Clean Water Act discharge permit · NPDES MI0001848
DTE-MONROE PLANT, Monroe, MI: NPDES MI0001848 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
DTE-MONROE PLANT, held by DTE Electric Company, holds NPDES permit MI0001848, which discharges to Lake Erie. EPA’s file records it issued November 30, 2022 and expiring October 1, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | DTE-MONROE PLANT |
|---|---|
| Permittee as filed | DTE Electric Company |
| NPDES ID | MI0001848 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 30, 2022 |
| Expiration date | October 1, 2025 |
| Issuing agency | State |
| Address | Monroe, MI 48161 |
| Receiving water | Lake Erie |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 13With a violation of any kind
- 3With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 14 | 77 | 3 | June 30, 2015 | 17% over the limit |
| Thermal Discharge | 1 | 14 | 3 | January 31, 2025 | 20% over the limit |
| Iron, total [as Fe] | 2 | 9 | 1 | March 31, 2022 | 356% over the limit |
| Flow, in conduit or thru treatment plant | 16 | 78 | 0 | ||
| Oil & Grease | 14 | 56 | 0 | ||
| Mercury, total [as Hg] | 6 | 42 | 0 | ||
| Chlorine, total residual | 2 | 29 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 20 | 0 | ||
| pH | 2 | 18 | 0 | ||
| Copper, total [as Cu] | 3 | 16 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 16 | 0 | ||
| Chlorination duration | 0 | 8 | 0 | ||
| Dechlorination reagent, gen | 1 | 4 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 11Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 14, 2025 | Management Practice Violations - Improper Chemical Handling | ST6 |
| August 14, 2025 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 28, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 21, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 14, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 3, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 1, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| August 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MI0001848.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MI0001848 there.
Nearby on the register
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- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.