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Mine Remediation – Oronogo-Duenweg Mining Belt

Client USA Government
Location Route66
Scope Of Work Reparing
Schedule 2008

Project Detail

EQM is an industry leader in executing challenging remediation projects at mine sites across the United States. Our experience includes projects for USEPA Regions 1, 5, 6, 7, 8, 9, and 10, as well as the USACE. Total projects to date exceed 125, with services including:

Dewatering & Water Treatment

Ecological Restoration

Erosion & Stormwater Controls

Excavation, Consolidation, & Removal of Mine Tailings

Groundwater & Acid Waste Drainage Treatment

Mine Waste Characterization & Management

Repository Construction, Capping, & Restoration

Sediment Removal & Remediation

Stream & Wetlands Restoration

Structure Demolition & Removal

EQM has performed numerous task orders at the Oronogo-Duenweg Mining Belt in Missouri — the former mining and smelting operations across 270 square miles left behind contaminated soil, groundwater, and surface water. Contaminants such as lead, zinc, and cadmium remain as cleanup efforts are still ongoing today. So far, EQM has assisted with the following:

Excavated, consolidated, and transported over 2.4M cubic yards of arsenic, lead, and zinc-contaminated soil from 32 properties over 770 acres.

Developed, constructed, and filled a 60-acre repository with stormwater retention basins, let-down channels, and rip-rap swales.

Transported waste and contaminated soil to repository.

Performed site restoration activities – fine grading and hydroseeding of 32 disturbed hours.

Removed sediments with visible chat/mine waste from a 1500-foot stream.

Excavated banks and stream bottom and restored stream.

For more information on federal services, contact us.

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