Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 94.2% full on 2026-10-06

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-10-06 94.2 284,325 274,508 291,293
Yesterday 2026-10-05 94.2 284,573 274,412 291,293
2 days ago 2026-10-04 93.4 284,035 272,030 291,293
1 week ago 2026-09-29 90.1 271,447 262,433 291,293
1 month ago 2026-09-06 93.1 280,996 271,179 291,293
3 months ago 2026-07-06 99.0 298,264 288,332 291,293
6 months ago 2026-04-06 72.9 223,865 212,438 291,293
1 year ago 2025-10-06 88.2 265,854 256,840 291,293
*

 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. - 89.21 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 86.01 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.45 0.07 136,922 132,318 132,318 - n.a. -
Texana Water Supply 89.4 42.31 -1.69 147,403 142,190 158,975 9,588
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.