Clean Water Act discharge permit · NPDES MI0001236
GM COMPONENTS HOLDINGS LLC, Wyoming, MI: NPDES MI0001236 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
GM COMPONENTS HOLDINGS LLC, held by GM Components Holdings LLC, holds NPDES permit MI0001236, which discharges to Plaster Creek. EPA’s file records it issued May 1, 2017 and expiring October 1, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GM COMPONENTS HOLDINGS LLC |
|---|---|
| Permittee as filed | GM Components Holdings LLC |
| NPDES ID | MI0001236 |
| 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 | May 1, 2017 |
| Expiration date | October 1, 2020 |
| Issuing agency | State |
| Address | Wyoming, MI 49509 |
| Receiving water | Plaster Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Plaster Creek (HUC 040500060506) |
| NAICS | 336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing |
| SIC | 3714 – Motor Vehicle Parts And Accessories |
| Other EPA IDs (FRS) | RCRA handler MID017079625; ICIS-AIR source MI00000000000A2620 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 17Pollutants on file
- 7Under a numeric limit
- 17With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 4 | 145 | 9 | September 30, 2019 | 620% over the limit |
| pH | 4 | 203 | 5 | June 30, 2016 | |
| Cyanide, free [amenable to chlorination] | 0 | 44 | 2 | July 31, 2006 | 197% over the limit |
| Oil & grease [freon extr.-IR meth] tot, RC | 0 | 2 | 2 | August 31, 2002 | 200% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 207 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 170 | 0 | ||
| Cyanide [A] | 8 | 137 | 0 | ||
| Copper, total [as Cu] | 8 | 136 | 0 | ||
| Outfall observation,visual, y/n response | 2 | 102 | 0 | ||
| Benzo[a]pyrene | 0 | 78 | 0 | ||
| Chrysene | 0 | 78 | 0 | ||
| Pyrene | 0 | 78 | 0 | ||
| Benzo[a]anthracene | 0 | 78 | 0 | ||
| Cadmium, total [as Cd] | 0 | 44 | 0 | ||
| Chromium, total [as Cr] | 0 | 44 | 0 | ||
| Phenols | 0 | 44 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 14 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 14, 2022 | Monitoring Violations - Analysis not Conducted | ST6 |
| February 8, 2019 | Permit Violations - Discharge Without a Valid Permit | 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
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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 MI0001236 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 October 14, 2026.