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.
What this page shows
The page covers Clean Air Act facilities in the EPA air register with stack tests in Kern county, CA, 2025. It lists 3,380 stack tests recorded in 2025.