EPA Air · by county
Air-emissions sources in Fresno County, California
- 55Facilities
Every stationary source in Fresno 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 Fresno County
Each of the 54 operating major, synthetic minor and minor sources in Fresno County, California has a record page: every source in Fresno County, A to Z.
By emissions classification in Fresno 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 Fresno 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 215
- 2025 inspections 262
- 2024 inspections 331
- 2023 inspections 313
- 2022 inspections 214
- 2021 inspections 282
- 2020 inspections 229
- 2019 inspections 347
- 2018 inspections 216
- 2017 inspections 212
Violations in Fresno 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 16
- 2023 violations 26
- 2022 violations 42
- 2021 violations 50
- 2020 violations 37
- 2019 violations 51
- 2018 violations 32
- 2017 violations 35
Stack tests in Fresno County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 14
- 2025 stack tests 219
- 2024 stack tests 597
- 2023 stack tests 1,186
- 2022 stack tests 1,831
- 2021 stack tests 4,644
- 2020 stack tests 2,425
- 2019 stack tests 1,305
- 2018 stack tests 927
- 2017 stack tests 1,089
Inspections in Fresno County, year by year · Violations in Fresno County, year by year · Stack tests in Fresno 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
- 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
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 Fresno county, CA. It lists 55 facilities in Fresno county and 39 major sources.