EPA Air · by county
Air-emissions sources in Kern County, California
- 164Facilities
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Every stationary source in Kern County, California that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
Every source’s record in Kern County
Each of the 163 operating major, synthetic minor and minor sources in Kern County, California has a record page: every source in Kern County, A to Z.
By emissions classification in Kern County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Kern County, 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 inspections 635
- 2025 inspections 820
- 2024 inspections 815
- 2023 inspections 993
- 2022 inspections 629
- 2021 inspections 666
- 2020 inspections 655
- 2019 inspections 627
- 2018 inspections 335
- 2017 inspections 609
Violations in Kern County, by year
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.
- 2024 violations 68
- 2023 violations 165
- 2022 violations 271
- 2021 violations 158
- 2020 violations 158
- 2019 violations 166
- 2018 violations 173
- 2017 violations 153
Stack tests in Kern County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 320
- 2025 stack tests 3,380
- 2024 stack tests 7,524
- 2023 stack tests 3,964
- 2022 stack tests 5,839
- 2021 stack tests 5,165
- 2020 stack tests 8,397
- 2019 stack tests 3,121
- 2018 stack tests 3,352
- 2017 stack tests 5,015
Inspections in Kern County, year by year · Violations in Kern County, year by year · Stack tests in Kern County, year by year
Other counties in California
Every county in the state with at least three sources on file.
- 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
- 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
Facilities
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Kern county, CA. It lists 164 facilities in Kern county and 115 major sources.