Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 89.8% full on 2026-10-28

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2026-10-28 89.8 270,609 261,595 291,293
1 day prior 2026-10-27 89.8 270,585 261,571 291,293
2 days prior 2026-10-26 89.9 270,993 261,979 291,293
1 week prior 2026-10-21 91.7 276,029 267,015 291,293
1 month prior 2026-09-28 90.0 271,130 262,116 291,293
3 months prior 2026-07-28 97.8 293,797 284,783 291,293
6 months prior 2026-04-28 77.1 233,593 224,579 291,293
1 year prior 2025-10-28 86.3 260,369 251,355 291,293
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

recent reservoir storage 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 2026-10-28 Flood Control - n.a. - 76.38 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 69.32 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Houstonas of 2026-10-28 Water Supply 98.3 42.18 -0.20 133,840 130,039 132,318 11,354
Texana Water Supply 82.7 41.16 -2.84 136,678 131,465 158,975 9,048
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.