EPA Air · stack tests by county and year
Air-emissions stack tests in Jefferson County, Kentucky, 2025
- 49Stack 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 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 Jefferson County facility page.
Jefferson County, Kentucky, 2025
Air-emissions stack tests in Jefferson County, other years
Air-emissions stack tests recorded in Jefferson County, Kentucky, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-04 | LOUISVILLE GAS AND ELECTRIC COMPANY CANE RUN GENERATING STATION | Pass | Local |
| 2025-12-04 | LOUISVILLE MEDICAL CENTER STEAM PLANT | Pass | Local |
| 2025-12-03 | LOUISVILLE MEDICAL CENTER STEAM PLANT | Pass | Local |
| 2025-12-02 | LOUISVILLE MEDICAL CENTER STEAM PLANT | Pass | Local |
| 2025-12-02 | LOUISVILLE MEDICAL CENTER STEAM PLANT | Pass | Local |
| 2025-11-20 | FORD MOTOR COMPANY KENTUCKY TRUCK PLANT | Pass | Local |
| 2025-11-18 | FORD MOTOR COMPANY KENTUCKY TRUCK PLANT | Pass | Local |
| 2025-11-18 | RECAST ENERGY LOUISVILLE, LLC | Pass | Local |
| 2025-11-13 | MARATHON PETROLEUM CO LP (KRAMERS LANE) | Pass | Local |
| 2025-11-12 | MPLX TERMINALS, LLC - ALGONQUIN TERMINAL | Pass | Local |
| 2025-11-12 | MPLX TERMINALS, LLC - ALGONQUIN TERMINAL | Pass | Local |
| 2025-11-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-11-11 | MPLX TERMINALS, LLC - ALGONQUIN TERMINAL | Pass | Local |
| 2025-10-30 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | Pass | Local |
| 2025-10-30 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | Incomplete | Local |
| 2025-09-16 | BUCKEYE TERMINALS LLC | Pass | Local |
| 2025-08-20 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-08-12 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-08-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-08-03 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-07-30 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-07-10 | BAKELITE SYNTHETICS | Pass | Local |
| 2025-06-30 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | Pass | Local |
| 2025-06-24 | LUBRIZOL ADVANCED MATERIALS, INC | Pass | Local |
| 2025-06-11 | LOUISVILLE GAS AND ELECTRIC COMPANY CANE RUN GENERATING STATION | Pass | Local |
| 2025-06-10 | LOUISVILLE GAS AND ELECTRIC COMPANY CANE RUN GENERATING STATION | Pass | Local |
| 2025-05-30 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2025-05-30 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2025-05-28 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2025-05-28 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2025-05-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2025-05-22 | KOSMOS CEMENT COMPANY LLC | Pending | Local |
| 2025-05-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2025-05-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2025-05-22 | KOSMOS CEMENT COMPANY LLC | Pass | Local |
| 2025-05-20 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | Pass | Local |
| 2025-05-19 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | Fail | Local |
| 2025-05-13 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-05-08 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-04-03 | CLARIANT CORPORATION LOUISVILLE SOUTH PLANT | Pass | Local |
| 2025-04-03 | ROHM & HAAS - LOUISVILLE PLANT | Pass | Local |
| 2025-04-02 | BUCKEYE TERMINALS LLC | Pass | Local |
| 2025-04-02 | ROHM & HAAS - LOUISVILLE PLANT | Pass | Local |
| 2025-02-25 | FORD MOTOR CO LOUISVILLE ASSEMBLY PLANT | Pass | Local |
| 2025-02-19 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-02-12 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-02-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-02-05 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | Pass | Local |
| 2025-01-03 | FORTH TECHNOLOGIES, INC | Pending | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.