NPDES permit MS0000191 · Major NON-POTW · effective, expires 2030-10-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
Last period with anything received: 2026-07-31.
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 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 8815 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 17442 lb/d | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 18925 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 37850 lb/d | all year |
| 001 | Nitrogen, total [as N] | MO AVG | <= 4154 lb/d | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | <= 6231 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 19 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 28 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 2755 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 4133 lb/d | all year |
| 001 | Phosphorus, total [as P] | MO AVG | <= 517 lb/d | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | <= 776 lb/d | all year |
| 001 | Flow, total | MO AVG | report only | all year |
| 001 | Flow, total | DAILY MX | report only | all year |
| 001 | IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | MINIMUM | >= 3 % | all year |
| 001 | IC25 Static Renewal 7 Day Chronic Chrpimephales | MINIMUM | >= 3 % | 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