Abstract

Since 1990, a number of demonstration projects have been completed in the Upper Clark Fork River Basin. Projects have addressed the riparian zone, the floodplain, and upland areas. The projects include the , the RIT Project, the Governor’s Demonstration Project , the University of Montana Riparian and Wetland Research Program (RWRP) Streambank Stabilization Pilot Study, the South Deer Lodge Entryway Improvement Project, the Upland Till Demonstration Project, and, most recently, the Allan Johns Bank Stabilization Demonstration Project. ARCO has been the source of funding for most of these projects. Since the original construction, these demonstration projects have been monitored to assess their effectiveness at mitigating pathways of metals exposure to human and ecological receptors.

These projects demonstrate technologies to remediate areas that have been impacted by historical mine waste. Some projects have focused on eroding streambanks; others have addressed stabilization and revegetation of tailings deposits in the floodplain Similar techniques have been applied to treat upland areas impacted by river sediments carried by historical irrigation practices. This poster provides a brief overview of the projects, their effectiveness, and how information gathered from these projects will be used in preparing the Feasibility Study for the Clark Fork River Operable Unit Superfund Site.

Start Date

14-4-2000 12:00 AM

End Date

14-4-2000 12:00 AM

Document Type

Poster

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Apr 14th, 12:00 AM Apr 14th, 12:00 AM

Upper Clark Fork River Demonstration Projects, Montana

Since 1990, a number of demonstration projects have been completed in the Upper Clark Fork River Basin. Projects have addressed the riparian zone, the floodplain, and upland areas. The projects include the , the RIT Project, the Governor’s Demonstration Project , the University of Montana Riparian and Wetland Research Program (RWRP) Streambank Stabilization Pilot Study, the South Deer Lodge Entryway Improvement Project, the Upland Till Demonstration Project, and, most recently, the Allan Johns Bank Stabilization Demonstration Project. ARCO has been the source of funding for most of these projects. Since the original construction, these demonstration projects have been monitored to assess their effectiveness at mitigating pathways of metals exposure to human and ecological receptors.

These projects demonstrate technologies to remediate areas that have been impacted by historical mine waste. Some projects have focused on eroding streambanks; others have addressed stabilization and revegetation of tailings deposits in the floodplain Similar techniques have been applied to treat upland areas impacted by river sediments carried by historical irrigation practices. This poster provides a brief overview of the projects, their effectiveness, and how information gathered from these projects will be used in preparing the Feasibility Study for the Clark Fork River Operable Unit Superfund Site.