AUSTIN, Texas — The City of Austin is considering a potential drawdown of Lake Austin in 2026 to address requests from residents for maintenance and the management of hydrilla, according to a memo released on Tuesday.
The drawdown, which would lower the lake’s water level by approximately 10 feet over a six-week period, aims to facilitate repairs and maintenance of shoreline structures.
Although historical data indicate that drawdowns are not effective in controlling hydrilla, the city acknowledges the need for property owners to conduct necessary repairs.
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The city states that it’s coordinating with the Lower Colorado River Authority (LCRA) to ensure that any drawdown aligns with hydroelectric power generation needs and minimizes the impact on water supply. Recent rains have improved storage volumes in Lakes Travis and Buchanan, but drought concerns persist, necessitating a cautious approach to water resource management.
A cross-departmental working group is exploring options for the drawdown, and the city plans to develop a strategy to address environmental and regulatory issues related to shoreline construction.
If a drawdown is approved, the city will notify property owners, businesses, and recreational users to ensure adequate preparation time.