EPA Air · by county
Air-emissions sources in Coconino County, Arizona
- 16Facilities
Every stationary source in Coconino 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 Coconino 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 Coconino 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 4
- 2025 — inspections 10
- 2024 — inspections 13
- 2023 — inspections 11
- 2022 — inspections 8
- 2021 — inspections 14
- 2020 — inspections 7
- 2019 — inspections 3
- 2018 — inspections 8
- 2017 — inspections 7
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ACI- CCPW | Minor source | No |
| BUTLER SHELL | Minor source | No |
| CINDER LAKE LANDFILL | Major source | No |
| EL PASO NATURAL GAS CO - FLAGSTAFF COMPRESSOR STATION | Major source | No |
| EL PASO NATURAL GAS CO - WILLIAMS COMPRESSOR STATION | Major source | No |
| EL PASO NATURAL GAS CO-LEUPP | Major source | No |
| FLAGSTAFF PETROLEUM PRODUCTS DISTRIBUTION TERMINAL | Synthetic minor source | No |
| FREDONIA STANDBY FACILITY | Synthetic minor source | No |
| NESTLE PURINA PETCARE | Synthetic minor source | No |
| NORTHERN ARIZONA UNIVERSITY | Synthetic minor source | No |
| PAGE STEEL COMPANY | Synthetic minor source | Yes |
| POWELL SUBSTATION DIESEL PROJECT | Synthetic minor source | No |
| QUESTAR (FORMERLY FOUR CORNERS PIPELINE) | Minor source | No |
| TRANSWESTERN PIPELINE - FLAGSTAFF COMPRESSOR STATION | Major source | No |
| TRANSWESTERN PIPELINE CO-LEUPP | Major source | No |
| WINDFALL SAWMILL | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.