EPA Air · stack tests by county and year
Air-emissions stack tests in Sumner County, Tennessee, 2026
- 4Stack 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 Sumner County, Tennessee 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 Sumner County facility page.
Sumner County, Tennessee, 2026
Air-emissions stack tests in Sumner County, other years
Air-emissions stack tests recorded in Sumner County, Tennessee, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-06 | TENNESSEE VALLEY AUTHORITY - GALLATIN FOSSIL PLANT | Pending | State |
| 2026-06-17 | TENNESSEE VALLEY AUTHORITY - GALLATIN FOSSIL PLANT | Pass | State |
| 2026-06-09 | TENNESSEE GAS PIPELINE COMPANY, L.L.C. | Pending | State |
| 2026-02-05 | TENNESSEE VALLEY AUTHORITY - GALLATIN FOSSIL PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.