EPA Air · stack tests by year

Air-emissions stack tests in 2023

26,911Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit.

States, 2023

Other years

Air-emissions stack tests recorded in 2023

Date	Facility	Where	Kind	Agency
2023-12-12	CHEMOURS COMPANY - FAYETTEVILLE WORKS	FAYETTEVILLE, Bladen, NC	Pending	State
2023-12-12	DAKOTA PRAIRIE REFINING, LLC DBA MARATHON DICKINSON REFINERY - DICKINSON RENEWAB	DICKINSON, Stark, ND	Pass	State
2023-12-12	BRONCO COMPRESSOR STATION	LOVING, Eddy, NM	Pass	State
2023-12-12	EAST VACUUM LIQUID RECOVERY AND CO2 PLANT	BUCKEYE, Lea, NM	Pass	State
2023-12-12	EAST VACUUM LIQUID RECOVERY AND CO2 PLANT	BUCKEYE, Lea, NM	Pass	State
2023-12-12	GOLD QUARRY OPERATIONS — high-priority violation on file	CARLIN, Eureka, NV	Pass	State
2023-12-12	CONSOLIDATED HUNTINGTON VALLEY/MOONEY BASIN MINING OPERATIONS	ELKO, White Pine, NV	Pass	State
2023-12-12	HIGH DESERT STATE PRISON — high-priority violation on file	INDIAN SPRINGS, Clark, NV	Pass	Local
2023-12-12	HIGH DESERT STATE PRISON — high-priority violation on file	INDIAN SPRINGS, Clark, NV	Pass	Local
2023-12-12	MOMENTIVE PERFORMANCE MATERIALS	WATERFORD, Saratoga, NY	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
2023-12-12	ET GATHERING PROCESSING LLC / BISHOP 1 COMPRESSOR STATION	ARNETT, Ellis, OK	Pass	State
2023-12-12	GREAT HORNED OWLS LLC / HEDGES 6 7 PAD	DOUGLAS, Garfield, OK	Pass	State
2023-12-12	MARKWEST OKLAHOMA GAS CO LLC / STUART NORTH COMPRESSOR STATION	STUART, Hughes, OK	Pass	State
2023-12-12	GREAT HORNED OWLS LLC / PAUL 26 27 PAD	CRESCENT, Logan, OK	Pass	State
2023-12-12	HUBBELL UTILITY SOLUTIONS / HUBBELL MANUFACTURING OKC INC	OKLAHOMA CITY, Oklahoma, OK	Pass	State
2023-12-12	DCP OPERATING CO LP / STRAIGHT COMPRESSOR STATION	GUYMON, Texas, OK	Pass	State
2023-12-12	EASTERN GAS TRANS & STORAGE/CRAYNE STA	WAYNESBURG, Greene, PA	Pass	State
2023-12-12	TEXAS EASTERN TRANS LP/ARMAGH STA	NEW FLORENCE, Indiana, PA	Pass	State
2023-12-12	PA GEN ENERGY CO LLC/TRACT 729 COMPRESSOR STATION	WATERVILLE, Lycoming, PA	Pass	State
2023-12-12	EQUITRANS LP/REDHOOK COMPRESSOR STATION	WAYNESBURG, Greene, PA	Pass	State
2023-12-12	MILLIKEN & COMPANY - ALLEN PLANT	BLACKSBURG, Cherokee, SC	Pass	State
2023-12-12	CHINA JUSHI USA CORPORATION — high-priority violation on file	COLUMBIA, Richland, SC	Pass	State
2023-12-12	RING NECK ENERGY & FEED LLC — high-priority violation on file	ONIDA, Sully, SD	Pass	State
2023-12-12	TRANSCO COMPRESSOR STATIONS 165 AND 166	CHATHAM, Pittsylvania, VA	Pass	State
2023-12-12	PACKAGING CORPORATION OF AMERICA — high-priority violation on file	WALLULA, Walla Walla, WA	Pass	State
2023-12-12	GRAYMONT WESTERN LIME - EDEN	EDEN, Fond du Lac, WI	Pass	State
2023-12-12	WVA MANUFACTURING, LLC, ALLOY — high-priority violation on file	ALLOY, Fayette, WV	Pass	State
2023-12-12	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	PROCTOR, Marshall, WV	Pass	State
2023-12-12	APPALACHIAN POWER CO. - MOUNTAINEER PLANT, NEW HAVEN	NEW HAVEN, Mason, WV	Pass	State
2023-12-12	FONTENELLE STATION (MOUNTAIN GAS RESOURCES LLC)	SWEETWATER COUNTY, Sweetwater, WY	Pass	State
2023-12-12	FONTENELLE STATION (MOUNTAIN GAS RESOURCES LLC)	SWEETWATER COUNTY, Sweetwater, WY	Pass	State
2023-12-12	FONTENELLE STATION (MOUNTAIN GAS RESOURCES LLC)	SWEETWATER COUNTY, Sweetwater, WY	Pass	State
2023-12-11	DESOTO GATHERING CO., LLC - PINEY CREEK CPF - 1	ROSE BUD, Cleburne, AR	Pass	State
2023-12-11	DESOTO GATHERING COMPANY, LLC - CHARLEY CPF-4	HEBER SPRINGS, Cleburne, AR	Pass	State
2023-12-11	WESTERN FOODS DELTA REGION	PINE BLUFF, Jefferson, AR	Pass	State
2023-12-11	RAZORBACK GATHERING COMPANY, LLC. - PEAR TREE CPF 1	PANGBURN, White, AR	Pass	State
2023-12-11	RAZORBACK GATHERING COMPANY, LLC. - LITTLE RED RIVER CPF 1	BALD KNOB, White, AR	Pass	State
2023-12-11	AIR LIQUID LARGE INDUSTRIES US, LP	EL SEGUNDO, Los Angeles, CA	Pass	Local
2023-12-11	AERA ENERGY LLC — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2023-12-11	AERA ENERGY LLC — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2023-12-11	AERA ENERGY LLC — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2023-12-11	AERA ENERGY LLC — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2023-12-11	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2023-12-11	COVIDIEN LP	NORTH HAVEN, New Haven, CT	Pass	State
2023-12-11	FLORIDA POWER & LIGHT COMPANY	FORT LAUDERDALE, Broward, FL	Pass	State
2023-12-11	FLORIDA POWER & LIGHT COMPANY	FORT LAUDERDALE, Broward, FL	Pass	State
2023-12-11	THE QUIKRETE COMPANIES, LLC	MIAMI, Miami-Dade, FL	Pass	State
2023-12-11	ARMSTRONG WORLD INDUSTRIES, INC.	PENSACOLA, Escambia, FL	Pass	State
2023-12-11	ARMSTRONG WORLD INDUSTRIES, INC.	PENSACOLA, Escambia, FL	Pass	State
2023-12-11	ARMSTRONG WORLD INDUSTRIES, INC.	PENSACOLA, Escambia, FL	Pass	State
2023-12-11	ARMSTRONG WORLD INDUSTRIES, INC.	PENSACOLA, Escambia, FL	Pass	State
2023-12-11	HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file	MITCHELL, Lawrence, IN	Pass	State
2023-12-11	HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file	MITCHELL, Lawrence, IN	Pass	State
2023-12-11	HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file	MITCHELL, Lawrence, IN	Pass	State
2023-12-11	LIBERTY LANDFILL LLC	MONTICELLO, White, IN	Pass	State
2023-12-11	LIBERTY LANDFILL LLC	MONTICELLO, White, IN	Pass	State
2023-12-11	LIBERTY LANDFILL LLC	MONTICELLO, White, IN	Pass	State
2023-12-11	LIBERTY LANDFILL LLC	MONTICELLO, White, IN	Pass	State
2023-12-11	CENTURY ALUMINUM SEBREE LLC	ROBARDS, Henderson, KY	Pass	State
2023-12-11	RAVEN POWER FORT SMALLWOOD LLC	CURTIS BAY, Anne Arundel, MD	Pass	State
2023-12-11	UNIVERSITY OF MISSOURI POWER PLANT	COLUMBIA, Boone, MO	Pass	State
2023-12-11	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pass	State
2023-12-11	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pass	State
2023-12-11	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pass	State
2023-12-11	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pass	State
2023-12-11	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pass	State
2023-12-11	CARDINAL PIPELINE COMPANY, LLC - COMPRESSOR STATION 161	BROWNS SUMMIT, Guilford, NC	Pass	State
2023-12-11	ADM CORN PROCESSING — high-priority violation on file	COLUMBUS, Platte, NE	N/A	State
2023-12-11	MAD MAX 6 FED COM CTB	CARLSBAD, Eddy, NM	Pass	State
2023-12-11	LEA COMPRESSOR STATION	MONUMENT, Lea, NM	Pass	State
2023-12-11	HIGH DESERT STATE PRISON — high-priority violation on file	INDIAN SPRINGS, Clark, NV	Fail	Local
2023-12-11	FW MIDCON I LLC / HUNT 1307 1 29 20WH	EL RENO, Canadian, OK	Pass	State
2023-12-11	GREAT HORNED OWLS LLC / OWEN PAD	CAMARGO, Dewey, OK	Pass	State
2023-12-11	IRON HORSE MIDSTREAM LLC / SILVER PIGEON COMPRESSOR STATION	NINNEKAH, Grady, OK	Pass	State
2023-12-11	VALIDUS ENERGY II MIDCON LLC / BURCHFIELD TRUST 1H 5 8X	MINCO, Grady, OK	Pass	State
2023-12-11	MARKWEST OKLAHOMA GAS CO LLC / WEST RELAY COMPESSOR STATION	HORNTOWN, Hughes, OK	Pass	State
2023-12-11	FW MIDCON I LLC / VOSS 1 24H	OKARCHE, Kingfisher, OK	Pass	State
2023-12-11	CHISHOLM OIL AND GAS OPERATING LLC / GREAT DIVIDE 12 18N 8W	DOVER, Kingfisher, OK	Pass	State
2023-12-11	ONEOK FIELD SERVICES CO LLC / COTTONWOOD COMPRESSOR STATION	VELMA, Stephens, OK	Pass	State
2023-12-11	ONEOK FIELD SERVICES CO LLC / COTTONWOOD COMPRESSOR STATION	VELMA, Stephens, OK	Pass	State
2023-12-11	EXPAND OPERATING LLC/YVONNE SUS PAD	LAWTON, Susquehanna, PA	Pass	State
2023-12-11	WI PUBLIC SERVICE WESTON POWER PLANT	KRONENWETTER, Marathon, WI	Pass	State
2023-12-09	HILCORP ALASKA, LLC / CENTRAL COMPRESSOR PLANT (CCP)	NORTH SLOPE BOROUGH, North Slope, AK	Pass	State
2023-12-09	DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER	ST PAUL, Wise, VA	Pass	State

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