Cotter Uranium Mill (State of Colorado)
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1.0 Site Identification
|Type of Site:||Unknown|
|Location:||Canyon City, CO|
2.0 Site Status Summary
Site consists of a uranium mill and two impoundments (approx 100 acres), ore storage pads and numerous buildings on approximately 2500 acres adjacent to Canon City and unincorporated Lincoln Park. Colorado amended the license for the Cotter mill from a "previously operating" license to a "decommissioning" license in 2014. Colorado issued the license by changing the license conditions to possess ores and tailings only and authorize decommissioning activities.
3.0 Major Technical or Regulatory Issues
Ubiquitous onsite groundwater contamination currently being collected in active groundwater capture system; no long term solution defined. Studies continue on leakage from primary impoundment and possibility of previously unidentified off site groundwater contamination.