Every flood and every drought since Buchanan Dam closed. Lake Buchanan has swung across 38 vertical feet — from a record low of 983.7 ft to a record high of 1021.4 ft. Today’s 1018.81 ft is higher than 90% of all months on record.
Monthly mean (line) with monthly min–max band. Dashed teal line = full pool (1020 ft).
Record high
1021.4 ft
1991-12-20
Record low
983.7 ft
1952-09-09
2008–16 drought low
985.27 ft
2013-09-20
Spillway
1020.35 ft
never reached
Daily record aggregated here to monthly min/mean/max. Lake level data republished by the Texas Water Development Board from the LCRA gauge; reference elevations and ramp minimums from LCRA. Historical daily values are agency-reviewed; recent values are provisional.