EPA Air · stack tests by state and year

Air-emissions stack tests in Arizona, 2020

97Stack 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 Arizona during 2020; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Arizona, 2020

Arizona, other years

Air-emissions stack tests recorded in Arizona, 2020

Date	Facility	Where	Kind	Agency
2020-12-28	FREEPORT-MCMORAN - MORENCI	MORENCI, Greenlee, AZ	Fail	State
2020-12-15	APS WEST PHX POWER PLANT	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-12-14	FREEPORT-MCMORAN SIERRITA	GREEN VALLEY, Pima, AZ	Pass	Local
2020-12-11	NEW WINCUP HOLDINGS — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-12-02	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2020-11-24	PINTO VALLEY MINE	MIAMI, Gila, AZ	Pass	State
2020-11-16	INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-10-28	TUCSON ELECTRIC POWER CO (NORTH LOOP)	RILLITO, Pima, AZ	Pass	Local
2020-10-27	FREEPORT-MCMORAN - SAFFORD OPERATIONS	SAFFORD, Graham, AZ	Pass	State
2020-10-21	REAL ALLOY ARIZONA	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-10-21	FREEPORT-MCMORAN SIERRITA	GREEN VALLEY, Pima, AZ	Pass	Local
2020-10-09	TOPOCK LNG PLANT 1 COOLING WATER BLOWDOWN POND	TOPOCK, Mohave, AZ	Pass	State
2020-10-06	EL PASO NATURAL GAS - WILLCOX COMPRESSOR STATION	WILLCOX, Cochise, AZ	Pass	State
2020-10-06	EL PASO NATURAL GAS CO - BOWIE COMPRESSOR STATION	BOWIE, Cochise, AZ	Pass	State
2020-10-06	SOLANA GENERATING STATION	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-09-29	EL PASO NATURAL GAS CO - WILLIAMS COMPRESSOR STATION	WILLIAMS, Coconino, AZ	Pass	State
2020-09-24	EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION	SELIGMAN, Yavapai, AZ	Pass	State
2020-09-22	PHOENIX CEMENT	CLARKDALE, Yavapai, AZ	Pending	U.S. EPA
2020-09-02	DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file	PAULDEN, Yavapai, AZ	Pass	State
2020-08-27	SOLANA GENERATING STATION	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-08-20	APS REDHAWK GENERATING FACILITY	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-08-20	ARLINGTON VALLEY — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-08-19	NOVO BIOPOWER, LLC	SNOWFLAKE, Navajo, AZ	Pass	State
2020-08-19	VALENCIA POWER PLANT	NOGALES, Santa Cruz, AZ	Pass	State
2020-08-19	PHOENIX CEMENT	CLARKDALE, Yavapai, AZ	Pass	State
2020-08-12	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pending	State
2020-08-12	APS WEST PHX POWER PLANT	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-08-12	CMC STEEL FABRICATORS	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-08-06	FREEPORT-MCMORAN - SAFFORD OPERATIONS	SAFFORD, Graham, AZ	Pass	State
2020-08-05	PASS CANYON — high-priority violation on file	PRESCOTT VALLEY, Yavapai, AZ	Pending	State
2020-07-15	APS WEST PHX POWER PLANT	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-07-15	SALT RIVER PROJECT - AGUA FRIA GENERATING STATION	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-06-27	NEW WINCUP HOLDINGS — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-06-25	SFPP-PHOENIX TERMINAL	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-06-22	SFPP,LP - TUCSON TERMINAL	TUCSON, Pima, AZ	Pass	Local
2020-06-19	QUIKJET - MONROE I & II TERMINALS — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-06-18	CHOLLA GENERATING STATION	JOSEPH CITY, Navajo, AZ	Pass	State
2020-06-15	CORONADO GENERATING PLANT	SAINT JOHNS, Apache, AZ	Pass	State
2020-06-11	CAMP VERDE HMA PLANT	PHOENIX, Maricopa, AZ	Pending	State
2020-06-11	TUCSON ELECTRIC POWER-IRVINGTON	TUCSON, Pima, AZ	Pass	Local
2020-06-11	TUCSON ELECTRIC POWER-IRVINGTON	TUCSON, Pima, AZ	Pass	Local
2020-06-09	UNS ELECTRIC INC - BLACK MOUNTAIN GENERATING STATION	GRIFFITH, Mohave, AZ	Pass	State
2020-06-08	INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-06-08	INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-06-07	TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION	SPRINGERVILLE, Apache, AZ	Pass	State
2020-06-03	TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION	SPRINGERVILLE, Apache, AZ	Pass	State
2020-06-02	YUMA COGENERATION ASSOCIATES	YUMA, Yuma, AZ	Pass	State
2020-06-02	SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-05-28	CALPORTLAND - RILLITO CEMENT PLANT	MARANA, Pima, AZ	Pass	State
2020-05-28	PHOENIX CEMENT	CLARKDALE, Yavapai, AZ	Pass	State
2020-05-22	APS OCOTILLO POWER PLANT	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-05-07	SALT RIVER PROJECT - SANTAN GENERATING STATION	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-05-06	AMERICAN WOODMARK CORPORATION - KINGMAN PLANT	KINGMAN, Mohave, AZ	Pass	State
2020-04-29	LINDE GAS & EQUIPMENT, INC.	KINGMAN, Mohave, AZ	Pass	State
2020-04-23	APACHE NITROGEN PRODUCTS INC — high-priority violation on file	SAINT DAVID, Cochise, AZ	Pass	State
2020-04-23	APACHE NITROGEN PRODUCTS INC — high-priority violation on file	SAINT DAVID, Cochise, AZ	Pass	State
2020-04-22	PHOENIX CEMENT	CLARKDALE, Yavapai, AZ	Pass	State
2020-04-21	MESQUITE GENERATING STATION	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-04-19	NORTHWEST REGIONAL LANDFILL	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-04-17	GILA RIVER POWER STATION — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2020-04-14	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2020-04-13	MOSS MINE	BULLHEAD CITY, Mohave, AZ	Pass	State
2020-04-01	FREEPORT MCMORAN - MIAMI SMELTER	MIAMI, Gila, AZ	Pass	State
2020-03-31	PRINTPACK INC	PRESCOTT VALLEY, Yavapai, AZ	Pass	State
2020-03-11	TRANSWESTERN PIPELINE - FLAGSTAFF COMPRESSOR STATION	PARKS, Coconino, AZ	Pass	State
2020-03-10	TRANSWESTERN PIPELINE - KINGMAN COMPRESSOR STATION	FORT ROCK ROAD, Mohave, AZ	Pass	State
2020-03-05	PHOENIX CEMENT	CLARKDALE, Yavapai, AZ	Pass	State
2020-03-03	CALPORTLAND - RILLITO CEMENT PLANT	MARANA, Pima, AZ	Pass	State
2020-03-03	FREEPORT-MCMORAN SIERRITA	GREEN VALLEY, Pima, AZ	Pass	Local
2020-02-27	EL PASO NATURAL GAS CO - ALAMO LAKE COMPRESSOR STATION	ALAMO CROSSING (HISTORICAL), La Paz, AZ	Pass	State
2020-02-27	APS OCOTILLO POWER PLANT	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-02-26	EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION	SELIGMAN, Yavapai, AZ	Pass	State
2020-02-25	EL PASO NATURAL GAS CO - WILLIAMS COMPRESSOR STATION	WILLIAMS, Coconino, AZ	Pass	State
2020-02-21	PRINTPACK INC	PRESCOTT VALLEY, Yavapai, AZ	Pass	State
2020-02-20	DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file	PAULDEN, Yavapai, AZ	Pass	State
2020-02-20	GOLD BOND BUILDING PRODUCTS — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-02-20	CMC STEEL FABRICATORS	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-02-19	EL PASO NATURAL GAS CO - MOJAVE TOPOCK COMPRESSOR STATION	TOPOCK, Mohave, AZ	Pass	State
2020-02-13	EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION	SELIGMAN, Yavapai, AZ	Pass	State
2020-02-13	BLT COMPANIES - HOT MIX ASPHALT #1	YUMA, Yuma, AZ	Pass	State
2020-02-13	VULCAN PORTABLE ONE PLANT - FLAGSTAFF	PHOENIX, Maricopa, AZ	Pending	State
2020-02-12	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2020-02-11	EL PASO NATURAL GAS CO - DUTCH FLAT COMPRESSOR STATION	FRANCONIA, Mohave, AZ	Pass	State
2020-02-04	FREEPORT MCMORAN - MIAMI SMELTER	MIAMI, Gila, AZ	Pass	State
2020-02-04	CALPORTLAND - RILLITO CEMENT PLANT	MARANA, Pima, AZ	Fail	State
2020-02-03	FREEPORT-MCMORAN - SAFFORD OPERATIONS	SAFFORD, Graham, AZ	Pass	State
2020-01-30	SFPP-PHOENIX TERMINAL	MARICOPA COUNTY, Maricopa, AZ	Pass	Local
2020-01-29	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2020-01-29	NATURESWEET USA, LLC - WILLCOX FACILITY	WILLCOX, Graham, AZ	Pass	State
2020-01-21	LHOIST NORTH AMERICA OF ARIZONA - DOUGLAS	DOUGLAS, Cochise, AZ	Pass	State
2020-01-21	LHOIST NORTH AMERCA OF ARIZONA - NELSON	ARIZONA, Undetermined, AZ	Pass	State
2020-01-16	PINTO VALLEY MINE	MIAMI, Gila, AZ	Pass	State
2020-01-16	EL PASO NATURAL GAS CO - MOJAVE TOPOCK COMPRESSOR STATION	TOPOCK, Mohave, AZ	Pass	State
2020-01-14	EL PASO NATURAL GAS CO - WENDEN COMPRESSOR STATION	CENTENNIAL, La Paz, AZ	Pass	State
2020-01-10	FREEPORT MCMORAN - MIAMI SMELTER	MIAMI, Gila, AZ	Pass	State
2020-01-03	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2020-01-03	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State

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