TVA Officials Said Repairs Necessary To Stop The Seepage And Erosion Taking Place At Boone Dam Could Take Up To Seven Years To Complete. The Cost – Up To 300-Million Dollars. This Didn’t Sit Well With Lake Homeowners During A Public Meeting Last Night. Most Were Angry That Its Going To Take So Long To Repair. Water Levels Have Remained Low After A Sink Hole Was Found At The Base Of The Dam Last October. Construction Work Is Expected To Begin Early Next Year.