Austin Area Reservoirs: Monitored Water Supply Reservoirs are 98.9% full on 2026-08-12

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-08-12 98.9 2,239,750 2,208,650 2,232,539
Yesterday 2026-08-11 99.0 2,242,079 2,210,786 2,232,539
2 days ago 2026-08-10 99.1 2,244,346 2,212,924 2,232,539
1 week ago 2026-08-05 99.5 2,254,484 2,222,030 2,232,539
1 month ago 2026-07-12 91.7 2,086,907 2,046,731 2,232,539
3 months ago 2026-05-12 86.2 1,959,720 1,923,884 2,232,539
6 months ago 2026-02-12 85.5 1,939,903 1,909,060 2,232,539
1 year ago 2025-08-12 94.6 2,149,546 2,111,214 2,232,539
*

 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 98.9 1,019.59 -0.41 871,171 857,509 866,694 22,358
Georgetown Water Supply and Flood Control 96.2 789.89 -1.11 36,636 36,573 38,005 1,274
Stillhouse Hollow Water Supply and Flood Control 100.0 622.04 0.04 230,139 229,796 229,796 6,435
Travis Water Supply and Flood Control 98.8 680.30 -0.70 1,101,804 1,084,772 1,098,044 18,877