Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 82.2% full on 2025-12-12

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-12-12 82.2 249,576 239,415 291,293
Yesterday 2025-12-11 82.3 249,586 239,654 291,293
2 days ago 2025-12-10 82.4 250,249 239,973 291,293
1 week ago 2025-12-05 82.9 255,393 241,417 291,293
1 month ago 2025-11-12 83.3 251,703 242,689 291,293
3 months ago 2025-09-12 91.9 278,111 267,720 291,293
6 months ago 2025-06-12 90.7 273,347 264,333 291,293
1 year ago 2024-12-12 84.4 254,931 245,917 291,293
*

 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. - 69.94 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.48 0.10 137,266 132,318 132,318 - n.a. -
Texana Water Supply 67.4 38.29 -5.71 112,310 107,097 158,975 7,963
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.