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
2023-07-26	SOUTHERLY WASTEWATER TREATMENT CENTER	CUYAHOGA HEIGHTS, Cuyahoga, OH	Fail	State
2023-07-26	SOUTHERLY WASTEWATER TREATMENT CENTER	CUYAHOGA HEIGHTS, Cuyahoga, OH	Pass	State
2023-07-26	SOUTHERLY WASTEWATER TREATMENT CENTER	CUYAHOGA HEIGHTS, Cuyahoga, OH	Pass	State
2023-07-26	SOUTHERLY WASTEWATER TREATMENT CENTER	CUYAHOGA HEIGHTS, Cuyahoga, OH	Pass	State
2023-07-25	ASCENT RESOURCES - UTICA LLC - HASTINGS WHL BL	FLUSHING, Belmont, OH	Pass	State
2023-07-25	ASCENT RESOURCES - UTICA LLC - HASTINGS WHL BL	FLUSHING, Belmont, OH	Pass	State
2023-07-25	ASCENT RESOURCES - UTICA LLC - HASTINGS WHL BL	FLUSHING, Belmont, OH	Pass	State
2023-07-24	HONDA DEV & MFG OF AMERICA, LLC, MARYSVILLE AUTO PLANT — high-priority violation on file	MARYSVILLE, Union, OH	Pass	State
2023-07-21	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-20	HONDA DEV & MFG OF AMERICA, LLC, MARYSVILLE AUTO PLANT — high-priority violation on file	MARYSVILLE, Union, OH	Pass	State
2023-07-20	HONDA DEV & MFG OF AMERICA, LLC, MARYSVILLE AUTO PLANT — high-priority violation on file	MARYSVILLE, Union, OH	Pass	State
2023-07-20	HONDA DEV & MFG OF AMERICA, LLC, MARYSVILLE AUTO PLANT — high-priority violation on file	MARYSVILLE, Union, OH	Pass	State
2023-07-20	HONDA DEV & MFG OF AMERICA, LLC, MARYSVILLE AUTO PLANT — high-priority violation on file	MARYSVILLE, Union, OH	Pass	State
2023-07-20	ASCENT RESOURCES - UTICA LLC - HASTINGS WHL BL	FLUSHING, Belmont, OH	Pass	State
2023-07-20	ASCENT RESOURCES - UTICA LLC - HASTINGS WHL BL	FLUSHING, Belmont, OH	Pass	State
2023-07-20	ASCENT RESOURCES - UTICA LLC - EDINGTON ATH HR	ATHENS, TOWNSHIP OF, Harrison, OH	Pass	State
2023-07-20	ASCENT RESOURCES - UTICA LLC - EDINGTON ATH HR	ATHENS, TOWNSHIP OF, Harrison, OH	Pass	State
2023-07-20	DANSONS PEEBLES, LLC	PEEBLES, Adams, OH	Fail	State
2023-07-19	CARROLLTON COMPRESSOR FACILITY	CARROLLTON, Carroll, OH	Pass	State
2023-07-19	CARROLLTON COMPRESSOR FACILITY	CARROLLTON, Carroll, OH	Pass	State
2023-07-19	CARROLLTON COMPRESSOR FACILITY	CARROLLTON, Carroll, OH	Pass	State
2023-07-19	CARROLLTON COMPRESSOR FACILITY	CARROLLTON, Carroll, OH	Pass	State
2023-07-19	CARROLLTON COMPRESSOR FACILITY	CARROLLTON, Carroll, OH	Pass	State
2023-07-19	CARROLLTON COMPRESSOR FACILITY	CARROLLTON, Carroll, OH	Pass	State
2023-07-19	ASCENT RESOURCES - UTICA LLC - EDINGTON ATH HR	ATHENS, TOWNSHIP OF, Harrison, OH	Pass	State
2023-07-19	ASCENT RESOURCES - UTICA LLC - EDINGTON ATH HR	ATHENS, TOWNSHIP OF, Harrison, OH	Pass	State
2023-07-19	ASCENT RESOURCES - UTICA LLC - EDINGTON ATH HR	ATHENS, TOWNSHIP OF, Harrison, OH	Pass	State
2023-07-19	MIAMI FORT POWER COMPANY LLC	NORTH BEND, Hamilton, OH	Pass	State
2023-07-19	MIAMI FORT POWER COMPANY LLC	NORTH BEND, Hamilton, OH	Pass	State
2023-07-19	MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file	CANTON, Stark, OH	Pass	State
2023-07-17	BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2	SUMMERFIELD, Noble, OH	Pass	State
2023-07-17	BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2	SUMMERFIELD, Noble, OH	Pass	State
2023-07-17	BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2	SUMMERFIELD, Noble, OH	Pass	State
2023-07-17	MARTIN MARIETTA AGGREGATES - FAIRFIELD	FAIRFIELD, Butler, OH	Pass	State
2023-07-14	EOG RESOURCES, INC. - WIANDT 12-13-6 PAD	LEESVILLE, Carroll, OH	Pass	State
2023-07-14	EOG RESOURCES, INC. - WIANDT 12-13-6 PAD	LEESVILLE, Carroll, OH	Pass	State
2023-07-14	TAIT ELECTRIC GENERATING STATION	MORAINE, Montgomery, OH	Pass	State
2023-07-14	TAIT ELECTRIC GENERATING STATION	MORAINE, Montgomery, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-14	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-13	EOG RESOURCES, INC. - KRANTZ CR MON PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-07-13	EOG RESOURCES, INC. - KRANTZ CR MON PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-07-13	EOG RESOURCES, INC. - KRANTZ CR MON PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-07-13	ULTIUM CELLS LLC	WARREN, Trumbull, OH	Pass	State
2023-07-13	ASCENT RESOURCES - UTICA LLC - PIERGALLINI SMF JF	DILLONVALE, Jefferson, OH	Pass	State
2023-07-13	ASCENT RESOURCES - UTICA LLC - PIERGALLINI SMF JF	DILLONVALE, Jefferson, OH	Pass	State
2023-07-13	ASCENT RESOURCES - UTICA LLC - PIERGALLINI SMF JF	DILLONVALE, Jefferson, OH	Pass	State
2023-07-13	ASCENT RESOURCES - UTICA LLC - CECELIA WLS JF	RAYLAND, Jefferson, OH	Pass	State
2023-07-13	ASCENT RESOURCES - UTICA LLC - CECELIA WLS JF	RAYLAND, Jefferson, OH	Pass	State
2023-07-13	ASCENT RESOURCES - UTICA LLC - CECELIA WLS JF	RAYLAND, Jefferson, OH	Pass	State
2023-07-13	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-07-13	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-07-13	CARGILL, INC. - DAYTON	DAYTON, Montgomery, OH	Pass	State
2023-07-13	TAIT ELECTRIC GENERATING STATION	MORAINE, Montgomery, OH	Pass	State
2023-07-13	TAIT ELECTRIC GENERATING STATION	MORAINE, Montgomery, OH	Pass	State
2023-07-12	ENBRIDGE GAS OHIO - PAINT	WOOSTER, Wayne, OH	Pass	State
2023-07-12	ENBRIDGE GAS OHIO - PAINT	WOOSTER, Wayne, OH	Pass	State
2023-07-12	ENBRIDGE GAS OHIO - PAINT	WOOSTER, Wayne, OH	Pass	State
2023-07-12	ASCENT RESOURCES - UTICA LLC - WHEELING VALLEY WHL BL	MAYNARD, Belmont, OH	Pass	State
2023-07-12	ASCENT RESOURCES - UTICA LLC - WHEELING VALLEY WHL BL	MAYNARD, Belmont, OH	Pass	State
2023-07-12	ASCENT RESOURCES - UTICA LLC - WHEELING VALLEY WHL BL	MAYNARD, Belmont, OH	Pass	State
2023-07-12	ASCENT RESOURCES - UTICA LLC - MATUSEK WHL BL	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-07-12	ASCENT RESOURCES - UTICA LLC - MATUSEK WHL BL	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-07-12	ASCENT RESOURCES - UTICA LLC - MATUSEK WHL BL	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-07-11	KOKOSING MATERIALS, INC., PLANT 524	ASHTABULA, Ashtabula, OH	Pass	State
2023-07-11	KOKOSING MATERIALS, INC., PLANT 524	ASHTABULA, Ashtabula, OH	Pass	State
2023-07-11	KOKOSING MATERIALS, INC., PLANT 524	ASHTABULA, Ashtabula, OH	Pass	State
2023-07-11	EOG RESOURCES, INC. - LLOYD SMITH 1-15-7 PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-07-11	EOG RESOURCES, INC. - LLOYD SMITH 1-15-7 PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-07-11	EOG RESOURCES, INC. - LLOYD SMITH 1-15-7 PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-07-11	EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD	SCIO, Harrison, OH	Pass	State
2023-07-11	EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD	SCIO, Harrison, OH	Pass	State
2023-07-11	EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD	SCIO, Harrison, OH	Pass	State
2023-07-11	ASCENT RESOURCES - UTICA LLC - TANNER WYN JF	BLOOMINGDALE, Jefferson, OH	Pass	State
2023-07-11	ASCENT RESOURCES - UTICA LLC - TANNER WYN JF	BLOOMINGDALE, Jefferson, OH	Pass	State
2023-07-11	ASCENT RESOURCES - UTICA LLC - TANNER WYN JF	BLOOMINGDALE, Jefferson, OH	Pass	State
2023-07-11	ASCENT RESOURCES - UTICA LLC - COLLINS WYN JF	BLOOMINGDALE, Jefferson, OH	Pass	State
2023-07-11	ASCENT RESOURCES - UTICA LLC - COLLINS WYN JF	BLOOMINGDALE, Jefferson, OH	Pass	State
2023-07-11	ASCENT RESOURCES - UTICA LLC - COLLINS WYN JF	BLOOMINGDALE, Jefferson, OH	Pass	State
2023-07-11	VALLEY ASPHALT #6	DAYTON, Montgomery, OH	Pass	State
2023-07-11	MILL CREEK WWTP	CINCINNATI, Hamilton, OH	Pass	State
2023-07-10	EOG RESOURCES, INC. - HN STO 26 12-11-6 SOUTH PAD	CADIZ, Harrison, OH	Pass	State
2023-07-10	EOG RESOURCES, INC. - HN STO 26 12-11-6 SOUTH PAD	CADIZ, Harrison, OH	Pass	State
2023-07-10	EOG RESOURCES, INC. - HN STO 26 12-11-6 SOUTH PAD	CADIZ, Harrison, OH	Pass	State
2023-07-07	BLUE RACER MIDSTREAM LLC - HFS#3 (ATHENS B)	NEW ATHENS, Harrison, OH	Pass	State
2023-07-07	BLUE RACER MIDSTREAM LLC - HFS#3 (ATHENS B)	NEW ATHENS, Harrison, OH	Pass	State
2023-07-07	BLUE RACER MIDSTREAM LLC - HFS#3 (ATHENS B)	NEW ATHENS, Harrison, OH	Pass	State
2023-07-07	BLUE RACER MIDSTREAM LLC - HFS#2	CADIZ, Harrison, OH	Pass	State
2023-07-07	BLUE RACER MIDSTREAM LLC - HFS#2	CADIZ, Harrison, OH	Pass	State
2023-07-07	BLUE RACER MIDSTREAM LLC - HFS#2	CADIZ, Harrison, OH	Pass	State
2023-07-07	ENERGY TRANSFER- ROVER PPLN - SENECA COMPRESSOR STATION	SUMMERFIELD, Noble, OH	Pass	State
2023-07-07	ENERGY TRANSFER- ROVER PPLN - SENECA COMPRESSOR STATION	SUMMERFIELD, Noble, OH	Pass	State
2023-07-07	ENERGY TRANSFER- ROVER PPLN - SENECA COMPRESSOR STATION	SUMMERFIELD, Noble, OH	Pass	State

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