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 |
|---|---|---|---|---|
| 2025-09-10 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-09 | SEARLES VALLEY MINERALS (IMC CHEMICALS) — high-priority violation on file | TRONA, San Bernardino, CA | HPV day-zero determination | Local |
| 2025-09-08 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-09-08 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-09-08 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-09-08 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-09-05 | CAL NRG OPERATING LLC — high-priority violation on file | VENTURA, Ventura, CA | Earliest FRV determination | Local |
| 2025-09-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-09-03 | REDWOOD LANDFILL INC — high-priority violation on file | NOVATO, Marin, CA | HPV day-zero determination | Local |
| 2025-09-02 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-09-02 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-09-02 | NORTHROP GRUMMAN CORP — high-priority violation on file | SUNNYVALE, Santa Clara, CA | Earliest FRV determination | Local |
| 2025-09-02 | NORTHROP GRUMMAN CORP — high-priority violation on file | SUNNYVALE, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-09-02 | MICHAEL DAVID WINERY | LODI, San Joaquin, CA | HPV day-zero determination | Local |
| 2025-08-29 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-29 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-28 | CITY OF SUNNYVALE WTR POLLUTION — high-priority violation on file | SUNNYVALE, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-25 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-25 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | HPV day-zero determination | Local |
| 2025-08-25 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | HPV day-zero determination | Local |
| 2025-08-25 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | Earliest FRV determination | Local |
| 2025-08-25 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | HPV day-zero determination | Local |
| 2025-08-25 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | HPV day-zero determination | Local |
| 2025-08-25 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | HPV day-zero determination | Local |
| 2025-08-25 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | Earliest FRV determination | Local |
| 2025-08-25 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | Earliest FRV determination | Local |
| 2025-08-22 | WASTE MANAGEMENT OF ALAMEDA COUNTY — high-priority violation on file | LIVERMORE, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-22 | WASTE MANAGEMENT OF ALAMEDA COUNTY — high-priority violation on file | LIVERMORE, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-21 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-20 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-20 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-20 | BROWNING FERRIS INDUSTRIES OF CA,INC — high-priority violation on file | HALF MOON BAY, San Mateo, CA | HPV day-zero determination | Local |
| 2025-08-20 | BROWNING FERRIS INDUSTRIES OF CA,INC — high-priority violation on file | HALF MOON BAY, San Mateo, CA | HPV day-zero determination | Local |
| 2025-08-18 | SAN FRANCISCO INTERNATIONAL AIRPORT — high-priority violation on file | CALIFORNIA, Undetermined, CA | HPV day-zero determination | Local |
| 2025-08-15 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-15 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-15 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-15 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-15 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-15 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-15 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-14 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-08-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-12 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-08-11 | REPUBLIC SERVICES VASCO ROAD, LLC — high-priority violation on file | LIVERMORE, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-11 | REPUBLIC SERVICES VASCO ROAD, LLC — high-priority violation on file | LIVERMORE, Alameda, CA | HPV day-zero determination | Local |
| 2025-08-07 | SIMI VALLEY LANDFILL & RECYCLING CENTER — high-priority violation on file | SIMI VALLEY, Ventura, CA | Earliest FRV determination | Local |
| 2025-07-31 | REDWOOD LANDFILL INC — high-priority violation on file | NOVATO, Marin, CA | Earliest FRV determination | Local |
| 2025-07-31 | REDWOOD LANDFILL INC — high-priority violation on file | NOVATO, Marin, CA | Earliest FRV determination | Local |
| 2025-07-30 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-07-29 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-07-28 | REDWOOD LANDFILL INC — high-priority violation on file | NOVATO, Marin, CA | HPV day-zero determination | Local |
| 2025-07-28 | REDWOOD LANDFILL INC — high-priority violation on file | NOVATO, Marin, CA | HPV day-zero determination | Local |
| 2025-07-28 | REDWOOD LANDFILL INC — high-priority violation on file | NOVATO, Marin, CA | HPV day-zero determination | Local |
| 2025-07-25 | MARTINEZ REFINING COMPANY LLC (PREVIOUSLY SHELL OIL PRODUCTS US, MARTINEZ REF.) — high-priority violation on file | MARTINEZ, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-07-24 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-07-24 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.