EPA Air · stack tests by county and year
Air-emissions stack tests in Jefferson County, Kentucky, 2026
- 23Stack 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 Jefferson County, Kentucky 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 Jefferson County facility page.
Jefferson County, Kentucky, 2026
Air-emissions stack tests in Jefferson County, other years
Air-emissions stack tests recorded in Jefferson County, Kentucky, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-06-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2026-05-28 | ROHM & HAAS - LOUISVILLE PLANT | Pass | Local |
| 2026-05-27 | ROHM & HAAS - LOUISVILLE PLANT | Pass | Local |
| 2026-05-06 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | Pass | Local |
| 2026-05-05 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | Fail | Local |
| 2026-04-23 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-23 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-23 | SWIFT PORK COMPANY | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-21 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-04-21 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2026-02-27 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | Pass | Local |
| 2026-02-17 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2026-02-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2026-02-09 | FORD MOTOR COMPANY KENTUCKY TRUCK PLANT | Pass | Local |
| 2026-02-05 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2026-02-04 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2026-02-03 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.