EPA Air · stack tests by state and year
Air-emissions stack tests in Ohio, 2025
- 2,213Stack 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 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Ohio, 2025
- Monroe County 233
- Belmont County 210
- Lucas County 209
- Harrison County 199
- Carroll County 138
- Jefferson County 121
- Guernsey County 95
- Noble County 84
- Montgomery County 68
- Defiance County 65
- Franklin County 61
- Hamilton County 58
- Medina County 43
- Undetermined County 42
- Butler County 34
- Putnam County 34
- Stark County 33
- Lorain County 31
- Columbiana County 27
- Wood County 26
- Cuyahoga County 25
- Trumbull County 24
- Mahoning County 23
- Perry County 23
- Marion County 20
- Tuscarawas County 20
- Fairfield County 18
- Licking County 17
- Crawford County 16
- Greene County 15
- Union County 15
- Ashtabula County 14
- Darke County 12
- Washington County 12
- Williams County 12
- Allen County 11
- Wayne County 10
- Brown County 9
- Miami County 9
- Summit County 9
- Warren County 8
- Richland County 7
- Clark County 6
- Huron County 6
- Athens County 5
- Muskingum County 5
- Erie County 5
- Van Wert County 4
- Hancock County 4
- Delaware County 3
- Shelby County 3
- Portage County 3
- Coshocton County 3
- Lake County 3
- Jackson County 3
Ohio, other years
Air-emissions stack tests recorded in Ohio, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-06-05 | USA WASTE GENEVA LANDFILL, INC. | GENEVA, Ashtabula, OH | Pass | State |
| 2025-06-05 | USA WASTE GENEVA LANDFILL, INC. | GENEVA, Ashtabula, OH | Pass | State |
| 2025-06-05 | DERMAMED COATINGS CO., LLC | TALLMADGE, Summit, OH | Pass | State |
| 2025-06-04 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-04 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-04 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-04 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-04 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-04 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-04 | SUBURBAN LANDFILL, INC. | GLENFORD, Perry, OH | Pass | State |
| 2025-06-03 | PPC FLEX, LLC. | COLUMBUS, Franklin, OH | Pass | State |
| 2025-06-03 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-03 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-03 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-03 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-03 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-03 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Fail | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-06-03 | ASCENT RESOURCES - UTICA LLC - CRAVAT WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2025-06-03 | ASCENT RESOURCES - UTICA LLC - CRAVAT WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2025-06-03 | ASCENT RESOURCES - UTICA LLC - CRAVAT WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2025-06-03 | ASCENT RESOURCES - UTICA LLC - OBOY CLR BL WELLPAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2025-06-03 | ASCENT RESOURCES - UTICA LLC - OBOY CLR BL WELLPAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2025-06-03 | ASCENT RESOURCES - UTICA LLC - OBOY CLR BL WELLPAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2025-06-03 | ROCKIES EXPRESS PIPELINE LLC- CHANDLERSVILLE CS | PHILO, Muskingum, OH | Pass | State |
| 2025-06-03 | ROCKIES EXPRESS PIPELINE LLC- CHANDLERSVILLE CS | PHILO, Muskingum, OH | Pass | State |
| 2025-06-03 | ROCKIES EXPRESS PIPELINE LLC- CHANDLERSVILLE CS | PHILO, Muskingum, OH | Pass | State |
| 2025-06-03 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2025-06-03 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2025-06-03 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2025-06-03 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2025-06-03 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2025-06-03 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2025-06-03 | NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2025-06-02 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-02 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-02 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-06-02 | GULFPORT APPALACHIA, LLC - GEHRIG PAD | WOODSFIELD, Monroe, OH | Pass | State |
| 2025-05-30 | JOHNS MANVILLE | DEFIANCE, Defiance, OH | Pass | State |
| 2025-05-30 | CUYAHOGA ASPHALT MATERIALS - SHALERSVILLE | MANTUA, Portage, OH | Pass | State |
| 2025-05-29 | GFL ENVIRONMENTAL SERVICES USA | COLUMBUS, Franklin, OH | Pass | State |
| 2025-05-29 | GFL ENVIRONMENTAL SERVICES USA | COLUMBUS, Franklin, OH | Pass | State |
| 2025-05-29 | GFL ENVIRONMENTAL SERVICES USA | COLUMBUS, Franklin, OH | Pass | State |
| 2025-05-29 | GFL ENVIRONMENTAL SERVICES USA | COLUMBUS, Franklin, OH | Pass | State |
| 2025-05-29 | JOHNS MANVILLE | DEFIANCE, Defiance, OH | Pass | State |
| 2025-05-29 | JOHNS MANVILLE | DEFIANCE, Defiance, OH | Pass | State |
| 2025-05-29 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-05-29 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-05-29 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2025-05-29 | OREGON CLEAN ENERGY CENTER | OREGON, Lucas, OH | Pass | State |
| 2025-05-29 | OREGON CLEAN ENERGY CENTER | OREGON, Lucas, OH | Pass | State |
| 2025-05-28 | MAR-ZANE INC - PLANT 7 | MARION, Marion, OH | Pass | State |
| 2025-05-28 | OSCO INC.-JACKSON DIVISION | JACKSON, Jackson, OH | Pass | State |
| 2025-05-28 | OSCO INC.-JACKSON DIVISION | JACKSON, Jackson, OH | Pass | State |
| 2025-05-28 | MIAMI FORT POWER COMPANY LLC | NORTH BEND, Hamilton, OH | Pass | State |
| 2025-05-28 | MIAMI FORT POWER COMPANY LLC | NORTH BEND, Hamilton, OH | Pass | State |
| 2025-05-27 | GULFPORT APPALACHIA, LLC - TRUAX | BEALLSVILLE, Monroe, OH | Pass | State |
| 2025-05-27 | GULFPORT APPALACHIA, LLC - TRUAX | BEALLSVILLE, Monroe, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.