Michigan Department of Environment, Great Lakes, and Energy

NPDES permit MI0057221 · 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

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 (the most common figure among MI permits in EPA's filings — check your permit).

Limits in force (35)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 3 mg/L all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= 40 lb/yr all year
001Phosphorus, total [as P]DAILY MX report only all year
001Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= 20 ug/L all year
001TolueneDAILY MX report only all year
001TolueneDAILY MX report only all year
001BenzeneDAILY MX = 5 ug/L all year
001BenzeneDAILY MX report only all year
001EthylbenzeneDAILY MX report only all year
001EthylbenzeneDAILY MX report only all year
001TetrachloroethyleneDAILY MX = 5 ug/L all year
001TetrachloroethyleneDAILY MX report only all year
0011,1-DichloroethyleneDAILY MX = 5 ug/L all year
0011,1-DichloroethyleneDAILY MX report only all year
001trans-1,2-DichloroethyleneDAILY MX = 5 ug/L all year
001trans-1,2-DichloroethyleneDAILY MX report only all year
001Vinyl chlorideDAILY MX = 3 ug/L all year
001Vinyl chlorideDAILY MX report only all year
001Equipment inspection - visualVALUE 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
001Flow, totalMO TOTAL report only all year
001TrichloroetheneDAILY MX = 5 ug/L all year
001TrichloroetheneDAILY MX report only all year
001Xylene [mix of m+o+p]DAILY MX report only all year
001Xylene [mix of m+o+p]DAILY MX report only all year
001cis-1,2-DichloroetheneDAILY MX = 5 ug/L all year
001cis-1,2-DichloroetheneDAILY MX report only all year
001Outfall observation,visual, y/n responseVALUE 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