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NPDES permit MI0060257 · Minor NON-POTW · administratively continued, expires 2023-10-01 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2023-10-01 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (65)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN = 6 mg/L all year
001pHDAILY MN = 6.5 SU all year
001pHDAILY MX = 9 SU all year
001Solids, total suspendedMO AVG = 20 mg/L all year
001Solids, total suspendedDAILY MX = 30 mg/L all year
001Solids, total suspendedMO AVG = 160 lb/d all year
001Solids, total suspendedDAILY MX = 300 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG = .5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]MO AVG report only Apr
001Nitrogen, ammonia total [as N]MO AVG report only Nov
001Nitrogen, ammonia total [as N]DAILY MX = 2 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX = 10 mg/L Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]DAILY MX = 4.9 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX = 5.7 mg/L Nov
001Nitrogen, ammonia total [as N]MO AVG = 10 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]MO AVG report only Apr
001Nitrogen, ammonia total [as N]MO AVG report only Nov
001Nitrogen, ammonia total [as N]DAILY MX = 40 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX = 200 lb/d Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]DAILY MX = 100 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX = 110 lb/d Nov
001Phosphorus, total [as P]MO AVG = .5 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG = 10 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Toxicity, choice of speciesMO AVG report only all year
001Toxicity, choice of speciesVALUE report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX = 38 ug/L all year
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG = 13 mg/L Apr
001BOD, carbonaceous [5 day, 20 C]MO AVG = 4 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG = 22 mg/L Jan, Feb, Mar, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG = 13 mg/L Nov
001BOD, carbonaceous [5 day, 20 C]DAILY MX = 20 mg/L Apr
001BOD, carbonaceous [5 day, 20 C]DAILY MX = 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX = 33 mg/L Jan, Feb, Mar, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX = 19 mg/L Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG = 130 lb/d Apr
001BOD, carbonaceous [5 day, 20 C]MO AVG = 80 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG = 130 lb/d Jan, Feb, Mar, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG = 130 lb/d Nov
001BOD, carbonaceous [5 day, 20 C]DAILY MX = 260 lb/d Apr
001BOD, carbonaceous [5 day, 20 C]DAILY MX = 200 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX = 260 lb/d Jan, Feb, Mar, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX = 260 lb/d Nov
001Outfall observation,visual, y/n responseVALUE report only all year
001TU Static 24 Hr Acute Pimephales promelasDAILY MX report only all year
001Static 48 Hr Chronic Pimphales PromelasMO AVG report only all year
001Static 48 Hr Chronic Pimphales PromelasVALUE 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