Dam
Type
Concrete-gravity and earthfill
Dimensions:
Maximum height, feet
93
Above Streambed
87
Length, feet:
Powerhouse section
310
Spillway section
291
Lock Section
168
Earth Embankment
468
Total Structures
1,306
Reservoir
Operating levels at dam:
Maximum surcharge pool (area 13,920 acres)
508.0
Normal operation:
Full pool (area 11,900 acres)
504.0
Minimum pool (area 9,820 acres)
499.0
Length:
Backwater to Celina, TN
67.3 miles
Shoreline length:
At 504.0
381 miles
Lock Dimensions:
Chamber dimensions, feet
84 X 400
Lift at normal pool, feet
53
Minimum filling time
11 minutes
Gallons
17 million
Spillway:
Net width opening, feet
225
Discharge capacity, cubic feet per second
175,000
Crest Gates:
Number and Type
5, Tainer
Size, width and height, feet
45 X 41
Power Plant:
Generator Capacity: 3 units @33,333 kW
100,000 kW
Estimated average annual energy output, kW