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Lead And Zinc Ores, Smith Twp, Pennsylvania. NPDES permit PA0255815 expired Apr 30, 2026; its limits still apply. Last 12 months: no values over a limit, 12 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | instantaneous minimum | report only (SU) | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Cadmium, total [as Cd] | monthly average | ≤ 10.7 ug/L | all year |
| Cadmium, total [as Cd] | daily maximum | ≤ 16.7 ug/L | all year |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year |
| Zinc, total [as Zn] | monthly average | ≤ 3090 ug/L | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 4821 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 |
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/PA0255815 · MCP: https://passage-data.com/mcp