Piņon Ridge Mill

The Piñon Ridge Mill is a proposed uranium and vanadium mill, located in Western Montrose County, Colorado. This new facility would process uranium and vanadium ore from area mines. Utilizing modern technologies and operating under a stringent regulatory environment, the Piñon Ridge Mill would be the first conventional uranium mill built in the US in over 30 years. Energy Fuels acquired the property for the Piñon Ridge Mill in July of 2007. The site was selected, because it meets the strict environmental criteria set by the State of Colorado. It is also in the heart of the Uravan Mineral Belt, a historically significant uranium producing area. In fact, there are a number of recently producing mines within sight of the mill.

The Radioactive Materials License for the Piñon Ridge Mill was approved by the Colorado Department of Public Health and Environment (CDPHE) on April 25, 2013. The link below connects to the CDPHE website with Energy Fuels’ license and decision documents.


The Radioactive Materials License and Air Permit approvals from CDPHE and the Special Use Permit granted by Montrose County in September of 2009 are the principal government approvals needed for Energy Fuels to construct and operate the Piñon Ridge Mill.

Mill Site Layout