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Sewage treatment plant, Georgetown, Mississippi. NPDES permit MS0020605, in force until May 31, 2027. Last 12 months: over a limit 10 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, 5-day, 20 deg. C, maximum monthly average | 13 mg/L | ≤ 2 mg/L | 550% |
| December 2025 | BOD, 5-day, 20 deg. C, maximum monthly average | 3.47 lb/d | ≤ 1.8 lb/d | 93% |
| December 2025 | BOD, 5-day, 20 deg. C, maximum weekly average | 13 mg/L | ≤ 3 mg/L | 333% |
| December 2025 | BOD, 5-day, 20 deg. C, maximum weekly average | 3.47 lb/d | ≤ 2.8 lb/d | 24% |
| December 2025 | E. coli, maximum monthly average | > 2420 #/100mL | ≤ 126 #/100mL | — |
| December 2025 | E. coli, maximum weekly average | > 2420 #/100mL | ≤ 410 #/100mL | — |
| December 2025 | Nitrogen, ammonia total [as N], maximum monthly average | 16.7 mg/L | ≤ 1 mg/L | 1570% |
| December 2025 | Nitrogen, ammonia total [as N], maximum monthly average | 4.46 lb/d | ≤ .9 lb/d | 396% |
| December 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 16.7 mg/L | ≤ 1.5 mg/L | 1013% |
| December 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 4.46 lb/d | ≤ 1.4 lb/d | 219% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 2 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 3 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 1.8 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 2.8 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 | ≤ 90 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 135 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 83 lb/d | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 124 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 | ≤ 1 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.5 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ .9 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.4 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 | ≤ .11 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 | ≤ .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 | ≥ 65 % | all year | 001 |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 30 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 225 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 338 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 | ≤ 90 mg/L | all year | 002 |
| Solids, total suspended | maximum weekly average | ≤ 135 mg/L | all year | 002 |
| Solids, total suspended | maximum monthly average | ≤ 83 lb/d | all year | 002 |
| Solids, total suspended | maximum weekly average | ≤ 124 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 | ≤ 10.6 lb/d | all year | 002 |
| Nitrogen, total [as N] | maximum weekly average | ≤ 15.9 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 |
| 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 | ≤ 5.1 lb/d | all year | 002 |
| Phosphorus, total [as P] | maximum weekly average | ≤ 7.7 lb/d | all year | 002 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .11 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 002 |
| Chlorine, total residual | maximum | ≤ 1 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 |
Cited limits by parameter: Mississippi's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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