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
2023-11-28	MOLSON COORS USA LLC	MILWAUKEE, Monroe, WI	Pass	State
2023-11-28	MONONGAHELA POWER COMPANY, HARRISON STATION	HAYWOOD, Harrison, WV	Pass	State
2023-11-28	COLUMBIA GAS TRANSMISSION, LLC, HUBBALL	BRANCHLAND, Lincoln, WV	Pass	State
2023-11-28	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	CARBON COUNTY, Carbon, WY	Pass	State
2023-11-28	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	CARBON COUNTY, Carbon, WY	Pass	State
2023-11-28	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	CARBON COUNTY, Carbon, WY	Pass	State
2023-11-27	TESORO REFINING AND MARKETING CO — high-priority violation on file	WILMINGTON, Los Angeles, CA	Pass	Local
2023-11-27	TESORO REFINING AND MARKETING CO — high-priority violation on file	WILMINGTON, Los Angeles, CA	Pass	Local
2023-11-27	TESORO REFINING AND MARKETING CO — high-priority violation on file	WILMINGTON, Los Angeles, CA	Pass	Local
2023-11-27	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-27	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-27	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-27	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-27	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-27	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-27	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-27	DAVIESS CO FISCAL COURT	OWENSBORO, Daviess, KY	Pass	State
2023-11-27	DIMENSIONS 6 SECTION 8 GAS SALES COMPRESSOR STATION	MALAGA, Eddy, NM	Pass	State
2023-11-27	DIMENSIONS 6 SECTION 8 GAS SALES COMPRESSOR STATION	MALAGA, Eddy, NM	Pass	State
2023-11-27	CYPRESS 33 B CTB	MALAGA, Eddy, NM	Pass	State
2023-11-27	EOG RESOURCES, INC. - WILLIAMS CR MON PAD	CARROLLTON, Carroll, OH	Pass	State
2023-11-27	EOG RESOURCES, INC. - WILLIAMS CR MON PAD	CARROLLTON, Carroll, OH	Pass	State
2023-11-27	EOG RESOURCES, INC. - WILLIAMS CR MON PAD	CARROLLTON, Carroll, OH	Pass	State
2023-11-27	EOG RESOURCES, INC. - LLOYD SMITH 1-15-7 PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-11-27	EOG RESOURCES, INC. - LLOYD SMITH 1-15-7 PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-11-27	EOG RESOURCES, INC. - LLOYD SMITH 1-15-7 PAD	SHERRODSVILLE, Carroll, OH	Pass	State
2023-11-27	VALIDUS ENERGY II MIDCON LLC / BRANNAN 1 34 27XH	AMBER, Grady, OK	Pass	State
2023-11-27	ENERFIN GATHERING EAST LLC / DUSTIN COMPRESSOR STATION	DUSTIN, Hughes, OK	Pass	State
2023-11-27	FW MIDCON I LLC / LUCILE 1708 4H 5H 6H 27X EMORY 1708 2H	LOYAL, Kingfisher, OK	Pass	State
2023-11-27	DCP OPERATING CO LP / THUNDER COMPRESSOR STATION	BRAY, Stephens, OK	Pass	State
2023-11-27	SEWARD GENERATING STATION/SEWARD	NEW FLORENCE, Indiana, PA	Pass	State
2023-11-27	WILLIAMS FIELD SVC CO LLC/SHIELDS COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-11-27	EXPAND OPERATING LLC/MARIS SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-11-26	GRAIN PROCESSING CORP — high-priority violation on file	MUSCATINE, Muscatine, IA	Pass	State
2023-11-23	NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS)	UPALCO, Duchesne, UT	Pass	State
2023-11-22	WESTERN FOODS DELTA REGION	PINE BLUFF, Jefferson, AR	Pass	State
2023-11-22	DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file	DELAWARE CITY, New Castle, DE	Pass	State
2023-11-22	DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file	DELAWARE CITY, New Castle, DE	Pass	State
2023-11-22	PVS TECHNOLOGIES INC — high-priority violation on file	PORTAGE, Porter, IN	Pass	State
2023-11-22	TROSPER 3H #1 TANK BATTERY - GREENWOOD-WASKOM FIELD	GREENWOOD, Caddo, LA	Pass	State
2023-11-22	TROSPER 3H #1 TANK BATTERY - GREENWOOD-WASKOM FIELD	GREENWOOD, Caddo, LA	Pass	State
2023-11-22	TROSPER 3H #1 TANK BATTERY - GREENWOOD-WASKOM FIELD	GREENWOOD, Caddo, LA	Pass	State
2023-11-22	UNIVERSITY OF MISSOURI POWER PLANT	COLUMBIA, Boone, MO	Pass	State
2023-11-22	UNIVERSITY OF MISSOURI POWER PLANT	COLUMBIA, Boone, MO	Pass	State
2023-11-22	CITY OF HIGH POINT - WARD WATER PLANT	HIGH POINT, Guilford, NC	Pass	State
2023-11-22	BLUE STEEL 21 FED CTB	LOVING, Eddy, NM	Pass	State
2023-11-22	VALDEZ BOOSTER STATION	LOVING, Eddy, NM	Pass	State
2023-11-22	GULFPORT APPALACHIA, LLC - SHIMBLE PAD	BELLAIRE, Belmont, OH	Pass	State
2023-11-22	GULFPORT APPALACHIA, LLC - SHIMBLE PAD	BELLAIRE, Belmont, OH	Pass	State
2023-11-22	GULFPORT APPALACHIA, LLC - SHIMBLE PAD	BELLAIRE, Belmont, OH	Pass	State
2023-11-22	ASCENT RESOURCES - UTICA LLC - SIDWELL WHL BL	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-11-22	ASCENT RESOURCES - UTICA LLC - SIDWELL WHL BL	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-11-22	ASCENT RESOURCES - UTICA LLC - SIDWELL WHL BL	SAINT CLAIRSVILLE, Belmont, OH	Pass	State
2023-11-22	GULFPORT APPALACHIA, LLC - MILLER WELL PAD	LONDONDERRY, TOWNSHIP OF, Guernsey, OH	Pass	State
2023-11-22	GULFPORT APPALACHIA, LLC - MILLER WELL PAD	LONDONDERRY, TOWNSHIP OF, Guernsey, OH	Pass	State
2023-11-22	GULFPORT APPALACHIA, LLC - MILLER WELL PAD	LONDONDERRY, TOWNSHIP OF, Guernsey, OH	Pass	State
2023-11-22	UNIVERSITY OF CINCINNATI	CINCINNATI, Hamilton, OH	Pass	State
2023-11-22	UNIVERSITY OF CINCINNATI	CINCINNATI, Hamilton, OH	Pass	State
2023-11-22	CARGILL, INCORPORATED - SALT DIVISION	AKRON, Summit, OH	Pass	State
2023-11-22	SUNNYSIDE COGENERATION	SUNNYSIDE, Carbon, UT	Pass	State
2023-11-22	SAINT-GOBAIN CERAMICS & PLASTICS, INC., BUCKHANNO — high-priority violation on file	BUCKHANNON, Upshur, WV	Pass	State
2023-11-22	COLONY PLANT (BENTONITE PERFORMANCE MINERALS)	COLONY, Crook, WY	Pass	State
2023-11-21	ROBERT'S TRUST COMPRESSOR STATION	DUNN COUNTY, Dunn, ND	Pass	U.S. EPA
2023-11-21	TARGA BADLANDS JUNCTION COMPRESSOR STATION	MCKENZIE COUNTY, McKenzie, ND	Pass	U.S. EPA
2023-11-21	COLORMASTERS INC	ALBERTVILLE, Marshall, AL	Pass	State
2023-11-21	WESTERN FOODS DELTA REGION	PINE BLUFF, Jefferson, AR	Pass	State
2023-11-21	CMC STEEL FABRICATORS	MARICOPA COUNTY, Maricopa, AZ	Fail	Local
2023-11-21	METAL CONTAINER CORP	MIRA LOMA, Riverside, CA	Pass	Local
2023-11-21	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	Pass	State
2023-11-21	VERICO TECHNOLOGIES	ENFIELD, Hartford, CT	Fail	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	CHARLOTTE COUNTY DEPT OF PUBLIC WORKS	PUNTA GORDA, Charlotte, FL	Pass	State
2023-11-21	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-21	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-21	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-21	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-21	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-21	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-21	SUGAR CANE GROWERS CO-OP	BELLE GLADE, Palm Beach, FL	Pass	State
2023-11-21	MID AMERICAN ENERGY CO-COUNCIL BLUFFS	COUNCIL BLUFFS, Pottawattamie, IA	Pass	State
2023-11-21	POET BIOREFINING - GOWRIE, LLC — high-priority violation on file	GOWRIE, Webster, IA	Pass	State
2023-11-21	DUKE ENERGY INDIANA LLC EDWARDSPORT GENERATING STATION	EDWARDSPORT, Knox, IN	Pass	State
2023-11-21	DUKE ENERGY INDIANA LLC EDWARDSPORT GENERATING STATION	EDWARDSPORT, Knox, IN	Pass	State
2023-11-21	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2023-11-21	3A COMPOSITES USA INC	BENTON, Marshall, KY	Pass	State
2023-11-21	TROSPER 2H #1 TANK BATTERY - GREENWOOD-WASKOM FIELD	GREENWOOD, Caddo, LA	Fail	State
2023-11-21	TROSPER 2H #1 TANK BATTERY - GREENWOOD-WASKOM FIELD	GREENWOOD, Caddo, LA	Fail	State
2023-11-21	TROSPER 2H #1 TANK BATTERY - GREENWOOD-WASKOM FIELD	GREENWOOD, Caddo, LA	Pass	State
2023-11-21	PLEASANT RIVER LUMBER ENFIELD, LLC	ENFIELD, Penobscot, ME	Pass	State
2023-11-21	CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS	DEARBORN, Wayne, MI	Pass	State

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

What this page shows

This page covers Clean Air Act facilities in the EPA air register and their stack tests in 2023. It lists 26,911 stack tests recorded nationwide in 2023.