EPA Air · violations by state and year
High-priority air violations in California, 2025
- 517Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Every violation below was recorded against a source in California during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in California, 2025
- Contra Costa County 284
- Alameda County 70
- Solano County 59
- Santa Clara County 36
- Sonoma County 15
- Ventura County 11
- Undetermined County 11
- Marin County 9
- San Joaquin County 6
- San Mateo County 6
- San Bernardino County 3
- Sacramento County 3
California, other years
High-priority air violations recorded in California, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-01-17 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-01-17 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-01-17 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-01-17 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-01-17 | PROCTER & GAMBLE | SACRAMENTO, Sacramento, CA | Earliest FRV determination | Local |
| 2025-01-14 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-01-10 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-01-06 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-01-06 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-01-06 | C & H SUGAR COMPANY, INC — high-priority violation on file | CROCKETT, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-01-06 | C & H SUGAR COMPANY, INC — high-priority violation on file | CROCKETT, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-01-02 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-01-02 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-01-02 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-01-02 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-01-02 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-01-02 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
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Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.