EPA Air · stack tests by county and year
Air-emissions stack tests in Upshur County, West Virginia, 2025
- 5Stack 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 Upshur 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 Upshur County facility page.
Air-emissions stack tests in Upshur County, other years
Air-emissions stack tests recorded in Upshur County, West Virginia, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-12 | SAINT-GOBAIN CERAMICS & PLASTICS, INC., BUCKHANNO — high-priority violation on file | Fail | State |
| 2025-09-25 | WEYERHAEUSER COMPANY, BUCKHANNON | Pass | State |
| 2025-09-24 | WEYERHAEUSER COMPANY, BUCKHANNON | Pass | State |
| 2025-07-29 | COLUMBIA GAS TRANSMISSION, LLC, CLEVELAND | Pass | State |
| 2025-04-16 | WEYERHAEUSER COMPANY, BUCKHANNON | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.