At full pool , the lake is 7 miles ( 11.3 km ) long .
At full pool , the lake has a shoreline of 40 miles ( 64.4 km ) and a surface area of 4,460 acres ( 18 km ) .
At full pool , the lake is 7 miles ( 11.3 km ) long and has a shoreline of 40 miles ( 64.4 km ) and a surface area of 4,460 acres ( 18 km ) .