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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Maricopa, AZ, in 2023. It lists 39 stack tests recorded in 2023.