Water supply reservoirFresh
Lake Buchanan
Lower Colorado River Authority
The upstream storage anchor for the Highland Lakes system.
Full96.3%
Level1,018.56 ft
Storage834,587 acre-ft
Apr 30, 2026TWDB
Water supply reservoir
Lake Buchanan
Buchanan is one of the two big variable-level reservoirs that hold long-term water supply for Central Texas.
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Observed Metrics
Current normalized readings
conservation capacity acre ft866,694 acre-ftApr 30, 2026
conservation storage acre ft834,587 acre-ftApr 30, 2026
elevation ft msl1,018.56 ft mslApr 30, 2026
percent full96.3 percentApr 30, 2026
Provenance
Primary source
Water Data for Texas reservoir conditions
Latest observation: Apr 30, 2026