Austin Area Reservoirs: Monitored Water Supply Reservoirs are 89.4% full on 2025-10-11

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-10-11 89.4 2,025,790 1,994,947 2,232,539
Yesterday 2025-10-10 89.4 2,027,521 1,996,678 2,232,539
2 days ago 2025-10-09 89.5 2,030,036 1,999,193 2,232,539
1 week ago 2025-10-04 90.0 2,040,100 2,009,257 2,232,539
1 month ago 2025-09-11 92.1 2,087,551 2,055,549 2,232,539
3 months ago 2025-07-11 79.4 1,846,214 1,772,002 2,232,539
6 months ago 2025-04-11 52.4 1,200,216 1,169,373 2,232,539
1 year ago 2024-10-11 60.1 1,346,571 1,315,728 2,188,052
*

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

Area Map

recent reservoir storage 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 95.2 1,018.13 -1.87 838,738 825,076 866,694 22,080
Georgetown Water Supply and Flood Control 75.5 783.26 -7.74 28,750 28,687 38,005 1,104
Stillhouse Hollow Water Supply and Flood Control 99.4 621.80 -0.20 228,598 228,512 229,796 6,400
Travis Water Supply and Flood Control 83.1 670.60 -10.40 929,704 912,672 1,098,044 16,566