Hannahville Indian Community Reverse Osmosis Plant

NPDES permit MI0059650 · Minor POTW · effective, expires 2027-10-24 · 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 12 forms filed late

Last period with anything received: 2026-06-30.

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 (22)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspended30DA AVG <= 25 lb/d all year
001Solids, total suspendedDAILY MX <= 42 lb/d all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Iron, total [as Fe]30DA AVG <= 5 mg/L all year
001Iron, total [as Fe]DAILY MX <= 10 mg/L all year
001Iron, total [as Fe]30DA AVG <= 4.2 lb/d all year
001Iron, total [as Fe]DAILY MX <= 8.4 lb/d all year
001Radium 226 + radium 228, totalDAILY MX report only all year
001Radium 226 + radium 228, totalDAILY MX report only all year
001Flow, in conduit or thru treatment plant30DA AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residual30DA AVG <= 11 ug/L all year
001Chlorine, total residualDAILY MX <= 19 ug/L all year
001Solids, total dissolvedDAILY MX report only all year
001Alpha gross radioactivityDAILY MX report only all year
001Alpha gross radioactivityDAILY MX report only all year
001Outfall observation,visual, y/n response30DA AVG 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