Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 90.0% full on 2026-11-01

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-11-01 90.0 271,153 262,139 291,293
Yesterday 2026-10-31 90.0 271,039 262,025 291,293
2 days ago 2026-10-30 89.8 270,655 261,641 291,293
1 week ago 2026-10-25 90.6 273,028 264,014 291,293
1 month ago 2026-10-01 90.0 271,200 262,186 291,293
3 months ago 2026-08-01 97.3 292,314 283,300 291,293
6 months ago 2026-05-01 79.2 239,704 230,690 291,293
1 year ago 2025-11-01 85.2 257,219 248,205 291,293
*

 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. - 76.38 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 69.75 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 98.6 42.22 -0.16 134,294 130,493 132,318 11,372
Texana Water Supply 82.8 41.18 -2.82 136,859 131,646 158,975 9,058
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.