EPA Air · by state
Sources with a high-priority air violation in California
- 238Facilities
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a stationary source. This is the STATUS EPA carries on the facility record today — whether the violation is unaddressed, addressed by the state, the local agency or EPA itself — not a history. The year-by-year record of when violations were determined is linked below.
Violations determined in California, by year
- 2026 — violations determined 221
- 2025 — violations determined 517
- 2024 — violations determined 551
- 2023 — violations determined 936
- 2022 — violations determined 895
- 2021 — violations determined 617
- 2020 — violations determined 446
- 2019 — violations determined 618
- 2018 — violations determined 473
- 2017 — violations determined 417
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| GREKA ENERGY-CAT CANYON BELL LEASE | Major source | Yes |
| GREKA ENERGY-CAT CANYON-BLOCHMAN LEASE | Major source | Yes |
| GREKA ENERGY-CAT CANYON-IC ENGINES | Major source | Yes |
| GREKA ENERGY-CAT CANYON-PALMER STENDL | Major source | Yes |
| GUADALUPE RUBBISH DISPOSAL | Major source | Yes |
| HATHAWAY LLC | Major source | Yes |
| HAYWARD CHIROPRACTIC COLLEGE | Minor source | Yes |
| HECK CELLARS | Major source | Yes |
| HENKEL CORPORATION-AEROSPACE GROUP | Synthetic minor source | Yes |
| HIGHWAY 59 LANDFILL | Major source | Yes |
| HILMAR CHEESE COMPANY | Major source | Yes |
| HOLZ RUBBER COMPANY, INC | Synthetic minor source | Yes |
| HP HOOD, LLC | Synthetic minor source | Yes |
| HUMBOLDT SAWMILL COMPANY | Major source | Yes |
| ICL PRODUCTS (FORMERLY MONSANTO) | Minor source | Yes |
| IMPERIAL TOY | Minor source | Yes |
| INTERNATIONAL DISPOSAL CORPORATION OF | Major source | Yes |
| J&A SANTA MARIA LANDFILL | Other | Yes |
| J&A SANTA MARIA MARIAN MEDICAL | Other | Yes |
| JOHN W. BLANKENSHIP CONSTRUCTION | Minor source | Yes |
| JR SIMPLOT CO | Major source | Yes |
| KELLER CANYON LANDFILL COMPANY | Major source | Yes |
| KERN OIL & REFINING | Major source | Yes |
| KERN RIVER GAS CO- CONSTRUC & OPERATION | Minor source | Yes |
| KIRBY CANYON LANDFILL | Major source | Yes |
| LA CO., RANCHO LOS AMIGOS NAT. REHAB CTR | Major source | Yes |
| LAND O' LAKES, INC | Major source | Yes |
| LEHIGH SOUTHWEST CEMENT COMPANY | Major source | Yes |
| LINN OPERATING INC | Major source | Yes |
| LINN OPERATING INC | Major source | Yes |
| LOCKHEED MARTIN CORPORATION | Synthetic minor source | Yes |
| LODI VINTNERS INC | Major source | Yes |
| LOMPOC SANITARY LANDFILL | Major source | Yes |
| LOS MEDANOS ENERGY CENTER | Major source | Yes |
| LUNDAY-THAGARD CO DBA WORLD OIL REFINING | Major source | Yes |
| MADDOX FARMS | Major source | Yes |
| MARTINEZ COGEN LIMITED PARTNERSHIP | Major source | Yes |
| MARTINEZ REFINING COMPANY LLC (PREVIOUSLY SHELL OIL PRODUCTS US, MARTINEZ REF.) | Major source | Yes |
| MATRIX OIL CORP. | Major source | Yes |
| MCCLELLAN BUSINESS PARK | Synthetic minor source | Yes |
| MERCED POWER LLC | Synthetic minor source | Yes |
| METCALF ENERGY CENTER | Major source | Yes |
| MISSION VALLEY ROCK CO | Synthetic minor source | Yes |
| MITSUBISHI CEMENT CO | Major source | Yes |
| MITSUBISHI CHEMICAL CARBON FIBER AND COMPOSITES | Major source | Yes |
| MODOC MEDICAL CENTER | Minor source | Yes |
| MORONGO CASINO COGENERATION FACILITY | Synthetic minor source | Yes |
| MT POSO COGEN-PYRO PACIFIC CO. | Major source | Yes |
| MULLIGANS IRISH PUB & REST (SUPER 8) | Minor source | Yes |
| NAFTEX OPERATING CO-PORTALS PETRO LEASE | Major source | Yes |
| NAPA STATE HOSPITAL | Synthetic minor source | Yes |
| NAPA-VALLEJO WASTE MANAGEMENT AUTHORITY | Major source | Yes |
| NEO TULARE LLC/TULARE COUNTY | Major source | Yes |
| NORTHROP GRUMMAN CORP | Synthetic minor source | Yes |
| NUSTAR LOGISTICS, L P | Major source | Yes |
| OGISO ENVIRONMENTAL | Minor source | Yes |
| OWENS CORNING INSULATING SYSTEMS, LLC | Major source | Yes |
| OWENS-BROCKWAY GLASS CONTAINER | Major source | Yes |
| PACIFIC CONTINENTAL TEXTILES INC | Minor source | Yes |
| PACIFIC ETHANOL STOCKTON | Major source | Yes |
| PACIFIC OPERATORS-CARPINTERIA-HOUCHIN | Major source | Yes |
| PACIFIC OPERATORS-CARPINTERIA/PLT.HOGAN | Major source | Yes |
| PACIFIC PIPELINE SYSTEM LLC | Synthetic minor source | Yes |
| PACIFIC PIPELINE SYSTEM, LLC | Synthetic minor source | Yes |
| PACIFIC PIPELINE SYSTEM, LLC | Major source | Yes |
| PACIFIC PROCESS SYSTEMS | Major source | Yes |
| PACIFIC SOUTHWEST CONTAINERS | Major source | Yes |
| PARREIRA ALMOND PROCESSING | Major source | Yes |
| PASADENA CITY COLLEGE | Major source | Yes |
| PHILLIPS 66 CARBON PLANT | Major source | Yes |
| PHILLIPS 66 CO/LA REFINERY WILMINGTON | Major source | Yes |
| PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY | Major source | Yes |
| PHILLIPS 66 PIPELINE LLC | Major source | Yes |
| PHILLIPS66 - SANTA MARIA REFINERY | Major source | Yes |
| PLAINS MARKETING, LP | Major source | Yes |
| PLAINS PIPELINE, LP PENTLAND PUMP STAT | Major source | Yes |
| POTRERO HILLS LANDFILL, INC | Major source | Yes |
| PROCTER & GAMBLE PAPER PRODUCTS | Major source | Yes |
| QG PRINTING CORP | Major source | Yes |
| REDWOOD LANDFILL INC | Major source | Yes |
| REPUBLIC SERVICES OF SONOMA COUNTY | Major source | Yes |
| REPUBLIC SERVICES VASCO ROAD, LLC | Major source | Yes |
| RIDEOUT MEMORIAL HOSPITAL | Minor source | Yes |
| RIO BRAVO FRESNO | Major source | Yes |
| ROSEVILLE AM/PM MINI MART (DEMOLISHED) | Minor source | Yes |
| SACRAMENTO MUNICIPAL UTILITY DIST. FINANCING AUTHORITY DBA PROCTER GAMBLE POWER | Major source | Yes |
| SAN FRANCISCO INTERNATIONAL AIRPORT | Major source | Yes |
| SAN JOAQUIN FACILITIES | Synthetic minor source | Yes |
| SAN JOAQUIN REFINING CO | Major source | Yes |
| SAN JOSE STATE UNIVERSITY (COGEN PLANT) | Synthetic minor source | Yes |
| SAN JOSE-SANTA CLARA WATER POLLUTION | Major source | Yes |
| SANTA ROSA WATER - LAGUNA TREATMENT PLANT | Major source | Yes |
| SCHLOSSER FORGE CO | Major source | Yes |
| SEARLES VALLEY MINERALS (IMC CHEMICALS) | Major source | Yes |
| SENECA RESOURCES | Synthetic minor source | Yes |
| SENTINEL PEAK RESOURCES CA LLC | Major source | Yes |
| SFPP, LP | Major source | Yes |
| SHELL CATALYSTS & TECHNOLOGIES | Major source | Yes |
| SHORELINE AMPHITHEATRE | Major source | Yes |
| SIGNAL HILL PETROLEUM INC | Minor source | Yes |
Violation status as filed on the facility record. Figures from EPA’s ICIS-AIR download.