EPA Air · stack tests by county and year
Air-emissions stack tests in Shelby County, Tennessee, 2025
- 29Stack 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 Shelby County, Tennessee 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 Shelby County facility page.
Shelby County, Tennessee, 2025
Air-emissions stack tests in Shelby County, other years
Air-emissions stack tests recorded in Shelby County, Tennessee, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-09 | COLOSSUS DATA CENTER | Pass | Local |
| 2025-12-08 | COLOSSUS DATA CENTER | Pass | Local |
| 2025-11-19 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-11-12 | KOPPERS PERFORMANCE CHEMICAL | Pass | Local |
| 2025-10-15 | AB MAURI FOOD INC | Pass | Local |
| 2025-10-14 | AB MAURI FOOD INC | Pass | Local |
| 2025-10-09 | MINASOLVE, LLC | Pass | Local |
| 2025-09-26 | EXXONMOBIL OIL CORP. (EMOC) | Pass | Local |
| 2025-09-25 | EXXONMOBIL OIL CORP. (EMOC) | Pass | Local |
| 2025-08-29 | ALLEN COMBINED CYCLE PLANT - TVA | Pass | Local |
| 2025-08-28 | ALLEN COMBINED CYCLE PLANT - TVA | Pass | Local |
| 2025-08-27 | ALLEN COMBINED CYCLE PLANT - TVA | Pass | Local |
| 2025-08-26 | ALLEN COMBINED CYCLE PLANT - TVA | Pass | Local |
| 2025-05-20 | NUCOR STEEL MEMPHIS | Pass | Local |
| 2025-04-09 | ALLEN COMBINED CYCLE PLANT - TVA | Pass | Local |
| 2025-04-08 | ALLEN COMBINED CYCLE PLANT - TVA | Pass | Local |
| 2025-02-14 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-14 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-13 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-13 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-13 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-12 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-12 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-11 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-11 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-11 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-11 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-10 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2025-02-10 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.