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Lake Travis

1942 establishments in TexasBodies of water of Burnet County, TexasBodies of water of Travis County, TexasGeography of Austin, TexasProtected areas of Burnet County, Texas
Protected areas of Travis County, TexasReservoirs in Texas
Lake Travis aerial 2018
Lake Travis aerial 2018

Lake Travis is a reservoir on the Colorado River in central Texas in the United States. 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 southwestern Travis County.

Excerpt from the Wikipedia article Lake Travis (License: CC BY-SA 3.0, Authors, Images).

Lake Travis
RM 620, Austin

Geographical coordinates (GPS) Address Nearby Places
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Wikipedia: Lake TravisContinue reading on Wikipedia

Geographical coordinates (GPS)

Latitude Longitude
N 30.391944444444 ° E -97.906666666667 °
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Address

RM 620 4340
78732 Austin
Texas, United States
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Lake Travis aerial 2018
Lake Travis aerial 2018
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Mansfield Dam
Mansfield Dam

Mansfield Dam (formerly Marshall Ford Dam) is a dam located across a canyon at Marshall Ford on the Colorado River, 13 miles (21 km) northwest of Austin, Texas. The groundbreaking ceremony occurred on February 19, 1937, with United States Secretary of the Interior Harold L. Ickes attending. The dam was a joint project by the Lower Colorado River Authority (LCRA) and the United States Bureau of Reclamation, with partial funding provided by the Public Works Administration. Brown and Root, headed by James E. Walters, Sr., was the prime contractor. The dam was completed in 1941. Originally called Marshall Ford Dam, the name was changed in 1941 in honor of United States Representative J.J. Mansfield. The reservoir behind Mansfield Dam is named Lake Travis. The dam is owned and operated by the LCRA. Mansfield Dam is 278 feet (85 m) high, 7,089 feet (2 km) long, and 213 feet (65 m) thick at the base. The concrete gravity dam with embankment wings and saddle dikes was designed to control flooding; to store 1.4 km³ (369 billion US gallons) of water; and to generate hydroelectric power (108 megawatts). The Spillway Elevation is 714 feet (218 m) above Mean Sea Level (MSL). LCRA begins to open floods gates when water reaches 681 feet above MSL. At 681 feet (208 m) above MSL, discharge capacity exceeds 130,000 cubic feet per second (3,700 m3/s) as the lake rises. A two-lane highway, RM 620, crossed the top of the dam, but traffic congestion brought on by the growth of the city of Austin and expanded popularity of recreation at Lake Travis forced the state to build a four-lane highway bridge on the downstream side of the dam, and RM 620 was rerouted over that bridge. Traffic is no longer allowed on the road across the dam, except for service vehicles.