EPA Air · by county
Air-emissions sources in Navajo County, Arizona
- 17Facilities
Every stationary source in Navajo 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 Navajo 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 Navajo 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 6
- 2025 — inspections 14
- 2024 — inspections 12
- 2023 — inspections 5
- 2022 — inspections 7
- 2021 — inspections 12
- 2020 — inspections 7
- 2019 — inspections 11
- 2018 — inspections 11
- 2017 — inspections 7
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ARIZONA DEPARTMENT OF TRANSPORTATION | Minor source | No |
| BOEING 400 PORTABLE HOT PLANT | Synthetic minor source | No |
| BRIMHALL SAND & GRAVEL - HARD LUCK MINE | Minor source | No |
| BRIMHALL SAND, ROCK & BLDG MATERIALS | Minor source | No |
| CHOLLA GENERATING STATION | Major source | No |
| CMI HOT ASPHALT | Minor source | No |
| COTTONWOOD WASH PORTABLE #1 | Synthetic minor source | No |
| COTTONWOOD WASH PORTABLE #2 | Synthetic minor source | No |
| EL PASO NATURAL GAS CO- DILKON | Major source | No |
| LINDEN HOT ASPHALT PLANT, LINDEN, ARIZONA | Synthetic minor source | No |
| NOVO BIOPOWER, LLC | Major source | No |
| OWENS PIT , SHOW LOW, ARIZONA | Synthetic minor source | No |
| OWENS PIT, SHOW LOW, ARIZONA | Synthetic minor source | No |
| PAINTED DESERT LANDFILL | Major source | No |
| PINON SCHOOL | Minor source | No |
| TAYLOR PIT | Synthetic minor source | No |
| TAYLOR PIT (C&S HATCH CONSTRUCTION & PAVING) | Synthetic minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.