EPA Air · violations by state, industry and year
Mining and quarrying (NAICS 2123): violations in California, 2025
- 4Violations
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. Each row is one violation recorded during 2025 at a California source whose primary industry code is NAICS 2123. A facility filing more than one industry code is counted under the first one on its record.
Mining and quarrying (NAICS 2123) in California, other years
Other industries in California, 2025
- Petroleum and coal products manufacturing (NAICS 3241) 290
- Waste management and remediation (NAICS 5622) 90
- Transportation equipment manufacturing (NAICS 3361) 59
- Utilities (NAICS 2213) 13
- Support activities for transportation (NAICS 4881) 11
- Food manufacturing (NAICS 3113) 9
- Chemical manufacturing (NAICS 3251) 6
- Fabricated metal product manufacturing (NAICS 3324) 6
- Utilities (NAICS 2211) 4
- Oil and gas extraction (NAICS 2111) 4
- Beverage and tobacco manufacturing (NAICS 3121) 3
High-priority air violations recorded in California, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-10-28 | ARCOSA LIGHTWEIGHT, FRAZIER PARK (1603) — high-priority violation on file | FRAZIER PARK, Ventura, CA | Earliest FRV determination | Local |
| 2025-09-09 | SEARLES VALLEY MINERALS (IMC CHEMICALS) — high-priority violation on file | TRONA, San Bernardino, CA | HPV day-zero determination | Local |
| 2025-05-01 | SEARLES VALLEY MINERALS (IMC CHEMICALS) — high-priority violation on file | TRONA, San Bernardino, CA | Earliest FRV determination | Local |
| 2025-05-01 | SEARLES VALLEY MINERALS (IMC CHEMICALS) — high-priority violation on file | TRONA, San Bernardino, CA | Earliest FRV determination | Local |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.