Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 73.7% full on 2026-04-13

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-04-13 73.7 227,219 214,636 291,293
Yesterday 2026-04-12 73.2 225,188 213,299 291,293
2 days ago 2026-04-11 72.6 223,755 211,519 291,293
1 week ago 2026-04-06 72.9 223,865 212,438 291,293
1 month ago 2026-03-13 75.4 230,932 219,505 291,293
3 months ago 2026-01-13 79.2 240,753 230,821 291,293
6 months ago 2025-10-13 87.0 262,468 253,454 291,293
1 year ago 2025-04-13 87.5 264,025 254,781 291,293
*

 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. - 82.68 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 79.96 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.69 0.31 139,688 132,318 132,318 - n.a. -
Texana Water Supply 51.8 34.91 -9.09 87,531 82,318 158,975 6,726
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.