Dam 4

Dam 4 was raised in 2010 to pass the 100% Probable Maximum Flood (PMF).

Dam Dimensions

Type of Dimension Measurement
Location 6.5 miles west of Round Rock
Height 55 feet
Length 1,956 feet
Normal Pool Elevation
838.30 feet above mean sea level
Auxiliary Spillway Elevation
858.80 feet above mean sea level
Top of Dam Elevation
868.40 feet above mean sea level (effective)
Normal Storage Capacity
174 acre-feet

Dam 4 Construction Projects

Status Contract
Start Date
Completion Date
Dam 4
Complete $289,385
November 2009
May 2010
Ross Construction, Inc.