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Sewerage Systems, Edgefield, South Carolina. NPDES permit SC0047813 expired May 31, 2023; 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 maximum | ≤ 8.5 SU | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous minimum | report only (SU) | all year | 001 |
| pH | instantaneous maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| 1,2-cis-Dichloroethene | monthly average | ≤ .07 mg/L | all year | 001 |
| 1,2-cis-Dichloroethene | daily maximum | ≤ .14 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| trans-1,2-Dichloroethene | monthly average | ≤ .1 mg/L | all year | 001 |
| trans-1,2-Dichloroethene | daily maximum | ≤ .2 mg/L | all year | 001 |
| Trichloroethene | monthly average | ≤ .005 mg/L | all year | 001 |
| Trichloroethene | daily maximum | ≤ .01 mg/L | all year | 001 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous minimum | report only (SU) | all year | 002 |
| pH | instantaneous maximum | report only (SU) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Methylene chloride | monthly average | ≤ 2 ug/kg | all year | 002 |
| Methylene chloride | daily maximum | ≤ 2 ug/kg | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Trichloroethene | monthly average | ≤ 2 ug/L | all year | 002 |
| Trichloroethene | daily maximum | ≤ 2 ug/L | all year | 002 |
Cited limits by parameter: South Carolina's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/SC0047813 · MCP: https://passage-data.com/mcp