EPA Air · by state
Air-emissions sources in California
- 2,144Facilities
By emissions classification in California
High-priority violations in California
238 sources in California carry a current high-priority Clean Air Act violation.
Counties in California
- Alameda County 87
- Amador County 5
- Butte County 7
- Colusa County 7
- Contra Costa County 81
- El Dorado County 8
- Fresno County 55
- Glenn County 4
- Humboldt County 9
- Imperial County 41
- Kern County 164
- Kings County 23
- Lassen County 3
- Los Angeles County 390
- Madera County 22
- Marin County 5
- Mendocino County 3
- Merced County 23
- Modoc County 4
- Monterey County 14
- Napa County 5
- Orange County 110
- Placer County 42
- Riverside County 65
- Sacramento County 97
- San Bernardino County 123
- San Diego County 126
- San Francisco County 36
- San Joaquin County 74
- San Luis Obispo County 16
- San Mateo County 34
- Santa Barbara County 136
- Santa Clara County 51
- Santa Cruz County 5
- Shasta County 22
- Solano County 31
- Sonoma County 23
- Stanislaus County 40
- Sutter County 8
- Tehama County 11
- Tulare County 19
- Tuolumne County 4
- Undetermined County 32
- Ventura County 41
- Yolo County 16
- Yuba County 8
Industries in California
Sources are grouped by the first industry code on the facility record.
- NAICS 9999 343
- Oil and gas extraction (NAICS 2111) 216
- Utilities (NAICS 2211) 209
- Waste management and remediation (NAICS 5622) 75
- Petroleum and coal products manufacturing (NAICS 3241) 63
- Repair and maintenance (NAICS 8111) 52
- Fabricated metal product manufacturing (NAICS 3328) 45
- Merchant wholesalers, nondurable goods (NAICS 4247) 39
- Utilities (NAICS 2213) 39
- Hospitals (NAICS 6221) 35
- Plastics and rubber products manufacturing (NAICS 3261) 35
- Beverage and tobacco manufacturing (NAICS 3121) 32
- Printing and related support (NAICS 3231) 29
- Miscellaneous manufacturing (NAICS 3399) 28
- Paper manufacturing (NAICS 3222) 26
- Transportation equipment manufacturing (NAICS 3364) 24
- Food manufacturing (NAICS 3114) 23
- Waste management and remediation (NAICS 5629) 23
- Pipeline transportation (NAICS 4861) 22
- Pipeline transportation (NAICS 4862) 21
- Food manufacturing (NAICS 3118) 21
- National security and international affairs (NAICS 9281) 21
- Mining and quarrying (NAICS 2123) 21
- Wood product manufacturing (NAICS 3219) 19
- Nonmetallic mineral product manufacturing (NAICS 3273) 18
- Fabricated metal product manufacturing (NAICS 3324) 18
- Specialty trade contractors (NAICS 2389) 17
- Educational services (NAICS 6113) 16
- Chemical manufacturing (NAICS 3251) 15
- Furniture and related product manufacturing (NAICS 3372) 15
- Chemical manufacturing (NAICS 3255) 14
- Computer and electronic product manufacturing (NAICS 3344) 13
- Food manufacturing (NAICS 3119) 13
- Chemical manufacturing (NAICS 3252) 13
- Justice, public order and safety (NAICS 9221) 13
- Chemical manufacturing (NAICS 3254) 12
- Transportation equipment manufacturing (NAICS 3366) 12
- Primary metal manufacturing (NAICS 3315) 12
- Primary metal manufacturing (NAICS 3313) 11
- Agriculture and forestry support (NAICS 1151) 11
- Warehousing and storage (NAICS 4931) 11
- Furniture and related product manufacturing (NAICS 3371) 11
- Fishing, hunting and trapping (NAICS 1141) 11
- Nonmetallic mineral product manufacturing (NAICS 3272) 10
- Food manufacturing (NAICS 3115) 10
- Fabricated metal product manufacturing (NAICS 3323) 10
- Pipeline transportation (NAICS 4869) 10
- Miscellaneous manufacturing (NAICS 3391) 10
- NAICS 4543 10
- Motor vehicle and parts dealers (NAICS 4411) 10
- Personal and laundry services (NAICS 8123) 9
- Nonmetallic mineral product manufacturing (NAICS 3271) 9
- Space research and technology (NAICS 9271) 9
- Fabricated metal product manufacturing (NAICS 3321) 9
- Building construction (NAICS 2361) 8
- Building construction (NAICS 2362) 8
- Electrical equipment and appliance manufacturing (NAICS 3359) 8
- Chemical manufacturing (NAICS 3253) 8
- Transportation equipment manufacturing (NAICS 3362) 8
- Machinery manufacturing (NAICS 3333) 7
- Fabricated metal product manufacturing (NAICS 3327) 7
- Computer and electronic product manufacturing (NAICS 3345) 7
- Machinery manufacturing (NAICS 3339) 7
- Nonmetallic mineral product manufacturing (NAICS 3279) 7
- Executive and legislative government (NAICS 9211) 6
- Chemical manufacturing (NAICS 3259) 6
- Fabricated metal product manufacturing (NAICS 3329) 6
- Machinery manufacturing (NAICS 3335) 6
- NAICS 4521 6
- Nonmetallic mineral product manufacturing (NAICS 3274) 6
- Plastics and rubber products manufacturing (NAICS 3262) 6
- Administration of environmental programs (NAICS 9241) 6
- Textile mills (NAICS 3133) 5
- Crop production (NAICS 1113) 5
- Food manufacturing (NAICS 3112) 5
- Waste management and remediation (NAICS 5621) 5
- Support activities for transportation (NAICS 4881) 5
- Electrical equipment and appliance manufacturing (NAICS 3353) 5
- Crop production (NAICS 1112) 4
- Mining and quarrying (NAICS 2122) 4
Air inspections in California, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 1,920
- 2025 2,487
- 2024 2,773
- 2023 2,852
- 2022 2,071
- 2021 2,109
- 2020 2,180
- 2019 2,688
- 2018 1,888
- 2017 2,222
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| DUCOMMUN AEROSTRUCTURES (FRMLY AEROCHEM) | Major source | No |
| DUCOMMUN AEROSTRUCTURES INC | Major source | No |
| DUCOMMUN AEROSTRUCTURES INC | Major source | No |
| DUFFY ELECTRIC BOAT CO.- DUFFIELD MARINE | Major source | No |
| DUFFY ELECTRIC BOAT COMPANY # 1215 | Minor source | No |
| DUGGINS CONSTRUCTION | Minor source | No |
| DUGHAITION DEPORT | Minor source | No |
| DUNCAN BROTHERS INC | Major source | No |
| DUNN-EDWARDS CORP | Minor source | No |
| DV NATURAL RESOURCES | Major source | Yes |
| DYNEGY MORRO BAY,LLC (FRMLY LSP/DUKE) | Major source | No |
| DYNEGY OAKLAND LLC | Major source | Yes |
| DYNEGY SOUTH BAY (DUKE ENERGY SOUTH BAY) | Major source | No |
| E & B NATURAL RESOURCES MANAGEMENT CO | Synthetic minor source | No |
| E & J GALLO WINERY | Major source | No |
| E & J GALLO WINERY | Major source | No |
| E & J GALLO WINERY & BRANDY | Major source | Yes |
| E.M.E. INC/ELECTRO MACHINE & ENGINEERING | Major source | No |
| E/M COATING SERVICES | Major source | No |
| E/M COATING SERVICES | Major source | No |
| E&B NATIONAL RESOURCES MANAGEMENT | Synthetic minor source | No |
| E&B NATURAL RESOURCES | Synthetic minor source | No |
| E&B NRM CORP (SLO - NEW CUYAMA) | Synthetic minor source | No |
| E&B RESOURCE (SCU) SOUTH CUYAMA | Major source | No |
| E&B RESOURCES GAS PLANT #10 (SOUTH CUAMA | Major source | No |
| E&B RESOURCES SOUTH CUYAMA IC ENGINES | Major source | No |
| E&J AUTO WRECKERS | Minor source | No |
| E&J GALLO WINERY | Major source | Yes |
| EARTHGRAINS (AKA RAINBO BAKING CO) | Minor source | No |
| EARTHGRAINS BAKING CO | Minor source | No |
| EARTHGRAINS- REDDING | Minor source | No |
| EAST ALTAMONT ENERGY CENTER | Major source | No |
| EAST BAY MUNICIPAL UTILITY DISTRICT | Major source | Yes |
| EAST LOS ANGELES COLLEGE | Major source | No |
| EASTERN MUNICIPAL WATER DIST-PERRIS | Major source | No |
| EASTERN MUNICIPAL WATER DISTRICT | Minor source | No |
| EASTERN MUNICIPAL WATER DISTRICT | Major source | No |
| EASTERN MUNICIPAL WATER DISTRICT | Minor source | No |
| ECO SERVICES OPERATIONS CORP (FORMERLY RHODIA INC) | Major source | Yes |
| ECO SERVICES OPERATIONS CORP. | Major source | No |
| ECONO LUBE & TUBE | Minor source | No |
| ECONO LUBE & TUNE | Minor source | No |
| ED MEALEY CONSTRUCTION | Minor source | No |
| EDELBROCK FOUNDRY CORPORATION | Minor source | No |
| EDSAL SANDUSKY CORPORATION | Synthetic minor source | No |
| EEL RIVER SAWMILL B | Minor source | No |
| EER | Minor source | No |
| EF OXNARD LLC | Major source | No |
| EL CAJON ENERGY CENTER | Major source | No |
| EL DORADO IRRIGATION DISTRICT | Minor source | No |
| EL DORADO TARGET | Minor source | No |
| EL SEGUNDO ENERGY CENTER LLC | Major source | No |
| ELECTRIC DRIVES INC | Synthetic minor source | No |
| ELECTROCUBE | Minor source | No |
| ELEMENTS SPECIALITIES | Major source | No |
| ELK CORPORATION OF TEXAS | Synthetic minor source | No |
| ELK HILLS POWER LLC | Major source | No |
| ELK HILLS POWER LLC | Major source | No |
| EMBASSY SUITE | Minor source | No |
| EMBEE PLATING | Major source | No |
| EMD SPECIALTY MATERIALS, LLC ARLON EMD | Major source | No |
| EMERALD SOCAL, LLC | Minor source | No |
| ENCINA WASTEWATER AUTHORITY | Synthetic minor source | No |
| ENERGY 2001 | Synthetic minor source | No |
| ENERY HOLDINGS LLC | Major source | No |
| ENGINEERED POLYMER SOLUTIONS INC | Major source | No |
| ENLOE MEDICAL CENTER | Minor source | No |
| EOG RESOURCES | Minor source | No |
| EPPINK OF CALIFORNIA | Major source | No |
| EPSILON PLASTICS INC | Major source | No |
| EQUILON ENT LLC, SHELL OIL PROD. U S | Major source | No |
| EQUILON ENTER. LLC, SHELL OIL PROD. US | Major source | No |
| EQUILON ENTER.LLC , SHELL OIL PROD. U S | Major source | No |
| EQUILON ENTERPRISE DBA SHELL OIL PRODUCT | Major source | No |
| EQUILON ENTERPRISES LLC | Major source | No |
| EQUILON ENTERPRISES LLC SHELL OIL PROD | Major source | No |
| EQUILON ENTERPRISES-MARTINEZ TERMINAL | Minor source | No |
| ESCONDIDO ENERGY CENTER LLC | Major source | No |
| ETHOS ENERGY POWER PLANT SERVICES, LLC. | No | |
| EUROPA MOTOR SERVICE | Minor source | No |
| EUROPEAN LUXARY PART PLANET | Minor source | No |
| EUROPEAN SPECIALIST | Minor source | No |
| EUROSTAR AUTO DISMANTLER | Minor source | No |
| EVERGREEN BEVERAGE PACKAGING | Major source | No |
| EXXON-POPCO GAS PLANT | Major source | No |
| EXXON-SYU PROJ./LAS FLORES CANYON | Major source | No |
| EXXON-SYU PROJ./PLATFORM HARMONY | Major source | No |
| EXXON-SYU PROJ./PLATFORM HERITAGE | Major source | No |
| EXXON-SYU/LFC PROJ./PLATFORM HONDO | Major source | No |
| EXXONMOBIL OIL CORP- SAN ARDO | Major source | No |
| F LOFRANO & SON INC | Minor source | No |
| FABRI COTE | Major source | No |
| FAIRMEAD LANDFILL | Major source | No |
| FAIRMONT HOTEL MANAGEMENT CO | Minor source | No |
| FAIRVIEW DEVELOPMENT CENTER | Major source | No |
| FENDER MUSICAL INSTRUMENTS CORP | Major source | No |
| FIBER CARE BATHS INC. | Major source | No |
| FIESTA PACIFIC PRODUCTS | Minor source | No |
| FIGARO GELATO | Minor source | No |
| FILM ILLUSIONS | Minor source | No |
Figures from EPA’s ICIS-AIR download.