EPA Air · by county
Air-emissions sources in Box Elder County, Utah
- 7Facilities
Every stationary source in Box Elder County, Utah 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 Box Elder 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 Box Elder 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 4
- 2024 — inspections 3
- 2023 — inspections 5
- 2022 — inspections 4
- 2021 — inspections 3
- 2020 — inspections 3
- 2019 — inspections 5
- 2018 — inspections 4
- 2017 — inspections 5
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AUTOLIV ASP/AUTO SAFETY | Minor source | No |
| NORTHRUP GRUMMAN SYSTEMS - PROMONTORY (FORMERLY ATK) | Major source | No |
| NUCOR STEEL | Major source | No |
| PROCTER & GAMBLE PAPER PRODUCTS | Major source | No |
| TREMONTON HEATING AND A/C | Minor source | No |
| VULCRAFT | Major source | No |
| WESTERN METALS RECYCLING LLC | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.