EPA Air · stack tests by county and year
Air-emissions stack tests in Marion County, West Virginia, 2025
- 8Stack 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 Marion 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 Marion County facility page.
Air-emissions stack tests in Marion County, other years
Air-emissions stack tests recorded in Marion County, West Virginia, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-20 | DTM APPALACHIA GATHERING, LLC, DAYBROOK STATION | Pass | State |
| 2025-09-05 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | Pass | State |
| 2025-08-13 | MOUNTAIN GATHERING, LLC, MCCLELLAND STATION | Pass | State |
| 2025-07-24 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | Pass | State |
| 2025-04-15 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | Pass | State |
| 2025-04-15 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | Pass | State |
| 2025-04-07 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | Pass | State |
| 2025-02-18 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.