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Primary Metal Products, Ridgway, Pennsylvania. NPDES permit PA0239453, in force until Nov 30, 2030. Last 12 months: no values over a limit, 1 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
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
Your permit document is the final word. As JSON: /api/v1/permits/PA0239453 · MCP: https://passage-data.com/mcp