EPA Air · stack tests by county and year
Air-emissions stack tests in Clark County, Washington, 2023
- 4Stack 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 Clark County, Washington during 2023. 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 Clark County facility page.
Clark County, Washington, 2023
Air-emissions stack tests in Clark County, other years
Air-emissions stack tests recorded in Clark County, Washington, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-11-14 | NORTHWEST PIPELINE CORP WASHOUGAL | Pass | Local |
| 2023-08-29 | NORTHWEST PIPELINE CORP WASHOUGAL | Pass | Local |
| 2023-08-25 | CLARK PUBLIC UTILITIES / RIVER ROAD GENERATING PROJECT | Pass | Local |
| 2023-05-17 | NORTHWEST PIPELINE CORP WASHOUGAL | Incomplete | 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 Clark county, WA, in 2023. Stack tests recorded in 2023: 4.