EPA Air · stack tests by state and year
Air-emissions stack tests in Ohio, 2023
- 2,800Stack 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 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Ohio, 2023
- Harrison County 297
- Belmont County 276
- Monroe County 271
- Carroll County 208
- Lucas County 187
- Jefferson County 138
- Cuyahoga County 126
- Guernsey County 93
- Wayne County 68
- Hamilton County 66
- Noble County 57
- Montgomery County 56
- Franklin County 51
- Fulton County 50
- Washington County 49
- Undetermined County 48
- Trumbull County 46
- Columbiana County 46
- Licking County 43
- Mahoning County 41
- Stark County 38
- Marion County 34
- Ashtabula County 31
- Pickaway County 29
- Tuscarawas County 28
- Greene County 27
- Fayette County 27
- Perry County 26
- Warren County 24
- Wood County 21
- Portage County 20
- Crawford County 17
- Butler County 17
- Summit County 16
- Allen County 16
- Muskingum County 14
- Medina County 14
- Sandusky County 14
- Lorain County 13
- Lake County 11
- Huron County 11
- Union County 10
- Ottawa County 10
- Delaware County 9
- Wyandot County 9
- Brown County 9
- Darke County 9
- Holmes County 8
- Seneca County 6
- Putnam County 6
- Defiance County 5
- Erie County 5
- Logan County 5
- Auglaize County 4
- Lawrence County 4
- Fairfield County 4
- Paulding County 4
- Richland County 3
- Gallia County 3
- Scioto County 3
Ohio, other years
Air-emissions stack tests recorded in Ohio, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-02-07 | EOG RESOURCES, INC. - LLOYD SMITH 1-15-7 PAD | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-02-07 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-02-07 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-02-07 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-02-07 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-02-07 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-02-07 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-02-07 | PATHEON PHARMACEUTICALS INC. | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-02-07 | CITY OF AKRON STEAM GENERATING | AKRON, Summit, OH | Pass | State |
| 2023-02-07 | CITY OF AKRON STEAM GENERATING | AKRON, Summit, OH | Pass | State |
| 2023-02-06 | EOG RESOURCES, INC. - ELLIE 19-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-02-06 | EOG RESOURCES, INC. - ELLIE 19-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-02-06 | EOG RESOURCES, INC. - ELLIE 19-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-02-03 | VERTIV CORPORATION | DELAWARE, Delaware, OH | Pass | State |
| 2023-02-03 | H W CHAIR, LTD | MILLERSBURG, Holmes, OH | Pass | State |
| 2023-02-03 | H W CHAIR, LTD | MILLERSBURG, Holmes, OH | Pass | State |
| 2023-02-03 | H W CHAIR, LTD | MILLERSBURG, Holmes, OH | Pass | State |
| 2023-02-03 | IRONUNITS LLC | TOLEDO, Lucas, OH | Pass | State |
| 2023-02-03 | IRONUNITS LLC | TOLEDO, Lucas, OH | Pass | State |
| 2023-02-03 | IRONUNITS LLC | TOLEDO, Lucas, OH | Pass | State |
| 2023-02-02 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-02 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-02 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-01 | GUERNSEY POWER STATION LLC | BYESVILLE, Guernsey, OH | Pass | State |
| 2023-02-01 | GUERNSEY POWER STATION LLC | BYESVILLE, Guernsey, OH | Pass | State |
| 2023-02-01 | GUERNSEY POWER STATION LLC | BYESVILLE, Guernsey, OH | Pass | State |
| 2023-02-01 | GUERNSEY POWER STATION LLC | BYESVILLE, Guernsey, OH | Pass | State |
| 2023-02-01 | GUERNSEY POWER STATION LLC | BYESVILLE, Guernsey, OH | Pass | State |
| 2023-02-01 | GUERNSEY POWER STATION LLC | BYESVILLE, Guernsey, OH | Pass | State |
| 2023-02-01 | EOG RESOURCES, INC. - DAVIS TRUST 19-11-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-02-01 | EOG RESOURCES, INC. - DAVIS TRUST 19-11-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-02-01 | EOG RESOURCES, INC. - DAVIS TRUST 19-11-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-02-01 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-02-01 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-02-01 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-02-01 | EQUITRANS LP - PLASMA COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-02-01 | EQUITRANS LP - PLASMA COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-01-31 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-01-31 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-01-31 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-01-31 | EOG RESOURCES, INC. - DAVID WEAVER HN STO PAD | SCIO, Harrison, OH | Pass | State |
| 2023-01-31 | EOG RESOURCES, INC. - DAVID WEAVER HN STO PAD | SCIO, Harrison, OH | Pass | State |
| 2023-01-31 | EOG RESOURCES, INC. - DAVID WEAVER HN STO PAD | SCIO, Harrison, OH | Pass | State |
| 2023-01-31 | DANSONS PEEBLES, LLC | PEEBLES, Adams, OH | Fail | State |
| 2023-01-30 | EOG RESOURCES, INC. - SMITH 28-10-5-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-30 | EOG RESOURCES, INC. - SMITH 28-10-5-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-30 | EOG RESOURCES, INC. - SMITH 28-10-5-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-30 | EOG RESOURCES, INC. - CROMIKA 34-10-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-30 | EOG RESOURCES, INC. - CROMIKA 34-10-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-30 | EOG RESOURCES, INC. - CROMIKA 34-10-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-28 | UNITED INITIATORS, INC. | ELYRIA, Lorain, OH | Pass | State |
| 2023-01-27 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-01-27 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-01-27 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-01-27 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-27 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-27 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-27 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-27 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-27 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-27 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-27 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-24 | EOG RESOURCES, INC. - WIANDT 12-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-01-24 | EOG RESOURCES, INC. - WIANDT 12-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-01-24 | EOG RESOURCES, INC. - WIANDT 12-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-01-24 | BRINKER COMPRESSOR STATION | LEETONIA, Columbiana, OH | Pass | State |
| 2023-01-24 | BRINKER COMPRESSOR STATION | LEETONIA, Columbiana, OH | Pass | State |
| 2023-01-24 | BRINKER COMPRESSOR STATION | LEETONIA, Columbiana, OH | Pass | State |
| 2023-01-24 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-24 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-24 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-24 | WRIGHT-PATTERSON AIR FORCE BASE | FAIRBORN, Greene, OH | Pass | State |
| 2023-01-24 | HARTZELL HARDWOODS, INC. | PIQUA, Miami, OH | Pass | State |
| 2023-01-24 | CORRCHOICE, LLC - MASSILLON MILL — high-priority violation on file | MASSILLON, Stark, OH | Pass | State |
| 2023-01-24 | CORRCHOICE, LLC - MASSILLON MILL — high-priority violation on file | MASSILLON, Stark, OH | Pass | State |
| 2023-01-24 | CORRCHOICE, LLC - MASSILLON MILL — high-priority violation on file | MASSILLON, Stark, OH | Pass | State |
| 2023-01-24 | THE UNIVERSITY OF AKRON | AKRON, Summit, OH | Fail | State |
| 2023-01-23 | HILCORP ENERGY - ELK RUN BAKER PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2023-01-23 | HILCORP ENERGY - ELK RUN BAKER PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2023-01-23 | HILCORP ENERGY - ELK RUN BAKER PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2023-01-23 | EOG RESOURCES, INC. - AKERS 25-12-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-23 | EOG RESOURCES, INC. - AKERS 25-12-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-23 | EOG RESOURCES, INC. - AKERS 25-12-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | BUNTING BEARINGS LLC | DELTA, Fulton, OH | Pass | State |
| 2023-01-19 | CROWN BATTERY MANUFACTURING CO | FREMONT, Sandusky, OH | Pass | State |
| 2023-01-19 | CROWN BATTERY MANUFACTURING CO | FREMONT, Sandusky, OH | Pass | State |
| 2023-01-19 | CROWN BATTERY MANUFACTURING CO | FREMONT, Sandusky, OH | Pass | State |
| 2023-01-19 | CROWN BATTERY MANUFACTURING CO | FREMONT, Sandusky, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.