EPA Air · stack tests by county and year

Air-emissions stack tests in Snohomish County, Washington, 2020

15Stack 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 Snohomish County, Washington during 2020. 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 Snohomish County facility page.

Snohomish County, Washington, 2020

Air-emissions stack tests in Snohomish County, other years

Air-emissions stack tests recorded in Snohomish County, Washington, 2020

Date	Facility	Kind	Agency
2020-11-13	BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file	Pass	Local
2020-11-13	BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file	Pass	Local
2020-11-13	BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file	Pass	Local
2020-11-13	BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file	Pass	Local
2020-11-06	BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file	Pass	Local
2020-11-06	BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file	Pass	Local
2020-11-06	BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file	Pass	Local
2020-11-06	BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file	Pass	Local
2020-09-22	NORTHWEST PIPELINE LLC SNOHOMISH	Pass	Local
2020-09-22	NORTHWEST PIPELINE LLC SNOHOMISH	Pass	Local
2020-09-22	LYNNWOOD, CITY OF, WASTEWATER TREATMENT FACILITY	Fail	U.S. EPA
2020-05-01	LYNNWOOD, CITY OF, WASTEWATER TREATMENT FACILITY	Pass	Local
2020-05-01	LYNNWOOD, CITY OF, WASTEWATER TREATMENT FACILITY	Fail	U.S. EPA
2020-03-30	HAMPTON LUMBER MILLS-WASHINGTON INC	Pass	Local
2020-03-26	HAMPTON LUMBER MILLS-WASHINGTON INC	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 Snohomish county, WA, in 2020. Stack tests recorded in 2020: 15.