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Ready-Mixed Concrete, Hopwood, Pennsylvania. NPDES permit PA0254720, in force until Jan 31, 2027. Last 12 months: no values over a limit, 18 required values missing, 1 of 10 reports late. 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 |
| Oil & Grease | monthly average | report only (mg/L) | all year |
| Oil & Grease | daily maximum | report only (mg/L) | all year |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year |
| Iron, total [as Fe] | monthly average | ≤ 1.5 mg/L | all year |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/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 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/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.
Same industry: the 80 Stone, Clay, Glass and Concrete Products 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/PA0254720 · MCP: https://passage-data.com/mcp