Revised On: Jun. 25th, 2026 - 11:29 am
Energy Fuels Resources, Inc., and ADEQ have entered into a Changed Application Agreement for an ‘other’ amendment to the Aquifer Protection Program (APP) Permit for Pinyon Plain Mine, to revise the Alert Level and Aquifer Quality Limit after monitoring indicated a change in arsenic concentrations in groundwater that were not due to the addition of pollutants to the aquifer from the facility’s discharge. The facility is located approximately six miles south-southeast of Tusayan in Coconino County, Arizona.
APP Permit No.: 100333
The requirements in this permit will allow the permittee to comply with the two key requirements of the APP: 1) meet Aquifer Water Quality Standards at the Point of Compliance; and 2) demonstrate Best Available Demonstrated Control Technology.
Permittee:
Energy Fuels Resources, Inc.
Facility:
Pinyon Plain Mine
Highway AZ-64, Mile Marker 226.75, Forest Service Road 305
Tusayan, Arizona 86023
Coconino County
Review Documents:
Questions?
* Changes to this Notice: Clarification that ADEQ and Energy Fuels Resources, Inc., have entered into a Changed Application Agreement which changes the category for LTF 113481 to an "Other" amendment. The original Public Notice was published June 23, 2026 | View Original >
