NPDES permit MI0044512 · Minor NON-POTW · effective, expires 2027-10-01 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31.
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 | MO AVG | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Thermal Discharge | MO AVG | report only | all year |
| 001 | Thermal Discharge | DAILY MX | report only | all year |
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 5 mg/L | all year |
| 001 | pH | DAILY MN | >= 6.5 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 | Oil & Grease | MO AVG | <= 15 mg/L | Jun |
| 001 | Oil & Grease | DAILY MX | <= 20 mg/L | Jun |
| 001 | Phosphorus, total [as P] | MO AVG | = 1 mg/L | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | = 8.2 lb/d | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Chloride [as Cl] | MO AVG | report only | all year |
| 001 | Chloride [as Cl] | DAILY MX | report only | all year |
| 001 | Sulfate, total [as SO4] | MO AVG | report only | all year |
| 001 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 001 | Arsenic, total [as As] | MO AVG | <= 10 ug/L | all year |
| 001 | Arsenic, total [as As] | DAILY MX | report only | all year |
| 001 | Arsenic, total [as As] | MO AVG | <= .082 lb/d | all year |
| 001 | Arsenic, total [as As] | DAILY MX | report only | all year |
| 001 | Toxicity, choice of species | MO AVG | report only | all year |
| 001 | Toxicity, choice of species | VALUE | report only | all year |
| 001 | Di-n-butyl phthalate | MO AVG | <= 9.7 ug/L | all year |
| 001 | Di-n-butyl phthalate | DAILY MX | report only | all year |
| 001 | Di-n-butyl phthalate | MO AVG | <= .079 lb/d | all year |
| 001 | Di-n-butyl phthalate | 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 | Chlorine, total residual | DA | <= 200 ug/L | all year |
| 001 | Chlorine, total residual | INST MAX | <= 300 ug/L | all year |
| 001 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | report only | all year |
| 001 | Solids, total dissolved | MO AVG | report only | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 001 | Solids, total dissolved | MO AVG | report only | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 001 | Chlorination duration | DAILY MX | report only | all year |
| 001 | Chlorination duration | DAILY MX | = 160 min/d | all year |
| 001 | Outfall observation,visual, y/n response | VALUE | 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 | report only | 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