Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 98.4% full on 2025-07-28

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-07-28 98.4 297,248 286,512 291,293
Yesterday 2025-07-27 98.4 298,039 286,612 291,293
2 days ago 2025-07-26 98.4 298,748 286,512 291,293
1 week ago 2025-07-21 99.1 298,339 288,637 291,293
1 month ago 2025-06-28 99.8 303,027 290,676 291,293
3 months ago 2025-04-28 86.8 264,896 252,891 291,293
6 months ago 2025-01-28 84.3 257,580 245,575 291,293
1 year ago 2024-07-28 99.8 314,219 290,676 291,293
*

 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. - 80.57 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 77.87 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.53 0.15 137,841 132,318 132,318 - n.a. -
Texana Water Supply 97.0 43.53 -0.47 159,407 154,194 158,975 10,082
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.