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Electric Services, St. Charles, Missouri. NPDES permit MO0137642 expired Sep 30, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Tetrachloroethylene | daily maximum | ≤ 1.6 ug/L | all year | 001 |
| Tetrachloroethylene | monthly average | ≤ .8 ug/L | all year | 001 |
| Vinyl chloride | daily maximum | ≤ 4 ug/L | all year | 001 |
| Vinyl chloride | monthly average | ≤ 2 ug/L | all year | 001 |
| Trichloroethylene | daily maximum | ≤ 10.1 ug/L | all year | 001 |
| Trichloroethylene | monthly average | ≤ 5 ug/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 603 ug/L | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 603 ug/L | all year | 001 |
| cis-1,2-Dichloroethylene | daily maximum | ≤ 141 ug/L | all year | 001 |
| cis-1,2-Dichloroethylene | monthly average | ≤ 70 ug/L | all year | 001 |
| Flow, process wastewater | daily maximum | report only (MGD) | all year | 001 |
| Flow, process wastewater | monthly average | report only (MGD) | all year | 001 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 002 |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 29 Electric Services permits in Missouri.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MO0137642 · MCP: https://passage-data.com/mcp