Low Water Records for Colorado River (TX) at Lake Buchanan (1) 983.70 ft on 09/09/1952 (2) 985.27 ft on 09/19/2013 (3) 986.63 ft on 09/20/1964 (4) 987.97 ft on 10/07/1984 (5) 989.86 ft on 09/10/2009 (6) 994.73 ft on 10/15/2000 (7) 997.97 ft on 01/01/1997