NPDES permit MI0038105 · Major NON-POTW · effective, expires 2027-10-01 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-08-31.
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).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Thermal Discharge | DAILY MX | report only | all year |
| 001 | Thermal Discharge | DAILY MX | = 244 MBTU/hr | all year |
| 001 | pH | DAILY MN | >= 6.5 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Benzidine | MO AVG | = .2 ug/L | all year |
| 001 | Benzidine | DAILY MX | report only | all year |
| 001 | Benzidine | MO AVG | = .1 lb/d | all year |
| 001 | Benzidine | 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 | Chlorine, total residual | DAILY MX | <= 38 ug/L | all year |
| 001 | Chlorine, total residual | INST MAX | = 300 ug/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= 200 ug/L | 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 | <= .0014 lb/d | all year |
| 001 | Chlorination duration | DAILY MX | report only | all year |
| 001 | Chlorination duration | DAILY MX | = 160 min/d | all year |
| 001 | Outfall observation,visual, y/n response | VALUE | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 003 | Utilization rate | ANNL AVG | report only | all year |
| 003 | Utilization rate | ANNL AVG | report only | all year |
| 004 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 004 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 004 | Thermal Discharge | DAILY MX | report only | all year |
| 004 | pH | DAILY MN | >= 6.5 SU | all year |
| 004 | pH | DAILY MX | <= 9 SU | all year |
| 004 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 004 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 004 | Oil & Grease | MO AVG | <= 15 mg/L | all year |
| 004 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 004 | Benzidine | MO AVG | = .3 ug/L | all year |
| 004 | Benzidine | DAILY MX | report only | all year |
| 004 | Benzidine | MO AVG | = .1 lb/d | all year |
| 004 | Benzidine | DAILY MX | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 004 | Chlorine, total residual | DAILY MX | <= 38 ug/L | all year |
| 004 | Chlorine, total residual | INST MAX | = 300 ug/L | all year |
| 004 | Chlorine, total residual | DAILY MX | <= 200 ug/L | all year |
| 004 | Mercury, total [as Hg] | MO AVG | report only | all year |
| 004 | Mercury, total [as Hg] | DAILY MX | report only | all year |
| 004 | Mercury, total [as Hg] | MO AVG | report only | all year |
| 004 | Mercury, total [as Hg] | DAILY MX | report only | all year |
| 004 | Mercury, total [as Hg] | 1D | <= 3 ng/L | all year |
| 004 | Mercury, total [as Hg] | 1D | <= .00087 lb/d | all year |
| 004 | Chlorination duration | DAILY MX | report only | all year |
| 004 | Chlorination duration | DAILY MX | = 160 min/d | 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