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Sewage treatment plant, Loreauville, Louisiana. NPDES permit LA0038440 expired Aug 31, 2025; its limits still apply. Last 12 months: no values over a limit, 8 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| 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 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 23 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 23 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 18 lb/d | all year |
| Solids, total suspended | monthly average | ≤ 18 lb/d | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | weekly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 20 mg/L | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 20 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 lb/d | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | weekly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | weekly average | report only (MGD) | all year |
| Chlorine, total residual | instantaneous maximum | ≤ .9 mg/L | all year |
| Chlorine, total residual | instantaneous maximum | ≤ .9 mg/L | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 12 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 12 lb/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/LA0038440 · MCP: https://passage-data.com/mcp