Background

​​Location: 

​The Lincoln Park site is located south of Cañon City in Fremont County, Colorado. The site includes the Cotter Corporation’s (Cotter) 2,600-acre uranium mill and areas of mill-associated contamination, including the Lincoln Park community near the mill. 

​Historical Contamination: 

​Between 1958 and 1979, the mill discharged liquid waste containing radionuclides and heavy metals into 11 impoundments, mostly unlined, known as the Old Ponds Area. A flood in 1965 caused overflow into Sand Creek, which flows toward Lincoln Park. 

​Flood Control Measures: 

​In 1971, the Soil Conservation Service completed a flood control dam on Sand Creek, approximately 0.8 miles north and downstream of the mill ...
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