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Industrial or other facility, Mill Run, Pennsylvania. NPDES permit PA0255254, in force until Nov 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year |
| Arsenic, total [as As] | monthly average | ≤ 18.1 ug/L | all year |
| Arsenic, total [as As] | daily maximum | ≤ 28.2 ug/L | all year |
| Cadmium, total [as Cd] | monthly average | ≤ .46 ug/L | all year |
| Cadmium, total [as Cd] | daily maximum | ≤ .72 ug/L | all year |
| Chromium, hexavalent [as Cr] | monthly average | ≤ 16 ug/L | all year |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 25 ug/L | all year |
| Cobalt, total [as Co] | monthly average | report only (ug/L) | all year |
| Cobalt, total [as Co] | daily maximum | report only (ug/L) | all year |
| Copper, total [as Cu] | monthly average | ≤ 14 ug/L | all year |
| Copper, total [as Cu] | daily maximum | ≤ 21 ug/L | all year |
| Iron, total [as Fe] | monthly average | ≤ 2 mg/L | all year |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year |
| Lead, total [as Pb] | monthly average | ≤ 5.24 ug/L | all year |
| Lead, total [as Pb] | daily maximum | ≤ 8.17 ug/L | all year |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year |
| Thallium, total [as Tl] | monthly average | ≤ .43 ug/L | all year |
| Thallium, total [as Tl] | daily maximum | ≤ .68 ug/L | all year |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | all year |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year |
| Silver, total [as Ag] | monthly average | ≤ 3.86 ug/L | all year |
| Silver, total [as Ag] | daily maximum | ≤ 6.03 ug/L | all year |
| Antimony, total [as Sb] | monthly average | ≤ 10.1 ug/L | all year |
| Antimony, total [as Sb] | daily maximum | ≤ 15.8 ug/L | all year |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year |
| Aluminum, total [as Al] | daily maximum | ≤ 1.17 mg/L | all year |
| Selenium, total [as Se] | monthly average | report only (ug/L) | all year |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly average | ≤ .128 mg/L | all year |
| Chlorine, total residual | instantaneous maximum | ≤ .3 mg/L | all year |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/PA0255254 · MCP: https://passage-data.com/mcp