EPA Air · stack tests by county and year
Air-emissions stack tests in McKean County, Pennsylvania, 2026
- 7Stack 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 McKean 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 McKean County facility page.
McKean County, Pennsylvania, 2026
- Inspections 25
Air-emissions stack tests in McKean County, other years
Air-emissions stack tests recorded in McKean County, Pennsylvania, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-09-30 | ELKHORN GAS PROC LLC/KANE PLT | Pass | State |
| 2026-09-30 | SENECA RESOURCES CO LLC/SRC COMP STA | Pass | State |
| 2026-09-29 | LEWIS RUN GAS PLANT LLC/LEWIS RUN GAS PLANT | Pass | State |
| 2026-09-15 | AMER REF GROUP/BRADFORD | Pass | State |
| 2026-08-25 | NATL FUEL GAS SUPPLY CORP/MARVINDALE COMP STA | Pass | State |
| 2026-06-18 | ARDAGH GLASS INC/PORT ALLEGANY PLT — high-priority violation on file | Pass | State |
| 2026-03-03 | NATL FUEL GAS SUPPLY CORP/MARVINDALE COMP STA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.