Lewisville Lake

Lewisville Lake
Lake Dallas (previously)
Aerial view of Lewisville Lake and Dam
Location of Lewisville Lake in Texas, USA.
Location of Lewisville Lake in Texas, USA.
Lewisville Lake
Location of Lewisville Lake in Texas, USA.
Location of Lewisville Lake in Texas, USA.
Lewisville Lake
LocationDenton County, Texas
Coordinates33°04′09″N 96°57′52″W / 33.06917°N 96.96444°W / 33.06917; -96.96444
Typereservoir
Primary inflowsElm Fork of the Trinity River
Catchment area325,700 acres (1,318 km2)
Basin countriesUnited States
Managing agencyUnited States Army Corps of Engineers
Built1948 (1948)
First flooded1955 (1955)
Max. length11 mi (18 km)
Max. width4.24 mi (6.82 km)
Surface area29,592 acres (11,975 ha)
Max. depth67 ft (20 m)
Water volume555,000 acre⋅ft (685,000,000 m3)
Surface elevation522 ft (159 m)
Frozen16 February 2021
Islandshas islands and islets
SettlementsLewisville, Texas

Lewisville Lake, formerly known as Garza-Little Elm Reservoir, is a reservoir in North Texas (USA) on the Elm Fork of the Trinity River in Denton County near Lewisville. Originally engineered in 1927 as Lake Dallas, the reservoir was expanded in the 1940s and 1950s and renamed Lewisville Lake. It was built for flood control purposes and to serve as a water source for Dallas and its suburbs, but residents also use it for recreational purposes.