EPA Air · stack tests by state and year
Air-emissions stack tests in Ohio, 2021
- 2,582Stack 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 2021; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Ohio, 2021
- Monroe County 258
- Belmont County 208
- Franklin County 204
- Harrison County 157
- Lucas County 147
- Montgomery County 112
- Licking County 110
- Cuyahoga County 93
- Jefferson County 92
- Carroll County 78
- Richland County 78
- Columbiana County 71
- Hamilton County 70
- Noble County 51
- Guernsey County 50
- Stark County 49
- Mahoning County 48
- Wayne County 45
- Undetermined County 43
- Huron County 35
- Butler County 32
- Defiance County 32
- Pickaway County 26
- Union County 25
- Darke County 25
- Warren County 25
- Wood County 24
- Madison County 23
- Perry County 23
- Allen County 21
- Ashtabula County 21
- Fayette County 20
- Lorain County 19
- Summit County 18
- Scioto County 17
- Crawford County 15
- Delaware County 14
- Trumbull County 13
- Medina County 12
- Knox County 12
- Greene County 11
- Seneca County 10
- Brown County 10
- Putnam County 9
- Lake County 9
- Williams County 9
- Tuscarawas County 9
- Muskingum County 8
- Clermont County 8
- Fairfield County 7
- Washington County 7
- Jackson County 5
- Erie County 5
- Lawrence County 5
- Athens County 5
- Vinton County 5
- Gallia County 5
- Shelby County 5
- Marion County 5
- Ross County 4
- Preble County 4
- Logan County 3
- Portage County 3
- Holmes County 3
Ohio, other years
Air-emissions stack tests recorded in Ohio, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-12-14 | MOSER PAD 952658 | CLARINGTON, Monroe, OH | Pass | State |
| 2021-12-14 | MOSER PAD 952658 | CLARINGTON, Monroe, OH | Pass | State |
| 2021-12-14 | MOSER PAD 952658 | CLARINGTON, Monroe, OH | Pass | State |
| 2021-12-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-14 | INR MIDSTREAM, LLC - REUSSER | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-14 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2021-12-14 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2021-12-14 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2021-12-13 | KILGORE COMPRESSOR STATION-UTICA GAS SERVICES, LLC | KILGORE, Carroll, OH | Pass | State |
| 2021-12-13 | KILGORE COMPRESSOR STATION-UTICA GAS SERVICES, LLC | KILGORE, Carroll, OH | Pass | State |
| 2021-12-13 | KILGORE COMPRESSOR STATION-UTICA GAS SERVICES, LLC | KILGORE, Carroll, OH | Pass | State |
| 2021-12-13 | GULFPORT APPALACHIA, LLC - LANCE WELL PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2021-12-13 | GULFPORT APPALACHIA, LLC - LANCE WELL PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2021-12-13 | GULFPORT APPALACHIA, LLC - LANCE WELL PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2021-12-13 | GULFPORT APPALACHIA LLC - MCKEEGAN PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2021-12-13 | GULFPORT APPALACHIA LLC - MCKEEGAN PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2021-12-13 | GULFPORT APPALACHIA LLC - MCKEEGAN PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2021-12-10 | MARKWEST HARRISON WEST COMPRESSOR STATION | FREEPORT, Harrison, OH | Pass | State |
| 2021-12-10 | MARKWEST HARRISON WEST COMPRESSOR STATION | FREEPORT, Harrison, OH | Pass | State |
| 2021-12-10 | MARKWEST HARRISON WEST COMPRESSOR STATION | FREEPORT, Harrison, OH | Pass | State |
| 2021-12-10 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2021-12-10 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2021-12-10 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-12-10 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-12-10 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-12-10 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-12-09 | ROCKIES EXPRESS PIPELINE - COLUMBUS COMPRESSOR STATION — high-priority violation on file | ASHVILLE, Pickaway, OH | Pass | State |
| 2021-12-09 | ROCKIES EXPRESS PIPELINE - COLUMBUS COMPRESSOR STATION — high-priority violation on file | ASHVILLE, Pickaway, OH | Pass | State |
| 2021-12-09 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2021-12-09 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2021-12-09 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2021-12-09 | ASCENT RESOURCES - UTICA LLC - TRUCHAN NW WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2021-12-09 | ASCENT RESOURCES - UTICA LLC - TRUCHAN NW WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2021-12-09 | ASCENT RESOURCES - UTICA LLC - TRUCHAN NW WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2021-12-09 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2021-12-09 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2021-12-09 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2021-12-09 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2021-12-08 | ASCENT RESOURCES - UTICA LLC - BAKOS CLR BI | COLERAIN, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2021-12-08 | ASCENT RESOURCES - UTICA LLC - BAKOS CLR BI | COLERAIN, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2021-12-08 | ASCENT RESOURCES - UTICA LLC - BAKOS CLR BI | COLERAIN, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2021-12-08 | ASCENT RESOURCES - UTICA LLC - HARR MTP JF | RAYLAND, Jefferson, OH | Pass | State |
| 2021-12-08 | ASCENT RESOURCES - UTICA LLC - HARR MTP JF | RAYLAND, Jefferson, OH | Pass | State |
| 2021-12-08 | ASCENT RESOURCES - UTICA LLC - HARR MTP JF | RAYLAND, Jefferson, OH | Pass | State |
| 2021-12-08 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2021-12-08 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-12-07 | ASCENT RESOURCES - UTICA LLC - MINGO CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2021-12-07 | ASCENT RESOURCES - UTICA LLC - MINGO CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2021-12-07 | ASCENT RESOURCES - UTICA LLC - MINGO CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2021-12-07 | ASCENT RESOURCES - UTICA LLC - PIERGALLINI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2021-12-07 | ASCENT RESOURCES - UTICA LLC - PIERGALLINI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2021-12-07 | ASCENT RESOURCES - UTICA LLC - PIERGALLINI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2021-12-07 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2021-12-06 | INR OHIO, LLC - HERCHER WELL PAD | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-06 | INR OHIO, LLC - HERCHER WELL PAD | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-06 | INR OHIO, LLC - HERCHER WELL PAD | LEWISVILLE, Monroe, OH | Pass | State |
| 2021-12-03 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-12-03 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-12-03 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-12-03 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-12-03 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-12-03 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-12-02 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-12-02 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-12-02 | APEX LFG ENERGY, LLC | AMSTERDAM, Jefferson, OH | Pass | State |
| 2021-12-02 | APEX LFG ENERGY, LLC | AMSTERDAM, Jefferson, OH | Pass | State |
| 2021-12-02 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2021-12-02 | ROHRER CORPORATION | WADSWORTH, Medina, OH | Pass | State |
| 2021-12-02 | ROHRER CORPORATION | WADSWORTH, Medina, OH | Pass | State |
| 2021-12-02 | ROHRER CORPORATION | WADSWORTH, Medina, OH | Pass | State |
| 2021-12-01 | W. H. SAMMIS PLANT | STRATTON, Jefferson, OH | Pass | State |
| 2021-12-01 | W. H. SAMMIS PLANT | STRATTON, Jefferson, OH | Pass | State |
| 2021-12-01 | W. H. SAMMIS PLANT | STRATTON, Jefferson, OH | Pass | State |
| 2021-12-01 | B-WAY CORPORATION | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-12-01 | B-WAY CORPORATION | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-11-30 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-11-30 | GM DEFIANCE CASTING OPERATIONS | DEFIANCE, Defiance, OH | Pass | State |
| 2021-11-30 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2021-11-29 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-11-29 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2021-11-23 | PRECISION PRODUCTS GROUP, INC. | APPLE CREEK, Wayne, OH | Pass | State |
| 2021-11-23 | PERSTORP POLYOLS, INC. | TOLEDO, Lucas, OH | Pass | State |
| 2021-11-23 | PERSTORP POLYOLS, INC. | TOLEDO, Lucas, OH | Pass | State |
| 2021-11-23 | PERSTORP POLYOLS, INC. | TOLEDO, Lucas, OH | Pass | State |
| 2021-11-23 | CROWN CORK & SEAL — high-priority violation on file | TOLEDO, Lucas, OH | Fail | State |
| 2021-11-19 | ASCENT RESOURCES-UTICA, LLC - BROWN WSG GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2021-11-19 | ASCENT RESOURCES-UTICA, LLC - BROWN WSG GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2021-11-19 | ASCENT RESOURCES-UTICA, LLC - BROWN WSG GR | KIMBOLTON, Guernsey, OH | Pass | State |
| 2021-11-19 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2 | SUMMERFIELD, Noble, OH | Pass | State |
| 2021-11-19 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2 | SUMMERFIELD, Noble, OH | Pass | State |
| 2021-11-19 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2 | SUMMERFIELD, Noble, OH | Pass | State |
| 2021-11-19 | H.B. FULLER CO. | BLUE ASH, Hamilton, OH | Pass | State |
| 2021-11-19 | H.B. FULLER CO. | BLUE ASH, Hamilton, OH | Pass | State |
| 2021-11-18 | AKZO NOBEL COATINGS, INC. | COLUMBUS, Franklin, OH | Pass | State |
| 2021-11-18 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2021-11-18 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.