Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Clark County, Washington, 2023

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

DateFacilityKindAgency
2023-11-14NORTHWEST PIPELINE CORP WASHOUGALPassLocal
2023-08-29NORTHWEST PIPELINE CORP WASHOUGALPassLocal
2023-08-25CLARK PUBLIC UTILITIES / RIVER ROAD GENERATING PROJECTPassLocal
2023-05-17NORTHWEST PIPELINE CORP WASHOUGALIncompleteLocal

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.