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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Sumner county, TN, for 2026. Stack tests recorded in 2026: 4.