Klondyke Tailings Project | WQARF Site

Klondyke Tailings Project | Site Overview

Registry placement date: Sept. 28, 1998

Score: 69

County: Graham

Location: Two 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 implemented at the site include the capping of the upper tailings pile source area, remediation of impacted soils near residences, and the remediation of a road constructed of mine tailings. In addition to the early response actions implemented, the Record of Decision for the site prescribes the capping of the lower tailings pile and small hill-side tailings pile, which are the remaining two contaminant sources at the site.

Status: ADEQ is currently completing the remedy prescribed by the site's the Record of Decision. 

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