EPA Air · stack tests by county and year
Air-emissions stack tests in Whatcom County, Washington, 2025
- 12Stack 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 Whatcom County, Washington 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 Whatcom County facility page.
Whatcom County, Washington, 2025
- Inspections 20
Air-emissions stack tests in Whatcom County, other years
Air-emissions stack tests recorded in Whatcom County, Washington, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-15 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | Pass | Local |
| 2025-09-03 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | Pass | Local |
| 2025-08-14 | PUGET SOUND ENERGY FERNDALE | Pass | Local |
| 2025-08-14 | PUGET SOUND ENERGY FERNDALE | Pass | Local |
| 2025-07-31 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | Pass | Local |
| 2025-03-13 | PHILLIPS 66 | Pass | Local |
| 2025-03-11 | PHILLIPS 66 | Pass | Local |
| 2025-03-06 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | Pass | Local |
| 2025-03-03 | PHILLIPS 66 | Pass | Local |
| 2025-02-20 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | Pass | Local |
| 2025-02-19 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | Pass | Local |
| 2025-02-13 | BP WEST COAST PRODUCTS LLC — 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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Whatcom county, WA, for 2025. It lists 12 stack tests recorded in 2025.