Green Oak Charter Township

NPDES permit MI0058238 · Minor NON-POTW · effective, expires 2027-10-01 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
40required values missing, on 2 form(s)
4of 10 forms filed late

Last period with anything received: 2026-05-31.

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 (20)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Chloride [as Cl]DAILY MX report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Iron, total [as Fe]MO AVG <= 5 mg/L all year
001Iron, total [as Fe]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
001Chlorine, total residualINST MAX = 300 ug/L all year
001Chlorine, total residualDAILY MX <= 200 ug/L all year
001Flow, totalWT report only all year
001Solids, total dissolvedDAILY MX report only all year
001Chlorination durationDAILY MX report only all year
001Chlorination durationDAILY MX = 160 min/d 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