In The Fall Of 2014, The Tennessee Valley Authority Discovered A Sinkhole, Creating Seepage From The Earth’s Embankment Near Boone Dam. Then In The Summer Of 2015, Officials Unveiled A Five To Seven Year Plan To Fix The Problem Permanently. Tva Spokesman Jim Hopson Says Neighbors In The Area Will Notice An Increase In Construction Activity Over The Next Few Weeks. Upstream Berm Construction Is Scheduled To Begin In August.