Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Clearfield County, Pennsylvania, 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 Clearfield County, Pennsylvania 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 Clearfield County facility page.

Clearfield County, Pennsylvania, 2026

Air-emissions stack tests in Clearfield County, other years

Air-emissions stack tests recorded in Clearfield County, Pennsylvania, 2026

DateFacilityKindAgency
2026-08-25SENECA RESOURCES CORP/PHC COMP STAPassState
2026-05-13RW GATHERING LLC/MOSHANNON COMP STAPassState
2026-01-14GREYLOCK PROD LLC/ANSONVILLE COMP STAPassState

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.