EPA Air · by county
Air-emissions sources in Maricopa County, Arizona
- 256Facilities
Every stationary source in Maricopa County, Arizona that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Maricopa County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Maricopa County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 178
- 2025 — inspections 199
- 2024 — inspections 146
- 2023 — inspections 90
- 2022 — inspections 112
- 2021 — inspections 70
- 2020 — inspections 89
- 2019 — inspections 72
- 2018 — inspections 92
- 2017 — inspections 88
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| GRANITE CONSTRUCTION CO - BABACOMARI ASP | Synthetic minor source | No |
| GRANITE/SUNDT | Minor source | No |
| GRAY MOUNTAIN HMA PLANT | Synthetic minor source | No |
| HANCOCK MTH COMMUNITIES, INC | Minor source | No |
| HANSON AGGREGATES - ASPHALT BATCH PLANT | Synthetic minor source | No |
| HATCH CONSTRUCTION & PAVING - ASPHALT #6 | Synthetic minor source | No |
| HATCH CONSTRUCTION & PAVING - ASPHALT PL | Synthetic minor source | No |
| HENRY PRODUCTS | Synthetic minor source | Yes |
| HOLBROOK YARD | Synthetic minor source | No |
| HOLIDAY INN (OLD TOWN SCOTTSDALE) | Minor source | No |
| HONEYWELL AEROSPACE - PHOENIX ENGINES | Major source | No |
| HUGHES | Synthetic minor source | No |
| HYDRO EXTRUSION USA | Synthetic minor source | No |
| IDRA INC | Minor source | No |
| IGER BYPASS TRUST | Minor source | No |
| IMPERIAL LITHOGRAPHY | Minor source | No |
| INDUSTRIAL COATING & PLATING | Minor source | No |
| INSULFOAM | Synthetic minor source | Yes |
| INTEL CORP - OCOTILLO CAMPUS | Major source | Yes |
| INTEL CORP CHANDLER CAMPUS (FAB 6) | Synthetic minor source | No |
| IS DEVELOPMENT | Minor source | No |
| JOE E. WOODS INC | Minor source | No |
| KALIL BOTTLING CO | Minor source | No |
| KAUFMAN & BROAD | Minor source | No |
| KAUFMAN & BROAD | Minor source | No |
| KILAUEA CRUSHERS INC | Minor source | No |
| KOEHLER ENTERPRISES INC - ACI | Major source | No |
| KOLL/S.A.B | Minor source | No |
| LAFARGE NORTH AMERICA | Minor source | No |
| LEJAS CORP | Minor source | No |
| LENNAR COMMUNITIES DEVELOPMENT | Minor source | No |
| LMK_PHX | Synthetic minor source | No |
| LUKE AFB - 56TH FIGHTER WING | Major source | Yes |
| LVI ENVIRONMENTAL SERVICES INC | Minor source | No |
| M R TANNER MINING INC | Minor source | No |
| MAAX SPAS INDUSTRIES CORP | Major source | No |
| MARACAY HOMES | Minor source | No |
| MARICOPA READY MIX CONCRETE | Minor source | No |
| MARLAM INDUSTRIES | Major source | No |
| MATERIAL DELIVERY INC | Minor source | No |
| MCCORMICK CONSTRUCTION - LAKE HAVASU ASP | Synthetic minor source | No |
| ME GLOBAL | Synthetic minor source | No |
| MEADOW VALLEY - HOT MIX ASPHALT PORTABLE | Synthetic minor source | No |
| MEADOW VALLEY CONTRACTORS - ASPHALT BLEN | Minor source | No |
| MECP1 MESA INTERMEDIATE 1 | Synthetic minor source | No |
| MERIT 2 | Minor source | No |
| MESA FULLY FORMED | Major source | No |
| MESQUITE GENERATING STATION | Major source | No |
| METALS MANAGEMENT | Minor source | No |
| MICROSOFT CORP - BROADWAY RD | Synthetic minor source | No |
| MICROSOFT CORP - CITRUS RD | Synthetic minor source | No |
| MICROSOFT CORP - OLIVE AVE | Synthetic minor source | No |
| MONTEREY HOMES | Minor source | No |
| NATIONAL SPECIALITY AGGREGATES LLC | Minor source | No |
| NELTEC INC | Minor source | No |
| NEW HARQUAHALA GENERATING | Major source | No |
| NEW WINCUP HOLDINGS | Major source | Yes |
| NINETY-FIRST AVENUE RENEWABLE BIOGAS | Synthetic minor source | No |
| NORTH CENTER STREET_LANDFILL | Minor source | No |
| NORTHWEST REGIONAL LANDFILL | Major source | No |
| NXP SEMICONDUCTORS | Synthetic minor source | No |
| OAK CANYON MANUFACTURING | Major source | No |
| OAKCRAFT | Synthetic minor source | No |
| OLD TOWN FIBERGLASS | Synthetic minor source | Yes |
| PALO VERDE NUCLEAR GENERATING STATION | Synthetic minor source | No |
| PAPAGO PLATING | Minor source | No |
| PATRICIAN MARBLE | Synthetic minor source | Yes |
| PAYSON CONCRETE AND MATERIALS HOT MIX PL | Synthetic minor source | No |
| PEORIA PIT | Synthetic minor source | No |
| PHOENIX DATA CENTER | Synthetic minor source | No |
| PHOENIX DEMOLITION | Minor source | No |
| PHOENIX FACILITY | Synthetic minor source | No |
| PHOENIX METALCRAFT | Minor source | No |
| PHOENIX PD | Minor source | No |
| PHOENIX SAN-MAN INC | Minor source | No |
| PHX01 / PHX02 / PHX03 / PHX05 | Synthetic minor source | Yes |
| PIMALCO | Major source | No |
| PLANT 2 - BUESING CORP | Minor source | No |
| PLANT 3 - BUESING CORP | Minor source | No |
| PLATYPUS DEVELOPMENT | Synthetic minor source | No |
| PONTEGRAPHICS | Minor source | No |
| PORTABLE ASPHALT PLANT 2 | Synthetic minor source | No |
| PORTABLE HMA PLANT 4 | Synthetic minor source | No |
| PULICE CONSTRUCTION INC | Minor source | No |
| PULTY HOMES | Minor source | No |
| QTS GLENDALE I | Synthetic minor source | No |
| QUIKJET - MONROE I & II TERMINALS | Synthetic minor source | Yes |
| RAVEN ROCK CONSTRUCTION, L.L.C | Minor source | No |
| REAL ALLOY ARIZONA | Synthetic minor source | No |
| RED MOUNTAIN MINING INC | Minor source | No |
| REVOLUTION INDUSTRIAL | Synthetic minor source | No |
| RICHMOND AMERICAN HOMES | Minor source | No |
| ROBERTSON FUEL SYSTEMS | Synthetic minor source | No |
| ROGERS CORP/ADVANCED CIRCUIT MATERIALS | Minor source | No |
| ROGERS CORPORATION - ROOSEVELT AVE FACILITY | Synthetic minor source | Yes |
| ROMIC ENVIRONMENTAL TECHNOLOGIES | Minor source | No |
| RYLAND CONSTRUCTION | Minor source | No |
| SALT RIVER LANDFILL | Major source | No |
| SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | Major source | No |
| SALT RIVER PROJECT - KYRENE GENERATING STATION | Major source | Yes |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.