EPA Air · stack tests by county and year

Air-emissions stack tests in Jefferson County, Kentucky, 2025

50Stack 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
2025-12-11	THE CHEMOURS COMPANY FC, LLC	Pass	Local
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.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Jefferson county, KY, in 2025. It lists 49 stack tests recorded in 2025.