Klondyke Tailings Project | WQARF Site

Klondyke Tailings Project | Site Overview

Registry placement date: Sept. 28, 1998

Score: 69

County: Graham

Location: About 1.5 miles north of the town of Klondyke in Section 6, Township 7 South, Range 20 East with boundaries defined by the extent of soil contamination above the residential soil remediation level (SRL) for lead of 400 milligrams per kilogram (mg/kg). The site boundary is irregular and includes the property containing the tailings piles and several surrounding properties.

Contaminants of concern: Arsenic, cadmium, copper, lead, manganese, vanadium and zinc

Action taken: Early response actions completed at the site include the capping of the upper tailings pile source area (2008), remediation of impacted soils near residences (2010 – 2016), and the remediation of a road constructed of mine tailings (2016). The remedy selected by the Record of Decision, capping of the lower tailings pile and small hillside tailings pile source areas, was completed in 2018.

Status: ADEQ has completed the remedy prescribed by the site's the Record of Decision. 

Community Advisory Board (CAB): Dissolved upon completion of the Proposed Remedial Action Plan.