Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 97.8% full on 2025-08-02

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-08-02 97.8 294,949 284,903 291,293
Yesterday 2025-08-01 97.8 294,935 285,003 291,293
2 days ago 2025-07-31 97.9 295,250 285,204 291,293
1 week ago 2025-07-26 98.4 299,443 286,512 291,293
1 month ago 2025-07-02 99.8 302,103 290,676 291,293
3 months ago 2025-05-02 86.5 264,503 252,036 291,293
6 months ago 2025-02-02 84.1 256,114 244,917 291,293
1 year ago 2024-08-02 99.7 299,426 290,412 291,293
*

 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. - 76.41 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 69.45 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.47 0.09 137,151 132,318 132,318 - n.a. -
Texana Water Supply 96.0 43.37 -0.63 157,798 152,585 158,975 10,023
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.