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
Owner	Mill and Heap Leach¹ Facility name	County, state (existing and planned locations)	Capacity (short tons of ore per day)	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)