EPA Air · stack tests by county and year
Air-emissions stack tests in Lewis County, Washington, 2026
- 3Stack 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 Lewis County, Washington 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 Lewis County facility page.
Lewis County, Washington, 2026
- Inspections 21
Air-emissions stack tests in Lewis County, other years
What stands out
- Stack tests in Lewis County, Washington, fell from 17 in 2025, the previous year on file, to 3 in 2026.
- The county’s file for stack tests holds 10 years of events, from 2017 through 2026.
- Its 3 stack tests rank 6th of the 8 county cells in Washington for 2026.
- Its 3 stack tests are 3.4% of the 87 the state’s file holds for 2026.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Lewis County, Washington, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-02-24 | CARDINAL FG COMPANY | Pass | Local |
| 2026-02-12 | PUGET SOUND ENERGY (WA NATURAL GAS) | Pass | Local |
| 2026-02-11 | PUGET SOUND ENERGY (WA NATURAL GAS) | 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 Lewis county, WA, for 2026. It lists 3 stack tests recorded in 2026.