NPDES permit MI0059957 · Minor NON-POTW · effective, expires 2030-10-01 · EPA's file as of 2026-09-26
Keep this permit as a site — opens New site at EPA's facility point (43.904314, -85.269621); you set the radius.
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
These are the last limits EPA's file holds for this permit, from an earlier version of it (version 3 in EPA's file): its current version carries none yet. Read your permit: a renewal can change them.
Last period with anything received: 2026-07-31.
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).
Each concentration limit against the same limit in comparable permits. Where it appears more than once, its strictest value.
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | daily minimum | >= 4 mg/L | all year |
| 001 | pH | daily minimum | >= 6.5 SU | all year |
| 001 | pH | daily maximum | <= 9 SU | all year |
| 001 | Equipment inspection - visual | value | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | monthly average | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | daily maximum | report only | all year |
| 001 | Perchlorate [ClO4] | monthly average | report only | all year |
| 001 | Perchlorate [ClO4] | daily maximum | report only | all year |
| 001 | Perchlorate [ClO4] | monthly average | report only | all year |
| 001 | Perchlorate [ClO4] | daily maximum | report only | all year |
| 001 | Outfall observation,visual, y/n response | value | report only | all year |
| 002 | Oxygen, dissolved [DO] | daily minimum | >= 4 mg/L | all year |
| 002 | pH | daily minimum | >= 6.5 SU | all year |
| 002 | pH | daily maximum | <= 9 SU | all year |
| 002 | Equipment inspection - visual | value | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | monthly average | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | daily maximum | report only | all year |
| 002 | Perchlorate [ClO4] | monthly average | report only | all year |
| 002 | Perchlorate [ClO4] | daily maximum | report only | all year |
| 002 | Perchlorate [ClO4] | monthly average | report only | all year |
| 002 | Perchlorate [ClO4] | daily maximum | report only | all year |
| 002 | Outfall observation,visual, y/n response | value | report only | all year |
| 003 | Oxygen, dissolved [DO] | daily minimum | >= 4 mg/L | all year |
| 003 | pH | daily minimum | >= 6.5 SU | all year |
| 003 | pH | daily maximum | <= 9 SU | all year |
| 003 | Equipment inspection - visual | value | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | monthly average | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | daily maximum | report only | all year |
| 003 | Perchlorate [ClO4] | monthly average | report only | all year |
| 003 | Perchlorate [ClO4] | daily maximum | report only | all year |
| 003 | Perchlorate [ClO4] | monthly average | report only | all year |
| 003 | Perchlorate [ClO4] | daily maximum | report only | all year |
| 003 | Outfall observation,visual, y/n response | value | report only | all year |
| 004 | Oxygen, dissolved [DO] | daily minimum | >= 4 mg/L | all year |
| 004 | pH | daily minimum | >= 6.5 SU | all year |
| 004 | pH | daily maximum | <= 9 SU | all year |
| 004 | Equipment inspection - visual | value | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | monthly average | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | daily maximum | report only | all year |
| 004 | Perchlorate [ClO4] | monthly average | report only | all year |
| 004 | Perchlorate [ClO4] | daily maximum | report only | all year |
| 004 | Perchlorate [ClO4] | monthly average | report only | all year |
| 004 | Perchlorate [ClO4] | daily maximum | report only | all year |
| 004 | Outfall observation,visual, y/n response | value | 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