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 |
|---|---|---|---|---|
| 2025-04-02 | CARBON CALIFORNIA COMPANY, LLC — high-priority violation on file | FILLMORE, Ventura, CA | Earliest FRV determination | Local |
| 2025-04-01 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-04-01 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-04-01 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-04-01 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-04-01 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-04-01 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-04-01 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-04-01 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-28 | SIMI VALLEY LANDFILL & RECYCLING CENTER — high-priority violation on file | SIMI VALLEY, Ventura, CA | Earliest FRV determination | Local |
| 2025-03-27 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-27 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-27 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-27 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-27 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-27 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-27 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-27 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-26 | CITY OF SUNNYVALE WTR POLLUTION — high-priority violation on file | SUNNYVALE, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-03-26 | CITY OF SUNNYVALE WTR POLLUTION — high-priority violation on file | SUNNYVALE, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-03-26 | CITY OF SUNNYVALE WTR POLLUTION — high-priority violation on file | SUNNYVALE, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-03-26 | CITY OF SUNNYVALE WTR POLLUTION — high-priority violation on file | SUNNYVALE, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-03-26 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-26 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-26 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-26 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-25 | 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 |
| 2025-03-25 | 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 |
| 2025-03-25 | 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 |
| 2025-03-25 | BEAR CREEK WINERY | LODI, San Joaquin, CA | HPV day-zero determination | Local |
| 2025-03-24 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-24 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-17 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-17 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-17 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-17 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-17 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-17 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-13 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-13 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-13 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-11 | TESORO REFINING & MARKETING COMPANY — high-priority violation on file | MARTINEZ, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-11 | TESORO REFINING & MARKETING COMPANY — high-priority violation on file | MARTINEZ, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-07 | KIRBY CANYON LANDFILL — high-priority violation on file | MORGAN HILL, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-03-07 | GUADALUPE RUBBISH DISPOSAL — high-priority violation on file | SAN JOSE, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-03-06 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-06 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-03-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-03-04 | C & H SUGAR COMPANY, INC — high-priority violation on file | CROCKETT, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-03-04 | C & H SUGAR COMPANY, INC — high-priority violation on file | CROCKETT, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-03-03 | SHORELINE AMPHITHEATRE — high-priority violation on file | MOUNTAIN VIEW, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-03-03 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-03 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-03 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-03 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-03 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-03 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-03-03 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-02-27 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | HPV day-zero determination | Local |
| 2025-02-27 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | HPV day-zero determination | Local |
| 2025-02-27 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | HPV day-zero determination | Local |
| 2025-02-27 | BROWNING FERRIS INDUSTRIES OF CA,INC — high-priority violation on file | HALF MOON BAY, San Mateo, CA | HPV day-zero determination | Local |
| 2025-02-26 | KIRBY CANYON LANDFILL — high-priority violation on file | MORGAN HILL, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-02-26 | KIRBY CANYON LANDFILL — high-priority violation on file | MORGAN HILL, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-02-25 | C & H SUGAR COMPANY, INC — high-priority violation on file | CROCKETT, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-02-25 | C & H SUGAR COMPANY, INC — high-priority violation on file | CROCKETT, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-02-21 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-02-19 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-02-13 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-02-10 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-02-10 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-02-10 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-02-10 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | Earliest FRV determination | Local |
| 2025-02-10 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | HPV day-zero determination | Local |
| 2025-02-10 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | HPV day-zero determination | Local |
| 2025-02-07 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-02-06 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2025-02-06 | VALERO BENICIA ASPHALT PLANT — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-02-06 | VALERO BENICIA ASPHALT PLANT — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-02-06 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-02-06 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2025-02-05 | 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 |
| 2025-02-04 | NAPA-VALLEJO WASTE MANAGEMENT AUTHORITY — high-priority violation on file | NAPA, Napa, CA | HPV day-zero determination | Local |
| 2025-02-03 | 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 |
| 2025-02-03 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-02-03 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-02-03 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-02-03 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2025-01-29 | SANTA ROSA WATER - LAGUNA TREATMENT PLANT — high-priority violation on file | SANTA ROSA, Sonoma, CA | HPV day-zero determination | Local |
| 2025-01-29 | SANTA ROSA WATER - LAGUNA TREATMENT PLANT — high-priority violation on file | SANTA ROSA, Sonoma, CA | HPV day-zero determination | Local |
| 2025-01-29 | SANTA ROSA WATER - LAGUNA TREATMENT PLANT — high-priority violation on file | SANTA ROSA, Sonoma, CA | HPV day-zero determination | Local |
| 2025-01-29 | SANTA ROSA WATER - LAGUNA TREATMENT PLANT — high-priority violation on file | SANTA ROSA, Sonoma, CA | HPV day-zero determination | Local |
| 2025-01-29 | INTERNATIONAL DISPOSAL CORPORATION OF — high-priority violation on file | SAN JOSE, Santa Clara, CA | HPV day-zero determination | Local |
| 2025-01-27 | 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 |
| 2025-01-21 | BROWNING FERRIS INDUSTRIES OF CA,INC — high-priority violation on file | HALF MOON BAY, San Mateo, CA | HPV day-zero determination | Local |
| 2025-01-17 | EAST BAY MUNICIPAL UTILITY DISTRICT — high-priority violation on file | OAKLAND, Alameda, 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 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | Earliest FRV determination | Local |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.