NPDES permit MI0042960 · Minor NON-POTW · administratively continued, expires 2025-10-01 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2025-10-01 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: pH (2).
Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | DAILY MN | >= 6.5 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 25 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 2500 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 4500 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Mercury, total [as Hg] | MO AVG | report only | all year |
| 001 | Mercury, total [as Hg] | DAILY MX | report only | all year |
| 001 | Mercury, total [as Hg] | MO AVG | report only | all year |
| 001 | Mercury, total [as Hg] | DAILY MX | report only | all year |
| 001 | Mercury, total [as Hg] | 1D | <= 3 ng/L | all year |
| 001 | Mercury, total [as Hg] | 1D | <= .0003 lb/d | all year |
| 001 | Outfall observation,visual, y/n response | VALUE | report only | all year |
| 002 | pH | DAILY MN | >= 6.5 SU | all year |
| 002 | pH | DAILY MX | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | <= 25 mg/L | all year |
| 002 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 002 | Mercury, total [as Hg] | DAILY MX | report only | all year |
| 002 | 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