EPA Air · stack tests by year

Air-emissions stack tests in 2020

33,437Stack tests

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

States, 2020

Other years

Air-emissions stack tests recorded in 2020

Date	Facility	Where	Kind	Agency
2020-11-17	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	PROCTOR, Marshall, WV	Pass	State
2020-11-17	OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION	WILLOW ISLAND, Pleasants, WV	Pass	State
2020-11-17	ANTERO MIDSTREAM LLC, MIDDLEBOURNE III	WICK, Tyler, WV	Pass	State
2020-11-17	DELRIN USA, LLC, DELRIN USA - WASHINGTON WORKS	WASHINGTON, Wood, WV	Pass	State
2020-11-16	DCP MIDSTREAM	CODEN, Mobile, AL	Pass	State
2020-11-16	DESOTO GATHERING COMPANY LLC - SOUTH BROWNIE CPF 2	HATTIEVILLE, Conway, AR	Pass	State
2020-11-16	DESOTO GATHERING COMPANY LLC - PIKE CPF-1	HATTIEVILLE, Conway, AR	Pass	State
2020-11-16	CLEARWATER PAPER CORPORATION (CYPRESS BEND)	ARKANSAS CITY, Desha, AR	Pass	State
2020-11-16	INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-11-16	MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC)	MOSS LANDING, Monterey, CA	Pass	Local
2020-11-16	ULTRAMAR INC	WILMINGTON, Los Angeles, CA	Pass	Local
2020-11-16	FLORIDA POWER & LIGHT COMPANY	FORT LAUDERDALE, Broward, FL	Pass	State
2020-11-16	TAMPA ELECTRIC COMPANY (TEC)	GIBSONTON, Hillsborough, FL	Pass	State
2020-11-16	SONOCO PRODUCTS - TEMPLE	TEMPLE, Carroll, GA	Pass	State
2020-11-16	BRUNSWICK CELLULOSE LLC	BRUNSWICK, Glynn, GA	Pass	State
2020-11-16	HONDA DEVELOPMENT & MANUFACTURING OF AMERICA LLC INDIANA AUT — high-priority violation on file	GREENSBURG, Decatur, IN	Pass	State
2020-11-16	HONDA DEVELOPMENT & MANUFACTURING OF AMERICA LLC INDIANA AUT — high-priority violation on file	GREENSBURG, Decatur, IN	Pass	State
2020-11-16	HONDA DEVELOPMENT & MANUFACTURING OF AMERICA LLC INDIANA AUT — high-priority violation on file	GREENSBURG, Decatur, IN	Pass	State
2020-11-16	CITY OF EMPORIA - TRANSFER STATION (AIR)	EMPORIA, Lyon, KS	Pass	State
2020-11-16	SOUTH KENT LANDFILL — high-priority violation on file	BYRON CENTER, Kent, MI	Pass	State
2020-11-16	WILLISTON BASIN - HATHAWAY STATION	HATHAWAY, Rosebud, MT	Pass	State
2020-11-16	WILLISTON BASIN - HATHAWAY STATION	HATHAWAY, Rosebud, MT	Pass	State
2020-11-16	CONSOLIDATED METCO, INC.	MONROE, Union, NC	Pass	State
2020-11-16	DAKOTA YEAST, LLC	WAHPETON, Richland, ND	Pass	State
2020-11-16	VALERO RENEWABLE FUELS COMPANY — high-priority violation on file	ALBION, Boone, NE	N/A	State
2020-11-16	VALERO RENEWABLE FUELS COMPANY — high-priority violation on file	ALBION, Boone, NE	N/A	State
2020-11-16	MAGNUM COMPRESSOR STATION — high-priority violation on file	CARLSBAD, Eddy, NM	Pass	State
2020-11-16	MAGNUM COMPRESSOR STATION — high-priority violation on file	CARLSBAD, Eddy, NM	Pass	State
2020-11-16	MAGNUM COMPRESSOR STATION — high-priority violation on file	CARLSBAD, Eddy, NM	Pass	State
2020-11-16	MAGNUM COMPRESSOR STATION — high-priority violation on file	CARLSBAD, Eddy, NM	Pass	State
2020-11-16	MARKWEST HOPEDALE FRACTIONATION FACILITY	JEWETT, Harrison, OH	Pass	State
2020-11-16	ET GATHERING PROCESSING LLC / HYDRO COMPRESSOR STATION	HYDRO, Blaine, OK	Pass	State
2020-11-16	ET GATHERING PROCESSING LLC / HYDRO COMPRESSOR STATION	HYDRO, Blaine, OK	Pass	State
2020-11-16	ET GATHERING PROCESSING LLC / HYDRO COMPRESSOR STATION	HYDRO, Blaine, OK	Pass	State
2020-11-16	ET GATHERING PROCESSING LLC / HYDRO COMPRESSOR STATION	HYDRO, Blaine, OK	Pass	State
2020-11-16	ET GATHERING PROCESSING LLC / HYDRO COMPRESSOR STATION	HYDRO, Blaine, OK	Pass	State
2020-11-16	ET GATHERING PROCESSING LLC / HYDRO COMPRESSOR STATION	HYDRO, Blaine, OK	Pass	State
2020-11-16	XTO ENERGY INC / WASHITA COMPRESSOR STATION	ARDMORE, Carter, OK	Pass	State
2020-11-16	DCP OPERATING CO LP / WILD HOG BOOSTER STATION	BRADLEY, Grady, OK	Pass	State
2020-11-16	DCP OPERATING CO LP / WILD HOG BOOSTER STATION	BRADLEY, Grady, OK	Pass	State
2020-11-16	DCP OPERATING CO LP / WILD HOG BOOSTER STATION	BRADLEY, Grady, OK	Pass	State
2020-11-16	TOM STACK LLC / COOP COMPRESSOR FACILITY	OKARCHE, Kingfisher, OK	Pass	State
2020-11-16	SANTA FE OPERATING LLC / PINEHOLLOW FACILITY — high-priority violation on file	STUART, Pittsburg, OK	Pass	State
2020-11-16	EMPIRE PIPELINE INC/JACKSON COMP STA	LAWRENCEVILLE, Tioga, PA	Pass	State
2020-11-16	CABOT OIL & GAS CORP/KROPA, T. PAD 1	SPRINGVILLE, Susquehanna, PA	Pass	State
2020-11-16	CABOT OIL & GAS CORP/BISHOP, B PAD 1	SPRINGVILLE, Susquehanna, PA	Pass	State
2020-11-16	PRAIRIE AQUATECH MANUFACTURING, LLC DBA HOUDEK MANUFACTURING	VOLGA, Brookings, SD	Pass	State
2020-11-16	RED CEDAR GATHERING COMPANY - MIDWAY COMPRESSOR STATION	IGNACIO, La Plata, CO	Pass	State
2020-11-16	LCRA SAM SEYMOUR FAYETTE POWER PROJECT	LA GRANGE, Fayette, TX	Pass	State
2020-11-16	LCRA SAM SEYMOUR FAYETTE POWER PROJECT	LA GRANGE, Fayette, TX	Pass	State
2020-11-16	LCRA SAM SEYMOUR FAYETTE POWER PROJECT	LA GRANGE, Fayette, TX	Pass	State
2020-11-16	COMPASS MINERALS	UTAH, Undetermined, UT	Pass	State
2020-11-16	LANXESS CORPORATION — high-priority violation on file	KALAMA, Cowlitz, WA	N/A	Local
2020-11-16	HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)	CAMPBELL COUNTY, Campbell, WY	Pass	State
2020-11-15	PACIFICORP HUNTER	UTAH, Undetermined, UT	Pass	State
2020-11-14	HILCORP ENERGY - FAIRFIELD-NOLKER PRODUCTION FACILITY	LEETONIA, Columbiana, OH	Pass	State
2020-11-14	HILCORP ENERGY - FAIRFIELD-NOLKER PRODUCTION FACILITY	LEETONIA, Columbiana, OH	Pass	State
2020-11-14	HILCORP ENERGY - FAIRFIELD-NOLKER PRODUCTION FACILITY	LEETONIA, Columbiana, OH	Pass	State
2020-11-13	WESTROCK COATED BOARD LLC-MAHRT MILL	PHENIX CITY, Russell, AL	Pass	State
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local
2020-11-13	FRESNO COGEN PARTNERS	SAN JOAQUIN, Fresno, CA	Pass	Local

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 with stack tests in 2020. It lists 33,437 stack tests recorded nationwide in 2020.