Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 72.7% full on 2026-04-08

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-04-08 72.7 222,632 211,781 291,293
Yesterday 2026-04-07 72.8 222,894 212,043 291,293
2 days ago 2026-04-06 72.9 223,865 212,438 291,293
1 week ago 2026-04-01 73.2 222,284 213,270 291,293
1 month ago 2026-03-08 75.7 235,767 220,626 291,293
3 months ago 2026-01-08 79.6 240,777 231,763 291,293
6 months ago 2025-10-08 88.0 265,442 256,428 291,293
1 year ago 2025-04-08 88.1 268,028 256,601 291,293
*

 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. - 76.36 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 70.15 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.54 0.16 137,956 132,318 132,318 - n.a. -
Texana Water Supply 50.0 34.48 -9.52 84,676 79,463 158,975 6,554
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.