NPDES permit MI0022276 · Major POTW · effective, expires 2030-10-01 · EPA's file as of 2026-09-26
Keep this permit as a site — opens New site at EPA's facility point (42.3449, -85.2656); you set the radius.
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
These are the last limits EPA's file holds for this permit, from an earlier version of it (version 5 in EPA's file): its current version carries none yet. Read your permit: a renewal can change them.
Last period with anything received: 2026-08-31.
Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
Each concentration limit against the same limit in comparable permits. Where it appears more than once, its strictest value.
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | daily minimum | >= 4 mg/L | all year |
| 001 | pH | daily minimum | >= 6.5 SU | all year |
| 001 | pH | daily maximum | <= 9 SU | all year |
| 001 | Solids, total suspended | monthly average | <= 30 mg/L | all year |
| 001 | Solids, total suspended | 7-day average | <= 45 mg/L | all year |
| 001 | Solids, total suspended | monthly average | <= 4500 lb/d | all year |
| 001 | Solids, total suspended | 7-day average | <= 6800 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | monthly average | <= 2 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | monthly average | <= 6.5 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | daily maximum | report only | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | daily maximum | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | monthly average | <= 300 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | monthly average | <= 980 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | daily maximum | report only | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | daily maximum | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Phosphorus, total [as P] | monthly average | = 1 mg/L | all year |
| 001 | Phosphorus, total [as P] | daily maximum | report only | all year |
| 001 | Phosphorus, total [as P] | monthly average | <= 150 lb/d | all year |
| 001 | Phosphorus, total [as P] | daily maximum | report only | all year |
| 001 | Cyanide [A] | monthly average | = 15 ug/L | all year |
| 001 | Cyanide [A] | daily maximum | = 44 ug/L | all year |
| 001 | Cyanide [A] | monthly average | = 2.3 lb/d | all year |
| 001 | Cyanide [A] | daily maximum | = 6.6 lb/d | all year |
| 001 | Hexachlorocyclopentadiene | monthly average | report only | all year |
| 001 | Hexachlorocyclopentadiene | daily maximum | report only | all year |
| 001 | Hexachlorocyclopentadiene | monthly average | report only | all year |
| 001 | Hexachlorocyclopentadiene | daily maximum | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | monthly average | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | daily maximum | report only | all year |
| 001 | Chlorine, total residual | daily maximum | <= 38 ug/L | all year |
| 001 | Perfluorooctanoic acid (PFOA) | monthly average | report only | all year |
| 001 | Perfluorooctanoic acid (PFOA) | daily maximum | report only | all year |
| 001 | Perfluorooctanoic acid (PFOA) | monthly average | report only | all year |
| 001 | Perfluorooctanoic acid (PFOA) | daily maximum | report only | all year |
| 001 | Perfluorooctanesulfonate | monthly average | report only | all year |
| 001 | Perfluorooctanesulfonate | daily maximum | report only | all year |
| 001 | Perfluorooctanesulfonate | monthly average | report only | all year |
| 001 | Perfluorooctanesulfonate | daily maximum | report only | all year |
| 001 | Mercury, total [as Hg] | monthly average | report only | all year |
| 001 | Mercury, total [as Hg] | daily maximum | report only | all year |
| 001 | Mercury, total [as Hg] | monthly average | report only | all year |
| 001 | Mercury, total [as Hg] | daily maximum | report only | all year |
| 001 | Mercury, total [as Hg] | 1D | <= 4 ng/L | all year |
| 001 | Mercury, total [as Hg] | 1D | <= .0006 lb/d | all year |
| 001 | Coliform, fecal general | monthly geometric mean | <= 200 #/100mL | all year |
| 001 | Coliform, fecal general | 7-day geometric mean | <= 400 #/100mL | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | monthly average | <= 20 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | monthly average | <= 25 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | daily maximum | <= 30 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7-day average | <= 40 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | monthly average | <= 3000 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | monthly average | <= 3800 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7-day average | <= 4500 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7-day average | <= 6000 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, carb-5 day, 20 deg C, percent removal | minimum | >= 85 % | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, carb-5 day, 20 deg C, percent removal | daily minimum | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Solids, suspended percent removal | minimum | >= 85 % | all year |
| 001 | Solids, suspended percent removal | daily minimum | report only | all year |
| SLD | Solids, total | monthly minimum | report only | all year |
| SLD | Solids, total | monthly average | report only | all year |
| SLD | Solids, total | monthly maximum | report only | all year |
| SLD | Arsenic, dry weight | monthly minimum | report only | all year |
| SLD | Arsenic, dry weight | monthly average | report only | all year |
| SLD | Arsenic, dry weight | monthly maximum | <= 75 mg/kg | all year |
| SLD | Selenium, dry weight | monthly minimum | report only | all year |
| SLD | Selenium, dry weight | monthly average | report only | all year |
| SLD | Selenium, dry weight | monthly maximum | <= 100 mg/kg | all year |
| SLD | Copper, dry weight | monthly minimum | report only | all year |
| SLD | Copper, dry weight | monthly average | report only | all year |
| SLD | Copper, dry weight | monthly maximum | <= 4300 mg/kg | all year |
| SLD | Cadmium, dry weight | monthly minimum | report only | all year |
| SLD | Cadmium, dry weight | monthly average | report only | all year |
| SLD | Cadmium, dry weight | monthly maximum | <= 85 mg/kg | all year |
| SLD | Nitrogen, total Kjeldahl | monthly minimum | report only | all year |
| SLD | Nitrogen, total Kjeldahl | monthly average | report only | all year |
| SLD | Nitrogen, total Kjeldahl | monthly maximum | report only | all year |
| SLD | Molybdenum, sludge, total, dry weight [as Mo] | monthly minimum | report only | all year |
| SLD | Molybdenum, sludge, total, dry weight [as Mo] | monthly average | report only | all year |
| SLD | Molybdenum, sludge, total, dry weight [as Mo] | monthly maximum | <= 75 mg/kg | all year |
| SLD | Zinc, sludge, total, dry weight [as Zn] | monthly minimum | report only | all year |
| SLD | Zinc, sludge, total, dry weight [as Zn] | monthly average | report only | all year |
| SLD | Zinc, sludge, total, dry weight [as Zn] | monthly maximum | <= 7500 mg/kg | all year |
| SLD | Lead, sludge, total, dry weight [as Pb] | monthly minimum | report only | all year |
| SLD | Lead, sludge, total, dry weight [as Pb] | monthly average | report only | all year |
| SLD | Lead, sludge, total, dry weight [as Pb] | monthly maximum | <= 840 mg/kg | all year |
| SLD | Nickel, sludge, total, dry weight [as Ni] | monthly minimum | report only | all year |
| SLD | Nickel, sludge, total, dry weight [as Ni] | monthly average | report only | all year |
| SLD | Nickel, sludge, total, dry weight [as Ni] | monthly maximum | <= 420 mg/kg | all year |
| SLD | Nitrogen, sludge, total, dry weight [as N] | monthly minimum | report only | all year |
| SLD | Nitrogen, sludge, total, dry weight [as N] | monthly average | report only | all year |
| SLD | Nitrogen, sludge, total, dry weight [as N] | monthly maximum | report only | all year |
| SLD | Mercury, sludge, total, dry weight [as Hg] | monthly minimum | report only | all year |
| SLD | Mercury, sludge, total, dry weight [as Hg] | monthly average | report only | all year |
| SLD | Mercury, sludge, total, dry weight [as Hg] | monthly maximum | <= 57 mg/kg | all year |
| SLD | Potassium, sludge, total, dry weight [as K] | monthly minimum | report only | all year |
| SLD | Potassium, sludge, total, dry weight [as K] | monthly average | report only | all year |
| SLD | Potassium, sludge, total, dry weight [as K] | monthly maximum | report only | all year |
| SLD | Phosphorus, sludge, total, dry weight [as P] | monthly minimum | report only | all year |
| SLD | Phosphorus, sludge, total, dry weight [as P] | monthly average | report only | all year |
| SLD | Phosphorus, sludge, total, dry weight [as P] | monthly maximum | 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