NPDES permit MS0028258 · Major NON-POTW · effective, expires 2030-11-30 · 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: Flow, in conduit or thru treatment plant (1).
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 |
|---|---|---|---|---|
| 002 | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| 002 | Temperature, water deg. fahrenheit | DAILY MX | <= 90 deg F | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 002 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 002 | Solids, total suspended | MO AVG | report only | all year |
| 002 | Solids, total suspended | DAILY MX | report only | all year |
| 002 | Oil & Grease | MO AVG | <= 10 mg/L | all year |
| 002 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 002 | Oil & Grease | MO AVG | report only | all year |
| 002 | Oil & Grease | DAILY MX | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | <= 6.13 MGD | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 002 | pH range excursions, > 60 minutes | MO TOTAL | <= 0 occur/mo | all year |
| 002 | pH range excursions, monthly total accum | MO TOTAL | <= 446 min | all year |
| 007 | BOD, 5-day, 20 deg. C | ANNL AVG | report only | all year |
| 007 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 007 | pH | MINIMUM | >= 6 SU | all year |
| 007 | pH | MAXIMUM | <= 9 SU | all year |
| 007 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 007 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 007 | Oil & Grease | MO AVG | <= 15 mg/L | all year |
| 007 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 007 | Nitrogen, Kjeldahl, total [as N] | ANNL AVG | report only | all year |
| 007 | Nitrogen, Kjeldahl, total [as N] | DAILY MX | report only | all year |
| 007 | Iron, total recoverable | MO AVG | <= 1.06 mg/L | all year |
| 007 | Iron, total recoverable | DAILY MX | report only | all year |
| 007 | Iron, total recoverable | MO AVG | <= 2.56 lb/d | all year |
| 007 | Iron, total recoverable | DAILY MX | report only | all year |
| 007 | Selenium, total recoverable | MO AVG | <= .005 mg/L | all year |
| 007 | Selenium, total recoverable | DAILY MX | <= .013 mg/L | all year |
| 007 | Selenium, total recoverable | MO AVG | <= .012 lb/d | all year |
| 007 | Selenium, total recoverable | DAILY MX | <= .03 lb/d | all year |
| 201 | Chlorine, total residual [dsg. time] | MO AVG | report only | all year |
| 201 | Chlorine, total residual [dsg. time] | DAILY MX | <= 120 min/d | all year |
| 201 | pH | MINIMUM | report only | all year |
| 201 | pH | MAXIMUM | report only | all year |
| 201 | Zinc, total recoverable | MO AVG | <= 1 mg/L | all year |
| 201 | Zinc, total recoverable | DAILY MX | <= 1 mg/L | all year |
| 201 | Zinc, total recoverable | MO AVG | report only | all year |
| 201 | Zinc, total recoverable | DAILY MX | report only | all year |
| 201 | Chromium, total recoverable | MO AVG | <= .2 mg/L | all year |
| 201 | Chromium, total recoverable | DAILY MX | <= .2 mg/L | all year |
| 201 | Chromium, total recoverable | MO AVG | report only | all year |
| 201 | Chromium, total recoverable | DAILY MX | report only | all year |
| 201 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 201 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 201 | Chlorine, total residual | MO AVG | report only | all year |
| 201 | Chlorine, total residual | DAILY MX | report only | all year |
| 201 | Chlorine, free available | MO AVG | <= .2 mg/L | all year |
| 201 | Chlorine, free available | DAILY MX | <= .5 mg/L | all year |
| 201 | Chlorine, free available | MO AVG | report only | all year |
| 201 | Chlorine, free available | DAILY MX | report only | all year |
| 202 | pH | MINIMUM | report only | all year |
| 202 | pH | MAXIMUM | report only | all year |
| 202 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 202 | Solids, total suspended | DAILY MX | <= 50 mg/L | all year |
| 202 | Solids, total suspended | MO AVG | report only | all year |
| 202 | Solids, total suspended | DAILY MX | report only | all year |
| 202 | Oil & Grease | MO AVG | <= 15 mg/L | all year |
| 202 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 202 | Oil & Grease | MO AVG | report only | all year |
| 202 | Oil & Grease | DAILY MX | report only | all year |
| 202 | Iron, total recoverable | MO AVG | <= 1 mg/L | all year |
| 202 | Iron, total recoverable | DAILY MX | <= 1 mg/L | all year |
| 202 | Iron, total recoverable | MO AVG | report only | all year |
| 202 | Iron, total recoverable | DAILY MX | report only | all year |
| 202 | Copper, total recoverable | MO AVG | <= 1 mg/L | all year |
| 202 | Copper, total recoverable | DAILY MX | <= 1 mg/L | all year |
| 202 | Copper, total recoverable | MO AVG | report only | all year |
| 202 | Copper, total recoverable | DAILY MX | report only | all year |
| 202 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 202 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 203 | E. coli | ANNL MAX | report only | 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