Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Wetzel County, West Virginia, 2026

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 Wetzel County, West Virginia during 2026. 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 Wetzel County facility page.

Wetzel County, West Virginia, 2026

Air-emissions stack tests in Wetzel County, other years

Air-emissions stack tests recorded in Wetzel County, West Virginia, 2026

DateFacilityKindAgency
2026-08-06MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MOBLEY GAS PLANTPassState
2026-06-18APPALACHIA MIDSTREAM SERVICES, L.L.C., BLAKE RIDGE FACILITYPassState
2026-04-27BLUE RACER MIDSTREAM, LLC, FIELD STATION 1PassState
2026-04-08EUREKA MIDSTREAM, LLC, CARBIDE SITEPassState
2026-03-09MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MOBLEY GAS PLANTPassState
2026-02-18EASTERN GAS TRANSMISSION AND STORAGE, INC., MOCKINGBIRD HILLPassState

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 Wetzel county, WV, for 2026. Stack tests recorded in 2026: 5.