Holcim (US) Incorporated

NPDES permit MI0002020 · Minor NON-POTW · administratively continued, expires 2024-10-01 · 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 2024-10-01 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

1values over a limit
3required values missing, on 2 form(s)
2of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Sulfide, dissolved, [as S] (1).

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 (66)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001ConductivityDAILY MX report only all year
001Hydrogen peroxideMO AVG < 50 ug/L all year
001Hydrogen peroxideDAILY MX = 180 ug/L all year
001Oxygen, dissolved [DO]DAILY MN >= 3 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 <= 920 lb/d all year
001Solids, total suspendedDAILY MX <= 1400 lb/d all year
001Sulfide, dissolved, [as S]MO AVG < 20 ug/L Jan, Feb, Mar, Dec
001Sulfide, dissolved, [as S]MO AVG < 20 ug/L May, Jun, Jul, Aug, Sep
001Sulfide, dissolved, [as S]MO AVG < 20 ug/L Apr
001Sulfide, dissolved, [as S]MO AVG < 20 ug/L Oct, Nov
001Sulfide, dissolved, [as S]DAILY MX <= 36 ug/L Jan, Feb, Mar, Dec
001Sulfide, dissolved, [as S]DAILY MX <= 48 ug/L May, Jun, Jul, Aug, Sep
001Sulfide, dissolved, [as S]DAILY MX <= 40 ug/L Apr
001Sulfide, dissolved, [as S]DAILY MX <= 39 ug/L Oct, Nov
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Strontium, total [as Sr]DAILY MX report only all year
001Selenium, total [as Se]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
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
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
002Temperature, water deg. fahrenheitDAILY MX report only all year
002ConductivityDAILY MX report only all year
002Hydrogen peroxideMO AVG < 50 ug/L all year
002Hydrogen peroxideDAILY MX = 180 ug/L all year
002Oxygen, dissolved [DO]DAILY MN >= 3 mg/L all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 20 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Solids, total suspendedMO AVG <= 920 lb/d all year
002Solids, total suspendedDAILY MX <= 1400 lb/d all year
002Sulfide, dissolved, [as S]MO AVG < 20 ug/L Oct, Nov
002Sulfide, dissolved, [as S]MO AVG < 20 ug/L Jan, Feb, Mar, Dec
002Sulfide, dissolved, [as S]MO AVG < 20 ug/L May, Jun, Jul, Aug, Sep
002Sulfide, dissolved, [as S]MO AVG < 20 ug/L Apr
002Sulfide, dissolved, [as S]DAILY MX <= 39 ug/L Oct, Nov
002Sulfide, dissolved, [as S]DAILY MX <= 36 ug/L Jan, Feb, Mar, Dec
002Sulfide, dissolved, [as S]DAILY MX <= 48 ug/L May, Jun, Jul, Aug, Sep
002Sulfide, dissolved, [as S]DAILY MX <= 40 ug/L Apr
002Chloride [as Cl]DAILY MX report only all year
002Sulfate, total [as SO4]DAILY MX report only all year
002Strontium, total [as Sr]DAILY MX report only all year
002Selenium, total [as Se]DAILY MX report only all year
002Toxicity, choice of speciesMO AVG report only 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
002Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
002Solids, total dissolvedDAILY MX report only all year
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 AVG 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