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 |
|---|---|---|---|---|
| 2023-08-24 | XTO ENERGY - KRANYAICH WELL PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2023-08-24 | XTO ENERGY - KRANYAICH WELL PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2023-08-24 | EQM OLYMPUS MIDSTREAM LLC - LONESTAR COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-24 | EQM OLYMPUS MIDSTREAM LLC - LONESTAR COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-24 | EQM OLYMPUS MIDSTREAM LLC - LONESTAR COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-24 | MIAMI FORT POWER COMPANY LLC | NORTH BEND, Hamilton, OH | Pass | State |
| 2023-08-23 | EOG RESOURCES, INC. - MITCHELL 34-13-5 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-08-23 | EOG RESOURCES, INC. - MITCHELL 34-13-5 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-08-23 | EOG RESOURCES, INC. - MITCHELL 34-13-5 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-08-23 | WIN WASTE INNOVATIONS OF SENECA COUNTY | FOSTORIA, Seneca, OH | Pass | State |
| 2023-08-23 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-23 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-23 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Fail | State |
| 2023-08-23 | HAVERHILL COKE COMPANY LLC — high-priority violation on file | FRANKLIN FURNACE, Scioto, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-22 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-08-21 | KOKOSING MATERIALS INC - PLANT 514 — high-priority violation on file | GRAND RIVER, Lake, OH | Pass | State |
| 2023-08-21 | ALLIED CORPORATION PLANT #77 | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-08-21 | ALLIED CORPORATION PLANT #77 | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-08-21 | ALLIED CORPORATION PLANT #77 | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-08-19 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-19 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-19 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-19 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-19 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-18 | PAINESVILLE MUNICIPAL ELECTRIC PLANT | PAINESVILLE, Lake, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-18 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2023-08-18 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-18 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-17 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-17 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-17 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-17 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2023-08-17 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2023-08-17 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2023-08-16 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-16 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-16 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-16 | OWENS CORNING ROOFING AND ASPHALT, LLC | MEDINA, Medina, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2023-08-11 | DECKER MATERIALS COMPANY | COLUMBUS, Franklin, OH | Pass | State |
| 2023-08-11 | MSC WALBRIDGE COATINGS INC — high-priority violation on file | WALBRIDGE, Wood, OH | Pass | State |
| 2023-08-10 | MSC WALBRIDGE COATINGS INC — high-priority violation on file | WALBRIDGE, Wood, OH | Pass | State |
| 2023-08-10 | MSC WALBRIDGE COATINGS INC — high-priority violation on file | WALBRIDGE, Wood, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - DALRYMPLE SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - DALRYMPLE SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - DALRYMPLE SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - RONALD SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - RONALD SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - RONALD SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-08-10 | FAIRBORN CEMENT COMPANY LLC | XENIA, Greene, OH | Pass | State |
| 2023-08-10 | FAIRBORN CEMENT COMPANY LLC | XENIA, Greene, OH | Pass | State |
| 2023-08-09 | ASCENT RESOURCES - UTICA LLC - BLESSED RCH BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-09 | ASCENT RESOURCES - UTICA LLC - BLESSED RCH BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-09 | ASCENT RESOURCES - UTICA LLC - BLESSED RCH BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.