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Gold Ores, Ridgeway, South Carolina. NPDES permit SC0041378 expired Jun 30, 2015; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| pH | instantaneous minimum | report only (SU) | all year | 03A |
| pH | instantaneous maximum | report only (SU) | all year | 03A |
| Cyanide, weak acid, dissociable | monthly average | report only (mg/L) | all year | 03A |
| Cyanide, weak acid, dissociable | daily maximum | report only (mg/L) | all year | 03A |
| Cyanide, free-water plus wastewaters | monthly average | report only (mg/L) | all year | 03A |
| Cyanide, free-water plus wastewaters | daily maximum | report only (mg/L) | all year | 03A |
| Cyanide, total [as CN] | monthly average | report only (mg/L) | all year | 03A |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year | 03A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 03A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 03A |
| pH | instantaneous minimum | report only (SU) | all year | 03B |
| pH | instantaneous maximum | report only (SU) | all year | 03B |
| Cyanide, weak acid, dissociable | monthly average | report only (mg/L) | all year | 03B |
| Cyanide, weak acid, dissociable | daily maximum | report only (mg/L) | all year | 03B |
| Cyanide, free-water plus wastewaters | monthly average | report only (mg/L) | all year | 03B |
| Cyanide, free-water plus wastewaters | daily maximum | report only (mg/L) | all year | 03B |
| Cyanide, total [as CN] | monthly average | report only (mg/L) | all year | 03B |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year | 03B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 03B |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 03B |
Cited limits by parameter: South Carolina's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/SC0041378 · MCP: https://passage-data.com/mcp