The Onion Creek Flood Study has two main goals: to update the floodplain maps for Onion Creek and to evaluate options to reduce flooding in the Onion Creek Neighborhood.
Buyouts Recommended in the Onion Creek Neighborhood
The feasibility study about reducing the risk of flooding near Pinehurst Drive and Wild Dunes Drive has been completed. Buyouts have been recommended. We mailed information to homeowners included in the buyout area on November 8, 2017. Please note that participation in the buyout is optional. Please see the map below.
Onion Creek is Austin’s largest watershed. In fact, most of the watershed is outside of Austin in Hays County. The floodplain study focuses on the part of Onion Creek within Austin and Travis County. It also looks at three of the creeks that feed Onion Creek: Bear, Little Bear and Rinard.
For flood mitigation, the next steps are to complete the current analysis of the options, select an option and identify funding. The timeframe for implementation of the selected option is unknown at this time.