EPA Air · stack tests by state and year

Air-emissions stack tests in Arizona, 2018

61Stack 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 2018; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Arizona, 2018

Arizona, other years

Air-emissions stack tests recorded in Arizona, 2018

Date	Facility	Where	Kind	Agency
2018-12-07	HUGHES	PHOENIX, Maricopa, AZ	Pass	State
2018-11-14	REAL ALLOY ARIZONA	MARICOPA COUNTY, Maricopa, AZ	Pending	Local
2018-10-12	FREEPORT-MCMORAN - MORENCI	MORENCI, Greenlee, AZ	Pass	State
2018-09-28	ASARCO - HAYDEN SMELTER — high-priority violation on file	HAYDEN, Gila, AZ	Pass	State
2018-09-26	FANN CONTRACTING PORTABLE HOT PLANT HP03	PRESCOTT, Yavapai, AZ	Pass	State
2018-09-13	BAGDAD MINE	BAGDAD, Yavapai, AZ	Pass	State
2018-08-29	APACHE NITROGEN PRODUCTS INC — high-priority violation on file	SAINT DAVID, Cochise, AZ	Pass	State
2018-08-22	NOVO BIOPOWER, LLC	SNOWFLAKE, Navajo, AZ	Pass	State
2018-08-22	CALPORTLAND - RILLITO CEMENT PLANT	MARANA, Pima, AZ	Pass	State
2018-08-22	CALPORTLAND - RILLITO CEMENT PLANT	MARANA, Pima, AZ	Pass	State
2018-08-22	VALENCIA POWER PLANT	NOGALES, Santa Cruz, AZ	Pass	State
2018-08-22	DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file	PAULDEN, Yavapai, AZ	Pass	State
2018-08-17	FREEPORT-MCMORAN - MORENCI	MORENCI, Greenlee, AZ	Pass	State
2018-08-09	NOVO BIOPOWER, LLC	SNOWFLAKE, Navajo, AZ	Pass	State
2018-07-20	CALPORTLAND - RILLITO CEMENT PLANT	MARANA, Pima, AZ	Pass	State
2018-06-29	APACHE NITROGEN PRODUCTS INC — high-priority violation on file	SAINT DAVID, Cochise, AZ	Pass	State
2018-06-28	GRIFFITH POWER PLANT	GRIFFITH, Mohave, AZ	Pass	State
2018-06-22	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2018-06-22	CHOLLA GENERATING STATION	JOSEPH CITY, Navajo, AZ	Pass	State
2018-06-22	DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file	PAULDEN, Yavapai, AZ	Pass	State
2018-06-21	CHOLLA GENERATING STATION	JOSEPH CITY, Navajo, AZ	Pass	State
2018-06-20	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2018-06-20	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2018-06-20	CHOLLA GENERATING STATION	JOSEPH CITY, Navajo, AZ	Pass	State
2018-06-19	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2018-06-15	CORONADO GENERATING PLANT	SAINT JOHNS, Apache, AZ	Pass	State
2018-06-13	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2018-06-05	LINDE GAS & EQUIPMENT, INC.	KINGMAN, Mohave, AZ	Pass	State
2018-06-04	BAGDAD MINE	BAGDAD, Yavapai, AZ	Pass	State
2018-06-01	TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION	SPRINGERVILLE, Apache, AZ	Pass	State
2018-06-01	APACHE NITROGEN PRODUCTS INC — high-priority violation on file	SAINT DAVID, Cochise, AZ	Pass	State
2018-05-29	FREEPORT-MCMORAN - SAFFORD OPERATIONS	SAFFORD, Graham, AZ	Pass	State
2018-05-28	TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION	SPRINGERVILLE, Apache, AZ	Pass	State
2018-05-25	TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION	SPRINGERVILLE, Apache, AZ	Pass	State
2018-05-25	APS - YUCCA POWER PLANT	YUMA, Yuma, AZ	Pass	State
2018-05-23	TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION	SPRINGERVILLE, Apache, AZ	Pass	State
2018-05-23	UNS ELECTRIC INC - BLACK MOUNTAIN GENERATING STATION	GRIFFITH, Mohave, AZ	Pass	State
2018-05-18	ASARCO - HAYDEN SMELTER — high-priority violation on file	HAYDEN, Gila, AZ	Pass	State
2018-05-15	FREEPORT MCMORAN - MIAMI SMELTER	MIAMI, Gila, AZ	Pass	State
2018-05-15	FREEPORT-MCMORAN - MORENCI	MORENCI, Greenlee, AZ	Pass	State
2018-05-15	DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file	PAULDEN, Yavapai, AZ	Pass	State
2018-05-10	TRANSWESTERN PIPELINE - FLAGSTAFF COMPRESSOR STATION	PARKS, Coconino, AZ	Pass	State
2018-05-04	CORONADO GENERATING PLANT	SAINT JOHNS, Apache, AZ	Pass	State
2018-05-01	YUMA COGENERATION ASSOCIATES	YUMA, Yuma, AZ	Pass	State
2018-04-18	EL PASO NATURAL GAS CO - DUTCH FLAT COMPRESSOR STATION	FRANCONIA, Mohave, AZ	Pass	State
2018-04-17	FREEPORT-MCMORAN - SAFFORD OPERATIONS	SAFFORD, Graham, AZ	Pass	State
2018-04-17	EL PASO NATURAL GAS CO - ALAMO LAKE COMPRESSOR STATION	ALAMO CROSSING (HISTORICAL), La Paz, AZ	Pass	State
2018-03-27	FREEPORT MCMORAN - MIAMI SMELTER	MIAMI, Gila, AZ	Pass	State
2018-03-08	PHOENIX CEMENT	CLARKDALE, Yavapai, AZ	Pass	State
2018-03-06	PHOENIX CEMENT	CLARKDALE, Yavapai, AZ	Pass	State
2018-02-28	EL PASO NATURAL GAS CO - WILLIAMS COMPRESSOR STATION	WILLIAMS, Coconino, AZ	Pass	State
2018-02-28	EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION	SELIGMAN, Yavapai, AZ	Pass	State
2018-02-21	EL PASO NATURAL GAS CO - MOJAVE TOPOCK COMPRESSOR STATION	TOPOCK, Mohave, AZ	Pass	State
2018-02-20	EL PASO NATURAL GAS CO - WENDEN COMPRESSOR STATION	CENTENNIAL, La Paz, AZ	Pass	State
2018-02-20	EL PASO NATURAL GAS CO - WENDEN COMPRESSOR STATION	CENTENNIAL, La Paz, AZ	Pass	State
2018-02-15	EHRENBERG COMPRESSOR STATION	EHRENBERG, La Paz, AZ	Pass	State
2018-02-13	EL PASO NATURAL GAS - WILLCOX COMPRESSOR STATION	WILLCOX, Cochise, AZ	Pass	State
2018-02-13	BAGDAD MINE	BAGDAD, Yavapai, AZ	Pass	State
2018-02-13	BAGDAD MINE	BAGDAD, Yavapai, AZ	Pass	State
2018-02-08	APACHE GENERATING STATION	COCHISE, Cochise, AZ	Pass	State
2018-02-06	EL PASO NATURAL GAS CO - SAN SIMON COMPRESSOR STATION	SAN SIMON, Cochise, AZ	Pass	State

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