 7 Engineering, Accounting, Research and Management Services 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/PA0000914 · MCP: https://passage-data.com/mcp