Tom Miller Dam is a dam

Dam

A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 located at 30.2932, -97.7855 (WGS 84

World Geodetic System

The World Geodetic System is a standard for use in cartography, geodesy, and navigation. It comprises a standard coordinate frame for the Earth, a standard spheroidal reference surface for raw altitude data, and a gravitational equipotential surface that defines the nominal sea level.The latest...

 datum) on the Colorado River

Colorado River (Texas)

The Colorado River is a river that runs through the U.S. state of Texas; it should not be confused with the much longer Colorado River which flows from Colorado into the Gulf of California....

 within the city limits of Austin, Texas

Austin, Texas

Austin is the capital city of the U.S. state of :Texas and the seat of Travis County. Located in Central Texas on the eastern edge of the American Southwest, it is the fourth-largest city in Texas and the 14th most populous city in the United States. It was the third-fastest-growing large city in...

, USA. It is one of several dams constructed by the City of Austin for the purpose of flood

Flood

A flood is an overflow of an expanse of water that submerges land. The EU Floods directive defines a flood as a temporary covering by water of land not normally covered by water...

 control and for generating hydroelectric power. Named for Robert Thomas Miller

Robert Thomas Miller

Robert Thomas "Tom" Miller was mayor of Austin, Texas for 22 years, from 1933 to 1949 and again from 1955 to 1961. The Tom Miller Dam is named after him....

, a former Mayor of Austin, the dam forms Lake Austin

Lake Austin

Lake Austin is a reservoir on the Colorado River in Austin, Texas in the United States. The reservoir was formed in 1939 by the construction of Tom Miller Dam by the Lower Colorado River Authority....

, one of the Texas Highland Lakes

Texas Highland Lakes

The Texas Highland Lakes is a chain of seven reservoirs in Central Texas formed by several dams on the Colorado River. This portion of the river winds southeast from its headwaters near the border of Texas and New Mexico to Matagorda Bay and the Gulf of Mexico...

.

The dam began operating in 1940 and is located at the site of the city's two previous dams, each of which were destroyed during major floods and each of which shared the same name - Austin Dam. It is currently leased to the Lower Colorado River Authority

Lower Colorado River Authority

The Lower Colorado River Authority or LCRA is a nonprofit public utility that was created in November 1934 by the Texas Legislature. LCRA's mission is to protect people, property and the environment by providing public services for more than one million people in Central and Southeast Texas...

, who maintains and operates the dam.