EPA Air · stack tests by county and year
Air-emissions stack tests in Kern County, California, 2025
- 3,380Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Kern County, California during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Kern County facility page.
Kern County, California, 2025
- Inspections 820
Air-emissions stack tests in Kern County, other years
Air-emissions stack tests recorded in Kern County, California, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-05-22 | SAN JOAQUIN REFINING CO — high-priority violation on file | Pass | Local |
| 2025-05-22 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-05-22 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-05-19 | KERN OIL & REFINING — high-priority violation on file | Pass | Local |
| 2025-05-19 | KERN OIL & REFINING — high-priority violation on file | Pass | Local |
| 2025-05-19 | KERN OIL & REFINING — high-priority violation on file | Pass | Local |
| 2025-05-19 | KERN OIL & REFINING — high-priority violation on file | Pass | Local |
| 2025-05-19 | KERN OIL & REFINING — high-priority violation on file | Pass | Local |
| 2025-05-15 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2025-05-15 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2025-05-15 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2025-05-15 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2025-05-14 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-14 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-14 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-14 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-14 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-14 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-14 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-14 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-13 | AERA ENERGY — high-priority violation on file | Pass | Local |
| 2025-05-12 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-05-12 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-05-12 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-05-12 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-09 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | AERA ENERGY LLC — high-priority violation on file | Pass | Local |
| 2025-05-08 | AERA ENERGY LLC — high-priority violation on file | Pass | Local |
| 2025-05-08 | AERA ENERGY LLC — high-priority violation on file | Pass | Local |
| 2025-05-08 | AERA ENERGY LLC — high-priority violation on file | Pass | Local |
| 2025-05-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-05-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-05-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-05-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-05-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2025-05-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.