Callahan Construction Company completed the Garza Dam in 1927 at a cost of $5 million, which created Lake Dallas.

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.

The United States Army Corps of Engineers built the Garza-Little Elm Dam between 1948 and 1954 at cost of $23.4 million.

[3] In 1956, Wilson W. Crook, Jr. and R.K. Harris announced Carbon-14(14C) testing on artifacts from the site, including a Paleo-Indian Clovis projectile point, indicated humans had lived there c. 36,000 BP.

In 1991, the City of Denton (which operates its own municipal power grid) installed a hydropower facility at Lewisville Dam.

The single horizontal S-Shaped Kaplan unit can produce 2893 kilowatts, and is connected to the grid via the Brazos River Distribution Authority.

Valentines Day weekend 2021 North Texas and much of the South East United States was hit by a polar vortex plunging temperatures in the DFW area to record lows in nearly 100 years with wind chills in the negative teens.

Centrally located on the lake, near Westlake Park, is the place where boats tie up to one another, listen to music and consume alcoholic beverages.

[11] In 2005, at the first large scale bass fishing tournament at Lewisville Lake, Kevin VanDam took home 1st place and a check for $100,000.

[15] Along with the crowd at Diwali at the Beach, there is another organization, BiJUSA (Bihar-Jharkhand-Uttar Pradesh Society of America) which hosts annual festivals at that location as well.