Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Wetzel County, West Virginia, 2025

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 2025. 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, 2025

Air-emissions stack tests in Wetzel County, other years

Air-emissions stack tests recorded in Wetzel County, West Virginia, 2025

DateFacilityKindAgency
2025-12-10ANTERO MIDSTREAM LLC, LINCOLN COMPRESSOR STNPassState
2025-11-12ANTERO MIDSTREAM LLC, GRAYS PEAK CSPassState
2025-11-06EASTERN GAS TRANSMISSION AND STORAGE, INC., MOCKINGBIRD HILLPassState
2025-09-11EUREKA MIDSTREAM, LLC, CARBIDE SITEPassState
2025-07-30COLUMBIA GAS TRANSMISSION, LLC, SMITHFIELDPassState
2025-06-26ANTERO MIDSTREAM LLC, GRAYS PEAK CSPassState
2025-04-28BLUE RACER MIDSTREAM, LLC, FIELD STATION 1PassState
2025-03-27APPALACHIA MIDSTREAM SERVICES, L.L.C., BLAKE RIDGE FACILITYPassState
2025-03-10MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MOBLEY GAS PLANTPassState
2025-03-04EASTERN GAS TRANSMISSION AND STORAGE, INC., MOCKINGBIRD HILLPassState
2025-02-05MOUNTAIN VALLEY PIPELINE, LLC, BRADSHAW STATIONPassState

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 2025. Stack tests recorded in 2025: 11.