Clean Water Act discharge permit · NPDES MIS510328
GM-MFD-GRAND BLANC PLANT, Grand Blanc, MI: NPDES MIS510328 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GM-MFD-GRAND BLANC PLANT, held by General Motors LLC - Grand Blanc Center, holds NPDES permit MIS510328, which discharges to Thread Creek. EPA’s file records it issued May 19, 2020 and expiring April 1, 2025. 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.
What the register holds for GM-MFD-GRAND BLANC PLANT: its NPDES ID, its permit type and status, its dates, its address in Grand Blanc, Michigan, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS510328.
Identity
| Facility as filed | GM-MFD-GRAND BLANC PLANT |
|---|---|
| Permittee as filed | General Motors LLC - Grand Blanc Center |
| NPDES ID | MIS510328 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 19, 2020 |
| Expiration date | April 1, 2025 |
| Issuing agency | State |
| Address | Grand Blanc, MI 48439 |
| Receiving water | Thread Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Thread Creek (HUC 040802040306) |
| NAICS | 336110 – Automobile and Light Duty Motor Vehicle Manufacturing |
| SIC | 3465 – Automotive Stampings |
| Other EPA IDs (FRS) | RCRA handler MIK882123342; ICIS-AIR source MI00000000000B1610 |
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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MIS510328.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MIS510328.
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 MIS510328 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.