EPA Air · stack tests by state and year
Air-emissions stack tests in Ohio, 2024
- 2,721Stack 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 Ohio during 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Ohio, 2024
- Lucas County 340
- Monroe County 282
- Belmont County 257
- Harrison County 168
- Jefferson County 142
- Carroll County 141
- Montgomery County 127
- Guernsey County 97
- Cuyahoga County 85
- Noble County 83
- Butler County 82
- Columbiana County 72
- Tuscarawas County 71
- Hamilton County 67
- Undetermined County 51
- Wayne County 47
- Defiance County 40
- Stark County 39
- Franklin County 31
- Fayette County 31
- Ashtabula County 29
- Lorain County 29
- Erie County 27
- Mahoning County 27
- Licking County 26
- Perry County 24
- Fulton County 22
- Geauga County 18
- Summit County 17
- Paulding County 16
- Crawford County 15
- Greene County 14
- Scioto County 14
- Delaware County 13
- Brown County 12
- Wood County 11
- Allen County 10
- Darke County 9
- Trumbull County 9
- Lake County 8
- Coshocton County 8
- Washington County 8
- Shelby County 8
- Clark County 8
- Pickaway County 6
- Fairfield County 6
- Warren County 6
- Ashland County 6
- Jackson County 6
- Medina County 5
- Athens County 5
- Portage County 5
- Hancock County 5
- Richland County 5
- Lawrence County 4
- Ross County 4
- Union County 3
- Logan County 3
- Muskingum County 3
Ohio, other years
Air-emissions stack tests recorded in Ohio, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-11-20 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2024-11-20 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2024-11-20 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2024-11-20 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2024-11-20 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2024-11-20 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2024-11-20 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2024-11-20 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2024-11-20 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-11-19 | BLUE RACER MIDSTREAM LLC - CARROLL CO FIELD STATION #1 | CARROLLTON, Carroll, OH | Pass | State |
| 2024-11-19 | BLUE RACER MIDSTREAM LLC - CARROLL CO FIELD STATION #1 | CARROLLTON, Carroll, OH | Pass | State |
| 2024-11-19 | BLUE RACER MIDSTREAM LLC - CARROLL CO FIELD STATION #1 | CARROLLTON, Carroll, OH | Pass | State |
| 2024-11-19 | HILCORP ENERGY - ELK RUN AUER PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2024-11-19 | HILCORP ENERGY - ELK RUN AUER PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2024-11-19 | HILCORP ENERGY - ELK RUN AUER PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA LLC - WALDO MNR GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA LLC - WALDO MNR GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA LLC - WALDO MNR GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA LLC - LAWSON 19-11N-7W | FREEPORT, Harrison, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA LLC - LAWSON 19-11N-7W | FREEPORT, Harrison, OH | Pass | State |
| 2024-11-19 | ASCENT RESOURCES - UTICA LLC - LAWSON 19-11N-7W | FREEPORT, Harrison, OH | Pass | State |
| 2024-11-19 | TAIT ELECTRIC GENERATING STATION | MORAINE, Montgomery, OH | Pass | State |
| 2024-11-18 | ASCENT RESOURCES-UTICA, LLC - BROWN WSG GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-18 | ASCENT RESOURCES-UTICA, LLC - BROWN WSG GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-18 | ASCENT RESOURCES-UTICA, LLC - BROWN WSG GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-18 | ASCENT RESOURCES - UTICA LLC - WALDO MNR GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-18 | ASCENT RESOURCES - UTICA LLC - WALDO MNR GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-18 | ASCENT RESOURCES - UTICA LLC - WALDO MNR GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2024-11-18 | TAIT ELECTRIC GENERATING STATION | DAYTON, Montgomery, OH | Pass | State |
| 2024-11-15 | CLEVELAND-CLIFFS WARREN | WARREN, Trumbull, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | CALGON CARBON CORP. | COLUMBUS, Franklin, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-14 | UNITED ROLLS INC. | CANTON, Stark, OH | Pass | State |
| 2024-11-13 | EOG RESOURCES INC - SHADOW CTB | MALVERN, Carroll, OH | Pass | State |
| 2024-11-13 | EOG RESOURCES INC - SHADOW CTB | MALVERN, Carroll, OH | Pass | State |
| 2024-11-13 | EOG RESOURCES INC - SHADOW CTB | MALVERN, Carroll, OH | Pass | State |
| 2024-11-13 | ROSEBUD DATA CENTER — high-priority violation on file | LISBON, Columbiana, OH | Pass | State |
| 2024-11-13 | ROSEBUD DATA CENTER — high-priority violation on file | LISBON, Columbiana, OH | Pass | State |
| 2024-11-13 | ROSEBUD DATA CENTER — high-priority violation on file | LISBON, Columbiana, OH | Pass | State |
| 2024-11-13 | WHITACRE-GREER | ALLIANCE, Mahoning, OH | Pass | State |
| 2024-11-13 | WHITACRE-GREER | ALLIANCE, Mahoning, OH | Pass | State |
| 2024-11-13 | WHITACRE-GREER | ALLIANCE, Mahoning, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-12 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2024-11-12 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-12 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-11-12 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-11-12 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.