EPA Air · stack tests by state and year
Air-emissions stack tests in Kentucky, 2026
- 71Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Kentucky during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Kentucky, 2026
- Jefferson County 23
- Todd County 7
- Henderson County 4
- McCracken County 3
- Ohio County 3
- Mercer County 3
- Gallatin County 3
- Madison County 3
Kentucky, other years
Air-emissions stack tests recorded in Kentucky, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-07-28 | WESTLAKE VINYLS INC | CALVERT CITY, Marshall, KY | Pass | State |
| 2026-07-23 | TEXAS GAS TRANS LLC | HARDINSBURG, Breckinridge, KY | Pass | State |
| 2026-06-24 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2026-06-23 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2026-06-16 | TN GAS PIPELINE CO LLC - STATION 114 | CATLETTSBURG, Boyd, KY | Pass | State |
| 2026-06-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-06-03 | MISSISSIPPI LIME CO - VERONA PLANT | VERONA, Gallatin, KY | Pass | State |
| 2026-05-28 | NUCOR STEEL GALLATIN LLC | GHENT, Gallatin, KY | Pass | State |
| 2026-05-28 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2026-05-28 | ROHM & HAAS - LOUISVILLE PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-05-27 | ROHM & HAAS - LOUISVILLE PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-05-21 | BIG RIVERS ELECTRIC CORP - DB WILSON STATION — high-priority violation on file | CENTERTOWN, Ohio, KY | Pass | State |
| 2026-05-19 | INGEVITY VIRGINIA CORP - WICKLIFFE CARBON PLANT | WICKLIFFE, Ballard, KY | Pass | State |
| 2026-05-19 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2026-05-19 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2026-05-18 | RUMPKE OF KENTUCKY INC | BUTLER, Pendleton, KY | Pass | State |
| 2026-05-14 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2026-05-12 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2026-05-12 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2026-05-12 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2026-05-06 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-05-05 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | LOUISVILLE, Jefferson, KY | Fail | Local |
| 2026-04-23 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2026-04-23 | LOUISVILLE GAS & ELECTRIC CO - TRIMBLE CO GENERATING STATION | BEDFORD, Trimble, KY | Pass | State |
| 2026-04-23 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-23 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-23 | SWIFT PORK COMPANY | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-22 | ENERSYS DELAWARE INC | RICHMOND, Madison, KY | Pass | State |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-22 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-21 | SHERWIN WILLIAMS AUTO FINISHES | RICHMOND, Madison, KY | Pass | State |
| 2026-04-21 | CARMEUSE LIME INC — high-priority violation on file | BUTLER, Pendleton, KY | Fail | State |
| 2026-04-21 | OWLS HEAD ALLOYS INC | BOWLING GREEN, Warren, KY | Pass | State |
| 2026-04-21 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-21 | KOSMOS CEMENT COMPANY LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-04-20 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2026-04-14 | CALGON CARBON CORPORATION | CATLETTSBURG, Boyd, KY | Pass | State |
| 2026-04-07 | WESTLAKE VINYLS INC | CALVERT CITY, Marshall, KY | Fail | State |
| 2026-04-07 | SUPERIOR BATTERY MFG CO | RUSSELL SPRINGS, Russell, KY | Pass | State |
| 2026-03-31 | OWENSBORO GRAIN CO LLC | OWENSBORO, Daviess, KY | Pass | State |
| 2026-03-24 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2026-03-24 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2026-03-18 | NORTH AMERICAN STAINLESS | GHENT, Carroll, KY | Pass | State |
| 2026-03-18 | KY UTILITIES CO - BROWN STATION | HARRODSBURG, Mercer, KY | Pass | State |
| 2026-03-17 | KY UTILITIES CO - BROWN STATION | HARRODSBURG, Mercer, KY | Pass | State |
| 2026-03-11 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2026-03-11 | TEXAS GAS TRANSMISSION LLC - WEST GREENVILLE TRANSMISSION STATION | GREENVILLE, Muhlenberg, KY | Pass | State |
| 2026-03-10 | TEXAS GAS TRANSMISSION LLC - MIDLAND III TRANSMISSION | BREMEN, Muhlenberg, KY | Pass | State |
| 2026-02-27 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-02-25 | CORNING INCORPORATED | HARRODSBURG, Mercer, KY | Pass | State |
| 2026-02-24 | NORTH AMERICAN STAINLESS | GHENT, Carroll, KY | Pass | State |
| 2026-02-24 | DUNAWAY TIMBER CO PLANT 2 | FORDSVILLE, Ohio, KY | Pass | State |
| 2026-02-20 | TEXAS EASTERN TRANSMISSION LP - DANVILLE COMPRESSOR STATION | DANVILLE, Boyle, KY | Pass | State |
| 2026-02-19 | TEXAS EASTERN TRANSMISSION LP - DANVILLE COMPRESSOR STATION | DANVILLE, Boyle, KY | Pass | State |
| 2026-02-19 | BIG RIVERS ELECTRIC CORP - DB WILSON STATION — high-priority violation on file | CENTERTOWN, Ohio, KY | Pass | State |
| 2026-02-17 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-02-11 | OWENSBORO GRAIN EDIBLE OILS | OWENSBORO, Daviess, KY | Pass | State |
| 2026-02-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-02-10 | NUCOR STEEL GALLATIN LLC | GHENT, Gallatin, KY | Pass | State |
| 2026-02-10 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2026-02-09 | FORD MOTOR COMPANY KENTUCKY TRUCK PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-02-05 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-02-04 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-02-03 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2026-01-20 | TEXAS GAS TRANS LLC | HARDINSBURG, Breckinridge, KY | Pass | State |
| 2026-01-13 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2026-01-12 | ENERSYS DELAWARE INC | RICHMOND, Madison, KY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.