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 |
|---|---|---|---|---|
| 2024-04-01 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2024-03-27 | SFPP-PHOENIX TERMINAL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-03-26 | FREEPORT MCMORAN - MIAMI SMELTER | MIAMI, Gila, AZ | Pass | State |
| 2024-03-25 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-03-14 | UNITED DAIRYMEN OF ARIZONA | MARICOPA COUNTY, Maricopa, AZ | Fail | Local |
| 2024-03-13 | HENRY PRODUCTS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Fail | Local |
| 2024-03-05 | HUGHES | PHOENIX, Maricopa, AZ | Pending | State |
| 2024-03-01 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-02-29 | CHOLLA GENERATING STATION | JOSEPH CITY, Navajo, AZ | Pass | State |
| 2024-02-29 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-02-22 | NORTHWEST REGIONAL LANDFILL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-02-20 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2024-02-20 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2024-02-16 | PINTO VALLEY MINE | MIAMI, Gila, AZ | Pass | State |
| 2024-02-13 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2024-02-06 | EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION | SELIGMAN, Yavapai, AZ | Pass | State |
| 2024-02-02 | FREEPORT MCMORAN - MIAMI SMELTER | MIAMI, Gila, AZ | Pass | State |
| 2024-02-02 | CIRCLE K TERMINAL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-01-30 | EL PASO NATURAL GAS CO - DUTCH FLAT COMPRESSOR STATION | FRANCONIA, Mohave, AZ | Pass | State |
| 2024-01-25 | EL PASO NATURAL GAS CO - ALAMO LAKE COMPRESSOR STATION | ALAMO CROSSING (HISTORICAL), La Paz, AZ | Pass | State |
| 2024-01-25 | SOUTHWEST REGIONAL LANDFILL — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-01-24 | EL PASO NATURAL GAS CO - WENDEN COMPRESSOR STATION | CENTENNIAL, La Paz, AZ | Pass | State |
| 2024-01-18 | EL PASO NATURAL GAS - WILLCOX COMPRESSOR STATION | WILLCOX, Cochise, AZ | Pass | State |
| 2024-01-17 | EL PASO NATURAL GAS - WILLCOX COMPRESSOR STATION | WILLCOX, Cochise, AZ | Pass | State |
| 2024-01-10 | NATURESWEET USA, LLC - WILLCOX FACILITY | WILLCOX, Graham, AZ | Pass | State |
| 2024-01-04 | VULCAN MATERIALS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.