# SOLVAY USA INC, MARTINEZ CA: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 75/100

| Field | Value |
|---|---|
| Facility | SOLVAY USA INC |
| EPA Registry ID | 110000483263 |
| Address | 100 MOCOCO RD, MARTINEZ, CA, 94553 |
| County | CONTRA COSTA |
| Industry (NAICS) | 325188: All Other Basic Inorganic Chemical Manufacturing |
| SIC | 2819: Industrial Inorganic Chemicals |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 12 |
| Clean Air Act | Violation Unaddressed; Local Has Lead Enforcement |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 0 |
| Total penalties | $0 |
| Last penalty | 07/27/2020 |
| Inspections (5 years) | 5 |
| Last inspection | 2025-12-04 |
| Watershed | Suisun Bay |

## 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.
- Inspected within the last year (2025-12-04).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000483263). 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.