EPA Air · stack tests by county and year
Air-emissions stack tests in Kern County, California, 2026
- 320Stack 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 2026. 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, 2026
- Inspections 635
Air-emissions stack tests in Kern County, other years
Air-emissions stack tests recorded in Kern County, California, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-01-15 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2026-01-15 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2026-01-15 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2026-01-14 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2026-01-14 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2026-01-13 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2026-01-13 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2026-01-13 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2026-01-13 | CRESTWOOD WEST COAST LLC | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-08 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2026-01-07 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-07 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
| 2026-01-06 | CHEVRON COGENERATION COMPANY | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.