Dam 11

Dam 11 was raised in 2005 to pass the 100% Probable Maximum FLood (PMF), based on upstream development assumptions.

Dam Dimensions

Type of Dimension Measurement
Location Within City limits of Round Rock, northeast quadrant
Height 41 feet
Length 2,480 feet
Normal Pool Elevation
718.40 feet above mean sea level
Auxiliary Spillway Elevation
737.38 feet above mean sea level
Top of Dam Elevation
748.85 feet above mean sea level (effective)
Normal Storage Capacity

Dam 11 Construction Projects

Project Status Contract
Start Date
Completion Date
Dam 11
Complete $854,698 January 2005
September 2005