# GENERAL MOTORS PROVING GROUND, MILFORD MI: EPA ECHO compliance status: Violation Identified

**Remediation Urgency Score:** 50/100

| Field | Value |
|---|---|
| Facility | GENERAL MOTORS PROVING GROUND |
| EPA Registry ID | 110017422733 |
| Address | 3300 GENERAL MOTORS RD, MILFORD, MI, 48380 |
| County | OAKLAND |
| Industry (NAICS) | 541380: Testing Laboratories and Services |
| SIC | 7391: Research & Development Laboratories(1977), 8734: Testing Laboratories |
| Overall compliance status | Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | Violation Identified |
| Clean Air Act | No Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 0 |
| Total penalties | $0 |
| Inspections (5 years) | 5 |
| Last inspection | 2025-11-07 |
| Watershed | Huron |

## Why this score
- 12 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- Inspected within the last year (2025-11-07).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110017422733). Last refreshed: 2026-11-03T18:05:36.266Z.
Compliance data comes from EPA ECHO and may lag state records; a violation flag is not a finding of wrongdoing. Informational only; not legal or engineering advice.