EPA Air · by county
Air-emissions sources in Undetermined County, Utah
- 46Facilities
Every stationary source in Undetermined 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 Undetermined 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 Undetermined 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 22
- 2025 inspections 25
- 2024 inspections 21
- 2023 inspections 24
- 2022 inspections 21
- 2021 inspections 21
- 2020 inspections 23
- 2019 inspections 25
- 2018 inspections 25
- 2017 inspections 30
Violations in Undetermined County, by year
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.
Stack tests in Undetermined County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 8
- 2025 stack tests 51
- 2024 stack tests 38
- 2023 stack tests 53
- 2022 stack tests 42
- 2021 stack tests 40
- 2020 stack tests 39
- 2019 stack tests 48
- 2018 stack tests 36
- 2017 stack tests 34
Inspections in Undetermined County, year by year · Violations in Undetermined County, year by year · Stack tests in Undetermined County, year by year
Other counties in Utah
Every county in the state with at least three sources on file.
- Box Elder County 7
- 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
- Utah County 18
- Washington County 4
- Weber County 7
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ACTION PLUMBING & HEATING | Minor source | No |
| AMOCO PRODUCTION | Synthetic minor source | No |
| AMRIZE SOUTHWEST INC.- ROCKPORT AGGREGATE FACILITY/FORMERLY UTELITE | Major source | No |
| ASH GROVE CEMENT | Major source | No |
| AUTO AIR SPECIALST | Minor source | No |
| BILL BARRETT | Minor source | No |
| CANYON FUEL COMPANY/FORMER UTAH FUEL | Synthetic minor source | No |
| CHEVRON USA | Major source | No |
| CHIPETA GAS PLANT | Major source | No |
| COMPASS MINERALS | Major source | No |
| CONSOLIDATED URANIUM RESOURCES - TONY M MINE (FORMERLY ENERGY FUELS - TONY M) | Major source | No |
| DELTA PETROLEUM CORPORATION | Minor source | No |
| DOLES ICE | Minor source | No |
| DOMINION - HILL CREEK CS | Minor source | No |
| EAST CARBON DEVELOPMENT CORPORATION | Major source | No |
| ENERVEST CORPORATION | Minor source | No |
| ENERVEST/BILL BARRETT CORP | Minor source | No |
| EP ENERGY E&P COMPANY/EL PASO | Emissions classification unknown | No |
| EP ENERGY E&P COMPANY/EL PASO | Emissions classification unknown | No |
| ETC CANYON PIPELINE/WILDHORSE/KN | Synthetic minor source | No |
| GREEN NATURAL VENTURES, LLC LISBON (FORMERLY PARADOX MIDSTREAM) | Major source | No |
| GREEN RIVER SAND AND GRAVEL | Minor source | No |
| HILL AIR FORCE BASE - POSEIDON DISPOSAL | Major source | No |
| IRONHORSE COMPLEX | Major source | No |
| KENT HANSEN TEXACO SERVICE | Minor source | No |
| KERN RIVER VEYO | Major source | No |
| MATERION NATURAL RESOURCES/BRUSH WELLMAN | Major source | No |
| MOUNTAIN WEST PIPELINE - KASTLER (FORMERLY DOMINION ENERGY) | Major source | No |
| NORTH ALGER COMPRESSOR STATION | Minor source | No |
| NORTH HILL CREEK COMPRESSOR STATION | Major source | No |
| NORTHWEST PIPELINE - MOAB STATION | Major source | No |
| PACIFICORP HUNTER | Major source | No |
| PONDEROSA COMPRESSOR STATION | Synthetic minor source | No |
| QUESTAR E&P - SULFA TREAT UNIT | Minor source | No |
| RW CENTRAL BATTERY | Minor source | No |
| ST. GEORGE POWER MILLCREEK/RED ROCK | Major source | No |
| TEKOI LANDFILL | Major source | No |
| TICABOO UTILITY IMPROVEMENT DISTRICT | Minor source | No |
| UTAH ASSOCIATED MUNICIPAL POWER | Major source | No |
| WAPITI OPERATING LLC | Major source | No |
| WAPITI OPERATING LLC | Major source | No |
| WAPITI OPERATING LLC | Major source | No |
| WASATCH REGIONAL LANDFILL | Major source | No |
| WASHINGTON COUNTY SOLID WASTE | Major source | No |
| WESTINGHOUSE ELECTRIC COMPANY LLC. | Major source | No |
| ZEIGLER CHEMICAL AND MINERAL PRODUCTION | Synthetic minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Undetermined county, UT. It lists 46 facilities and 25 major sources.