Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 86.4% full on 2025-10-18

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Most recent 2025-10-18 86.4 260,686 251,672 291,293
1 day prior 2025-10-17 86.5 261,057 252,043 291,293
2 days prior 2025-10-16 86.7 261,489 252,475 291,293
1 week prior 2025-10-11 87.4 263,597 254,583 291,293
1 month prior 2025-09-18 90.9 273,932 264,918 291,293
3 months prior 2025-07-18 99.4 299,268 289,451 291,293
6 months prior 2025-04-18 86.8 261,790 252,776 291,293
1 year prior 2024-10-18 89.7 270,435 261,421 291,293
*

 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 1as of 2025-10-18 Flood Control - n.a. - 76.34 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2as of 2025-10-18 Flood Control - n.a. - 69.34 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houstonas of 2025-10-18 Water Supply 98.1 42.16 -0.22 133,613 129,812 132,318 11,345
Texanaas of 2025-10-18 Water Supply 76.7 40.07 -3.93 127,073 121,860 158,975 8,607
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.