Austin Area Reservoirs: Monitored Water Supply Reservoirs are 83.7% full on 2026-03-31

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-03-31 83.7 1,900,521 1,869,678 2,232,539
Yesterday 2026-03-30 83.8 1,902,022 1,871,179 2,232,539
2 days ago 2026-03-29 83.9 1,904,847 1,874,004 2,232,539
1 week ago 2026-03-24 84.4 1,915,054 1,884,211 2,232,539
1 month ago 2026-02-28 85.1 1,929,726 1,898,883 2,232,539
3 months ago 2025-12-31 87.1 1,975,710 1,944,867 2,232,539
6 months ago 2025-09-30 90.3 2,046,643 2,015,800 2,232,539
1 year ago 2025-03-31 53.0 1,213,177 1,182,334 2,232,539
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

Reservoir Storage

Reservoir Type Percent Full Water Level
(ft)
Height Above Conservation Pool
(ft)
Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Surface Area
(acres)
Buchanan Water Supply 94.0 1,017.66 -2.34 828,380 814,718 866,694 21,998
Georgetown Water Supply and Flood Control 75.9 783.40 -7.60 28,904 28,841 38,005 1,107
Stillhouse Hollow Water Supply and Flood Control 92.8 619.37 -2.63 213,451 213,365 229,796 6,073
Travis Water Supply and Flood Control 74.0 664.29 -16.71 829,786 812,754 1,098,044 15,104