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 |
|---|---|---|---|---|
| 2021-11-18 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2021-11-18 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2021-11-18 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2021-11-18 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2021-11-17 | DARBY POWER, LLC | OHIO, Undetermined, OH | Pass | State |
| 2021-11-17 | DARBY POWER, LLC | OHIO, Undetermined, OH | Pass | State |
| 2021-11-17 | PPG INDUSTRIES - ERU | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2021-11-17 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2021-11-17 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2021-11-17 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2021-11-17 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2021-11-17 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2021-11-17 | ASCENT RESOURCES - UTICA LLC - RABER LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2021-11-17 | ASCENT RESOURCES - UTICA LLC - RABER LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2021-11-17 | ASCENT RESOURCES - UTICA LLC - RABER LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2021-11-17 | ASCENT RESOURCES - UTICA LLC - LAKE 20-11N-7W | FREEPORT, Harrison, OH | Pass | State |
| 2021-11-17 | ASCENT RESOURCES - UTICA LLC - LAKE 20-11N-7W | FREEPORT, Harrison, OH | Pass | State |
| 2021-11-17 | ASCENT RESOURCES - UTICA LLC - LAKE 20-11N-7W | FREEPORT, Harrison, OH | Pass | State |
| 2021-11-17 | MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file | CANTON, Stark, OH | Pass | State |
| 2021-11-16 | EASTERN GAS TRANSMISSION AND STORAGE, INC. | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2021-11-16 | EASTERN GAS TRANSMISSION AND STORAGE, INC. | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2021-11-16 | DARBY POWER, LLC | OHIO, Undetermined, OH | Pass | State |
| 2021-11-16 | GENERAL JAMES M. GAVIN POWER PLANT | CHESHIRE, Gallia, OH | Pass | State |
| 2021-11-16 | GREIF - CINCINNATI PAPERBOARD | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-11-15 | EOG RESOURCES, INC. - HOCHSTETLER 7-11-5 PAD | JEWETT, Harrison, OH | Pass | State |
| 2021-11-15 | EOG RESOURCES, INC. - HOCHSTETLER 7-11-5 PAD | JEWETT, Harrison, OH | Pass | State |
| 2021-11-12 | MSC WALBRIDGE COATINGS INC — high-priority violation on file | WALBRIDGE, Wood, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-12 | OHIO RIVER SYSTEM LLC - REX BOOSTER STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2021-11-10 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2021-11-10 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2021-11-10 | BARRETT PAVING - MIDDLETOWN ASPHALT | MIDDLETOWN, Butler, OH | Pass | State |
| 2021-11-10 | EMERY OLEOCHEMICALS LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-11-10 | EMERY OLEOCHEMICALS LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-11-09 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2021-11-09 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2021-11-09 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2021-11-09 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2021-11-09 | ALLIED CORP - PLANT 74A — high-priority violation on file | JACKSON, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2021-11-09 | ALLIED CORP - PLANT 74A — high-priority violation on file | JACKSON, TOWNSHIP OF, Mahoning, OH | Pass | State |
| 2021-11-04 | ERIE GENERATING STATION | MILAN, Erie, OH | Pass | State |
| 2021-11-04 | ERIE GENERATING STATION | MILAN, Erie, OH | Pass | State |
| 2021-11-04 | ERIE GENERATING STATION | MILAN, Erie, OH | Pass | State |
| 2021-11-04 | SUNRISE CO-OP, CLARKSFIELD FACILITY | WAKEMAN, Huron, OH | Pass | State |
| 2021-11-04 | NANOGATE JAY SYSTEMS LLC | MANSFIELD, Richland, OH | Pass | State |
| 2021-11-04 | NANOGATE JAY SYSTEMS LLC | MANSFIELD, Richland, OH | Fail | State |
| 2021-11-04 | NANOGATE JAY SYSTEMS LLC | MANSFIELD, Richland, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2021-11-04 | VALLEY ASPHALT #27 — high-priority violation on file | WASHINGTON COURT HOUSE, Fayette, OH | Pass | State |
| 2021-11-02 | AVERY DENNISON PFF, BLDG 3 | PAINESVILLE, Lake, OH | Pass | State |
| 2021-11-02 | AVERY DENNISON PFF, BLDG 3 | PAINESVILLE, Lake, OH | Pass | State |
| 2021-11-02 | AVERY DENNISON PFF, BLDG 3 | PAINESVILLE, Lake, OH | Pass | State |
| 2021-11-02 | JOHNS MANVILLE | DEFIANCE, Defiance, OH | Pass | State |
| 2021-11-02 | JOHNS MANVILLE | DEFIANCE, Defiance, OH | Pass | State |
| 2021-11-02 | MAHLE THERMAL AND FLUID SYSTEMS DAYTON LLC | DAYTON, Montgomery, OH | Pass | State |
| 2021-10-29 | DEPARTMENT OF PUBLIC UTILITIES, CITY OF ORRVILLE, OHIO | ORRVILLE, Wayne, OH | Pass | State |
| 2021-10-28 | ANR PIPELINE COMPANY | DEFIANCE, Defiance, OH | Pass | State |
| 2021-10-28 | ANR PIPELINE COMPANY | DEFIANCE, Defiance, OH | Pass | State |
| 2021-10-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2021-10-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2021-10-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2021-10-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2021-10-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2021-10-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2021-10-28 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2021-10-28 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2021-10-28 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2021-10-28 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.