EPA Air · stack tests by county and year
Air-emissions stack tests in Maricopa County, Arizona, 2023
- 39Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Maricopa County, Arizona during 2023. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Maricopa County facility page.
Maricopa County, Arizona, 2023
Air-emissions stack tests in Maricopa County, other years
Air-emissions stack tests recorded in Maricopa County, Arizona, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-12-06 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | Pass | Local |
| 2023-11-30 | REAL ALLOY ARIZONA | Pass | Local |
| 2023-11-21 | CMC STEEL FABRICATORS | Fail | Local |
| 2023-09-22 | MICROSOFT CORP - OLIVE AVE | Pass | Local |
| 2023-09-21 | NORTHWEST REGIONAL LANDFILL | Pass | Local |
| 2023-09-19 | CMC STEEL FABRICATORS | Pass | Local |
| 2023-09-07 | CEDAR HILLS QUARRY | Pass | State |
| 2023-08-21 | ARLINGTON VALLEY — high-priority violation on file | Pass | Local |
| 2023-08-10 | APS REDHAWK GENERATING FACILITY | Pass | Local |
| 2023-08-04 | APS WEST PHX POWER PLANT | Pass | Local |
| 2023-07-31 | APS OCOTILLO POWER PLANT | Pass | Local |
| 2023-07-13 | CEDAR HILLS QUARRY | Fail | State |
| 2023-07-13 | APS WEST PHX POWER PLANT | Pass | Local |
| 2023-06-29 | GILA RIVER POWER STATION — high-priority violation on file | Pending | Local |
| 2023-06-28 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | Pending | Local |
| 2023-06-22 | NEW HARQUAHALA GENERATING | Pending | Local |
| 2023-06-09 | SOLANA GENERATING STATION | Pending | Local |
| 2023-05-31 | QUIKJET - MONROE I & II TERMINALS — high-priority violation on file | Pending | Local |
| 2023-05-26 | SALT RIVER PROJECT - SANTAN GENERATING STATION | Pending | Local |
| 2023-05-22 | VULCAN - PRESCOTT VALLEY HMA PLANT | Pass | State |
| 2023-05-17 | SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file | Pending | Local |
| 2023-05-11 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | Pending | Local |
| 2023-05-10 | GRAY MOUNTAIN HMA PLANT | Pass | State |
| 2023-04-20 | SFPP-PHOENIX TERMINAL | Pending | Local |
| 2023-04-13 | MESQUITE GENERATING STATION | Pending | Local |
| 2023-04-06 | BALL METAL BEVERAGE CONTAINER CORPORATION — high-priority violation on file | Pending | Local |
| 2023-03-31 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | Pending | Local |
| 2023-03-23 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | Pass | Local |
| 2023-03-22 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | Pass | Local |
| 2023-03-21 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | Pass | Local |
| 2023-03-10 | GILA RIVER POWER STATION — high-priority violation on file | Pending | Local |
| 2023-03-10 | GILA RIVER POWER STATION — high-priority violation on file | Pending | Local |
| 2023-02-24 | CMC STEEL FABRICATORS | Pending | Local |
| 2023-02-23 | VULCAN MATERIALS - YUMA ASPHALT | Pass | State |
| 2023-02-08 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | Pending | Local |
| 2023-02-08 | GILA RIVER POWER STATION — high-priority violation on file | Pending | Local |
| 2023-02-03 | CIRCLE K TERMINAL | Pending | Local |
| 2023-01-21 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | Pending | Local |
| 2023-01-17 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | Pending | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.