EPA Air · stack tests by state and year
Air-emissions stack tests in Utah, 2023
- 196Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Utah during 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Utah, 2023
- Undetermined County 53
- Duchesne County 39
- Uintah County 25
- Davis County 21
- Salt Lake County 20
- Millard County 9
- Box Elder County 8
- Utah County 7
- Emery County 4
- Morgan County 4
- Juab County 3
Utah, other years
Air-emissions stack tests recorded in Utah, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-12-22 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-12-22 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-12-21 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-12-20 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-12-20 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-12-18 | IRONHORSE COMPLEX | UTAH, Undetermined, UT | Pass | U.S. EPA |
| 2023-12-15 | BIG WEST OIL | NORTH SALT LAKE, Davis, UT | Pass | State |
| 2023-12-15 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-12-15 | CENTRAL VALLEY WATER RECLAMATION | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2023-12-14 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-12-14 | CENTRAL VALLEY WATER RECLAMATION | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2023-12-07 | HILL AIR FORCE BASE | CLEARFIELD, Davis, UT | Pass | State |
| 2023-12-05 | WASATCH INTEGRATED WASTE MANAGEMENT | LAYTON, Davis, UT | Pass | State |
| 2023-12-05 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-11-28 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-11-28 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-11-28 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-11-28 | U.S. MAGNESIUM L.L.C/MAGCORP — high-priority violation on file | ROWLEY, Tooele, UT | Pass | State |
| 2023-11-23 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-22 | SUNNYSIDE COGENERATION | SUNNYSIDE, Carbon, UT | Pass | State |
| 2023-11-21 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-11-21 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-20 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-16 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-15 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-14 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-02 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-11-01 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-10-31 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-10-27 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-10-26 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-10-26 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-25 | KINDER MORGAN LLC - ALTAMONT EAST | ALTAMONT, Duchesne, UT | Pass | State |
| 2023-10-25 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-10-25 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-10-25 | COMPASS MINERALS | UTAH, Undetermined, UT | Pending | State |
| 2023-10-24 | KINDER MORGAN ALTAMONT - SOUTH | DUCHESNE, Duchesne, UT | Pass | State |
| 2023-10-24 | KINDER MORGAN ALTAMONT - SOUTH | DUCHESNE, Duchesne, UT | Pass | State |
| 2023-10-24 | KINDER MORGAN ALTAMONT - SOUTH | DUCHESNE, Duchesne, UT | Pass | State |
| 2023-10-24 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-10-24 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-24 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-20 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-19 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-18 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-17 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-16 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-12 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-11 | BONANZA POWER PLANT | BONANZA, Uintah, UT | Pass | U.S. EPA |
| 2023-10-11 | COMPASS MINERALS | UTAH, Undetermined, UT | Fail | State |
| 2023-10-10 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-05 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-10-04 | BONANZA POWER PLANT | BONANZA, Uintah, UT | Pass | U.S. EPA |
| 2023-10-04 | BONANZA POWER PLANT | BONANZA, Uintah, UT | Pass | U.S. EPA |
| 2023-10-04 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-09-28 | KINDER MORGAN LLC - MAIN GAS PLANT | ALTAMONT, Duchesne, UT | Pass | State |
| 2023-09-28 | MATERION NATURAL RESOURCES/BRUSH WELLMAN | UTAH, Undetermined, UT | Pass | State |
| 2023-09-28 | MATERION NATURAL RESOURCES/BRUSH WELLMAN | UTAH, Undetermined, UT | Pass | State |
| 2023-09-26 | KINDER MORGAN LLC - MAIN GAS PLANT | ALTAMONT, Duchesne, UT | Pass | State |
| 2023-09-26 | KINDER MORGAN LLC - MAIN GAS PLANT | ALTAMONT, Duchesne, UT | Pass | State |
| 2023-09-26 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2023-09-26 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2023-09-14 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2023-09-13 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2023-09-07 | BONANZA POWER PLANT | BONANZA, Uintah, UT | Pass | U.S. EPA |
| 2023-09-06 | TESORO WEST COAST/FORMER BP AMOCO | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2023-09-01 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-08-30 | IRONHORSE COMPLEX | UTAH, Undetermined, UT | Pass | U.S. EPA |
| 2023-08-30 | IRONHORSE COMPLEX | UTAH, Undetermined, UT | Pass | U.S. EPA |
| 2023-08-30 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-08-30 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-08-25 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2023-08-23 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2023-08-23 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-08-23 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-08-22 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2023-08-18 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2023-08-17 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-08-15 | COTTONWOOD WASH COMPRESSOR STATION | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2023-08-15 | COTTONWOOD WASH COMPRESSOR STATION | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2023-08-10 | WASATCH INTEGRATED WASTE MANAGEMENT | LAYTON, Davis, UT | Fail | State |
| 2023-08-10 | GRAYMONT WESTERN (CONTINENTAL LIME) | DELTA, Millard, UT | Pass | State |
| 2023-08-09 | GRAYMONT WESTERN (CONTINENTAL LIME) | DELTA, Millard, UT | Pass | State |
| 2023-08-09 | GRAYMONT WESTERN (CONTINENTAL LIME) | DELTA, Millard, UT | Pass | State |
| 2023-08-09 | GRAYMONT WESTERN (CONTINENTAL LIME) | DELTA, Millard, UT | Pass | State |
| 2023-08-08 | GRAYMONT WESTERN (CONTINENTAL LIME) | DELTA, Millard, UT | Pass | State |
| 2023-08-04 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2023-08-04 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2023-08-01 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2023-08-01 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2023-07-21 | AMRIZE CEMENT/FORMERLY HOLCIM (US), INC. — high-priority violation on file | MORGAN, Morgan, UT | Pass | State |
| 2023-07-21 | AMRIZE CEMENT/FORMERLY HOLCIM (US), INC. — high-priority violation on file | MORGAN, Morgan, UT | Pass | State |
| 2023-07-21 | AMRIZE CEMENT/FORMERLY HOLCIM (US), INC. — high-priority violation on file | MORGAN, Morgan, UT | Pass | State |
| 2023-07-20 | WAPITI OPERATING LLC | UTAH, Undetermined, UT | Pass | State |
| 2023-07-20 | WAPITI OPERATING LLC | UTAH, Undetermined, UT | Pass | State |
| 2023-07-20 | MOUNTAIN WEST PIPELINE - KASTLER (FORMERLY DOMINION ENERGY) | UTAH, Undetermined, UT | Pass | State |
| 2023-07-20 | MOUNTAIN WEST PIPELINE - KASTLER (FORMERLY DOMINION ENERGY) | UTAH, Undetermined, UT | Pass | State |
| 2023-07-19 | WAPITI OPERATING LLC | UTAH, Undetermined, UT | Pass | State |
| 2023-07-19 | WAPITI OPERATING LLC | UTAH, Undetermined, UT | Pass | State |
| 2023-07-18 | ANTELOPE FLATS/SAND WASH COMPRESSOR STATIONS & SOUTH CENTRAL TANK BATTERY | VERNAL, Uintah, UT | Pass | U.S. EPA |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.