Lower-Colorado Planning Region Reservoirs: Monitored Water Supply Reservoirs are 94.9% full on 2026-09-12

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-09-12 94.9 2,065,009 2,014,583 2,122,814
Yesterday 2026-09-11 95.0 2,067,043 2,016,617 2,122,814
2 days ago 2026-09-10 95.1 2,070,024 2,019,598 2,122,814
1 week ago 2026-09-05 95.9 2,085,608 2,035,182 2,122,814
1 month ago 2026-08-12 98.7 2,146,186 2,095,760 2,122,814
3 months ago 2026-06-12 90.5 1,970,924 1,920,498 2,122,814
6 months ago 2026-03-12 85.2 1,859,941 1,809,515 2,122,814
1 year ago 2025-09-12 91.6 1,995,592 1,945,166 2,122,814
*

 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)
Austin Water Supply 97.6 492.43 -0.37 24,000 23,391 23,972 1,559
Buchanan Water Supply 96.7 1,018.73 -1.27 852,018 838,356 866,694 22,187
Inks Water Supply 95.2 887.17 -0.83 13,351 13,068 13,729 789
Lyndon B Johnson Water Supply 99.0 824.82 -0.18 130,462 111,622 112,778 6,415
Marble Falls Water Supply 96.4 736.55 -0.45 7,323 7,323 7,597 605
Travis Water Supply and Flood Control 93.0 676.84 -4.16 1,037,855 1,020,823 1,098,044 18,090