EPA Air · stack tests by state and year
Air-emissions stack tests in Ohio, 2024
- 2,721Stack 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 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Ohio, 2024
- Lucas County 340
- Monroe County 282
- Belmont County 257
- Harrison County 168
- Jefferson County 142
- Carroll County 141
- Montgomery County 127
- Guernsey County 97
- Cuyahoga County 85
- Noble County 83
- Butler County 82
- Columbiana County 72
- Tuscarawas County 71
- Hamilton County 67
- Undetermined County 51
- Wayne County 47
- Defiance County 40
- Stark County 39
- Franklin County 31
- Fayette County 31
- Ashtabula County 29
- Lorain County 29
- Erie County 27
- Mahoning County 27
- Licking County 26
- Perry County 24
- Fulton County 22
- Geauga County 18
- Summit County 17
- Paulding County 16
- Crawford County 15
- Greene County 14
- Scioto County 14
- Delaware County 13
- Brown County 12
- Wood County 11
- Allen County 10
- Darke County 9
- Trumbull County 9
- Lake County 8
- Coshocton County 8
- Washington County 8
- Shelby County 8
- Clark County 8
- Pickaway County 6
- Fairfield County 6
- Warren County 6
- Ashland County 6
- Jackson County 6
- Medina County 5
- Athens County 5
- Portage County 5
- Hancock County 5
- Richland County 5
- Lawrence County 4
- Ross County 4
- Union County 3
- Logan County 3
- Muskingum County 3
Ohio, other years
Air-emissions stack tests recorded in Ohio, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-04-09 | ASCENT RESOURCES - UTICA LLC - ARCHIE WYN JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2024-04-09 | ASCENT RESOURCES - UTICA LLC - ARCHIE WYN JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2024-04-09 | ASCENT RESOURCES - UTICA LLC - LORI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-04-09 | ASCENT RESOURCES - UTICA LLC - LORI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-04-09 | ASCENT RESOURCES - UTICA LLC - LORI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-04-09 | ORMET 9 PAD 952729 | HANNIBAL, Monroe, OH | Pass | State |
| 2024-04-09 | ORMET 9 PAD 952729 | HANNIBAL, Monroe, OH | Pass | State |
| 2024-04-09 | ORMET 9 PAD 952729 | HANNIBAL, Monroe, OH | Pass | State |
| 2024-04-09 | RUFENER PAD 952860 | SARDIS, Monroe, OH | Pass | State |
| 2024-04-09 | RUFENER PAD 952860 | SARDIS, Monroe, OH | Pass | State |
| 2024-04-09 | RUFENER PAD 952860 | SARDIS, Monroe, OH | Pass | State |
| 2024-04-05 | EOG RESOURCES, INC - TIMBERWOLF CTB | MALVERN, Carroll, OH | Pass | State |
| 2024-04-05 | EOG RESOURCES, INC - TIMBERWOLF CTB | MALVERN, Carroll, OH | Pass | State |
| 2024-04-05 | EOG RESOURCES, INC - TIMBERWOLF CTB | MALVERN, Carroll, OH | Pass | State |
| 2024-04-04 | WORTHINGTON CYLINDER CORPORATION | WESTERVILLE, Delaware, OH | Pass | State |
| 2024-04-04 | DECKER CONSTRUCTION COMPANY | COLUMBUS, Franklin, OH | Pass | State |
| 2024-04-04 | XTO ENERGY INC - MILLER UNIT PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2024-04-04 | XTO ENERGY INC - MILLER UNIT PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2024-04-04 | XTO ENERGY INC - MILLER UNIT PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2024-04-04 | EOG RESOURCES - XAVIER CTB | FREEPORT, Harrison, OH | Pass | State |
| 2024-04-04 | EOG RESOURCES - XAVIER CTB | FREEPORT, Harrison, OH | Pass | State |
| 2024-04-04 | EOG RESOURCES - XAVIER CTB | FREEPORT, Harrison, OH | Pass | State |
| 2024-04-04 | ASCENT RESOURCES - UTICA LLC - FALDOWSKI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-04-04 | ASCENT RESOURCES - UTICA LLC - FALDOWSKI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-04-04 | ASCENT RESOURCES - UTICA LLC - FALDOWSKI SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-04-04 | MAHLE THERMAL AND FLUID SYSTEMS DAYTON LLC | DAYTON, Montgomery, OH | Pass | State |
| 2024-04-04 | MAHLE THERMAL AND FLUID SYSTEMS DAYTON LLC | DAYTON, Montgomery, OH | Pass | State |
| 2024-04-03 | SOFIDEL AMERICA — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2024-04-03 | SOFIDEL AMERICA — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2024-04-03 | ASCENT RESOURCES - UTICA LLC - PHILLIPS MTP JF | ADENA, Jefferson, OH | Pass | State |
| 2024-04-03 | ASCENT RESOURCES - UTICA LLC - PHILLIPS MTP JF | ADENA, Jefferson, OH | Pass | State |
| 2024-04-03 | ASCENT RESOURCES - UTICA LLC - PHILLIPS MTP JF | ADENA, Jefferson, OH | Pass | State |
| 2024-04-02 | SOFIDEL AMERICA — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2024-04-02 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2024-04-02 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2024-04-02 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2024-04-02 | MIAMI UNIVERSITY | OXFORD, Butler, OH | Pass | State |
| 2024-03-28 | HILCORP ENERGY - ELK RUN-SCHEEL PRODUCTION FACILITY | COLUMBIANA, Columbiana, OH | Pass | State |
| 2024-03-28 | HILCORP ENERGY - ELK RUN-SCHEEL PRODUCTION FACILITY | COLUMBIANA, Columbiana, OH | Pass | State |
| 2024-03-28 | HILCORP ENERGY - ELK RUN-SCHEEL PRODUCTION FACILITY | COLUMBIANA, Columbiana, OH | Pass | State |
| 2024-03-28 | DEPARTMENT OF PUBLIC UTILITIES, CITY OF ORRVILLE, OHIO | ORRVILLE, Wayne, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Fail | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | CLARIOS, LLC. | HOLLAND, Lucas, OH | Pass | State |
| 2024-03-28 | FAIRBORN CEMENT COMPANY LLC | XENIA, Greene, OH | Pass | State |
| 2024-03-27 | HILCORP ENERGY-FAIRFIELD-TARKA PRODUCTION FACILITY | COLUMBIANA, Columbiana, OH | Pass | State |
| 2024-03-27 | HILCORP ENERGY-FAIRFIELD-TARKA PRODUCTION FACILITY | COLUMBIANA, Columbiana, OH | Pass | State |
| 2024-03-27 | HILCORP ENERGY-FAIRFIELD-TARKA PRODUCTION FACILITY | COLUMBIANA, Columbiana, OH | Pass | State |
| 2024-03-27 | HILCORP ENERGY - ELK RUN WERTZ PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2024-03-27 | HILCORP ENERGY - ELK RUN WERTZ PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2024-03-27 | HILCORP ENERGY - ELK RUN WERTZ PRODUCTION FACILITY | LISBON, Columbiana, OH | Pass | State |
| 2024-03-27 | ULTIUM CELLS LLC | WARREN, Trumbull, OH | Pass | State |
| 2024-03-27 | EOG RESOURCES, INC. - MCBRIDE 20-11-4 PAD | GERMAN, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2024-03-27 | EOG RESOURCES, INC. - MCBRIDE 20-11-4 PAD | GERMAN, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2024-03-27 | EOG RESOURCES, INC. - MCBRIDE 20-11-4 PAD | GERMAN, TOWNSHIP OF, Harrison, OH | Pass | State |
| 2024-03-27 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2024-03-27 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2024-03-27 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2024-03-27 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2024-03-27 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
| 2024-03-27 | ROVER PIPELINE - CLARINGTON COMPRESSOR STATION | BEALLSVILLE, Monroe, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.