Michigan Milk Producers Association

NPDES permit MI0043427 · Minor NON-POTW · effective, expires 2028-10-01 · 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.

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

15values over a limit
6required values missing, on 6 form(s)
7of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Phosphorus, total [as P] (6), Nitrogen, ammonia total [as N] (6), Oxygen, dissolved [DO] (3).

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 (59)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Chloride [as Cl]DAILY MX 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
001Solids, total dissolvedMO AVG <= 650 mg/L all year
001Solids, total dissolvedDAILY MX report only all year
001Outfall observation,visual, y/n responseVALUE report only all year
002Oxygen, dissolved [DO]DAILY MN >= 5 mg/L May, Jun, Jul, Aug, Sep
002Oxygen, dissolved [DO]DAILY MN >= 3 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Solids, total suspendedMO AVG <= 180 lb/d all year
002Solids, total suspendedDAILY MX <= 300 lb/d all year
002Nitrogen, ammonia total [as N]MO AVG <= 3.2 mg/L May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]MO AVG <= 7.6 mg/L Oct, Nov
002Nitrogen, ammonia total [as N]MO AVG <= 18 mg/L Jan, Feb, Mar, Apr, Dec
002Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]DAILY MX <= 25 mg/L Oct, Nov
002Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Dec
002Nitrogen, ammonia total [as N]MO AVG <= 21 lb/d May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]MO AVG <= 51 lb/d Oct, Nov
002Nitrogen, ammonia total [as N]MO AVG <= 120 lb/d Jan, Feb, Mar, Apr, Dec
002Nitrogen, ammonia total [as N]DAILY MX <= 27 lb/d May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]DAILY MX <= 170 lb/d Oct, Nov
002Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Dec
002Phosphorus, total [as P]MO AVG <= .15 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002Phosphorus, total [as P]MO AVG <= 1 mg/L Jan, Feb, Mar, Nov, Dec
002Phosphorus, total [as P]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
002Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Nov, Dec
002Phosphorus, total [as P]MO AVG <= .6 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
002Phosphorus, total [as P]MO AVG <= 2.9 lb/d Jan, Feb, Mar, Nov, Dec
002Phosphorus, total [as P]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
002Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Nov, Dec
002Chloride [as Cl]DAILY MX report only all year
002Sulfate, total [as SO4]DAILY MX report only all year
002Toxicity, choice of speciesMO MAX <= 2.3 tox chronic all year
002Toxicity, choice of speciesVALUE report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualDAILY MX <= 38 ug/L all year
002Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute all year
002Solids, total dissolvedDAILY MX report only all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 12 mg/L May, Jun, Jul, Aug, Sep
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
002BOD, carbonaceous [5 day, 20 C]DAILY MX <= 18 mg/L May, Jun, Jul, Aug, Sep
002BOD, carbonaceous [5 day, 20 C]DAILY MX <= 40 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 80 lb/d May, Jun, Jul, Aug, Sep
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 170 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
002BOD, carbonaceous [5 day, 20 C]DAILY MX <= 120 lb/d May, Jun, Jul, Aug, Sep
002BOD, carbonaceous [5 day, 20 C]DAILY MX <= 270 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Outfall observation,visual, y/n responseVALUE report only all year
002TU Static 24 Hr Acute Pimephales promelasDAILY MX report only all year
002Static 48 Hr Chronic Pimphales PromelasMO MAX report only all year
002Static 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