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Sewage treatment plant, Baton Rouge, Louisiana. NPDES permit LA0115606, in force until Apr 30, 2030. Last 12 months: over a limit once (last October 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Vinyl chloride, daily maximum | 279 ug/L | ≤ 172 ug/L | 62% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year |
| 1,2-Dichloroethane | daily maximum | ≤ 574 ug/L | all year |
| 1,2-Dichloroethane | daily maximum | ≤ 574 ug/L | all year |
| Tetrachloroethylene | daily maximum | ≤ 164 ug/L | all year |
| Tetrachloroethylene | daily maximum | ≤ 164 ug/L | all year |
| 1,1-Dichloroethane | daily maximum | ≤ 59 ug/L | all year |
| 1,1-Dichloroethane | daily maximum | ≤ 59 ug/L | all year |
| 1,1-Dichloroethylene | daily maximum | ≤ 60 ug/L | all year |
| 1,1-Dichloroethylene | daily maximum | ≤ 60 ug/L | all year |
| 1,1,1-Trichloroethane | daily maximum | ≤ 59 ug/L | all year |
| 1,1,1-Trichloroethane | daily maximum | ≤ 59 ug/L | all year |
| 1,1,2-Trichloroethane | daily maximum | ≤ 127 ug/L | all year |
| 1,1,2-Trichloroethane | daily maximum | ≤ 127 ug/L | all year |
| trans-1,2-Dichloroethylene | daily maximum | ≤ 66 ug/L | all year |
| trans-1,2-Dichloroethylene | daily maximum | ≤ 66 ug/L | all year |
| Vinyl chloride | daily maximum | ≤ 172 ug/L | all year |
| Vinyl chloride | daily maximum | ≤ 172 ug/L | all year |
| Trichloroethylene | daily maximum | ≤ 69 ug/L | all year |
| Trichloroethylene | daily maximum | ≤ 69 ug/L | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year |
Cited limits by parameter: Louisiana'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/LA0115606 · MCP: https://passage-data.com/mcp