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Pertinent Data

Dam and Reservior

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

Hydropower

Power Plant:

 

   Generator Capacity:   3 units @33,333 kW

100,000 kW

   Estimated average annual energy output, kW