NPDES permit MI0003042 · Minor 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.
Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 6 mg/L | Mar, Apr, May, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 118 lb/d | Mar, Apr, May, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 236 lb/d | Mar, Apr, May, Oct, Nov, Dec |
| 001 | pH | DAILY MN | >= 6.5 SU | Mar, Apr, May, Oct, Nov, Dec |
| 001 | pH | DAILY MX | <= 9 SU | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Solids, total suspended | DAILY MX | <= 30 mg/L | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 143 lb/d | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Solids, total suspended | DAILY MX | <= 287 lb/d | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Oil & Grease | MO AVG | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Oil & Grease | DAILY MX | <= 10 mg/L | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Oil & Grease | MO AVG | <= 42 lb/d | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Oil & Grease | DAILY MX | <= 84 lb/d | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Nitrogen, total [as N] | MO AVG | <= 134 mg/L | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Nitrogen, total [as N] | DAILY MX | <= 194 mg/L | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4 mg/L | Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 3.6 mg/L | Mar, Apr, May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8 mg/L | Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 4.6 mg/L | Mar, Apr, May |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 100 lb/d | Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 90 lb/d | Mar, Apr, May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 200 lb/d | Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 115 lb/d | Mar, Apr, May |
| 001 | Phosphorus, total [as P] | MO AVG | <= 1 mg/L | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO AVG | <= 25 lb/d | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Chloride [as Cl] | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Sulfate, total [as SO4] | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Iron, total [as Fe] | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Toxicity, choice of species | MO AVG | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Toxicity, choice of species | VALUE | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Solids, total dissolved | MO AVG | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Solids, total dissolved | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Coliform, fecal general | MO GEOMN | <= 200 #/100mL | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Coliform, fecal general | DAILY MX | <= 400 #/100mL | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Outfall observation,visual, y/n response | VALUE | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | TU Static 24 Hr Acute Pimephales promelas | DAILY MX | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Static 48 Hr Chronic Pimphales Promelas | MO AVG | report only | Mar, Apr, May, Oct, Nov, Dec |
| 001 | Static 48 Hr Chronic Pimphales Promelas | VALUE | report only | Mar, Apr, May, Oct, Nov, Dec |
| 002 | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| 002 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 002 | pH | DAILY MN | >= 6.5 SU | all year |
| 002 | pH | DAILY MX | <= 9 SU | all year |
| 002 | Chloride [as Cl] | DAILY MX | report only | all year |
| 002 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 002 | Toxicity, choice of species | MO AVG | report only | all year |
| 002 | Toxicity, choice of species | VALUE | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 002 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | report only | all year |
| 002 | Solids, total dissolved | MO AVG | report only | all year |
| 002 | Solids, total dissolved | DAILY MX | report only | all year |
| 002 | Duration of discharge | DAILY MX | report only | all year |
| 002 | Outfall observation,visual, y/n response | VALUE | report only | all year |
| 002 | TU Static 24 Hr Acute Pimephales promelas | DAILY MX | report only | all year |
| 002 | Static 48 Hr Chronic Pimphales Promelas | MO AVG | report only | all year |
| 002 | Static 48 Hr Chronic Pimphales Promelas | VALUE | report only | all year |
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