| | Construction Construction of the dam and appurtenant works was initiated in November 1960 and construction of the powerhouse and switchyard in april 1963. Commercial generation was begun in May 1965. the overall project was completed in June 1966 at an estimated cost of $46,200,000. Dam Length of dam, feet..................................................................................2,575 concrete section, feet...............................................................................1,333 Earth embarkment, feet............................................................................1,242 Maximum height of dam above stream bed, feet......................................... 228 Concrete in dam, cubic yards...............................................................780,000 Earth in main embarkment, cubic yards..............................................1,700,000 Earth in auxiliary dams, cubic yards.......................................................126,000 Length of spillway, gross, feet......................................................................328 Spillway crest gates (7), size in feet........................................................40 x 37 Outlet conduits (1), size in feet............................................................5.67 x 10 Elevation, Top of dam...........................................................................1,142 ft Elevation, Spillway crest........................................................................1,093 ft Lake Elevation, Top of flood -control pool.......................................................1,130ft Elevation, Top of conservation-water supply pool....................................1,120ft Surface area of lake, At top of flood-control pool............................31,700acres Surface area of lake, At top of conservation-water supply pool........28,220acres Storage capacity, Flood control...............................................300,000 acre feet Storage capacity, Conservation-water supply........................1,652,000 acre feet Storage capacity, Lake Total............................................... 1,952,000 acre feet Shoreline lengths, At top of flood-control pool......................................483 miles Shoreline lengths, At top of conservation-water supply pool..................449 miles Power Development Geration units, number..............................................................................2 units Rated Capacity , each unit........................................................ 56,000 kilowatts Station installed capacity.........................................................112,000 kilowatts Water Supply Location of intake, miles above dam..............................................................47 Ultimate water supply, million gallons per day..............................................120 |