EPA Air · stack tests by state and year
Air-emissions stack tests in Arizona, 2022
- 114Stack 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 2022; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Arizona, 2022
- Maricopa County 39
- Pima County 13
- Yavapai County 11
- Greenlee County 11
- Mohave County 8
- Cochise County 8
- Navajo County 6
- Apache County 5
- Gila County 4
- Coconino County 3
Arizona, other years
Air-emissions stack tests recorded in Arizona, 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-12-15 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-12-14 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2022-12-13 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2022-12-13 | NATURESWEET USA, LLC - WILLCOX FACILITY | WILLCOX, Graham, AZ | Pass | State |
| 2022-12-08 | FREEPORT MCMORAN - MIAMI SMELTER | MIAMI, Gila, AZ | Pass | State |
| 2022-11-30 | ASARCO - HAYDEN SMELTER — high-priority violation on file | HAYDEN, Gila, AZ | Pass | State |
| 2022-11-30 | FREEPORT-MCMORAN SIERRITA | GREEN VALLEY, Pima, AZ | Pending | Local |
| 2022-11-22 | GILA RIVER POWER STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-11-17 | REAL ALLOY ARIZONA | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-11-11 | FREEPORT-MCMORAN SIERRITA | GREEN VALLEY, Pima, AZ | Pass | Local |
| 2022-11-07 | VULCAN MATERIALS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-11-03 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2022-11-02 | TRANSWESTERN PIPELINE - KINGMAN COMPRESSOR STATION | FORT ROCK ROAD, Mohave, AZ | Pass | State |
| 2022-11-01 | NOVO BIOPOWER, LLC | SNOWFLAKE, Navajo, AZ | Pass | State |
| 2022-10-25 | VULCAN PORTABLE ONE PLANT - FLAGSTAFF | PHOENIX, Maricopa, AZ | Pass | State |
| 2022-10-25 | VULCAN PORTABLE ONE PLANT - FLAGSTAFF | PHOENIX, Maricopa, AZ | Pass | State |
| 2022-10-19 | APS WEST PHX POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-10-18 | APS WEST PHX POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-10-04 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pending | State |
| 2022-09-29 | BAGDAD MINE | BAGDAD, Yavapai, AZ | Pass | State |
| 2022-09-27 | TOPOCK LNG PLANT 1 COOLING WATER BLOWDOWN POND | TOPOCK, Mohave, AZ | Pass | State |
| 2022-09-20 | FANN CONTRACTING PORTABLE HOT PLANT HP03 | PRESCOTT, Yavapai, AZ | Pass | State |
| 2022-09-19 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-09-15 | CAMP VERDE HMA PLANT | PHOENIX, Maricopa, AZ | Pass | State |
| 2022-09-09 | NORTHWEST REGIONAL LANDFILL | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-09-08 | VALENCIA POWER PLANT | NOGALES, Santa Cruz, AZ | Pass | State |
| 2022-09-02 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-08-24 | EL PASO NATURAL GAS CO - WILLIAMS COMPRESSOR STATION | WILLIAMS, Coconino, AZ | Pass | State |
| 2022-08-24 | NOVO BIOPOWER, LLC | SNOWFLAKE, Navajo, AZ | Fail | State |
| 2022-08-24 | BOEING 400 PORTABLE HOT PLANT | SNOWFLAKE, Navajo, AZ | Pass | State |
| 2022-08-23 | EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION | SELIGMAN, Yavapai, AZ | Pass | State |
| 2022-08-19 | FREEPORT-MCMORAN SIERRITA | GREEN VALLEY, Pima, AZ | Pass | Local |
| 2022-08-18 | APS REDHAWK GENERATING FACILITY | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-08-18 | ARLINGTON VALLEY — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-08-17 | EL PASO NATURAL GAS COMPANY- VAIL COMPRESSOR STATION | TUCSON, Pima, AZ | Pass | Local |
| 2022-08-16 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2022-08-16 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2022-08-15 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-08-11 | APS WEST PHX POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-08-09 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2022-08-08 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-08-07 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-07-14 | SR 85 LANDFILL | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-07-13 | LINDE GAS & EQUIPMENT, INC. | KINGMAN, Mohave, AZ | Pass | State |
| 2022-07-08 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-07-06 | KE&G CONSTRUCTION HOT PLANT | SIERRA VISTA, Cochise, AZ | Pass | State |
| 2022-06-28 | QUIKJET - MONROE I & II TERMINALS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-06-27 | SFPP,LP - TUCSON TERMINAL | TUCSON, Pima, AZ | Pass | Local |
| 2022-06-24 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2022-06-23 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2022-06-23 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2022-06-23 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2022-06-23 | GILA RIVER POWER STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-06-23 | GILA RIVER POWER STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-06-23 | GILA RIVER POWER STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-06-23 | GILA RIVER POWER STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-06-22 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2022-06-21 | TUCSON ELECTRIC POWER-IRVINGTON | TUCSON, Pima, AZ | Pass | Local |
| 2022-06-19 | CHOLLA GENERATING STATION | JOSEPH CITY, Navajo, AZ | Pass | State |
| 2022-06-19 | CHOLLA GENERATING STATION | JOSEPH CITY, Navajo, AZ | Pass | State |
| 2022-06-15 | SALT RIVER PROJECT - SANTAN GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-06-08 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-06-08 | NORTHWEST REGIONAL LANDFILL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-06-07 | CORONADO GENERATING PLANT | SAINT JOHNS, Apache, AZ | Pass | State |
| 2022-06-07 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-06-06 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-06-06 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-06-06 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-05-26 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2022-05-26 | FREEPORT MCMORAN - MIAMI SMELTER | MIAMI, Gila, AZ | Pass | State |
| 2022-05-25 | GRIFFITH POWER PLANT | GRIFFITH, Mohave, AZ | Pass | State |
| 2022-05-24 | SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-05-20 | LINDE GAS & EQUIPMENT, INC. | KINGMAN, Mohave, AZ | Fail | State |
| 2022-05-20 | MOSS MINE | BULLHEAD CITY, Mohave, AZ | Pass | State |
| 2022-05-20 | APS OCOTILLO POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-05-18 | MESQUITE GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-05-17 | NEW HARQUAHALA GENERATING | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-05-17 | FREEPORT-MCMORAN SIERRITA | GREEN VALLEY, Pima, AZ | Pass | Local |
| 2022-05-12 | SALT RIVER PROJECT - SANTAN GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-05-06 | TUCSON ELECTRIC POWER-IRVINGTON | TUCSON, Pima, AZ | Pass | Local |
| 2022-05-05 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-04-26 | FREEPORT-MCMORAN SIERRITA | GREEN VALLEY, Pima, AZ | Pass | Local |
| 2022-04-21 | VULCAN ASPHALT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-04-19 | FREEPORT MCMORAN - MIAMI SMELTER | MIAMI, Gila, AZ | Pass | State |
| 2022-04-05 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-03-26 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-03-17 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-03-16 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | SAFFORD, Graham, AZ | Pass | State |
| 2022-03-11 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2022-03-09 | VALENCIA POWER PLANT | NOGALES, Santa Cruz, AZ | Pass | State |
| 2022-02-24 | SFPP-PHOENIX TERMINAL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-02-21 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Fail | Local |
| 2022-02-21 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-02-17 | EL PASO NATURAL GAS CO - FLAGSTAFF COMPRESSOR STATION | FLAGSTAFF, Coconino, AZ | Pass | State |
| 2022-02-16 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2022-02-16 | EL PASO NATURAL GAS CO - WILLIAMS COMPRESSOR STATION | WILLIAMS, Coconino, AZ | Pass | State |
| 2022-02-15 | EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION | SELIGMAN, Yavapai, AZ | Pass | State |
| 2022-02-11 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-02-10 | CIRCLE K TERMINAL | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-02-09 | EL PASO NATURAL GAS CO - DUTCH FLAT COMPRESSOR STATION | FRANCONIA, Mohave, 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.