Region-H Planning Region Reservoirs: Monitored Water Supply Reservoirs are 91.3% full on 2026-09-30

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2026-09-30 91.3 1,969,057 1,965,229 2,153,399
1 day prior 2026-09-29 91.5 1,974,014 1,970,186 2,153,399
2 days prior 2026-09-28 91.7 1,979,170 1,975,342 2,153,399
1 week prior 2026-09-23 92.6 1,998,288 1,994,460 2,153,399
1 month prior 2026-08-30 94.3 2,035,176 2,031,004 2,153,399
3 months prior 2026-06-30 99.8 2,164,798 2,150,025 2,153,399
6 months prior 2026-03-30 98.7 2,129,796 2,125,968 2,153,399
1 year prior 2025-09-30 97.8 2,110,644 2,106,816 2,153,399
*

 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 2026-09-30 Flood Control - n.a. - 76.41 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 69.35 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe Water Supply 93.0 199.50 -1.50 388,371 388,344 417,577 19,083
Houstonas of 2026-09-30 Water Supply 98.2 42.17 -0.21 133,726 129,925 132,318 11,350
Livingston Water Supply 90.1 128.87 -2.13 1,444,407 1,444,407 1,603,504 72,347
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.