Clean Water Act discharge permit · NPDES MI0060370
FORMER GENERAL OIL NORTHVILLE FACILITY, Northville, MI: NPDES MI0060370 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
FORMER GENERAL OIL NORTHVILLE FACILITY, held by Mill Pond Site Group c/o GHD Services, Inc., holds NPDES permit MI0060370, which discharges to Walled Lake Branch. EPA’s file records it issued July 31, 2024 and expiring October 1, 2028. 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 | FORMER GENERAL OIL NORTHVILLE FACILITY |
|---|---|
| Permittee as filed | Mill Pond Site Group c/o GHD Services, Inc. |
| NPDES ID | MI0060370 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 31, 2024 |
| Expiration date | October 1, 2028 |
| Issuing agency | State |
| Address | Northville, MI 48167 |
| Receiving water | Walled Lake Branch |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Newburgh Lake-Middle River Rouge (HUC 040900040203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 1With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Polychlorinated biphenyls [PCBs] | 1 | 21 | 0 | ||
| Vinyl chloride | 3 | 0 | 0 | ||
| cis-1,2-Dichloroethene | 3 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Equipment inspection - visual | 1 | 0 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MI0060370.
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 |
|---|---|---|
| February 4, 2026 | Monitoring Violations - Improper Analysis or Lab Error | 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 MI0060370 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.