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Sewage treatment plant, Alcorn State, Mississippi. NPDES permit MS0027855, in force until Nov 30, 2028. Last 12 months: no values over a limit, 55 required values missing, 5 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 10 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 15 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 62 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 94 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 |
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 187 lb/d | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 281 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, 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 | ≤ 12.5 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 18.7 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 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .75 MGD | all year | 001 |
| Chlorine, total residual | maximum monthly average | ≤ .011 mg/L | all year | 001 |
| Chlorine, total residual | maximum weekly average | ≤ .019 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 | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 001 |
| Sludge settleability 30 minute | minimum | report only (mL/L) | all year | 001 |
| Sludge settleability 30 minute | maximum | report only (mL/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 45 mg/L | all year | 101 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 67.5 mg/L | all year | 101 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (lb/d) | all year | 101 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (lb/d) | all year | 101 |
| pH | minimum | ≥ 6 SU | all year | 101 |
| pH | maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | maximum monthly average | ≤ 90 mg/L | all year | 101 |
| Solids, total suspended | maximum weekly average | ≤ 90 mg/L | all year | 101 |
| Solids, total suspended | maximum monthly average | report only (lb/d) | all year | 101 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (lb/d) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year | 101 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 101 |
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/MS0027855 · MCP: https://passage-data.com/mcp