EPA Air · stack tests by state and year
Air-emissions stack tests in Arizona, 2024
- 126Stack 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 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Arizona, 2024
- Maricopa County 53
- Yavapai County 19
- Cochise County 8
- Mohave County 7
- Pima County 7
- Gila County 7
- Apache County 5
- Graham County 5
- Navajo County 5
- Greenlee County 4
Arizona, other years
Air-emissions stack tests recorded in Arizona, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-12-19 | ASARCO - HAYDEN SMELTER — high-priority violation on file | HAYDEN, Gila, AZ | Pass | State |
| 2024-12-19 | CHOLLA GENERATING STATION | JOSEPH CITY, Navajo, AZ | Pass | State |
| 2024-12-17 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2024-12-13 | PINTO VALLEY MINE | MIAMI, Gila, AZ | Pass | State |
| 2024-12-11 | FNF BANTA MATERIAL SOURCE | TEMPE, Maricopa, AZ | Pass | State |
| 2024-12-06 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-12-04 | MICROSOFT CORP - OLIVE AVE | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-12-03 | ARIZONA STATE UNIVERSITY TEMPE CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-12-03 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-11-27 | ME GLOBAL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-11-25 | ME GLOBAL | MARICOPA COUNTY, Maricopa, AZ | Fail | Local |
| 2024-11-21 | NOVO BIOPOWER, LLC | SNOWFLAKE, Navajo, AZ | Pass | State |
| 2024-11-21 | BAGDAD MINE | BAGDAD, Yavapai, AZ | Pass | State |
| 2024-11-20 | ME GLOBAL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-11-19 | TRANSWESTERN PIPELINE - KINGMAN COMPRESSOR STATION | FORT ROCK ROAD, Mohave, AZ | Pass | State |
| 2024-11-13 | ASARCO - HAYDEN SMELTER — high-priority violation on file | HAYDEN, Gila, AZ | Pass | State |
| 2024-11-13 | NORTHWEST REGIONAL LANDFILL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-10-31 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | SAFFORD, Graham, AZ | Pass | State |
| 2024-10-29 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-10-24 | GLENDALE MUN SANITARY LANDFILL/FLD OPER — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-10-23 | APACHE NITROGEN PRODUCTS INC — high-priority violation on file | SAINT DAVID, Cochise, AZ | Pass | State |
| 2024-10-18 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2024-10-16 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2024-10-15 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-09-24 | TOPOCK LNG PLANT 1 COOLING WATER BLOWDOWN POND | TOPOCK, Mohave, AZ | Pass | State |
| 2024-09-19 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2024-09-19 | EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION | SELIGMAN, Yavapai, AZ | Pass | State |
| 2024-09-18 | EL PASO NATURAL GAS CO - WILLIAMS COMPRESSOR STATION | WILLIAMS, Coconino, AZ | Pass | State |
| 2024-09-17 | ASPHALT PAVING & SUPPLY INC. DBA ARROWHEAD MATERIALS | PRESCOTT VALLEY, Yavapai, AZ | Pass | State |
| 2024-09-13 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2024-09-13 | UNITED DAIRYMEN OF ARIZONA | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-09-13 | REAL ALLOY ARIZONA | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-09-12 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-09-12 | SOLANA GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-08-30 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-08-29 | VALENCIA POWER PLANT | NOGALES, Santa Cruz, AZ | Pass | State |
| 2024-08-28 | TAYLOR PIT | TAYLOR, Navajo, AZ | Pass | State |
| 2024-08-21 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Fail | State |
| 2024-08-20 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-08-20 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-08-15 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2024-08-15 | APS REDHAWK GENERATING FACILITY | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-08-15 | ARLINGTON VALLEY — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-08-13 | MOSS MINE | BULLHEAD CITY, Mohave, AZ | Pass | State |
| 2024-08-09 | APS WEST PHX POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-07-29 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | SAFFORD, Graham, AZ | Pass | State |
| 2024-07-29 | CHOLLA GENERATING STATION | JOSEPH CITY, Navajo, AZ | Pass | State |
| 2024-07-19 | GOODRICH | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-07-17 | CROSS HILL 2 | TEMPE, Maricopa, AZ | Pass | State |
| 2024-07-17 | APS WEST PHX POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-07-12 | UNS ELECTRIC INC - BLACK MOUNTAIN GENERATING STATION | GRIFFITH, Mohave, AZ | Pass | State |
| 2024-07-12 | PHOENIX FACILITY | MARICOPA COUNTY, Maricopa, AZ | Fail | Local |
| 2024-07-11 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-07-11 | APS - YUCCA POWER PLANT | YUMA, Yuma, AZ | Pass | State |
| 2024-07-10 | GRIFFITH POWER PLANT | GRIFFITH, Mohave, AZ | Pass | State |
| 2024-07-09 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-06-28 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2024-06-28 | GILA RIVER POWER STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-06-26 | INTEL CORP CHANDLER CAMPUS (FAB 6) | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-06-26 | APS OCOTILLO POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-06-25 | CORONADO GENERATING PLANT | SAINT JOHNS, Apache, AZ | Pass | State |
| 2024-06-20 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2024-06-20 | NEW HARQUAHALA GENERATING | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-06-20 | BALL METAL BEVERAGE CONTAINER CORP | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-06-12 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2024-06-11 | TRANSWESTERN PIPELINE - FLAGSTAFF COMPRESSOR STATION | PARKS, Coconino, AZ | Pass | State |
| 2024-06-11 | SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-06-10 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2024-06-06 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2024-06-06 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-06-05 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2024-05-28 | QUIKJET - MONROE I & II TERMINALS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-05-24 | MECP1 MESA INTERMEDIATE 1 | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-05-23 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2024-05-22 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-05-22 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-05-22 | HONEYWELL AEROSPACE - PHOENIX ENGINES | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-05-17 | SALT RIVER PROJECT - SANTAN GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-05-15 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-05-15 | SKUNK CREEK LANDFILL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-05-10 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-05-09 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2024-05-09 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2024-05-08 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | SAFFORD, Graham, AZ | Pass | State |
| 2024-05-08 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | SAFFORD, Graham, AZ | Pass | State |
| 2024-05-08 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2024-05-08 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2024-05-07 | APACHE NITROGEN PRODUCTS INC — high-priority violation on file | SAINT DAVID, Cochise, AZ | Pass | State |
| 2024-05-02 | LINDE GAS & EQUIPMENT, INC. | KINGMAN, Mohave, AZ | Pass | State |
| 2024-04-24 | ROGERS CORPORATION - ROOSEVELT AVE FACILITY — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-04-20 | FREEPORT MCMORAN - MIAMI SMELTER | MIAMI, Gila, AZ | Pass | State |
| 2024-04-18 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-04-16 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2024-04-16 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Fail | Local |
| 2024-04-12 | MESQUITE GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-04-11 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Fail | State |
| 2024-04-11 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2024-04-11 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-04-09 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-04-03 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
The page covers Clean Air Act facilities in the EPA air register with stack tests in AZ for 2024. It lists 126 stack tests recorded in 2024.