Michigan Paving and Materials

NPDES permit MI0051195 · Major NON-POTW · administratively continued, expires 2018-10-01 · 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 2018-10-01 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

11values over a limit
55required values missing, on 13 form(s)
4of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Hydrogen sulfide (11).

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 (47)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001ConductivityDAILY MX report only 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 <= 1000 lb/d all year
001Solids, total suspendedDAILY MX <= 1500 lb/d all year
001Sulfide, dissolved, [as S]DAILY MX < 50 ug/L all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Strontium, total [as Sr]MO AVG <= 21000 ug/L all year
001Strontium, total [as Sr]DAILY MX <= 81000 ug/L all year
001Strontium, total [as Sr]MO AVG <= 1050 lb/d all year
001Strontium, total [as Sr]DAILY MX <= 4050 lb/d all year
001Selenium, total [as Se]DAILY MX report only all year
001Selenium, total [as Se]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
001Solids, total dissolvedDAILY MX report only all year
001Hydrogen sulfideMO AVG <= .36 ug/L all year
001Hydrogen sulfideDAILY MX <= 6.4 ug/L all year
001Hydrogen sulfideMO AVG <= .018 lb/d all year
001Hydrogen sulfideDAILY MX <= .32 lb/d all year
001SulfateDAILY 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 PromelasDAILY MX report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002ConductivityDAILY MX report only all year
002Oxygen, dissolved [DO]DAILY MN >= 4 mg/L all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedDAILY MX <= 25 mg/L all year
002Sulfide, dissolved, [as S]DAILY MX < 50 ug/L all year
002Chloride [as Cl]DAILY MX report only all year
002Sulfate, total [as SO4]DAILY MX 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
002Solids, total dissolvedDAILY MX report only all year
002Hydrogen sulfideDAILY 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 PromelasDAILY MX 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