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

Ohio, other years

Air-emissions stack tests recorded in Ohio, 2023

Date	Facility	Where	Kind	Agency
2023-12-28	EOG RESOURCES, INC. - MOUNTZ CL HAN PAD	HANOVERTON, Columbiana, OH	Pass	State
2023-12-28	EOG RESOURCES, INC. - MOUNTZ CL HAN PAD	HANOVERTON, Columbiana, OH	Pass	State
2023-12-28	EOG RESOURCES, INC. - MOUNTZ CL HAN PAD	HANOVERTON, Columbiana, OH	Pass	State
2023-12-27	ASCENT RESOURCES - UTICA LLC - REITZ MED BL	JACOBSBURG, Belmont, OH	Pass	State
2023-12-27	ASCENT RESOURCES - UTICA LLC - REITZ MED BL	JACOBSBURG, Belmont, OH	Pass	State
2023-12-27	ASCENT RESOURCES - UTICA LLC - REITZ MED BL	JACOBSBURG, Belmont, OH	Pass	State
2023-12-27	ASCENT RESOURCES - UTICA LLC - OLIVER CLR BL	MARTINS FERRY, Belmont, OH	Pass	State
2023-12-27	ASCENT RESOURCES - UTICA LLC - OLIVER CLR BL	MARTINS FERRY, Belmont, OH	Pass	State
2023-12-27	ASCENT RESOURCES - UTICA LLC - OLIVER CLR BL	MARTINS FERRY, Belmont, OH	Pass	State
2023-12-21	ASCENT RESOURCES - UTICA LLC - SHIPMAN WLS GR	LORE CITY, Guernsey, OH	Pass	State
2023-12-21	ASCENT RESOURCES - UTICA LLC - SHIPMAN WLS GR	LORE CITY, Guernsey, OH	Pass	State
2023-12-21	ASCENT RESOURCES - UTICA LLC - SHIPMAN WLS GR	LORE CITY, Guernsey, OH	Pass	State
2023-12-20	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Pass	State
2023-12-20	ASCENT RESOURCES - UTICA LLC - LAKE 20-11N-7W	FREEPORT, Harrison, OH	Pass	State
2023-12-20	ASCENT RESOURCES - UTICA LLC - LAKE 20-11N-7W	FREEPORT, Harrison, OH	Pass	State
2023-12-20	ASCENT RESOURCES - UTICA LLC - LAKE 20-11N-7W	FREEPORT, Harrison, OH	Pass	State
2023-12-19	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Pass	State
2023-12-19	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Pass	State
2023-12-19	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Pass	State
2023-12-19	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Pass	State
2023-12-19	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Pass	State
2023-12-19	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Pass	State
2023-12-19	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Pass	State
2023-12-19	FORD MOTOR CO.-LIMA	LIMA, Allen, OH	Pass	State
2023-12-19	SANOH AMERICA, INC.	ARCHBOLD, Fulton, OH	Pass	State
2023-12-19	SANOH AMERICA, INC.	ARCHBOLD, Fulton, OH	Pass	State
2023-12-19	SANOH AMERICA, INC.	ARCHBOLD, Fulton, OH	Pass	State
2023-12-19	MIAMI UNIVERSITY	OXFORD, Butler, OH	Pass	State
2023-12-19	MIAMI UNIVERSITY	OXFORD, Butler, OH	Pass	State
2023-12-15	INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 1	ASHTABULA, Ashtabula, OH	Pass	State
2023-12-15	CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file	MIDDLETOWN, Butler, OH	Fail	State
2023-12-14	TRIVIUM ALUMINUM PACKAGING USA CORPORATION	YOUNGSTOWN, Mahoning, OH	Pass	State
2023-12-14	MARTIN MARIETTA MAGNESIA SPECIALTIES INC.	WOODVILLE, Sandusky, OH	Pass	State
2023-12-14	CORIX CLEVELAND THERMAL GENERATING LP	CLEVELAND, Cuyahoga, OH	Pass	State
2023-12-14	CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file	MIDDLETOWN, Butler, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-13	CORIX CLEVELAND THERMAL GENERATING LP	CLEVELAND, Cuyahoga, OH	Pass	State
2023-12-13	PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER	MASON, Warren, OH	Pass	State
2023-12-13	PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER	MASON, Warren, OH	Pass	State
2023-12-13	PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER	MASON, Warren, OH	Pass	State
2023-12-13	PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER	MASON, Warren, OH	Pass	State
2023-12-12	INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 2	ASHTABULA, Ashtabula, OH	Pass	State
2023-12-12	INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 2	ASHTABULA, Ashtabula, OH	Pass	State
2023-12-12	INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 2	ASHTABULA, Ashtabula, OH	Pass	State
2023-12-12	INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 2	ASHTABULA, Ashtabula, OH	Pass	State
2023-12-12	INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 2	ASHTABULA, Ashtabula, OH	Pass	State
2023-12-12	BLUE RACER MIDSTREAM LLC - CARROLL CO FIELD STATION #1	CARROLLTON, Carroll, OH	Pass	State
2023-12-12	BLUE RACER MIDSTREAM LLC - CARROLL CO FIELD STATION #1	CARROLLTON, Carroll, OH	Pass	State
2023-12-12	BLUE RACER MIDSTREAM LLC - CARROLL CO FIELD STATION #1	CARROLLTON, Carroll, OH	Pass	State
2023-12-12	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-12	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-12	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Fail	State
2023-12-12	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2023-12-12	PAVONIA COMPRESSOR STATION	MANSFIELD, Richland, OH	Pass	State
2023-12-12	PAVONIA COMPRESSOR STATION	MANSFIELD, Richland, OH	Pass	State
2023-12-12	CORIX CLEVELAND THERMAL GENERATING LP	CLEVELAND, Cuyahoga, OH	Pass	State
2023-12-12	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-12-08	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-12-08	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-12-08	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-12-08	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-12-08	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Fail	State
2023-12-08	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-12-08	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-12-08	CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Pass	State
2023-12-07	WIN WASTE INNOVATIONS OF SENECA COUNTY	FOSTORIA, Seneca, OH	Pass	State
2023-12-07	MARKWEST TRI-COUNTY COMPRESSOR STATION	BARNESVILLE, Belmont, OH	Pass	State
2023-12-07	MARKWEST TRI-COUNTY COMPRESSOR STATION	BARNESVILLE, Belmont, OH	Pass	State
2023-12-07	MARKWEST TRI-COUNTY COMPRESSOR STATION	BARNESVILLE, Belmont, OH	Pass	State
2023-12-07	ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD	WASHINGTON, TOWNSHIP OF, Belmont, OH	Pass	State
2023-12-07	ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD	WASHINGTON, TOWNSHIP OF, Belmont, OH	Pass	State
2023-12-07	ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD	WASHINGTON, TOWNSHIP OF, Belmont, OH	Pass	State
2023-12-07	ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-12-07	ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-12-07	ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-12-06	BLUE RACER MIDSTREAM, LLC - HAYES STATION	SALESVILLE, Guernsey, OH	Pass	State
2023-12-06	BLUE RACER MIDSTREAM, LLC - HAYES STATION	SALESVILLE, Guernsey, OH	Pass	State
2023-12-06	BLUE RACER MIDSTREAM, LLC - HAYES STATION	SALESVILLE, Guernsey, OH	Pass	State
2023-12-06	BLUE RACER MIDSTREAM, LLC - HAYES STATION	SALESVILLE, Guernsey, OH	Pass	State
2023-12-06	BLUE RACER MIDSTREAM, LLC - HAYES STATION	SALESVILLE, Guernsey, OH	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.