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 |
|---|---|---|
| JF SHEA-FAWNDALE | Synthetic minor source | No |
| JF SHEA-SMITH ROAD | Synthetic minor source | No |
| JG BOSWELL CO- OIL MILL | Major source | No |
| JIM FINNEY | Minor source | No |
| JIM'S FORMAL WEAR | Synthetic minor source | No |
| JOE HEGER FARMS LLC | Minor source | No |
| JOHN BEAN TECHNOLOGIES CORPORATION | Major source | No |
| JOHN W. BLANKENSHIP CONSTRUCTION | Minor source | Yes |
| JOHNS MANVILLE CO | Major source | No |
| JOHNSON LAMINATING & COATING INC | Major source | No |
| JR SIMPLOT | Major source | No |
| JR SIMPLOT CO | Major source | Yes |
| K-MART | Minor source | No |
| K-MART | Minor source | No |
| K-MART | Minor source | No |
| K. F. FIBERGLASS INC | Major source | No |
| K&G AUTO DISMANTLER | Minor source | No |
| KAISER ALUMINUM FABRICATED PRODUCTS | Major source | No |
| KAISER FOUNDATION HOSPITAL | Major source | No |
| KAUFMAN & BROAD HOME CORP | Minor source | No |
| KCA ELECTRONICS | Major source | No |
| KELCO MONSANTO CO | Synthetic minor source | No |
| KELLER CANYON LANDFILL COMPANY | Major source | Yes |
| KELPETRO OPERATING INC | Major source | No |
| KENTUCKY FRY CHICKEN | Minor source | No |
| KENTUCKY FRY CHICKEN | Minor source | No |
| KENTUCKY FRY CHICKEN | Minor source | No |
| KENWOOD WINERY | Minor source | No |
| KERN COUNTY MOJAVE-ROSAMOND LANDFILL | Major source | No |
| KERN COUNTY RIDGECREST LANDFILL | Major source | No |
| KERN COUNTY TEHACHAPI LANDFILL | Major source | No |
| KERN FRONT LIMITED | Major source | No |
| KERN OIL & REFINERY CO. | Major source | No |
| KERN OIL & REFINING | Major source | Yes |
| KERN RIVER GAS CO- CONSTRUC & OPERATION | Minor source | Yes |
| KHS DISMANTLING & REPAIR | Minor source | No |
| KINCAID & DECKER INC, DBA WOODMART WINDO | Minor source | No |
| KINDER MORGAN | Major source | No |
| KINDER MORGAN LIQUIDS TERMINAL | Minor source | No |
| KINDER MORGAN LIQUIDS TERMINALS LLC | Major source | No |
| KINDER MORGAN/SFPP | Major source | No |
| KINDER-MORGAN ENERGY PARTNERS | Minor source | No |
| KINDEVA DRUG DELIVERY | Minor source | No |
| KING'S REFRIGERATION | Minor source | No |
| KINGSBURG COGENERATION PROJECT | Major source | No |
| KINGSPAN LIGHT & AIR LLC | Major source | No |
| KIRBY CANYON LANDFILL | Major source | Yes |
| KIRK'S MOTORSPORT | Minor source | No |
| KIRKHILL INC | Major source | No |
| KIRKWOOD MASTER METER/DEHY STATION | Minor source | No |
| KIRKWOOD RP#2 (GAS EXTRACTION WELL) | Minor source | No |
| KIRKWOOD STATION (PG&E) ODORIZING | Minor source | No |
| KNAUF INSULATION, GMBH | Major source | No |
| KRAFT HEINZ FOODS CO | Major source | No |
| KRAGEN AUTO PARTS | Minor source | No |
| KRAGEN AUTO SUPPLY | Minor source | No |
| KREYSLER & ASSOCICATES | Minor source | No |
| KRYSTAL KOACH, INC | Minor source | No |
| KUNDE ESTATE WINERY | Minor source | No |
| KUNNAN GOLF | Minor source | No |
| KUSTOM FIT MFG CO | Minor source | No |
| KWITCHYERKIKIN DEMOLITION COMPANY | Minor source | No |
| KWON'S AUTO REPAIR | Minor source | No |
| KYOCERA AMERICA INC | Synthetic minor source | No |
| L & P PROPERTY MANAGEMENT CO | Minor source | No |
| L STREET 76 GAS STATION | Minor source | No |
| L.A.B MECHANICAL | Minor source | No |
| LA COUNTY SANITATION DIST SCHOLL CANYON | Major source | No |
| LA CITY BUREAU OF SANITATION (LOPEZ CANYON) | Major source | No |
| LA CITY DEPARTMENT OF AIRPORTS, ONTARIO | Major source | No |
| LA CITY DEPT OF AIRPORTS | Major source | No |
| LA CITY DWP- VALLEY GENERATING STN | Major source | No |
| LA CITY, DWP HARBOR GENERATING STATION | Major source | No |
| LA CITY, DWP SCATTERGOOD GENERATING STN | Major source | No |
| LA CITY, SANITATION BUREAU (HTP) | Major source | No |
| LA CITY, TERMINAL ISLAND TREATMENT PLANT | Major source | No |
| LA CNTY SANITATION DISTRICT-PALOS VERDES | Minor source | No |
| LA CNTY SANITATION DISTRICT-PUENTE HILLS | Major source | No |
| LA CO HARBOR-UCLA MEDICAL CENTER | Major source | No |
| LA CO SANITATION DIST CALABASSAS LNDFILL | Major source | No |
| LA CO-OLIVE VIEW/UCLA MEDICAL CENTER | Major source | No |
| LA CO. METROPOLITAN TRANSIT AUTHORITY | Major source | No |
| LA CO. SANITATION DIST | Major source | No |
| LA CO., INTERNAL SERVICE DEPT | Major source | No |
| LA CO., RANCHO LOS AMIGOS NAT. REHAB CTR | Major source | Yes |
| LA CONCHITA OIL & GAS PLANT | Synthetic minor source | No |
| LA COSTA RESORT & SPA | Minor source | No |
| LA COUNTY SANITATION DISTRICTS (SPADRA) | Major source | No |
| LA COUNTY SHERIFF DEPT | Major source | No |
| LA COUNTY SHERIFF'S DEPT | Major source | No |
| LA FUENTE RESTAURANT | Minor source | No |
| LA HABRA HIGH SCHOOL | Minor source | No |
| LA PALOMA GENERATING PLANT | Major source | No |
| LAC/USC MEDICAL CENTER | Major source | No |
| LADW&P-HAYNES STEAM | Major source | No |
| LAIRD COATINGS CORP | Major source | No |
| LAKESIDE PUMP STATION | No | |
| LAMPS PLUS INC/ PACIFIC COAST LIGHTING | Major source | No |
| LAND O' LAKES, INC | Major source | Yes |
| LANDCASTER LANDFILL | Major source | No |
Figures from EPA’s ICIS-AIR download.