Lake Information
The lake provides 310,100 acre-feet of flood storage capacity. It provides flood protection to about 40,200 acres of agricultural land below the dam. The lake assists in reducing flood damages to about 1,053,600 acres along the Brazos River below the mouth of the Little River.
The lake has a conservation storage capacity of 31,400 acre-feet at the top of the conservation pool (Elevation 1162.0 feet) for municipal water supply and other beneficial uses.
Dam Statistics
DAM
Type, rolled earth fill
Length, including spillway, feet.....13,460
Height above stream bed, feet..............86
Width, crown, feet..............................30
Top elevation of dam, feet above
mean sea level................................1,206.0
SPILLWAY
Gate-controlled, net length at crest, feet...440
Crest, Elevation above mean
sea level, feet.......................................1,162.0
Eleven tainter gates, each 40 feet wide by 35 feet high
LOW FLOW OUTLETS
Two gate-controlled conduits,
each 36 inches in diameter
LAKE
Flood control pool
Top elevation, above mean sea
Level, feet.............................................1,197.0
Capacity, acre-feet..........................310,100
Area, acres.......................................14,010
Conservation pool
Top elevation, above mean sea
Level, feet.....................................................1,162.0
Capacity, acre-feet....................................31,400
Area, acres.................................................4,610
Shoreline, miles................................................38
Sediment reserve, acre-feet........................32,700
Total storage capacity, acre-feet...............374,000
Stream bed, approximate elevation above
mean sea level, feet.......................................1,120.0