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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
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