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 |
|---|---|---|---|---|
| 2023-10-31 | PYLES PAD 952757 | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-31 | PYLES PAD 952757 | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-31 | CRAIG MILLER PAD 952413 | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-31 | CRAIG MILLER PAD 952413 | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-31 | CRAIG MILLER PAD 952413 | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-31 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-10-31 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-10-31 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2023-10-27 | EOG RESOURCES, INC. - LEEPER 10-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-10-27 | EOG RESOURCES, INC. - LEEPER 10-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-10-27 | EOG RESOURCES, INC. - LEEPER 10-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-10-27 | EOG RESOURCES, INC. - WENDELL CR MON PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-10-27 | EOG RESOURCES, INC. - WENDELL CR MON PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-10-27 | EOG RESOURCES, INC. - WENDELL CR MON PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-10-26 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2023-10-26 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2023-10-26 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2023-10-26 | CHEMSULTANTS PLANT 2 | MENTOR, Lake, OH | Pass | State |
| 2023-10-26 | ULTIUM CELLS LLC | WARREN, Trumbull, OH | Fail | State |
| 2023-10-26 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-26 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-26 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-26 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-10-26 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-10-26 | CARDINAL POWER PLANT (CARDINAL OPERATING COMPANY) | BRILLIANT, Jefferson, OH | Pass | State |
| 2023-10-25 | JOHNS MANVILLE | DEFIANCE, Defiance, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-25 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-24 | SEALED AIR CORPORATION | STREETSBORO, Portage, OH | Pass | State |
| 2023-10-23 | SMALL'S SAND AND GRAVEL | GAMBIER, Knox, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | MARKWEST ARROWHEAD COMPRESSOR STATION | ATHENS, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2023-10-23 | EOG RESOURCES, INC. - ADDY 9-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-23 | EOG RESOURCES, INC. - ADDY 9-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-23 | EOG RESOURCES, INC. - ADDY 9-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-23 | EOG RESOURCES, INC. - APPLEGATH BOOSTER STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-10-23 | EOG RESOURCES, INC. - APPLEGATH BOOSTER STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-10-23 | EOG RESOURCES, INC. - APPLEGATH BOOSTER STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-10-19 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-19 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-19 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-19 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-19 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-19 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-19 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-19 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-19 | ASCENT RESOURCES - UTICA, LLC - KEMPER | BELLAIRE, Belmont, OH | Pass | State |
| 2023-10-19 | ASCENT RESOURCES - UTICA, LLC - KEMPER | BELLAIRE, Belmont, OH | Pass | State |
| 2023-10-19 | ASCENT RESOURCES - UTICA, LLC - KEMPER | BELLAIRE, Belmont, OH | Pass | State |
| 2023-10-19 | ASCENT RESOURCES - UTICA, LLC - WASSMANN | BELLAIRE, Belmont, OH | Pass | State |
| 2023-10-19 | ASCENT RESOURCES - UTICA, LLC - WASSMANN | BELLAIRE, Belmont, OH | Pass | State |
| 2023-10-19 | ASCENT RESOURCES - UTICA, LLC - WASSMANN | BELLAIRE, Belmont, OH | Pass | State |
| 2023-10-19 | EUREKA MIDSTREAM - CAIN RIDGE COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-10-19 | EUREKA MIDSTREAM - CAIN RIDGE COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-10-19 | EUREKA MIDSTREAM - CAIN RIDGE COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-10-19 | EUREKA MIDSTREAM - CAIN RIDGE COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-10-19 | EUREKA MIDSTREAM - CAIN RIDGE COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-10-19 | EUREKA MIDSTREAM - CAIN RIDGE COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-10-19 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2023-10-19 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2023-10-19 | MIAMI FORT POWER COMPANY LLC | NORTH BEND, Hamilton, OH | Pass | State |
| 2023-10-18 | ENERGY TRANSFER MARKETING & TERMINALS L.P-COLUMBUS EAST | COLUMBUS, Franklin, OH | Pass | State |
| 2023-10-18 | MATALCO USA LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-10-18 | ASCENT RESOURCES- UTICA, LLC - PAVICH | WAYNE, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-10-18 | ASCENT RESOURCES- UTICA, LLC - PAVICH | WAYNE, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-10-18 | ASCENT RESOURCES- UTICA, LLC - PAVICH | WAYNE, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-10-18 | NLS ASPHALT, INC. - PLANT #5 — high-priority violation on file | MARTINS FERRY, Belmont, OH | Pass | State |
| 2023-10-18 | NLS ASPHALT, INC. - PLANT #5 — high-priority violation on file | MARTINS FERRY, Belmont, OH | Pass | State |
| 2023-10-18 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.