Lower-Colorado Planning Region Reservoirs: Monitored Water Supply Reservoirs are 92.5% full on 2026-09-30

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-09-30 92.5 2,013,755 1,963,329 2,122,814
Yesterday 2026-09-29 92.6 2,015,411 1,964,985 2,122,814
2 days ago 2026-09-28 92.7 2,018,742 1,968,316 2,122,814
1 week ago 2026-09-23 93.3 2,031,335 1,980,909 2,122,814
1 month ago 2026-08-30 96.8 2,105,165 2,054,739 2,122,814
3 months ago 2026-06-30 92.3 2,009,673 1,959,247 2,122,814
6 months ago 2026-03-30 84.0 1,834,243 1,783,817 2,122,814
1 year ago 2025-09-30 90.0 1,960,701 1,910,275 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 97.0 492.34 -0.46 23,860 23,251 23,972 1,553
Buchanan Water Supply 95.6 1,018.29 -1.71 842,273 828,611 866,694 22,108
Inks Water Supply 94.9 887.12 -0.88 13,312 13,029 13,729 783
Lyndon B Johnson Water Supply 97.2 824.50 -0.50 128,414 109,574 112,778 6,385
Marble Falls Water Supply 98.2 736.77 -0.23 7,457 7,457 7,597 609
Travis Water Supply and Flood Control 89.4 674.63 -6.37 998,439 981,407 1,098,044 17,570