EPA Air · violations by county and year
High-priority air violations in Maricopa County, Arizona, 2024
- 35Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Each row below is one violation recorded against a source in Maricopa County, Arizona during 2024. 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, 2024
- Inspections 146
- Stack tests 53
High-priority air violations in Maricopa County, other years
High-priority air violations recorded in Maricopa County, Arizona, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-12-13 | NEW HARQUAHALA GENERATING | HPV day-zero determination | Local |
| 2024-12-11 | PHX01 / PHX02 / PHX03 / PHX05 — high-priority violation on file | Earliest FRV determination | Local |
| 2024-11-19 | HUGHES | HPV day-zero determination | State |
| 2024-10-23 | DOUGLAS HOT-MIX ASPHALT PLANT | HPV day-zero determination | State |
| 2024-10-04 | SALT RIVER PROJECT - SANTAN GENERATING STATION | Earliest FRV determination | Local |
| 2024-09-24 | INSULFOAM — high-priority violation on file | Earliest FRV determination | Local |
| 2024-09-19 | UNITED DAIRYMEN OF ARIZONA | Earliest FRV determination | Local |
| 2024-09-19 | REAL ALLOY ARIZONA | Earliest FRV determination | Local |
| 2024-09-06 | MICROSOFT CORP - BROADWAY RD | Earliest FRV determination | Local |
| 2024-09-03 | NEW HARQUAHALA GENERATING | Earliest FRV determination | Local |
| 2024-08-14 | CMC STEEL FABRICATORS | Earliest FRV determination | Local |
| 2024-08-06 | NEW HARQUAHALA GENERATING | Earliest FRV determination | Local |
| 2024-08-06 | HENRY PRODUCTS — high-priority violation on file | Earliest FRV determination | Local |
| 2024-07-19 | MESQUITE GENERATING STATION | Earliest FRV determination | Local |
| 2024-07-19 | UNITED DAIRYMEN OF ARIZONA | Earliest FRV determination | Local |
| 2024-07-19 | MICROSOFT CORP - OLIVE AVE | Earliest FRV determination | Local |
| 2024-07-12 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | Earliest FRV determination | Local |
| 2024-07-12 | NEW WINCUP HOLDINGS — high-priority violation on file | Earliest FRV determination | Local |
| 2024-06-21 | SALT RIVER PROJECT - SANTAN GENERATING STATION | Earliest FRV determination | Local |
| 2024-06-21 | COMPASS DATACENTERS PHX I — high-priority violation on file | Earliest FRV determination | Local |
| 2024-06-03 | HENRY PRODUCTS — high-priority violation on file | Earliest FRV determination | Local |
| 2024-05-10 | APS OCOTILLO POWER PLANT | Earliest FRV determination | Local |
| 2024-04-11 | CMC STEEL FABRICATORS | Earliest FRV determination | Local |
| 2024-03-19 | MAAX SPAS INDUSTRIES CORP | Earliest FRV determination | Local |
| 2024-03-19 | FIREBIRD PRODUCTS | Earliest FRV determination | Local |
| 2024-03-01 | CYRUSONE - CHANDLER | Earliest FRV determination | Local |
| 2024-02-21 | NEW WINCUP HOLDINGS — high-priority violation on file | Earliest FRV determination | Local |
| 2024-02-21 | PEORIA PIT | Earliest FRV determination | Local |
| 2024-02-21 | GILA RIVER POWER STATION — high-priority violation on file | Earliest FRV determination | Local |
| 2024-02-07 | GOLD BOND BUILDING PRODUCTS — high-priority violation on file | Earliest FRV determination | Local |
| 2024-02-07 | SALT RIVER PROJECT - SANTAN GENERATING STATION | Earliest FRV determination | Local |
| 2024-02-01 | ARLINGTON VALLEY — high-priority violation on file | Earliest FRV determination | Local |
| 2024-02-01 | GLENDALE MUN SANITARY LANDFILL/FLD OPER — high-priority violation on file | Earliest FRV determination | Local |
| 2024-01-24 | CMC STEEL FABRICATORS | Earliest FRV determination | Local |
| 2024-01-09 | TRENDWOOD | Earliest FRV determination | Local |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.