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 |
|---|---|---|---|---|
| 2023-02-22 | TAIT ELECTRIC GENERATING STATION | MORAINE, Montgomery, OH | Pass | State |
| 2023-02-21 | ENBRIDGE GAS OHIO - AUGUSTA COMPRESSOR STATION | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-02-21 | ENBRIDGE GAS OHIO - AUGUSTA COMPRESSOR STATION | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-02-21 | ENBRIDGE GAS OHIO - AUGUSTA COMPRESSOR STATION | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-02-21 | ENBRIDGE GAS OHIO - AUGUSTA COMPRESSOR STATION | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-02-21 | ENBRIDGE GAS OHIO - AUGUSTA COMPRESSOR STATION | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-02-21 | ENBRIDGE GAS OHIO - AUGUSTA COMPRESSOR STATION | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | MAHONING LANDFILL, INC. | SPRINGFIELD, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2023-02-21 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2023-02-21 | RICHARD STALDER PAD 952766 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-21 | RICHARD STALDER PAD 952766 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-21 | RICHARD STALDER PAD 952766 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-21 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-21 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-21 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-21 | TAIT ELECTRIC GENERATING STATION | DAYTON, Montgomery, OH | Pass | State |
| 2023-02-21 | TAIT ELECTRIC GENERATING STATION | DAYTON, Montgomery, OH | Pass | State |
| 2023-02-20 | TEXAS EASTERN TRANSMISSION, LP ¿ COLERAIN | COLERAIN, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-02-20 | TEXAS EASTERN TRANSMISSION, LP ¿ COLERAIN | COLERAIN, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-02-20 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-20 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-20 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-20 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-20 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-20 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-20 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #1 | SUMMERFIELD, Noble, OH | Pass | State |
| 2023-02-20 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #1 | SUMMERFIELD, Noble, OH | Pass | State |
| 2023-02-20 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #1 | SUMMERFIELD, Noble, OH | Pass | State |
| 2023-02-20 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #1 | SUMMERFIELD, Noble, OH | Pass | State |
| 2023-02-20 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #1 | SUMMERFIELD, Noble, OH | Pass | State |
| 2023-02-20 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #1 | SUMMERFIELD, Noble, OH | Pass | State |
| 2023-02-17 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-02-16 | SALINEVILLE COMPRESSOR STATION | SALINEVILLE, Columbiana, OH | Pass | State |
| 2023-02-16 | SALINEVILLE COMPRESSOR STATION | SALINEVILLE, Columbiana, OH | Pass | State |
| 2023-02-16 | NOVELIS CORPORATION | WARREN, Trumbull, OH | Pass | State |
| 2023-02-16 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-02-16 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-02-15 | ASCENT RESOURCES - UTICA LLC - JENNINGS WLS GR | LORE CITY, Guernsey, OH | Pass | State |
| 2023-02-15 | ASCENT RESOURCES - UTICA LLC - JENNINGS WLS GR | LORE CITY, Guernsey, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-02-15 | INR MIDSTREAM, LLC - BATESVILLE | OHIO, Undetermined, OH | Pass | State |
| 2023-02-15 | INR MIDSTREAM, LLC - BATESVILLE | OHIO, Undetermined, OH | Pass | State |
| 2023-02-15 | INR MIDSTREAM, LLC - BATESVILLE | OHIO, Undetermined, OH | Pass | State |
| 2023-02-15 | INR MIDSTREAM, LLC - BATESVILLE | OHIO, Undetermined, OH | Pass | State |
| 2023-02-15 | INR MIDSTREAM, LLC - BATESVILLE | OHIO, Undetermined, OH | Pass | State |
| 2023-02-15 | INR MIDSTREAM, LLC - BATESVILLE | OHIO, Undetermined, OH | Pass | State |
| 2023-02-15 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-02-15 | NEXUS GAS TRANSMISSION WADSWORTH COMPRESSOR STATION | SEVILLE, Medina, OH | Pass | State |
| 2023-02-14 | SHEPHERD CHEMICAL CO | NORWOOD, Hamilton, OH | Pass | State |
| 2023-02-13 | NEXUS GAS TRANSMISSION, LLC - CLYDE COMPRESSOR STATION | CLYDE, Sandusky, OH | Pass | State |
| 2023-02-10 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-02-10 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-02-10 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-02-10 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-02-10 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-02-10 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-02-09 | EOG RESOURCES, INC. - JD CR AUG PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-02-09 | EOG RESOURCES, INC. - JD CR AUG PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-02-09 | EOG RESOURCES, INC. - WILLIAMSON 12-10-3 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2023-02-09 | EOG RESOURCES, INC. - WILLIAMSON 12-10-3 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2023-02-09 | EOG RESOURCES, INC. - WILLIAMSON 12-10-3 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2023-02-08 | EOG RESOURCES, INC. - DEERSVILLE HN FRA PAD | DEERSVILLE, Harrison, OH | Pass | State |
| 2023-02-08 | EOG RESOURCES, INC. - DEERSVILLE HN FRA PAD | DEERSVILLE, Harrison, OH | Pass | State |
| 2023-02-08 | EOG RESOURCES, INC. - DEERSVILLE HN FRA PAD | DEERSVILLE, Harrison, OH | Pass | State |
| 2023-02-08 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-08 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-08 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2023-02-08 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2023-02-08 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2023-02-08 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2023-02-08 | CITY OF AKRON STEAM GENERATING | AKRON, Summit, OH | Pass | State |
| 2023-02-07 | EOG RESOURCES, INC. - KENNETH LLOYD 5-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-02-07 | EOG RESOURCES, INC. - KENNETH LLOYD 5-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-02-07 | EOG RESOURCES, INC. - KENNETH LLOYD 5-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-02-07 | EOG RESOURCES, INC. - LLOYD SMITH 1-15-7 PAD | SHERRODSVILLE, Carroll, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.