Decker Creek
General data
- Name: Decker Creek
- Water system: Colorado River (Texas)
- Water type: River
- Progression: Gilleland Creek -> Colorado River (Texas) -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: North America
- Countries: United States of America
Decker Creek rises east of Austin in eastern Travis County. It flows roughly southeast for about 10 miles until it reaches its mouth on Gilleland Creek. In 1967, a dam was built on Decker Creek, creating a reservoir originally called Decker Lake; renamed in 1978 to Walter E. Long Lake (sometimes “Decker Lake”).