Over the last few days, the entire lower Colorado River basin from well above Lake Buchanan to Matagorda Bay has received a great deal of rain. The rain in the Highland Lakes watershed has been more than lakes Buchanan and Travis can safely hold without allowing levels to rise significantly higher in the flood pool on Lake Travis.
Assuming there is no additional rainfall over the weekend, LCRA anticipates more than 70,000 acre-feet of water will flow into Lake Buchanan over the next three to four days. To safely and gradually move this additional water downstream through the Highland Lakes, LCRA has planned and will take the following steps over the next few days:
Waiting until Monday morning to begin floodgate operations at Mansfield Dam will allow floodwaters in the river below Austin to further subside in the lower basin. Discharges from the Highland Lakes will reach the lower basin in five to seven days, and will not contribute to current flooding in the area.
The Lower Colorado River Authority serves customers and communities throughout Texas by managing the lower Colorado River; generating and transmitting electric power; ensuring a clean, reliable water supply; and offering access to nature at more than 40 parks, recreation areas and river access sites along the Texas Colorado River, from the Hill Country to the Gulf Coast. LCRA and its employees are committed to enhancing the lives of Texans through water stewardship, energy and community services. LCRA was created by the Texas Legislature in 1934. The organization neither levies taxes nor receives tax money. For more information, visit LCRA.org.