NPDES permit MS0057517 · Major POTW · effective, expires 2030-12-31 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31. Most often over: E. coli (22), Nitrogen, ammonia total [as N] (15), BOD, carbonaceous [5 day, 20 C] (13).
Reports are due about 28 days after each monitoring period ends (the most common figure among MS permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | MINIMUM | >= 6 mg/L | all year |
| 001 | Oxygen, dissolved [DO] | MINIMUM | report only | all year |
| 001 | Oxygen, dissolved [DO] | MAXIMUM | report only | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 90 mg/L | all year |
| 001 | Solids, total suspended | MX WK AV | <= 45 mg/L | all year |
| 001 | Solids, total suspended | MX WK AV | <= 135 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 2000 lb/d | all year |
| 001 | Solids, total suspended | MO AVG | <= 6005 lb/d | all year |
| 001 | Solids, total suspended | MX WK AV | <= 3000 lb/d | all year |
| 001 | Solids, total suspended | MX WK AV | <= 9007 lb/d | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | MX WK AV | report only | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | MX WK AV | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | MX WK AV | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | MX WK AV | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | MX WK AV | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | MX WK AV | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 2 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MX WK AV | <= 3 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 135 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MX WK AV | <= 200 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MX WK AV | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MX MO AV | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MX WK AV | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MX WK AV | report only | all year |
| 001 | Zinc, total recoverable | MO AVG | <= .392 mg/L | all year |
| 001 | Zinc, total recoverable | MO AVG | report only | all year |
| 001 | Zinc, total recoverable | MX WK AV | <= .392 mg/L | all year |
| 001 | Zinc, total recoverable | MX WK AV | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | <= 8 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | MX WK AV | report only | all year |
| 001 | Chlorine, total residual | MO AVG | <= .066 mg/L | all year |
| 001 | Chlorine, total residual | MO AVG | report only | all year |
| 001 | Chlorine, total residual | MX WK AV | <= .115 mg/L | all year |
| 001 | Chlorine, total residual | MX WK AV | <= 1 mg/L | all year |
| 001 | E. coli | MO AVG | <= 126 #/100mL | all year |
| 001 | E. coli | MX MO AV | <= 126 #/100mL | all year |
| 001 | E. coli | MX WK AV | <= 410 #/100mL | all year |
| 001 | E. coli | MX WK AV | <= 410 #/100mL | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 11 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 25 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 16 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 37.5 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 734 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 1668 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 1101 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 2502 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 001 | BOD, carbonaceous, percent removal | MINIMUM | >= 85 % | all year |
| 001 | BOD, carbonaceous, percent removal | MINIMUM | report only | all year |
| 001 | Solids, suspended percent removal | MINIMUM | >= 85 % | all year |
| 001 | Solids, suspended percent removal | MINIMUM | report only | all year |
| 001 | Sludge settleability 30 minute | MINIMUM | report only | all year |
| 001 | Sludge settleability 30 minute | MAXIMUM | report only | all year |
| 001 | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MINIMUM | >= 16.56 % | all year |
| 001 | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MINIMUM | report only | all year |
| 001 | %Effect Static Renewal 7Day Chronic Pimephales promelas | MINIMUM | >= 16.56 % | all year |
| 001 | %Effect Static Renewal 7Day Chronic Pimephales promelas | MINIMUM | report only | all year |
| 002 | Oxygen, dissolved [DO] | MINIMUM | >= 6 mg/L | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | report only | all year |
| 002 | Solids, total suspended | MX WK AV | report only | all year |
| 002 | Solids, total suspended | MO AVG | <= 3002 lb/d | all year |
| 002 | Solids, total suspended | MX WK AV | <= 4503 lb/d | all year |
| 002 | Solids, total suspended | MO AVG | report only | all year |
| 002 | Solids, total suspended | MX WK AV | report only | all year |
| 002 | Solids, total suspended | MO AVG | report only | all year |
| 002 | Solids, total suspended | MX WK AV | report only | all year |
| 002 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, total [as N] | MX WK AV | report only | all year |
| 002 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, total [as N] | MX MO AV | report only | all year |
| 002 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, total [as N] | MX WK AV | report only | all year |
| 002 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, total [as N] | MX WK AV | report only | all year |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | <= 700 lb/d | all year |
| 002 | Nitrogen, ammonia total [as N] | MX WK AV | <= 1050 lb/d | all year |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 002 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 002 | Phosphorus, total [as P] | MX WK AV | report only | all year |
| 002 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 002 | Phosphorus, total [as P] | MX WK AV | report only | all year |
| 002 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 002 | Phosphorus, total [as P] | MX WK AV | report only | all year |
| 002 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 002 | Phosphorus, total [as P] | MX WK AV | report only | all year |
| 002 | Zinc, total recoverable | MO AVG | <= .367 mg/L | all year |
| 002 | Zinc, total recoverable | MX WK AV | <= .367 mg/L | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | <= 12 MGD | all year |
| 002 | Flow, in conduit or thru treatment plant | MX WK AV | report only | all year |
| 002 | Chlorine, total residual | MO AVG | <= .062 mg/L | all year |
| 002 | Chlorine, total residual | MX WK AV | <= .093 mg/L | all year |
| 002 | E. coli | MO AVG | <= 126 #/100mL | all year |
| 002 | E. coli | MX WK AV | <= 410 #/100mL | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 2502 lb/d | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 3753 lb/d | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 002 | BOD, carbonaceous, percent removal | MINIMUM | >= 85 % | all year |
| 002 | Solids, suspended percent removal | MINIMUM | >= 85 % | all year |
| 002 | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MINIMUM | >= 16.56 % | all year |
| 002 | %Effect Static Renewal 7Day Chronic Pimephales promelas | MINIMUM | >= 16.56 % | all year |
| 102 | Oxygen, dissolved [DO] | MINIMUM | report only | all year |
| 102 | Oxygen, dissolved [DO] | MAXIMUM | report only | all year |
| 102 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 102 | Solids, total suspended | MX WK AV | <= 45 mg/L | all year |
| 102 | Solids, total suspended | MO AVG | report only | all year |
| 102 | Solids, total suspended | MX WK AV | report only | all year |
| 102 | Nitrogen, ammonia total [as N] | MO AVG | <= 7 mg/L | all year |
| 102 | Nitrogen, ammonia total [as N] | MX WK AV | <= 10.5 mg/L | all year |
| 102 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 102 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 102 | Flow, in conduit or thru treatment plant | MO AVG | <= 8 MGD | all year |
| 102 | Flow, in conduit or thru treatment plant | MX WK AV | report only | all year |
| 102 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 25 mg/L | all year |
| 102 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 37.5 mg/L | all year |
| 102 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 102 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 102 | Sludge settleability 30 minute | MINIMUM | report only | all year |
| 102 | Sludge settleability 30 minute | MAXIMUM | report only | all year |
| 202 | Oxygen, dissolved [DO] | MINIMUM | report only | all year |
| 202 | Oxygen, dissolved [DO] | MAXIMUM | report only | all year |
| 202 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 202 | Solids, total suspended | MX WK AV | <= 45 mg/L | all year |
| 202 | Solids, total suspended | MO AVG | report only | all year |
| 202 | Solids, total suspended | MX WK AV | report only | all year |
| 202 | Nitrogen, ammonia total [as N] | MO AVG | <= 7 mg/L | all year |
| 202 | Nitrogen, ammonia total [as N] | MX WK AV | <= 10.5 mg/L | all year |
| 202 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 202 | Nitrogen, ammonia total [as N] | MX WK AV | report only | all year |
| 202 | Flow, in conduit or thru treatment plant | MO AVG | <= 4 MGD | all year |
| 202 | Flow, in conduit or thru treatment plant | MX WK AV | report only | all year |
| 202 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 25 mg/L | all year |
| 202 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 37.5 mg/L | all year |
| 202 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 202 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | all year |
| 202 | Sludge settleability 30 minute | MINIMUM | report only | all year |
| 202 | Sludge settleability 30 minute | MAXIMUM | report only | all year |
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