EPA Air · stack tests by state and year
Air-emissions stack tests in Ohio, 2021
- 2,582Stack 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 2021; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Ohio, 2021
- Monroe County 258
- Belmont County 208
- Franklin County 204
- Harrison County 157
- Lucas County 147
- Montgomery County 112
- Licking County 110
- Cuyahoga County 93
- Jefferson County 92
- Carroll County 78
- Richland County 78
- Columbiana County 71
- Hamilton County 70
- Noble County 51
- Guernsey County 50
- Stark County 49
- Mahoning County 48
- Wayne County 45
- Undetermined County 43
- Huron County 35
- Butler County 32
- Defiance County 32
- Pickaway County 26
- Union County 25
- Darke County 25
- Warren County 25
- Wood County 24
- Madison County 23
- Perry County 23
- Allen County 21
- Ashtabula County 21
- Fayette County 20
- Lorain County 19
- Summit County 18
- Scioto County 17
- Crawford County 15
- Delaware County 14
- Trumbull County 13
- Medina County 12
- Knox County 12
- Greene County 11
- Seneca County 10
- Brown County 10
- Putnam County 9
- Lake County 9
- Williams County 9
- Tuscarawas County 9
- Muskingum County 8
- Clermont County 8
- Fairfield County 7
- Washington County 7
- Jackson County 5
- Erie County 5
- Lawrence County 5
- Athens County 5
- Vinton County 5
- Gallia County 5
- Shelby County 5
- Marion County 5
- Ross County 4
- Preble County 4
- Logan County 3
- Portage County 3
- Holmes County 3
Ohio, other years
Air-emissions stack tests recorded in Ohio, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-05-13 | LES RENEWABLE NG LLC - GROVE CITY | GROVE CITY, Franklin, OH | Pass | State |
| 2021-05-13 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-13 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2021-05-13 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2021-05-13 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2021-05-13 | ASCENT RESOURCES - UTICA LLC - BILINOVICH LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2021-05-13 | ASCENT RESOURCES - UTICA LLC - BILINOVICH LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-13 | MARKWEST LAREW COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2021-05-12 | PERFORMANCE MANUFACTURING CENTER | MARYSVILLE, Union, OH | Pass | State |
| 2021-05-12 | PERFORMANCE MANUFACTURING CENTER | MARYSVILLE, Union, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2021-05-12 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2021-05-12 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2021-05-12 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2021-05-12 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2021-05-12 | BUCKEYE TERMINALS, LLC - CLEVELAND PLANT | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2021-05-12 | BUCKEYE TERMINALS, LLC - CLEVELAND PLANT | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2021-05-12 | SHEPHERD CHEMICAL CO | NORWOOD, Hamilton, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | TOLEDO REFINING COMPANY LLC | OREGON, Lucas, OH | Pass | State |
| 2021-05-11 | ASCENT RESOURCES - UTICA LLC - JONES 21-11-6 WELL PAD | FREEPORT, Harrison, OH | Pass | State |
| 2021-05-11 | ASCENT RESOURCES - UTICA LLC - JONES 21-11-6 WELL PAD | FREEPORT, Harrison, OH | Pass | State |
| 2021-05-11 | ASCENT RESOURCES - UTICA LLC - JONES 21-11-6 WELL PAD | FREEPORT, Harrison, OH | Pass | State |
| 2021-05-11 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2021-05-11 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2021-05-10 | GEOPETRO LLC - FIRESTONE A, M&R PAD SITE | COLUMBIANA, Columbiana, OH | Pass | State |
| 2021-05-10 | GEOPETRO LLC - FIRESTONE A, M&R PAD SITE | COLUMBIANA, Columbiana, OH | Pass | State |
| 2021-05-10 | GEOPETRO LLC - FIRESTONE A, M&R PAD SITE | COLUMBIANA, Columbiana, OH | Pass | State |
| 2021-05-10 | FCA US LLC - TOLEDO SOUTH PAINT FACILITY | TOLEDO, Lucas, OH | Fail | State |
| 2021-05-10 | FCA US LLC - TOLEDO SOUTH PAINT FACILITY | TOLEDO, Lucas, OH | Fail | State |
| 2021-05-07 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2021-05-07 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2021-05-07 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2021-05-06 | MAGNESITA REFRACTORIES CO.- SAYBROOK PLANT | ASHTABULA, Ashtabula, OH | Fail | State |
| 2021-05-06 | MAGNESITA REFRACTORIES CO.- SAYBROOK PLANT | ASHTABULA, Ashtabula, OH | Fail | State |
| 2021-05-06 | MAGNESITA REFRACTORIES CO.- SAYBROOK PLANT | ASHTABULA, Ashtabula, OH | Fail | State |
| 2021-05-06 | SOUTH FIELD ENERGY LLC | WELLSVILLE, Columbiana, OH | Pass | State |
| 2021-05-06 | SOUTH FIELD ENERGY LLC | WELLSVILLE, Columbiana, OH | Pass | State |
| 2021-05-06 | SOUTH FIELD ENERGY LLC | WELLSVILLE, Columbiana, OH | Pass | State |
| 2021-05-06 | SOUTH FIELD ENERGY LLC | WELLSVILLE, Columbiana, OH | Pass | State |
| 2021-05-06 | SOUTH FIELD ENERGY LLC | WELLSVILLE, Columbiana, OH | Pass | State |
| 2021-05-06 | SOUTH FIELD ENERGY LLC | WELLSVILLE, Columbiana, OH | Pass | State |
| 2021-05-06 | SOUTH FIELD ENERGY LLC | WELLSVILLE, Columbiana, OH | Pass | State |
| 2021-05-06 | CHEMTRADE LOGISTICS INC | CAIRO, Allen, OH | Pass | State |
| 2021-05-06 | NOBLE ROAD LANDFILL | SHILOH, Richland, OH | Pass | State |
| 2021-05-06 | NOBLE ROAD LANDFILL | SHILOH, Richland, OH | Pass | State |
| 2021-05-06 | NOBLE ROAD LANDFILL | SHILOH, Richland, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2021-05-05 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.