Water Glossary

Water glossary 100-year flood: A flood that experts believe has a 1 percent, or one out of 100, chance of being equaled or exceeded in any given year. It also is referred to as the 1 percent annual chance of exceedance (1 percent ACE) flood. The term refers to the...

Water Use Summary

Water Use Summary LCRA compiles water use information for the lower Colorado River basin in the annual Water Use Summary. LCRA Water Use Summary 2023 Printable version download now The lower Colorado River basin experienced prolonged dry conditions and record-setting...

Water Partnership with City of Austin

Water Partnership with City of Austin   LCRA and the City of Austin work together to plan for future water needs and jointly manage their water rights. In 2007, LCRA and Austin established a water partnership to plan long-term water supply for the city – up to 250,000...

Water Management Plan for the Highland Lakes

Water Management Plan for the Highland Lakes   LCRA will begin updating the Water Management Plan in 2025. Read more about the process for updating the plan. LCRA manages lakes Travis and Buchanan under a state-approved Water Management Plan. The plan governs...

Projects for New Water Supply

Projects for New Water Supply Arbuckle Reservoir LCRA is building the Arbuckle Reservoir off the main channel of the Colorado River in Wharton County. This is the first significant new water supply reservoir developed in the lower Colorado River basin in decades. The...

Water Supply Planning

Water Supply Operations and Planning River Operations Report Daily report on routine water supply operations READ NOW Water supply operations How LCRA manages the Highland Lakes and lower Colorado River LEARN MORE Water Management Plan The state-approved plan for...