EPA Air · inspections by county and year
Air-emissions inspections in Maricopa County, Arizona, 2026
- 178Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Maricopa County, Arizona during 2026. 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, 2026
Air-emissions inspections in Maricopa County, other years
Air-emissions inspections recorded in Maricopa County, Arizona, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-04-07 | SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file | FCE On-Site | Local |
| 2026-04-06 | TRENDWOOD | PCE On-Site | Local |
| 2026-04-06 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | PCE Off-Site | Local |
| 2026-04-03 | GOODRICH | PCE Off-Site | Local |
| 2026-04-03 | CIRCLE K TERMINAL | PCE Off-Site | Local |
| 2026-03-31 | PLATYPUS DEVELOPMENT | PCE Off-Site | Local |
| 2026-03-30 | REAL ALLOY ARIZONA | PCE Off-Site | Local |
| 2026-03-27 | OAK CANYON MANUFACTURING | PCE Off-Site | Local |
| 2026-03-25 | ME GLOBAL | FCE On-Site | U.S. EPA |
| 2026-03-24 | ARLINGTON VALLEY — high-priority violation on file | FCE On-Site | Local |
| 2026-03-19 | GILA RIVER POWER STATION — high-priority violation on file | PCE Off-Site | Local |
| 2026-03-19 | CMC STEEL FABRICATORS | PCE Off-Site | Local |
| 2026-03-16 | APS OCOTILLO POWER PLANT | FCE On-Site | Local |
| 2026-03-13 | SOLANA GENERATING STATION | PCE Off-Site | Local |
| 2026-03-12 | MICROSOFT CORP - CITRUS RD | FCE On-Site | Local |
| 2026-03-12 | SFPP-PHOENIX TERMINAL | PCE Off-Site | Local |
| 2026-03-12 | SFPP-PHOENIX TERMINAL | PCE Off-Site | Local |
| 2026-03-11 | PHX01 / PHX02 / PHX03 / PHX05 — high-priority violation on file | FCE On-Site | Local |
| 2026-03-06 | VULCAN MATERIALS — high-priority violation on file | FCE On-Site | U.S. EPA |
| 2026-03-05 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | FCE On-Site | U.S. EPA |
| 2026-03-03 | CMC STEEL FABRICATORS | FCE On-Site | U.S. EPA |
| 2026-03-03 | NINETY-FIRST AVENUE RENEWABLE BIOGAS | PCE On-Site | Local |
| 2026-03-02 | HONEYWELL AEROSPACE - PHOENIX ENGINES | PCE Off-Site | Local |
| 2026-03-02 | INSULFOAM — high-priority violation on file | PCE Off-Site | Local |
| 2026-03-02 | OAK CANYON MANUFACTURING | PCE Off-Site | Local |
| 2026-03-02 | SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file | PCE Off-Site | Local |
| 2026-03-02 | NEW WINCUP HOLDINGS — high-priority violation on file | FCE On-Site | U.S. EPA |
| 2026-02-27 | PALO VERDE NUCLEAR GENERATING STATION | PCE Off-Site | Local |
| 2026-02-27 | QUIKJET - MONROE I & II TERMINALS — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-26 | INTEL CORP CHANDLER CAMPUS (FAB 6) | PCE Off-Site | Local |
| 2026-02-26 | SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-26 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | FCE On-Site | Local |
| 2026-02-26 | BRIDGESTONE AMERICAS TIRE OPERATIONS — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-25 | MECP1 MESA INTERMEDIATE 1 | PCE Off-Site | Local |
| 2026-02-25 | TSMC PHOENIX PROJECT | PCE Off-Site | Local |
| 2026-02-25 | STONE APPLICATIONS | PCE Off-Site | Local |
| 2026-02-25 | CYRUSONE - CHANDLER | PCE Off-Site | Local |
| 2026-02-23 | ARIZONA STATE UNIVERSITY TEMPE CAMPUS — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-23 | ARIZONA STATE UNIVERSITY TEMPE CAMPUS — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-23 | 91ST AVE WASTEWATER TREATMENT PLANT | FCE On-Site | Local |
| 2026-02-20 | NEW HARQUAHALA GENERATING | PCE Off-Site | Local |
| 2026-02-18 | NEW WINCUP HOLDINGS — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-17 | PATRICIAN MARBLE — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-17 | VULCAN ASPHALT | FCE Off-Site | Local |
| 2026-02-13 | NORTHWEST REGIONAL LANDFILL | PCE Off-Site | Local |
| 2026-02-12 | BUTTERFIELD STATION FACILITY | PCE Off-Site | Local |
| 2026-02-12 | SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-12 | OLD TOWN FIBERGLASS — high-priority violation on file | FCE On-Site | Local |
| 2026-02-11 | ROGERS CORPORATION - ROOSEVELT AVE FACILITY — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-11 | MICROSOFT CORP - OLIVE AVE | PCE Off-Site | Local |
| 2026-02-11 | MICROSOFT CORP - CITRUS RD | PCE Off-Site | Local |
| 2026-02-11 | CORROSION ENGINEERING | PCE Off-Site | Local |
| 2026-02-11 | SFPP-PHOENIX TERMINAL | PCE Off-Site | Local |
| 2026-02-11 | ALLIED TUBE AND CONDUIT | PCE Off-Site | Local |
| 2026-02-10 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | PCE Off-Site | Local |
| 2026-02-10 | CIRCLE K TERMINAL | PCE Off-Site | Local |
| 2026-02-09 | HENRY PRODUCTS — high-priority violation on file | PCE Off-Site | Local |
| 2026-02-09 | MECP1 MESA INTERMEDIATE 1 | FCE On-Site | Local |
| 2026-02-06 | PHOENIX FACILITY | PCE Off-Site | Local |
| 2026-02-06 | FIREBIRD PRODUCTS | PCE Off-Site | Local |
| 2026-02-03 | HUGHES | FCE On-Site | State |
| 2026-02-03 | VULCAN MATERIALS — high-priority violation on file | FCE On-Site | Local |
| 2026-02-02 | MARLAM INDUSTRIES | PCE Off-Site | Local |
| 2026-02-02 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | PCE Off-Site | Local |
| 2026-01-30 | MAAX SPAS INDUSTRIES CORP | PCE Off-Site | Local |
| 2026-01-30 | BALL METAL BEVERAGE CONTAINER CORP | PCE Off-Site | Local |
| 2026-01-26 | OAKCRAFT | PCE Off-Site | Local |
| 2026-01-26 | APS REDHAWK GENERATING FACILITY | PCE Off-Site | Local |
| 2026-01-22 | MESA FULLY FORMED | PCE Off-Site | Local |
| 2026-01-22 | MESQUITE GENERATING STATION | PCE Off-Site | Local |
| 2026-01-22 | MESQUITE GENERATING STATION | PCE Off-Site | Local |
| 2026-01-21 | ME GLOBAL | PCE Off-Site | Local |
| 2026-01-21 | SWIM PLATFORMS | PCE Off-Site | Local |
| 2026-01-21 | NINETY-FIRST AVENUE RENEWABLE BIOGAS | PCE Off-Site | Local |
| 2026-01-09 | SUMCO SOUTHWEST CORPORATION — high-priority violation on file | PCE Off-Site | Local |
| 2026-01-08 | REAL ALLOY ARIZONA | PCE On-Site | Local |
| 2026-01-07 | QUIKJET - MONROE I & II TERMINALS — high-priority violation on file | FCE On-Site | Local |
| 2026-01-05 | PEORIA PIT | FCE On-Site | Local |
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Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.