# WARREN TRUCK ASSEMBLY PLANT (WTAP), WARREN MI: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 93/100

| Field | Value |
|---|---|
| Facility | WARREN TRUCK ASSEMBLY PLANT (WTAP) |
| EPA Registry ID | 110000405393 |
| Address | 21500 MOUND ROAD, WARREN, MI, 48091 |
| County | MACOMB |
| Industry (NAICS) | 336110: Automobile and Light Duty Motor Vehicle Manufacturing |
| SIC | 3479: Metal Coating And Allied Services, 3711: Motor Vehicles And Car Bodies |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | No Violation Identified |
| Clean Air Act | Violation Addressed; State Has Lead Enforcement |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $371,454 |
| Last penalty | 05/11/2023 |
| Inspections (5 years) | 5 |
| Last inspection | 2026-08-31 |
| Watershed | Clinton |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 12 of the last 12 quarters in noncompliance.
- Current violation under CAA.
- 1 formal enforcement action(s) in 5 years.
- $371,454 in penalties: remediation has a clear cost of inaction.
- Inspected within the last year (2026-08-31).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000405393). 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.