EPA Air · by county
Air-emissions sources in Box Elder County, Utah
- 7Facilities
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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.
Every source’s record in Box Elder County
Each of the 7 operating major, synthetic minor and minor sources in Box Elder County, Utah has a record page: every source in Box Elder County, A to Z.
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
Stack tests in Box Elder County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 5
- 2024 stack tests 5
- 2023 stack tests 8
- 2022 stack tests 3
- 2021 stack tests 3
- 2020 stack tests 5
- 2019 stack tests 5
- 2018 stack tests 6
- 2017 stack tests 4
Inspections in Box Elder County, year by year · Stack tests in Box Elder County, year by year
Other counties in Utah
Every county in the state with at least three sources on file.
- Cache County 5
- Carbon County 3
- Davis County 15
- Duchesne County 92
- Iron County 7
- Salt Lake County 84
- San Juan County 8
- Tooele County 8
- Uintah County 299
- Undetermined County 46
- Utah County 18
- Washington County 4
- Weber County 7
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.