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 |
|---|---|---|---|
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-22 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | HIGH SIERRA LIMITED | Pass | Local |
| 2025-07-21 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-21 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-21 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-21 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-15 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-07-15 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-07-10 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-10 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-10 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-10 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-10 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-07-07 | TRICOR REFINING, LLC — high-priority violation on file | Pass | Local |
| 2025-07-07 | TRICOR REFINING, LLC — high-priority violation on file | Pass | Local |
| 2025-07-07 | TRICOR REFINING, LLC — high-priority violation on file | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-02 | E&B NATIONAL RESOURCES MANAGEMENT | Pass | Local |
| 2025-07-01 | SENECA RESOURCES — high-priority violation on file | Pass | Local |
| 2025-07-01 | SENECA RESOURCES — high-priority violation on file | Pass | Local |
| 2025-07-01 | SENECA RESOURCES — high-priority violation on file | Pass | Local |
| 2025-06-30 | CRIMSON RESOURCE MANAGEMENT | Pass | Local |
| 2025-06-30 | CRIMSON RESOURCE MANAGEMENT | Pass | Local |
| 2025-06-26 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2025-06-26 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2025-06-24 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-06-24 | CALIFORNIA RESOURCES PRODUCTION CORP | Pass | Local |
| 2025-06-19 | AERA ENERGY LLC — high-priority violation on file | Pass | Local |
| 2025-06-19 | AERA ENERGY LLC — high-priority violation on file | Pass | Local |
| 2025-06-19 | AERA ENERGY LLC — high-priority violation on file | Pass | Local |
| 2025-06-19 | AERA ENERGY LLC — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
| 2025-06-12 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.