NPDES permit MS0020567 · Major POTW · effective, expires 2030-01-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: E. coli (3), BOD, 5-day, 20 deg. C (3), Solids, suspended percent removal (2).
Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 002 | Oxygen, dissolved [DO] | MINIMUM | >= 6 mg/L | all year |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | <= 30 mg/L | all year |
| 002 | BOD, 5-day, 20 deg. C | MX WK AV | <= 45 mg/L | all year |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | <= 750 lb/d | all year |
| 002 | BOD, 5-day, 20 deg. C | MX WK AV | <= 1125 lb/d | all year |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 002 | BOD, 5-day, 20 deg. C | MX WK AV | report only | all year |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 002 | BOD, 5-day, 20 deg. C | MX WK AV | report only | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | <= 90 mg/L | all year |
| 002 | Solids, total suspended | MX WK AV | <= 90 mg/L | all year |
| 002 | Solids, total suspended | MO AVG | <= 2247 lb/d | all year |
| 002 | Solids, total suspended | MX WK AV | <= 2247 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 | <= 287.7 lb/d | all year |
| 002 | Nitrogen, total [as N] | MX WK AV | <= 431.6 lb/d | 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 | <= 6 mg/L | all year |
| 002 | Nitrogen, ammonia total [as N] | MX WK AV | <= 9 mg/L | all year |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | <= 150 lb/d | all year |
| 002 | Nitrogen, ammonia total [as N] | MX WK AV | <= 225 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 | <= 130.1 lb/d | all year |
| 002 | Phosphorus, total [as P] | MX WK AV | <= 195.2 lb/d | 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 | Flow, in conduit or thru treatment plant | MO AVG | <= 3 MGD | all year |
| 002 | Flow, in conduit or thru treatment plant | MX WK AV | report only | all year |
| 002 | Chlorine, total residual | MO AVG | <= .134 mg/L | all year |
| 002 | Chlorine, total residual | MX WK AV | <= .232 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, 5-day, percent removal | MINIMUM | >= 65 % | all year |
| 002 | Solids, suspended percent removal | MINIMUM | >= 65 % | all year |
| 002 | %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | MINIMUM | >= 6.41 % | all year |
| 002 | %Effect Static Renewal 7Day Chronic Pimephales promelas | MINIMUM | >= 6.41 % | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states