Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 99.7% full on 2025-07-07

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-07-07 99.7 302,374 290,369 291,293
Yesterday 2025-07-06 99.7 302,374 290,369 291,293
2 days ago 2025-07-05 99.7 302,938 290,471 291,293
1 week ago 2025-06-30 99.8 303,491 290,676 291,293
1 month ago 2025-06-07 89.2 272,225 259,758 291,293
3 months ago 2025-04-07 88.5 269,741 257,736 291,293
6 months ago 2025-01-07 83.7 253,095 243,851 291,293
1 year ago 2024-07-07 95.6 287,479 278,465 291,293
*

 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. - 76.42 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 70.06 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houston Water Supply 100.0 42.64 0.26 139,110 132,318 132,318 - n.a. -
Texana Water Supply 99.4 43.91 -0.09 163,264 158,051 158,975 10,221
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.