Lake Travis is a reservoir on the Colorado River in central Texas in the United States.
 The reservoir was formed in 1942 by the construction of Mansfield Dam on the western edge of Austin, Texas by the Lower Colorado River Authority (LCRA), and was built specifically to contain floodwaters in a flash-flood prone region.
During its construction, after a severe flood in July 1938, the height of the dam was raised to add storage capacity for floodwaters.

Serving principally as a flood-control reservoir, Lake Travis' historical minimum to maximum water height change is nearly 100 feet.
 In 2018 alone, it saw a 20-foot depth increase within a single 24-hour period of time.
With 30 square miles of surface area, Lake Travis has the largest storage capacity of the seven reservoirs known as the Highland Lakes, and stretches 65 miles (105 km) upriver from western Travis County in a highly serpentine course into southern Burnet County to Max Starcke Dam, southwest of the town of Marble Falls.
Besides being used for flood control and as a water supply, the lake is also used for electrical power generation and recreation.

The Pedernales River, a major tributary of the Colorado River, flows into the lake from the southwest in western Travis County.
Lake Travis is a reservoir on the Colorado River in central Texas in the United States.  The reservoir was formed in 1942 by the construction of Mansfield Dam on the western edge of Austin, Texas by the Lower Colorado River Authority (LCRA), and was built specifically to contain floodwaters in a flash-flood prone region. During its construction, after a severe flood in July 1938, the height of the dam was raised to add storage capacity for floodwaters.
Serving principally as a flood-control reservoir, Lake Travis' historical minimum to maximum water height change is nearly 100 feet.  In 2018 alone, it saw a 20-foot depth increase within a single 24-hour period of time. With 30 square miles of surface area, Lake Travis has the largest storage capacity of the seven reservoirs known as the Highland Lakes, and stretches 65 miles (105 km) upriver from western Travis County in a highly serpentine course into southern Burnet County to Max Starcke Dam, southwest of the town of Marble Falls. Besides being used for flood control and as a water supply, the lake is also used for electrical power generation and recreation.
The Pedernales River, a major tributary of the Colorado River, flows into the lake from the southwest in western Travis County.
Lake Travis