Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 99.3% full on 2026-07-03

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-07-03 99.3 299,638 289,247 291,293
Yesterday 2026-07-02 99.4 299,383 289,451 291,293
2 days ago 2026-07-01 99.5 299,458 289,756 291,293
1 week ago 2026-06-26 100.0 301,914 291,293 291,293
1 month ago 2026-06-03 99.6 302,401 290,165 291,293
3 months ago 2026-04-03 73.1 222,555 212,967 291,293
6 months ago 2026-01-03 79.9 241,655 232,641 291,293
1 year ago 2025-07-03 99.7 301,783 290,471 291,293
*

 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. - 69.74 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.50 0.12 137,496 132,318 132,318 - n.a. -
Texana Water Supply 98.7 43.80 -0.20 162,142 156,929 158,975 10,180
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.