Clean Water Act discharge permit · NPDES MI0036978
DTE-GREENWOOD PLANT, Avoca, MI: NPDES MI0036978 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
DTE-GREENWOOD PLANT, held by DTE Energy Electric Company, holds NPDES permit MI0036978, which discharges to Jackson Drain. EPA’s file records it issued December 13, 2016 and expiring October 1, 2021. 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-GREENWOOD PLANT |
|---|---|
| Permittee as filed | DTE Energy Electric Company |
| NPDES ID | MI0036978 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 13, 2016 |
| Expiration date | October 1, 2021 |
| Issuing agency | State |
| Address | Avoca, MI 48006 |
| Receiving water | Jackson Drain |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Silver Creek (HUC 040900010203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 20Under a numeric limit
- 19With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 75 | 1 | March 31, 2005 | 33% over the limit |
| Flow, in conduit or thru treatment plant | 10 | 472 | 0 | ||
| Solids, total suspended | 15 | 368 | 0 | ||
| Oil & Grease | 5 | 328 | 0 | ||
| Copper, total [as Cu] | 6 | 259 | 0 | ||
| Iron, total [as Fe] | 4 | 159 | 0 | ||
| pH | 4 | 150 | 0 | ||
| Mercury, total [as Hg] | 6 | 146 | 0 | ||
| Fluoride, total [as F] | 4 | 136 | 0 | ||
| Phosphorus, total [as P] | 7 | 117 | 0 | ||
| Selenium, total [as Se] | 2 | 104 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 74 | 0 | ||
| Chlorine, total residual | 2 | 70 | 0 | ||
| Bromine, reported as the element | 1 | 59 | 0 | ||
| Total residual ooxidant-discharge time | 1 | 46 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 43 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 42 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 37 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 33 | 0 | ||
| Solids, total dissolved | 2 | 0 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 22, 2018 | Management Practice Violations - Improper Operation and Maintenance | 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.
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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 MI0036978 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.