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Lake Hartwell Restoration and Compensation Determination Plan
Georgia Dept. Natural Resources South Carolina Dept. Natural Resources South Carolina Dept. of Health and Environmental Control United States Army Corps of Engineers United States Fish and Wildlife Service
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Scope/Content: Abstract: The presence of PCBs in Twelvemile Creek/Lake Hartwell was discovered when surface water, sediment, and fish from the area were sampled in the mid-1970s. The source of this contamination was determined to be the Sangamo-Weston, Inc. capacitor manufacturing plant in Pickens, South Carolina. Sangamo-Weston, Inc. operated the plant from 1955 to 1987. The liabilities associated with that operation were subsequently assumed by Schlumberger Technology Corporation (STC). Dielectric fluids, used in the manufacture of capacitors until 1977, contained PCBs, and materials containing these fluids were disposed via land burial. In addition, PCBs were present in discharges from the plant to Town Creek (a tributary of Twelvemile Creek). Surface water and sediment contaminated by the discharged PCBs eventually migrated downstream to Twelvemile Creek and Lake Hartwell. The United States Department of the Interior (DOI), through the Fish and Wildlife Service (Service), the United States Department of Defense through the United States Army Corps of Engineers (Corps), SCDHEC, South Carolina Department of Natural Resources (SCDNR), and Georgia Department of Natural Resources (GADNR) have conducted a natural resource damage assessment (NRDA) for the Twelvemile Creek and Lake Hartwell Assessment Area. The Service, the Corps, SCDHEC, SCDNR, and GADNR are referred to in this document as the natural resource trustees, or simply "Trustees." This Restoration and Compensation Determination Plan (RCDP) documents the injuries sustained by natural resources as a result of the release of PCBs from the Sangamo-Weston plant, and restoration actions that will compensate the public for losses resulting from these injuries.
Sediment and channel dynamics Dams Dam retirement
Twelve Mile River, SC Easley-Central Water Dam Woodside Mill Dam #1 Woodside Mill Dam #2