NPDES permit MSP092486 · Minor NON-POTW · effective, expires 2031-07-31 · EPA's file as of 2026-09-19
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| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Nickel, total recoverable | MO AVG | <= 2.38 mg/L | all year |
| 001 | Nickel, total recoverable | DAILY MX | <= .69 mg/L | all year |
| 001 | Nickel, total recoverable | MO AVG | <= .0298 lb/d | all year |
| 001 | Nickel, total recoverable | DAILY MX | <= .0498 lb/d | all year |
| 001 | Silver total recoverable | MO AVG | <= .24 mg/L | all year |
| 001 | Silver total recoverable | DAILY MX | <= .43 mg/L | all year |
| 001 | Silver total recoverable | MO AVG | <= .003 lb/d | all year |
| 001 | Silver total recoverable | DAILY MX | <= .0054 lb/d | all year |
| 001 | Zinc, total recoverable | MO AVG | <= .24 mg/L | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= .43 mg/L | all year |
| 001 | Zinc, total recoverable | MO AVG | <= .0185 lb/d | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= .0327 lb/d | all year |
| 001 | Cadmium, total recoverable | MO AVG | <= .07 mg/L | all year |
| 001 | Cadmium, total recoverable | DAILY MX | <= .11 mg/L | all year |
| 001 | Cadmium, total recoverable | MO AVG | <= .0009 lb/d | all year |
| 001 | Cadmium, total recoverable | DAILY MX | <= .0014 lb/d | all year |
| 001 | Lead, total recoverable | MO AVG | <= .43 mg/L | all year |
| 001 | Lead, total recoverable | DAILY MX | <= .69 mg/L | all year |
| 001 | Lead, total recoverable | MO AVG | <= .0054 lb/d | all year |
| 001 | Lead, total recoverable | DAILY MX | <= .0086 lb/d | all year |
| 001 | Chromium, total recoverable | MO AVG | <= 1.71 mg/L | all year |
| 001 | Chromium, total recoverable | DAILY MX | <= 2.77 mg/L | all year |
| 001 | Chromium, total recoverable | MO AVG | <= .0214 lb/d | all year |
| 001 | Chromium, total recoverable | DAILY MX | <= .0347 lb/d | all year |
| 001 | Copper, total recoverable | MO AVG | <= 2.07 mg/L | all year |
| 001 | Copper, total recoverable | DAILY MX | <= 3.38 mg/L | all year |
| 001 | Copper, total recoverable | MO AVG | <= .0259 lb/d | all year |
| 001 | Copper, total recoverable | DAILY MX | <= .0423 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | <= .115 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Total toxic organics [TTO] [40 CFR433] | DAILY MX | <= 2.13 mg/L | all year |
| 001 | Cyanide, total recoverable | MO AVG | <= .65 mg/L | all year |
| 001 | Cyanide, total recoverable | DAILY MX | <= 1.2 mg/L | all year |
| 001 | Cyanide, total recoverable | MO AVG | <= .0081 lb/d | all year |
| 001 | Cyanide, total recoverable | DAILY MX | <= .015 lb/d | 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