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.