Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 79.5% full on 2026-01-11

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-01-11 79.5 241,966 231,575 291,293
Yesterday 2026-01-10 79.7 243,379 232,182 291,293
2 days ago 2026-01-09 79.7 241,464 232,106 291,293
1 week ago 2026-01-04 79.7 241,120 232,106 291,293
1 month ago 2025-12-11 82.3 249,586 239,654 291,293
3 months ago 2025-10-11 87.3 263,336 254,322 291,293
6 months ago 2025-07-11 99.7 303,184 290,369 291,293
1 year ago 2025-01-11 84.6 262,011 246,402 291,293
*

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

Area 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)
Addicks 1 Flood Control - n.a. - 76.36 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 71.69 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.50 0.12 137,496 132,318 132,318 - n.a. -
Texana Water Supply 62.4 37.28 -6.72 104,470 99,257 158,975 7,563
footnotes
1

Addicks Reservoir is a flood control lake. It is not used for water supply and under normal conditions it is empty.

2

Barker Reservoir is a flood control lake. It is not used for water supply and under normal conditions it is empty.