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 |
|---|---|---|---|---|
| 2023-04-19 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-19 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-19 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-19 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-19 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-19 | 3M MEDINA | MEDINA, Medina, OH | Pass | State |
| 2023-04-19 | 3M MEDINA | MEDINA, Medina, OH | Pass | State |
| 2023-04-18 | ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2023-04-18 | ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2023-04-18 | ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2023-04-18 | ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2023-04-18 | ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2023-04-18 | ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-18 | ASCENT RESOURCES - UTICA LLC - GILCHER LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-04-18 | ASCENT RESOURCES - UTICA LLC - GILCHER LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-04-18 | ASCENT RESOURCES - UTICA LLC - RED HILL FARMS 1-3N-1W | FREEPORT, Harrison, OH | Pass | State |
| 2023-04-18 | ASCENT RESOURCES - UTICA LLC - RED HILL FARMS 1-3N-1W | FREEPORT, Harrison, OH | Pass | State |
| 2023-04-18 | KENWORTH TRUCK COMPANY | CHILLICOTHE, Ross, OH | Pass | State |
| 2023-04-18 | KM PHOENIX HOLDINGS LLC - DAYTON TERMINAL | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-17 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | HEBRON, Licking, OH | Pass | State |
| 2023-04-14 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-04-14 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-04-14 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-04-14 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-04-14 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-04-14 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-04-14 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-04-14 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-04-14 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-04-13 | TEXAS EASTERN TRANSMISSION, LP ¿ COLERAIN | COLERAIN, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-04-13 | XTO ENERGY - BENNINGTON B4H/2H | BELMONT, Belmont, OH | Pass | State |
| 2023-04-13 | XTO ENERGY - BENNINGTON B4H/2H | BELMONT, Belmont, OH | Pass | State |
| 2023-04-13 | XTO ENERGY - BENNINGTON B4H/2H | BELMONT, Belmont, OH | Pass | State |
| 2023-04-12 | QNITY | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2023-04-12 | GUARDIAN LIMA, LLC — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2023-04-12 | ASCENT RESOURCES - UTICA LLC - BILINOVICH LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-04-12 | ASCENT RESOURCES - UTICA LLC - BILINOVICH LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-04-12 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-04-12 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-12 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-12 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC. | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-12 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC. | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-12 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC. | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-12 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC. | DAYTON, Montgomery, OH | Pass | State |
| 2023-04-11 | QNITY | CIRCLEVILLE, Pickaway, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.