EPA Air · stack tests by county and year
Air-emissions stack tests in Shelby County, Tennessee, 2026
- 30Stack 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 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 Shelby County facility page.
Shelby County, Tennessee, 2026
Air-emissions stack tests in Shelby County, other years
Air-emissions stack tests recorded in Shelby County, Tennessee, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-06-19 | BLUES CITY BREWERY,LLC — high-priority violation on file | Pass | Local |
| 2026-05-06 | ALLEN COMBINED CYCLE PLANT - TVA | Pass | Local |
| 2026-05-05 | ALLEN COMBINED CYCLE PLANT - TVA | Pass | Local |
| 2026-04-28 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-04-28 | MEMPHIS CITY STILES WASTEWATER TREATMENT — high-priority violation on file | Pass | Local |
| 2026-03-03 | ANR PIPELINE CO COLLIERVILLE OF | Pass | Local |
| 2026-02-20 | NUCOR STEEL MEMPHIS | Pass | Local |
| 2026-02-19 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-18 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-18 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-17 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-17 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-17 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-17 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-17 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-17 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-16 | MITSUBISHI CHEMICAL AMERICA (FORMERLY LUCITE INC.) | Pass | Local |
| 2026-02-13 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-12 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-12 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-12 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-02-10 | VALERO REFINING COMPANY-TN LLC | Pass | Local |
| 2026-01-29 | COLOSSUS DATA CENTER | Pass | Local |
| 2026-01-28 | COLOSSUS DATA CENTER | Pass | Local |
| 2026-01-27 | COLOSSUS DATA CENTER | Pass | Local |
| 2026-01-23 | COLOSSUS DATA CENTER | Pass | Local |
| 2026-01-22 | COLOSSUS DATA CENTER | Pass | Local |
| 2026-01-21 | COLOSSUS DATA CENTER | Pass | Local |
| 2026-01-20 | COLOSSUS DATA CENTER | Pass | Local |
| 2026-01-20 | COLOSSUS DATA CENTER | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.