Garza Little Elm Dam Spillway, Lewisville, Texas
Garza Little Elm Dam Spillway construction in Lewisville, Texas Dec. 9, 1952 The W.E. Callahan Construction Company completed the Garza Dam in 1927 at a cost of $5 million, which created Lake Dallas. The dam was 10,890 feet (3,320 m) long with a 567-foot (173 m) long service spillway. The lake, with its 194,000-acre-foot (239,000,000 m3) capacity and forty-three miles of shoreline, was the principal municipal water source for the city of Dallas for 31 years.