NPDES permit MI0052329 · 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 (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | DAILY MN | >= 6.5 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | = 5 mg/L | Jan, Feb, Mar, Apr, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.3 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | = 3.2 mg/L | Oct, Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jan, Feb, Mar, Apr, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Oct, Nov |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | = 12 lb/d | Jan, Feb, Mar, Apr, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 3.1 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | = 7.7 lb/d | Oct, Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jan, Feb, Mar, Apr, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Oct, Nov |
| 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 | <= 2.4 lb/d | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | 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 | Arsenic, total [as As] | DAILY MX | report only | all year |
| 001 | Toxicity, choice of species | MO AVG | <= 1.2 tox chronic | all year |
| 001 | Toxicity, choice of species | DAILY MX | report only | all year |
| 001 | Equipment inspection - visual | VALUE | 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 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | <= 1 tox acute | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 001 | Ethyl ether, by gas chromatograph | DAILY MX | = 5 ug/L | all year |
| 001 | Ethyl ether, by gas chromatograph | 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 | <= 1 tox acute | all year |
| 001 | Static 48 Hr Chronic Pimphales Promelas | MO AVG | <= 1.2 tox chronic | all year |
| 001 | Static 48 Hr Chronic Pimphales Promelas | DAILY MX | 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