Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Glacier County, Montana, 2017

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 Glacier County, Montana during 2017. 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 Glacier County facility page.

Air-emissions stack tests in Glacier County, other years

Air-emissions stack tests recorded in Glacier County, Montana, 2017

DateFacilityKindAgency
2017-09-22NORTHWESTERN ENERGY MAINLINE #1PassState
2017-09-22NORTHWESTERN ENERGY MAINLINE #1PassState
2017-09-22NORTHWESTERN ENERGY MAINLINE #1PassState
2017-09-22NORTHWESTERN ENERGY MAINLINE #1PassState
2017-09-22NORTHWESTERN ENERGY MAINLINE #1PassState
2017-09-22NORTHWESTERN ENERGY MAINLINE #1PassState
2017-09-22NORTHWESTERN ENERGY MAINLINE #1PassState
2017-09-22NORTHWESTERN ENERGY MAINLINE #1PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-03-24COBB STORAGE FIELD STATION 017PassState
2017-02-24NORTHWESTERN ENERGY MAINLINE #1PassState
2017-02-24NORTHWESTERN ENERGY MAINLINE #1PassState
2017-02-24NORTHWESTERN ENERGY MAINLINE #1PassState
2017-02-24NORTHWESTERN ENERGY MAINLINE #1PassState
2017-02-24NORTHWESTERN ENERGY MAINLINE #1PassState
2017-02-24NORTHWESTERN ENERGY MAINLINE #1PassState
2017-02-24NORTHWESTERN ENERGY MAINLINE #1PassState
2017-02-24NORTHWESTERN ENERGY MAINLINE #1PassState

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 Glacier county, MT, for 2017. It lists 26 stack tests recorded in 2017.