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Clay And Related Minerals, Summitville, Ohio. NPDES permit OH0151705, in force until Oct 31, 2029. Last 12 months: over a limit 6 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Solids, total suspended, daily maximum | 668 | ≤ 45 mg/L | 1384% |
| December 2025 | Solids, total suspended, monthly average | 668 | ≤ 30 mg/L | 2127% |
| December 2025 | pH, daily minimum | 5.89 | ≥ 6.5 SU | — |
| February 2026 | pH, daily maximum | 467 | ≤ 9 SU | — |
| March 2026 | Solids, total suspended, daily maximum | 68 | ≤ 45 mg/L | 51% |
| March 2026 | Solids, total suspended, monthly average | 68 | ≤ 30 mg/L | 127% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Cobalt, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec |
| Cobalt, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec |
| Beryllium, total recoverable [as Be] | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec |
| Beryllium, total recoverable [as Be] | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec |
| Barium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec |
| Barium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec |
| Lead, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec |
| Lead, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec |
| Chromium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec |
| Rainfall | monthly average | report only (in) | all year |
| Rainfall | daily maximum | report only (in) | 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 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 131 Mining and Quarrying of Nonmetallic Minerals 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/OH0151705 · MCP: https://passage-data.com/mcp