NPDES permit MI0000892 · Major NON-POTW · effective, expires 2026-10-01 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31. Most often over: Oxygen, dissolved [DO] (1).
Reports are due about 21 days after each monitoring period ends (the most common figure among MI permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 4 mg/L | all year |
| 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 | <= 821 lb/qtr | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 2460 lb/qtr | all year |
| 001 | pH | DAILY MN | >= 6 SU | all year |
| 001 | pH | DAILY MX | <= 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 | <= 724 lb/qtr | all year |
| 001 | Solids, total suspended | DAILY MX | <= 2560 lb/qtr | all year |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= 25 ug/L | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= 2.1 lb/qtr | all year |
| 001 | Toxicity, choice of species | MO AVG | = 4.8 tox chronic | all year |
| 001 | Toxicity, choice of species | VALUE | report only | all year |
| 001 | Benzidine | MO AVG | < .1 ug/L | all year |
| 001 | Benzidine | DAILY MX | report only | all year |
| 001 | Benzidine | MO AVG | report only | all year |
| 001 | Benzidine | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Chlorine, total residual | DAILY MX | = 38 ug/L | all year |
| 001 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | report only | all year |
| 001 | Outfall observation,visual, y/n response | VALUE | report only | all year |
| 001 | TU Static 24 Hr Acute Pimephales promelas | DAILY MX | report only | all year |
| 001 | Static 48 Hr Chronic Pimphales Promelas | MO AVG | = 4.8 tox chronic | all year |
| 001 | Static 48 Hr Chronic Pimphales Promelas | VALUE | 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