NPDES permit MI0056171 · Minor NON-POTW · administratively continued, expires 2022-10-01 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2022-10-01 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (6), Mercury, total [as Hg] (5), Oxygen, dissolved [DO] (1).
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 | >= 4 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 4 mg/L | Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 37 mg/L | Apr, May, Sep, Oct, Nov |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 37 mg/L | Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 37 mg/L | Jun |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 37 mg/L | Aug |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 37 mg/L | Jul |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 140 mg/L | Apr, May, Sep, Oct, Nov |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 140 mg/L | Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 140 mg/L | Jun |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 140 mg/L | Aug |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 140 mg/L | Jul |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 47 lb/d | Jun |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 31 lb/d | Aug |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 37 lb/d | Jul |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Jun |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Aug |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Jul |
| 001 | pH | DAILY MN | >= 6.5 SU | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | pH | DAILY MN | >= 6.5 SU | Dec |
| 001 | pH | DAILY MX | <= 9 SU | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | pH | DAILY MX | <= 9 SU | Dec |
| 001 | Solids, total suspended | MO AVG | <= 27 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total suspended | MO AVG | <= 27 mg/L | Dec |
| 001 | Solids, total suspended | DAILY MX | <= 88 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total suspended | DAILY MX | <= 88 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4.9 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4.9 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10 mg/L | Dec |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Dec |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Dec |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Potassium, total [as K] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Potassium, total [as K] | DAILY MX | report only | Dec |
| 001 | Chloride [as Cl] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 001 | Sulfate, total [as SO4] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Sulfate, total [as SO4] | DAILY MX | report only | Dec |
| 001 | Boron, total [as B] | MO AVG | <= 26 mg/L | Dec |
| 001 | Boron, total [as B] | MO AVG | <= 26 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Boron, total [as B] | DAILY MX | report only | Dec |
| 001 | Boron, total [as B] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Boron, total [as B] | MO AVG | <= 190 lb/d | Dec |
| 001 | Boron, total [as B] | MO AVG | <= 190 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Boron, total [as B] | DAILY MX | report only | Dec |
| 001 | Boron, total [as B] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Copper, total [as Cu] | MO AVG | <= 38 ug/L | Dec |
| 001 | Copper, total [as Cu] | MO AVG | <= 38 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Copper, total [as Cu] | DAILY MX | <= 40 ug/L | Dec |
| 001 | Copper, total [as Cu] | DAILY MX | <= 40 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Copper, total [as Cu] | MO AVG | <= .27 lb/d | Dec |
| 001 | Copper, total [as Cu] | MO AVG | <= .27 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Copper, total [as Cu] | DAILY MX | <= .29 lb/d | Dec |
| 001 | Copper, total [as Cu] | DAILY MX | <= .29 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Nickel, total [as Ni] | MO AVG | <= 200 ug/L | Dec |
| 001 | Nickel, total [as Ni] | MO AVG | <= 200 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Nickel, total [as Ni] | DAILY MX | report only | Dec |
| 001 | Nickel, total [as Ni] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Nickel, total [as Ni] | MO AVG | <= 1.4 lb/d | Dec |
| 001 | Nickel, total [as Ni] | MO AVG | <= 1.4 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Nickel, total [as Ni] | DAILY MX | report only | Dec |
| 001 | Nickel, total [as Ni] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Zinc, total [as Zn] | MO AVG | <= 110 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Zinc, total [as Zn] | MO AVG | <= 110 ug/L | Dec |
| 001 | Zinc, total [as Zn] | DAILY MX | <= 200 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Zinc, total [as Zn] | DAILY MX | <= 200 ug/L | Dec |
| 001 | Toxicity, choice of species | MO AVG | <= 3.6 tox chronic | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Toxicity, choice of species | MO AVG | <= 3.6 tox chronic | Dec |
| 001 | Phenols | MO AVG | <= 15 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Phenols | MO AVG | <= 15 ug/L | Dec |
| 001 | Phenols | DAILY MX | <= 26 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Phenols | DAILY MX | <= 26 ug/L | Dec |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | Dec |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | Dec |
| 001 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | <= 1 tox acute | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | <= 1 tox acute | Dec |
| 001 | Solids, total dissolved | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total dissolved | DAILY MX | report only | Dec |
| 001 | Mercury, total [as Hg] | MO AVG | report only | Dec |
| 001 | Mercury, total [as Hg] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Mercury, total [as Hg] | DAILY MX | report only | Dec |
| 001 | Mercury, total [as Hg] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Mercury, total [as Hg] | MO AVG | report only | Dec |
| 001 | Mercury, total [as Hg] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Mercury, total [as Hg] | DAILY MX | report only | Dec |
| 001 | Mercury, total [as Hg] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Mercury, total [as Hg] | 1D | <= 6 ng/L | Dec |
| 001 | Mercury, total [as Hg] | 1D | <= 6 ng/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Mercury, total [as Hg] | 1D | <= .000043 lb/d | Dec |
| 001 | Mercury, total [as Hg] | 1D | <= .000043 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | p-Cresol | MO AVG | <= 14 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | p-Cresol | MO AVG | <= 14 ug/L | Dec |
| 001 | p-Cresol | DAILY MX | <= 25 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | p-Cresol | DAILY MX | <= 25 ug/L | Dec |
| 001 | Benzoic acids, total | MO AVG | <= 71 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Benzoic acids, total | MO AVG | <= 71 ug/L | Dec |
| 001 | Benzoic acids, total | DAILY MX | <= 120 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Benzoic acids, total | DAILY MX | <= 120 ug/L | Dec |
| 001 | .alpha.-Terpineol | MO AVG | <= 16 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | .alpha.-Terpineol | MO AVG | <= 16 ug/L | Dec |
| 001 | .alpha.-Terpineol | DAILY MX | <= 33 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | .alpha.-Terpineol | DAILY MX | <= 33 ug/L | Dec |
| 001 | Outfall observation,visual, y/n response | VALUE | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Outfall observation,visual, y/n response | VALUE | report only | Dec |
| 002 | Oxygen, dissolved [DO] | DAILY MN | >= 4 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | <= 37 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | <= 140 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | pH | DAILY MN | >= 6.5 SU | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | pH | DAILY MX | <= 9 SU | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Solids, total suspended | MO AVG | <= 27 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Solids, total suspended | DAILY MX | <= 88 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | <= 4.9 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phosphorus, total [as P] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phosphorus, total [as P] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phosphorus, total [as P] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phosphorus, total [as P] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Potassium, total [as K] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Chloride [as Cl] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Sulfate, total [as SO4] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Boron, total [as B] | MO AVG | <= 26 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Boron, total [as B] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Boron, total [as B] | MO AVG | <= 190 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Boron, total [as B] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Copper, total [as Cu] | MO AVG | <= 38 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Copper, total [as Cu] | DAILY MX | <= 40 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Copper, total [as Cu] | MO AVG | <= .27 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Copper, total [as Cu] | DAILY MX | <= .29 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Nickel, total [as Ni] | MO AVG | <= 200 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Nickel, total [as Ni] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Nickel, total [as Ni] | MO AVG | <= 1.4 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Nickel, total [as Ni] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Zinc, total [as Zn] | MO AVG | <= 110 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Zinc, total [as Zn] | DAILY MX | <= 200 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Toxicity, choice of species | MO AVG | <= 3.6 tox chronic | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phenols | MO AVG | <= 15 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Phenols | DAILY MX | <= 26 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | <= 1 tox acute | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Solids, total dissolved | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Mercury, total [as Hg] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Mercury, total [as Hg] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Mercury, total [as Hg] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Mercury, total [as Hg] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Mercury, total [as Hg] | 1D | <= 6 ng/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Mercury, total [as Hg] | 1D | <= .000043 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | p-Cresol | MO AVG | <= 14 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | p-Cresol | DAILY MX | <= 25 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Benzoic acids, total | MO AVG | <= 71 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Benzoic acids, total | DAILY MX | <= 120 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | .alpha.-Terpineol | MO AVG | <= 16 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | .alpha.-Terpineol | DAILY MX | <= 33 ug/L | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | Outfall observation,visual, y/n response | VALUE | report only | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
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