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 |
|---|---|---|---|---|
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2023-11-08 | ASCENT RESOURCES - UTICA LLC - HOWELL 33 SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-08 | ASCENT RESOURCES - UTICA LLC - HOWELL 33 SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-08 | ASCENT RESOURCES - UTICA LLC - HOWELL 33 SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-08 | ASCENT RESOURCES - UTICA LLC - PORCO WYN JF | RAYLAND, Jefferson, OH | Pass | State |
| 2023-11-08 | ASCENT RESOURCES - UTICA LLC - PORCO WYN JF | RAYLAND, Jefferson, OH | Pass | State |
| 2023-11-08 | ASCENT RESOURCES - UTICA LLC - PORCO WYN JF | RAYLAND, Jefferson, OH | Pass | State |
| 2023-11-08 | RICHARD STALDER PAD 952766 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-08 | RICHARD STALDER PAD 952766 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-08 | RICHARD STALDER PAD 952766 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-08 | RIGGENBACH PAD 952771 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-08 | RIGGENBACH PAD 952771 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-08 | RIGGENBACH PAD 952771 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-08 | MAHLE ENGINE COMPONENTS USA, INC. | MCCONNELSVILLE, Morgan, OH | Pass | State |
| 2023-11-08 | MAHLE ENGINE COMPONENTS USA, INC. | MCCONNELSVILLE, Morgan, OH | Pass | State |
| 2023-11-08 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | REMURIATE DELTA, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2023-11-07 | HOLLIDAY PAD 952538 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-07 | HOLLIDAY PAD 952538 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-07 | HOLLIDAY PAD 952538 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-07 | ROTH PAD 952790 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-07 | ROTH PAD 952790 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-07 | ROTH PAD 952790 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-06 | EOG RESOURCES, INC. - K WALLACE 4-11-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-06 | EOG RESOURCES, INC. - K WALLACE 4-11-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-03 | RAP MANAGEMENT LLC | COLUMBUS, Franklin, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - KOVACH 3-15-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - EDISON RUBY CR ORG PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - EDISON RUBY CR ORG PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - EDISON RUBY CR ORG PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-03 | SUNRISE COOPERATIVE INC. | GALION, Crawford, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - JAMAR 15-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - JAMAR 15-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-11-02 | EOG RESOURCES, INC. - EDIE 17-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-02 | EOG RESOURCES, INC. - EDIE 17-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-02 | EOG RESOURCES, INC. - EDIE 17-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-02 | SUNRISE COOPERATIVE INC. | GALION, Crawford, OH | Pass | State |
| 2023-11-02 | FUCHS PAD 952477 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-02 | FUCHS PAD 952477 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-02 | FUCHS PAD 952477 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-02 | MOSER PAD 952658 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-02 | MOSER PAD 952658 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-02 | MOSER PAD 952658 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-02 | EMERY OLEOCHEMICALS LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-11-02 | EMERY OLEOCHEMICALS LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-11-01 | MARTIN MARIETTA MAGNESIA SPECIALTIES INC. | WOODVILLE, Sandusky, OH | Pass | State |
| 2023-11-01 | MARTIN MARIETTA MAGNESIA SPECIALTIES INC. | WOODVILLE, Sandusky, OH | Pass | State |
| 2023-11-01 | MARTIN MARIETTA MAGNESIA SPECIALTIES INC. | WOODVILLE, Sandusky, OH | Pass | State |
| 2023-11-01 | GENERAL JAMES M. GAVIN POWER PLANT | CHESHIRE, Gallia, OH | Pass | State |
| 2023-11-01 | EOG RESOURCES, INC. - KIDD 21-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-11-01 | EOG RESOURCES, INC. - KIDD 21-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-11-01 | EOG RESOURCES, INC. - KIDD 21-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-11-01 | SAWYERS PAD 952878 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-01 | SAWYERS PAD 952878 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-01 | SAWYERS PAD 952878 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-01 | WILEY PAD 952982 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-01 | WILEY PAD 952982 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-01 | WILEY PAD 952982 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-10-31 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2023-10-31 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2023-10-31 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2023-10-31 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2023-10-31 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Pass | State |
| 2023-10-31 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Pass | State |
| 2023-10-31 | MARTIN MARIETTA MAGNESIA SPECIALTIES INC. | WOODVILLE, Sandusky, OH | Pass | State |
| 2023-10-31 | PYLES PAD 952757 | BEALLSVILLE, Monroe, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.