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 |
|---|---|---|---|
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-19 | ELK CORPORATION OF TEXAS | Pass | Local |
| 2025-12-16 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2025-12-11 | ALON BAKERSFIELD REFINING — high-priority violation on file | Pass | Local |
| 2025-12-11 | ALON BAKERSFIELD REFINING — high-priority violation on file | Pass | Local |
| 2025-12-11 | ALON BAKERSFIELD REFINING — high-priority violation on file | Pass | Local |
| 2025-12-11 | ALON BAKERSFIELD REFINING — high-priority violation on file | Pass | Local |
| 2025-12-11 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2025-12-09 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-12-09 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-12-09 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-12-09 | LINN OPERATING INC — high-priority violation on file | Pass | Local |
| 2025-12-09 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2025-12-03 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2025-12-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-12-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-12-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-12-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-12-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-12-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | Pass | Local |
| 2025-12-01 | BADGER CREEK LIMITED | Pass | Local |
| 2025-12-01 | BADGER CREEK LIMITED | Pass | Local |
| 2025-12-01 | BADGER CREEK LIMITED | Pass | Local |
| 2025-12-01 | BADGER CREEK LIMITED | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-25 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
| 2025-11-18 | ELK HILLS POWER LLC | Pass | Local |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.