Lower-Colorado Planning Region Reservoirs: Monitored Water Supply Reservoirs are 98.9% full on 2026-08-11

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-08-11 98.9 2,149,150 2,098,724 2,122,814
Yesterday 2026-08-10 98.9 2,150,842 2,100,416 2,122,814
2 days ago 2026-08-09 99.0 2,152,969 2,102,543 2,122,814
1 week ago 2026-08-04 99.4 2,161,067 2,110,641 2,122,814
1 month ago 2026-07-11 91.2 1,985,709 1,935,283 2,122,814
3 months ago 2026-05-11 85.3 1,860,667 1,810,241 2,122,814
6 months ago 2026-02-11 85.6 1,868,112 1,817,686 2,122,814
1 year ago 2025-08-11 94.2 2,050,617 2,000,191 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 97.3 492.38 -0.42 23,922 23,313 23,972 1,556
Buchanan Water Supply 99.0 1,019.61 -0.39 871,618 857,956 866,694 22,363
Inks Water Supply 94.8 887.10 -0.90 13,296 13,013 13,729 781
Lyndon B Johnson Water Supply 98.1 824.66 -0.34 129,436 110,596 112,778 6,400
Marble Falls Water Supply 94.6 736.32 -0.68 7,185 7,185 7,597 600
Travis Water Supply and Flood Control 99.0 680.40 -0.60 1,103,693 1,086,661 1,098,044 18,900