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Ready-Mixed Concrete, Monaca, Pennsylvania. NPDES permit PA0285366, in force until Dec 31, 2029. Last 12 months: over a limit once (last April 2026), 24 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| April 2026 | Solids, total suspended, daily maximum | 150 mg/L | ≤ 50 mg/L | 200% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 004 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 004 |
| Iron, total [as Fe] | monthly average | ≤ 2 mg/L | all year | 004 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 004 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 004 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 004 |
| Aluminum, total [as Al] | monthly average | ≤ 4 mg/L | all year | 004 |
| Aluminum, total [as Al] | daily maximum | ≤ 8 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 004 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 006 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 006 |
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/PA0285366 · MCP: https://passage-data.com/mcp