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Ready-Mixed Concrete, Twinsburg, Ohio. NPDES permit OH0129194, in force until Jun 30, 2029. Last 12 months: over a limit once (last July 2026), 1 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| July 2026 | Solids, total suspended, daily maximum | 180 | ≤ 50 mg/L | 260% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (gal/d) | all year | 001 |
| Flow rate | daily maximum | report only (gal/d) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 001 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 001 |
| Rainfall | monthly average | report only (in) | all year | 001 |
| Rainfall | daily maximum | report only (in) | all year | 001 |
| Flow rate | monthly average | report only (gal/d) | Mar, Jun, Sep, Dec | 002 |
| Flow rate | daily maximum | report only (gal/d) | Mar, Jun, Sep, Dec | 002 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Sep, Dec | 002 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Sep, Dec | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 36 Stone, Clay, Glass and Concrete Products permits in Ohio.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OH0129194 · MCP: https://passage-data.com/mcp