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 |
|---|---|---|---|---|
| 2023-06-01 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-06-01 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-06-01 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-06-01 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-06-01 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-06-01 | RILEY MATERIALS | NORWALK, Huron, OH | Pass | State |
| 2023-06-01 | RILEY MATERIALS | NORWALK, Huron, OH | Pass | State |
| 2023-05-31 | THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file | GREENVILLE, Darke, OH | Pass | State |
| 2023-05-31 | THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file | GREENVILLE, Darke, OH | Pass | State |
| 2023-05-25 | OBERLIN MUNICIPAL LIGHT & POWER SYSTEM | OBERLIN, Lorain, OH | Pass | State |
| 2023-05-25 | OBERLIN MUNICIPAL LIGHT & POWER SYSTEM | OBERLIN, Lorain, OH | Pass | State |
| 2023-05-25 | OBERLIN MUNICIPAL LIGHT & POWER SYSTEM | OBERLIN, Lorain, OH | Pass | State |
| 2023-05-25 | OBERLIN MUNICIPAL LIGHT & POWER SYSTEM | OBERLIN, Lorain, OH | Pass | State |
| 2023-05-25 | OBERLIN MUNICIPAL LIGHT & POWER SYSTEM | OBERLIN, Lorain, OH | Pass | State |
| 2023-05-25 | OBERLIN MUNICIPAL LIGHT & POWER SYSTEM | OBERLIN, Lorain, OH | Pass | State |
| 2023-05-25 | OBERLIN MUNICIPAL LIGHT & POWER SYSTEM | OBERLIN, Lorain, OH | Pass | State |
| 2023-05-25 | RUST-OLEUM CORPORATION FAIRBORN | FAIRBORN, Greene, OH | Pass | State |
| 2023-05-24 | PRO-TEC COATING COMPANY | LEIPSIC, Putnam, OH | Pass | State |
| 2023-05-24 | CHARTER STEEL | RISINGSUN, Wood, OH | Pass | State |
| 2023-05-24 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-24 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-24 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-24 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-24 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-24 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-24 | KINDER MORGANTENNESSEE GAS PIPELINE STATION 209 | CUMBERLAND, Guernsey, OH | Pass | State |
| 2023-05-24 | KINDER MORGANTENNESSEE GAS PIPELINE STATION 209 | CUMBERLAND, Guernsey, OH | Pass | State |
| 2023-05-24 | KINDER MORGANTENNESSEE GAS PIPELINE STATION 209 | CUMBERLAND, Guernsey, OH | Pass | State |
| 2023-05-24 | DTE MARIETTA | MARIETTA, Washington, OH | Pass | State |
| 2023-05-24 | DTE MARIETTA | MARIETTA, Washington, OH | Pass | State |
| 2023-05-23 | BEKAERT CORPORATION | ORRVILLE, Wayne, OH | Pass | State |
| 2023-05-23 | CHARTER STEEL | RISINGSUN, Wood, OH | Pass | State |
| 2023-05-23 | KINDER MORGAN TENNESSEE GAS PIPELINE STATION 204 | ALBANY, Athens, OH | Pass | State |
| 2023-05-23 | KINDER MORGAN TENNESSEE GAS PIPELINE STATION 204 | ALBANY, Athens, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-23 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-05-23 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-05-23 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-05-23 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-05-23 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-05-23 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-05-18 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2023-05-18 | GENERAL JAMES M. GAVIN POWER PLANT | CHESHIRE, Gallia, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-05-18 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2023-05-18 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2023-05-18 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2023-05-18 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2023-05-18 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2023-05-18 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2023-05-18 | MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file | CANTON, Stark, OH | Pass | State |
| 2023-05-18 | MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file | CANTON, Stark, OH | Pass | State |
| 2023-05-18 | BEAVER - CEC #1 | CONESVILLE, Coshocton, OH | Pass | State |
| 2023-05-17 | ROVER PIPELINE - DEFIANCE COMPRESSOR STATION | DEFIANCE, Defiance, OH | Pass | State |
| 2023-05-17 | FIRST SOLAR INC. | WALBRIDGE, Wood, OH | Pass | State |
| 2023-05-17 | FIRST SOLAR INC. | WALBRIDGE, Wood, OH | Pass | State |
| 2023-05-17 | FIRST SOLAR INC. | WALBRIDGE, Wood, OH | Pass | State |
| 2023-05-17 | FIRST SOLAR INC. | WALBRIDGE, Wood, OH | Pass | State |
| 2023-05-17 | ASCENT RESOURCES - UTICA LLC - KALDOR UNIT 1H | MEAD, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-17 | ASCENT RESOURCES - UTICA LLC - KALDOR UNIT 1H | MEAD, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-17 | ASCENT RESOURCES - UTICA LLC - KALDOR UNIT 1H | MEAD, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-05-17 | ASCENT RESOURCES - UTICA, LLC - ALBRIGHT | SHADYSIDE, Belmont, OH | Pass | State |
| 2023-05-17 | ASCENT RESOURCES - UTICA, LLC - ALBRIGHT | SHADYSIDE, Belmont, OH | Pass | State |
| 2023-05-17 | ASCENT RESOURCES - UTICA, LLC - ALBRIGHT | SHADYSIDE, Belmont, OH | Pass | State |
| 2023-05-17 | USG INTERIORS, INC., AMERICAN METALS CORP., WESTLAKE | WESTLAKE, Cuyahoga, OH | Pass | State |
| 2023-05-17 | USG INTERIORS, INC., AMERICAN METALS CORP., WESTLAKE | WESTLAKE, Cuyahoga, OH | Pass | State |
| 2023-05-17 | USG INTERIORS, INC., AMERICAN METALS CORP., WESTLAKE | WESTLAKE, Cuyahoga, OH | Pass | State |
| 2023-05-17 | USG INTERIORS, INC., AMERICAN METALS CORP., WESTLAKE | WESTLAKE, Cuyahoga, OH | Pass | State |
| 2023-05-16 | ROVER PIPELINE - DEFIANCE COMPRESSOR STATION | DEFIANCE, Defiance, OH | Pass | State |
| 2023-05-16 | ROVER PIPELINE - DEFIANCE COMPRESSOR STATION | DEFIANCE, Defiance, OH | Pass | State |
| 2023-05-16 | ROVER PIPELINE - DEFIANCE COMPRESSOR STATION | DEFIANCE, Defiance, OH | Pass | State |
| 2023-05-16 | SAUDER WOODWORKING COGENERATION FACILITY | ARCHBOLD, Fulton, OH | Pass | State |
| 2023-05-16 | SAUDER WOODWORKING COGENERATION FACILITY | ARCHBOLD, Fulton, OH | Pass | State |
| 2023-05-16 | SAUDER WOODWORKING COGENERATION FACILITY | ARCHBOLD, Fulton, OH | Pass | State |
| 2023-05-16 | SAUDER WOODWORKING COGENERATION FACILITY | ARCHBOLD, Fulton, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.