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Domestic Uranium Production Report - Annual

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Table 4. U.S. uranium mills and heap leach facilities by owner, location, capacity, and operating status at end of the year, 2018–22
Owner Mill and Heap Leach1 Facility name County, state (existing and planned locations) Capacity (short tons of ore per day) Operating status at end of the year
2018 2019 2020 2021 2022
Anfield Resources Shootaring Canyon Uranium Mill Garfield, Utah 750 standby standby standby standby standby
EFR White Mesa LLC White Mesa Mill San Juan, Utah 2,000 operating-processing alternate feed standby operating-processing alternate feed standby operating-processing alternate feed
Energy Fuels Wyoming Inc Sheep Mountain Fremont, Wyoming 725 undeveloped undeveloped undeveloped undeveloped undeveloped
Kennecott Uranium Company/Wyoming Coal Resource Company Sweetwater Uranium Project Sweetwater, Wyoming 3,000 standby standby standby standby standby
Total capacity: 6,475
1 Heap leach solutions: The separation, or dissolving-out from mined rock, of the soluble uranium constituents by the natural action of percolating a prepared chemical solution through mounded (heaped) rock material. The mounded material usually contains low grade mineralized material and/or waste rock produced from open pit or underground mines. The solutions are collected after percolation is completed and processed to recover the valued components.
Notes: Capacity for 2022. An operating status of Operating indicates the mill usually was producing uranium concentrate at the end of the period.
Data source: U.S. Energy Information Administration: Form EIA-851A, Domestic Uranium Production Report (2018–22)