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Sewage treatment plant, Gloster, Mississippi. NPDES permit MS0020818 expired Aug 31, 2026; its limits still apply. Last 12 months: no values over a limit, 2 of 2 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 38 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 40 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 60 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (lb/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (lb/d) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 67 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 71 lb/d | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 106 lb/d | all year | 001 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | maximum monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | maximum monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | maximum monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | maximum weekly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 2 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 3 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 3.2 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 4.8 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | maximum monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | maximum monthly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | maximum weekly average | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .3 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 001 |
| Chlorine, total residual | maximum monthly average | ≤ .014 mg/L | all year | 001 |
| Chlorine, total residual | maximum weekly average | ≤ .024 mg/L | all year | 001 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | 001 |
| E. coli | maximum weekly average | ≤ 410 #/100mL | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 65 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 65 % | all year | 001 |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 21 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 31 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 52 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 78 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (lb/d) | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (lb/d) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | maximum monthly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | maximum weekly average | ≤ 67 mg/L | all year | 002 |
| Solids, total suspended | maximum monthly average | ≤ 112 lb/d | all year | 002 |
| Solids, total suspended | maximum weekly average | ≤ 168 lb/d | all year | 002 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | maximum monthly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 002 |
| Nitrogen, total [as N] | maximum monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | maximum monthly average | report only (lb/d) | all year | 002 |
| Nitrogen, total [as N] | maximum weekly average | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 2 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 3 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 5 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 7.5 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | maximum monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | maximum monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | maximum weekly average | report only (lb/d) | all year | 002 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .3 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 002 |
| Chlorine, total residual | maximum monthly average | ≤ .051 mg/L | all year | 002 |
| Chlorine, total residual | maximum weekly average | ≤ .076 mg/L | all year | 002 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | 002 |
| E. coli | maximum weekly average | ≤ 410 #/100mL | all year | 002 |
| BOD, 5-day, percent removal | minimum | ≥ 65 % | all year | 002 |
| Solids, suspended percent removal | minimum | ≥ 65 % | all year | 002 |
Cited limits by parameter: Mississippi'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/MS0020818 · MCP: https://passage-data.com/mcp