EPA Air · by county
Air-emissions sources in Orange County, California
- 110Facilities
Every stationary source in Orange 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.
By emissions classification in Orange 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.
- Major source 56
- Minor source 48
Inspections in Orange 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 17
- 2025 — inspections 31
- 2024 — inspections 62
- 2023 — inspections 39
- 2022 — inspections 40
- 2021 — inspections 23
- 2020 — inspections 53
- 2019 — inspections 100
- 2018 — inspections 70
- 2017 — inspections 80
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| TRIG AEROSPACE | Minor source | No |
| TYLER REFRIGERATION | Minor source | Yes |
| U.S. GOVT, DEPT OF NAVY | Major source | No |
| UNIV CAL IRVINE (NSR USE ONLY) | Major source | No |
| VISTA PAINT CORP | Major source | No |
| VITATECH INTL INC | Major source | No |
| WEDO GRAPHICS INC | Major source | No |
| WEST AMERICAN RUBBER COMPANY, LLC | Minor source | No |
| WESTERLY MARINE INC | Minor source | No |
| XERXES CORP- A DELAWARE CORP | Major source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.