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 |
|---|---|---|
| COUNTY OF PLACER | Minor source | No |
| COUNTY OF PLACER,FACILITY MANAGEMENT | Minor source | No |
| COUNTY OF SACRAMENTO PW (KIEFER SITE) | Major source | Yes |
| COUNTY OF SANTA BARBARA-TAJIGUAS LANDFIL | Major source | No |
| COVANTA DELANO INC (FRMLY AES DELANO) | Major source | No |
| COVANTA STANISLAUS, INC | Major source | Yes |
| COVERIS FLEXIBLES NA LLC (HANFORD) | Synthetic minor source | No |
| CRC - KORBEL | Major source | No |
| CREATIVE PRESS HOLDINGS,DBA CREATIVE | Major source | No |
| CREED ENERGY CENTER LLC | Major source | No |
| CRESTWOOD WEST COAST LLC | Minor source | No |
| CRIMSON CALIFORNIA PIPELINE LP | Synthetic minor source | No |
| CRIMSON CALIFORNIA PIPELINE, LP | Major source | No |
| CRIMSON CALIFORNIA PIPELINE, LP | Major source | No |
| CRIMSON PIPELINE, L.P. | Minor source | No |
| CRIMSON PIPELINE, LP | Major source | No |
| CRIMSON PIPELINE, LP | Major source | No |
| CRIMSON RESOURCE MANAGEMENT | Major source | No |
| CRIMSON RESOURCE MANAGEMENT | Synthetic minor source | Yes |
| CRIMSON RESOURCE MANAGEMENT | Major source | No |
| CRIMSON RESOURCE MANAGEMENT | Major source | No |
| CROCKETT COGENERATION, A CAL LTD PARTNER | Major source | Yes |
| CROWN PRINTERS | Minor source | No |
| CSATF/CA SUBSTANCE ABUSE TREATMENT FAC | Major source | No |
| CSC (RAILROAD CAR)_RICK BARONE | Minor source | Yes |
| CUSTOM ALLOY METALS | Minor source | No |
| CUSTOM ALLOY SALES, INC | Minor source | Yes |
| CUSTOM ALLOY SCRAP SALES, INC | Minor source | No |
| CUSTOM CRAFT MARBLE | Minor source | No |
| CUSTOM ENAMELERS INC | Minor source | No |
| CUSTOM MARBLE & ONYX | Major source | No |
| CUSTOM MARBLE & ONYX CORP | Minor source | Yes |
| CUSTOMER CARE CENTER - PICK-N-PULL | Minor source | No |
| CYPRESS AMLOC LAND CO , INC | Major source | Yes |
| CYTEC ENGINEERED MATERIALS INC | Minor source | No |
| CYTEC ENGINEERED MATERIALS INC | Minor source | No |
| D & T FIBERGLASS | Major source | No |
| D. C. AUTO DISMANTLING | Minor source | No |
| DAIRY FARMERS OF AMERICA | Minor source | No |
| DALY CITY RADIATOR INC | Minor source | No |
| DANFIELD | Minor source | No |
| DANIEL COMPANY LLC | Major source | No |
| DARLING INTERNATIONAL | Major source | No |
| DART CONTAINER CORP | Major source | No |
| DART CONTAINER CORP OF CALIFORNIA | Major source | Yes |
| DATRON ADVANCED TECHNOLOGIES DIV | Minor source | No |
| DAVIS WIRE CORP | Major source | No |
| DCOR-PLATFORM HABITAT | Synthetic minor source | No |
| DEAN FOODS COMPANY OF CALIFORNIA, INC | Minor source | No |
| DEBRIS FIELD, WILDCAT DUMP | Minor source | No |
| DEBRIS, RAILROAD TRACKS | Minor source | No |
| DEL MONTE CORP-HANFORD PLANT 24 | Major source | No |
| DEL ORO (HOUSING DEVELOPMENT) | Minor source | No |
| DELANO ENERGY CENTER LLC | Major source | No |
| DELAWARE SHELL AUTO SERVICE | Minor source | No |
| DELGADO BROS | Major source | No |
| DELICATO VINEYARDS | Major source | No |
| DELTA ENERGY CENTER | Major source | Yes |
| DELTA PACKING COMPANY OF LODI INC | Synthetic minor source | No |
| DEMENNO-KERDOON DBA WORLD OIL RECYCLING | Major source | No |
| DENNY'S RESTAURANT | Minor source | No |
| DESERT SHORES | Minor source | No |
| DESIGN ASPECTS FURNITURE | Minor source | No |
| DESIGNS BY ELEMENTS INC | Major source | No |
| DEUEL VOCATIONAL INSTITUTE | Synthetic minor source | No |
| DEUTSCH COMPANY | Minor source | No |
| DEZ CONSTRUCTION (CITY OF EL CENTRO) | Minor source | No |
| DG FAIRHAVEN POWER CO | Major source | No |
| DIABLO FOREIGN DISMANTLERS | Minor source | No |
| DIAMOND FOOD INC(DIAMOND WALNUT GROWERS) | Major source | No |
| DIAMOND PET FOODS - RIPON | Major source | No |
| DINNER'S RESTAURANT | Minor source | No |
| DISNEYLAND RESORT | Major source | No |
| DIVERSIFIED COATING, INC. | Minor source | No |
| DOBBINS/OREGON HOUSE FIRE DISTRICT | Minor source | No |
| DOLE ENTERPRISES | Major source | No |
| DOLE ENTERPRISES | Major source | No |
| DOLE ENTERPRISES | Synthetic minor source | Yes |
| DOLE PACKAGED FOODS LLC | Synthetic minor source | No |
| DOMAINE CHANDON | Minor source | No |
| DOME PRINTING & LITHOGRAPH | Minor source | No |
| DONALD VON RAESFELD POWER PLANT | Major source | No |
| DONALDSON COMPANY INC | Synthetic minor source | No |
| DORMAN'S TIRE INC | Minor source | No |
| DORRIS AUTO WRECKERS | Minor source | No |
| DOS CUADRAS/SOUTH CNTY/PLATFORM HILLHOUS | Major source | No |
| DOS CUADRAS/SOUTH COUNTY/PLATFORM A | Major source | No |
| DOS CUADRAS/SOUTH COUNTY/PLATFORM B | Major source | No |
| DOS CUADRAS/SOUTH COUNTY/PLATFORM C | Major source | No |
| DOS CUADRAS/SOUTH COUNTY/PLATFORM HENRY | Major source | No |
| DOUBLE C LIMITED | Major source | No |
| DOUBLE RAINBOW | Minor source | No |
| DOW CHEM USA- NSR USE | Minor source | No |
| DOW CHEMICAL COMPANY | Major source | No |
| DRAGON ESP LTD | Synthetic minor source | No |
| DREISBACH ENTERPRISES | Minor source | No |
| DRY CLEAN EXPRESS | Minor source | No |
| DTE STOCKTON LLC | Major source | No |
| DTRS SANTA MONICA, LLC | Minor source | No |
| DUBLIN ICELAND | Minor source | No |
Figures from EPA’s ICIS-AIR download.