| Lake Walter E. Long | |
|---|---|
 U.S. soldiers and various state personnel conducting airborne and water rescue drills in 2012 | |
  Lake Walter E. Long  Lake Walter E. Long | |
| Location | Austin, Texas |
| Coordinates | 30°17.11′N 97°35.77′W / 30.28517°N 97.59617°W |
| Type | Power plant cooling reservoir |
| Primary inflows | Decker Creek |
| Primary outflows | Decker Creek |
| Basin countries | United States |
| Managing agency | City of Austin |
| Built | 1967 |
| Surface area | 1,269 acres (514 ha)[1] |
| Max. depth | 60 ft (18 m) |
| Surface elevation | 555 ft (169 m) |
Lake Walter E. Long (also known as Decker Lake)[1] is a reservoir on Decker Creek in Austin, Texas. It was officially impounded in 1967 and provides cooling water for a power plant that produces electricity from petroleum-based fuels. The dam and the lake are managed by the City of Austin. Surrounding the lake is the city's Lake Walter E. Long Metropolitan Park, a popular recreational destination.
- ^ a b "Walter E. Long Lake". Texas Parks and Wildlife Department. Retrieved 11 May 2015.