NPDES permit MI0056367 · 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. Most often over: Toxicity, choice of species (2).
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 | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | 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 | <= 20 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 33 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 50 lb/d | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | May, Jun, Jul, Aug, Sep |
| 001 | Phosphorus, total [as P] | MO AVG | <= 1 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | May, Jun, Jul, Aug, Sep |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO AVG | <= 1.7 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO AVG | report only | May, Jun, Jul, Aug, Sep |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | May, Jun, Jul, Aug, Sep |
| 001 | Phosphorus, total [as P] | MO AVG | = 10 lb/mo | May, Jun, Jul, Aug, Sep |
| 001 | Chloride [as Cl] | MO AVG | report only | all year |
| 001 | Chloride [as Cl] | 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] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | 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 | Solids, total dissolved | MO AVG | report only | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 001 | Outfall observation,visual, y/n response | VALUE | report only | all year |
| 002 | Oxygen, dissolved [DO] | DAILY MN | >= 6 mg/L | all year |
| 002 | pH | DAILY MN | >= 6.5 SU | all year |
| 002 | pH | DAILY MX | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | <= 20 mg/L | all year |
| 002 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| 002 | Solids, total suspended | MO AVG | <= 83 lb/d | all year |
| 002 | Solids, total suspended | DAILY MX | <= 130 lb/d | all year |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | <= .5 mg/L | all year |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2 mg/L | all year |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | <= 2.1 lb/d | all year |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8.3 lb/d | all year |
| 002 | Phosphorus, total [as P] | MO AVG | <= .5 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phosphorus, total [as P] | MO AVG | <= 1 mg/L | Jan, Feb, Mar, Dec |
| 002 | Phosphorus, total [as P] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phosphorus, total [as P] | DAILY MX | report only | Jan, Feb, Mar, Dec |
| 002 | Phosphorus, total [as P] | MO AVG | <= 2.1 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phosphorus, total [as P] | MO AVG | <= 4.2 lb/d | Jan, Feb, Mar, Dec |
| 002 | Phosphorus, total [as P] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phosphorus, total [as P] | DAILY MX | report only | Jan, Feb, Mar, Dec |
| 002 | Chloride [as Cl] | DAILY MX | report only | all year |
| 002 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 002 | Copper, total [as Cu] | MO AVG | report only | all year |
| 002 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 002 | Copper, total [as Cu] | MO AVG | report only | all year |
| 002 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 002 | Toxicity, choice of species | MO AVG | = 1.1 tox chronic | 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 | Chlorine, total residual | DAILY MX | = 38 ug/L | all year |
| 002 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | <= 1 tox acute | all year |
| 002 | Solids, total dissolved | MO AVG | report only | all year |
| 002 | Solids, total dissolved | DAILY MX | report only | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 4 mg/L | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 10 mg/L | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 17 lb/d | all year |
| 002 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 42 lb/d | all year |
| 002 | Outfall observation,visual, y/n response | VALUE | report only | all year |
| 002 | TU Static 24 Hr Acute Pimephales promelas | DAILY MX | <= 1 tox acute | all year |
| 002 | Static 48 Hr Chronic Pimphales Promelas | MO AVG | = 1.1 tox chronic | all year |
| 002 | Static 48 Hr Chronic Pimphales Promelas | VALUE | report only | all year |
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