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 |
|---|---|---|---|---|
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | ROVER PIPELINE - MAINLINE CS1 | SHERRODSVILLE, Carroll, OH | Pass | State |
| 2023-03-16 | TRIVIUM ALUMINUM PACKAGING USA CORPORATION | YOUNGSTOWN, Mahoning, OH | Pass | State |
| 2023-03-16 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2023-03-16 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2023-03-16 | OMNISOURCE MILLARD AVENUE | TOLEDO, Lucas, OH | Pass | State |
| 2023-03-16 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2023-03-16 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2023-03-16 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2023-03-15 | OWENS CORNING INSULATING SYSTEMS, LLC | NEWARK, Licking, OH | Pass | State |
| 2023-03-15 | ASCENT RESOURCES - UTICA LLC - OBOY CLR BL WELLPAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-15 | ASCENT RESOURCES - UTICA LLC - OBOY CLR BL WELLPAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-15 | ASCENT RESOURCES - UTICA LLC - OBOY CLR BL WELLPAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-15 | ASCENT RESOURCES - UTICA LLC - R HOOVER WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-15 | ASCENT RESOURCES - UTICA LLC - R HOOVER WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-15 | ASCENT RESOURCES - UTICA LLC - R HOOVER WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-15 | BROWN COUNTY LANDFILL GAS POWER STATION | GEORGETOWN, Brown, OH | Pass | State |
| 2023-03-14 | EOG RESOURCES, INC. - RUTLEDGE 10-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-03-14 | EOG RESOURCES, INC. - RUTLEDGE 10-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-03-14 | EOG RESOURCES, INC. - SAUERS 8-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-03-14 | EOG RESOURCES, INC. - SAUERS 8-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-03-14 | EOG RESOURCES, INC. - SAUERS 8-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | PROSPIRA AMERICA CORPORATION | UPPER SANDUSKY, Wyandot, OH | Pass | State |
| 2023-03-14 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-03-14 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-03-14 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-03-14 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-14 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-14 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-03-14 | EQM OLYMPUS MIDSTREAM, LLC - RIFLE COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-14 | EQM OLYMPUS MIDSTREAM, LLC - RIFLE COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-14 | EQM OLYMPUS MIDSTREAM, LLC - RIFLE COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-14 | EQM OLYMPUS MIDSTREAM, LLC - RIFLE COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-14 | EQM OLYMPUS MIDSTREAM, LLC - RIFLE COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-14 | EQM OLYMPUS MIDSTREAM, LLC - RIFLE COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | EOG RESOURCES, INC. - CROMIKA 34-10-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-03-10 | EOG RESOURCES, INC. - CROMIKA 34-10-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-03-10 | EOG RESOURCES, INC. - CROMIKA 34-10-5 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | INR MIDSTREAM, LLC - MADISON COMPRESSOR STATION | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-03-10 | MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file | CANTON, Stark, OH | Pass | State |
| 2023-03-09 | CLEVELAND CLINIC FOUNDATION | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-03-09 | TRAMMO NITROGEN PRODUCTS, INC. | NORTH BEND, Hamilton, OH | Pass | State |
| 2023-03-09 | MIAMI FORT POWER COMPANY LLC | NORTH BEND, Hamilton, OH | Pass | State |
| 2023-03-09 | MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file | CANTON, Stark, OH | Pass | State |
| 2023-03-08 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-03-08 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-03-08 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-03-08 | EQM OLYMPUS MIDSTREAM, LLC - SWITZ 27 CS | CLARINGTON, Monroe, OH | Pass | State |
| 2023-03-08 | EQM OLYMPUS MIDSTREAM, LLC - SWITZ 27 CS | CLARINGTON, Monroe, OH | Pass | State |
| 2023-03-08 | EQM OLYMPUS MIDSTREAM, LLC - SWITZ 27 CS | CLARINGTON, Monroe, OH | Pass | State |
| 2023-03-08 | EQM OLYMPUS MIDSTREAM, LLC - SWITZ 27 CS | CLARINGTON, Monroe, OH | Pass | State |
| 2023-03-08 | EQM OLYMPUS MIDSTREAM, LLC - SWITZ 27 CS | CLARINGTON, Monroe, OH | Pass | State |
| 2023-03-08 | EQM OLYMPUS MIDSTREAM, LLC - SWITZ 27 CS | CLARINGTON, Monroe, OH | Pass | State |
| 2023-03-08 | THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file | GREENVILLE, Darke, OH | Pass | State |
| 2023-03-08 | THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file | GREENVILLE, Darke, OH | Pass | State |
| 2023-03-08 | THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file | GREENVILLE, Darke, OH | Pass | State |
| 2023-03-08 | THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file | GREENVILLE, Darke, OH | Pass | State |
| 2023-03-08 | CLEVELAND CLINIC FOUNDATION | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-03-08 | OHIO POWER PARTNERS, LLC | MIDDLETOWN, Butler, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.