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 |
|---|---|---|---|---|
| 2023-09-14 | KENT STATE UNIVERSITY HEATING PLANT | KENT, Portage, OH | Pass | State |
| 2023-09-13 | ULTIUM CELLS LLC | WARREN, Trumbull, OH | Pass | State |
| 2023-09-13 | ASCENT RESOURCES - UTICA LLC - HASTINGS WHL BL | FLUSHING, Belmont, OH | Pass | State |
| 2023-09-13 | ASCENT RESOURCES - UTICA LLC - HASTINGS WHL BL | FLUSHING, Belmont, OH | Pass | State |
| 2023-09-13 | ASCENT RESOURCES - UTICA LLC - HASTINGS WHL BL | FLUSHING, Belmont, OH | Pass | State |
| 2023-09-13 | ASCENT RESOURCES - UTICA LLC - CRAVAT WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-09-13 | ASCENT RESOURCES - UTICA LLC - CRAVAT WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-09-13 | ASCENT RESOURCES - UTICA LLC - CRAVAT WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-09-13 | CORRCHOICE, LLC - MASSILLON MILL — high-priority violation on file | MASSILLON, Stark, OH | Pass | State |
| 2023-09-12 | CRAWFORD COMPRESSOR STATION | LANCASTER, Fairfield, OH | Pass | State |
| 2023-09-12 | CRAWFORD COMPRESSOR STATION | LANCASTER, Fairfield, OH | Pass | State |
| 2023-09-12 | CRAWFORD COMPRESSOR STATION | LANCASTER, Fairfield, OH | Pass | State |
| 2023-09-12 | CRAWFORD COMPRESSOR STATION | LANCASTER, Fairfield, OH | Pass | State |
| 2023-09-12 | MAR-ZANE PLANT #26 | COLUMBUS, Franklin, OH | Pass | State |
| 2023-09-12 | EOG RESOURCES, INC. - KENNETH LLOYD 5-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-09-12 | EOG RESOURCES, INC. - KENNETH LLOYD 5-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-09-12 | EOG RESOURCES, INC. - KENNETH LLOYD 5-14-7 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-09-12 | ASCENT RESOURCES - UTICA LLC - BORUM SMF JF | SMITHFIELD, TOWNSHIP OF, Jefferson, OH | Pass | State |
| 2023-09-12 | ASCENT RESOURCES - UTICA LLC - BORUM SMF JF | SMITHFIELD, TOWNSHIP OF, Jefferson, OH | Pass | State |
| 2023-09-12 | ASCENT RESOURCES - UTICA LLC - BORUM SMF JF | SMITHFIELD, TOWNSHIP OF, Jefferson, OH | Pass | State |
| 2023-09-12 | ASCENT RESOURCES - UTICA LLC - MINGO CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-12 | ASCENT RESOURCES - UTICA LLC - MINGO CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-12 | ASCENT RESOURCES - UTICA LLC - MINGO CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-12 | INEOS ABS (USA) CORPORATION — high-priority violation on file | ADDYSTON, Hamilton, OH | Pass | State |
| 2023-09-12 | CORRCHOICE, LLC - MASSILLON MILL — high-priority violation on file | MASSILLON, Stark, OH | Pass | State |
| 2023-09-11 | MAR-ZANE PLANT #26 | COLUMBUS, Franklin, OH | Pass | State |
| 2023-09-11 | EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-09-11 | EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-09-11 | EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-09-11 | EOG RESOURCES, INC. - DENOON 5-10-3 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2023-09-11 | EOG RESOURCES, INC. - DENOON 5-10-3 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2023-09-11 | EOG RESOURCES, INC. - DENOON 5-10-3 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2023-09-08 | GERKEN MATERIALS, INC. PLANT 8 | PAULDING, Paulding, OH | Pass | State |
| 2023-09-08 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2023-09-08 | NLS ASPHALT, INC. - PLANT #3 | CADIZ, Harrison, OH | Pass | State |
| 2023-09-08 | EOG RESOURCES, INC. - STOCKER HN MON PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-09-08 | TRIAD HUNTER LLC - FORNI PAD | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-09-08 | TRIAD HUNTER LLC - FORNI PAD | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-09-08 | TRIAD HUNTER LLC - FORNI PAD | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-09-08 | DIVERSIFIED PRODUCTION LLC - POOL UNIT | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-09-08 | DIVERSIFIED PRODUCTION LLC - POOL UNIT | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-09-08 | DIVERSIFIED PRODUCTION LLC - POOL UNIT | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2023-09-07 | FIBER-TECH INDUSTRIES INC — high-priority violation on file | WASHINGTON COURT HOUSE, Fayette, OH | Fail | State |
| 2023-09-07 | TENNESSEE GAS PIPELINE - STATION 214 | CARROLLTON, Carroll, OH | Pass | State |
| 2023-09-07 | TENNESSEE GAS PIPELINE - STATION 214 | CARROLLTON, Carroll, OH | Pass | State |
| 2023-09-07 | TENNESSEE GAS PIPELINE - STATION 214 | CARROLLTON, Carroll, OH | Pass | State |
| 2023-09-07 | TENNESSEE GAS PIPELINE - STATION 214 | CARROLLTON, Carroll, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | ROVER PIPELINE - MAINLINE CS2 | WOOSTER, Wayne, OH | Pass | State |
| 2023-09-07 | GERKEN MATERIALS, INC. PLANT 8 | PAULDING, Paulding, OH | Pass | State |
| 2023-09-07 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-09-07 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-09-07 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-09-07 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-09-07 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | WILLIAMS ARCHER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2023-09-07 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-09-07 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-09-07 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-09-07 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-09-07 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.