Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 85.2% full on 2025-10-31

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-10-31 85.2 257,327 248,313 291,293
Yesterday 2025-10-30 85.3 257,354 248,340 291,293
2 days ago 2025-10-29 86.2 260,168 251,154 291,293
1 week ago 2025-10-24 85.2 257,185 248,171 291,293
1 month ago 2025-09-30 89.3 269,266 260,252 291,293
3 months ago 2025-07-31 97.8 294,849 284,803 291,293
6 months ago 2025-04-30 86.6 262,913 252,292 291,293
1 year ago 2024-10-31 89.4 269,494 260,480 291,293
*

 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. - 76.34 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 70.71 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 98.3 42.18 -0.20 133,840 130,039 132,318 11,354
Texana Water Supply 74.4 39.65 -4.35 123,487 118,274 158,975 8,467
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.