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.