Austin completes storm drain upgrade, greenbelt improvements along Williamson Creek
(UI) — The City of Austin has completed drainage upgrades and park improvements in southeast Austin aimed at reducing flooding risks while adding public access to the East Williamson Creek Greenbelt.
City officials said the work includes Phase 1 of the Brassiewood Flood Risk Reduction project, which installed about 1,600 linear feet of new storm drain and relocated 1,200 linear feet of water and wastewater lines. The project cost roughly $2.3 million and was funded through 2018 voter-approved bonds, drainage charges and the Regional Stormwater Management Program.
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The new storm drain system now routes stormwater directly to Williamson Creek rather than the detention pond at South Pleasant Valley Drive. Officials say the change will reduce the volume of water entering the pond during heavy rainfall and lower flood risk for nearby homes.
"For years, this area has seen repeated flooding during heavy rains," said Jorge Morales, Director of Austin Watershed Protection. "The new storm drain system helps protect the community as our region continues to experience more intense storms."
Alongside the drainage work, the city also completed several improvements in the East Williamson Creek Greenbelt, including new trails, a nature play area for children, seating areas and landscaping.
“These projects carry special significance, not only because of the site’s history, but because they were brought forward by dedicated neighbors and community advocates,” said Richard Mendoza, Director of Austin Transportation and Public Works. “They represent the power of collective action, with multiple City departments working hand-in-hand with the community to bring residents’ vision to life. That collaboration is exactly what our Neighborhood Partnering Program is designed to achieve.”
City officials said additional improvements are planned, including new trail entrances, interpretive signage and murals along the Creek Bend flood wall. Phase 2 of the Brassiewood project, expected to begin later this year, will upgrade the outfall of the existing detention pond at South Pleasant Valley Drive to further reduce flood risks in the neighborhood.
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