Houston Area Reservoirs: Monitored Water Supply Reservoirs are 99.0% full on 2026-04-13

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2026-04-13 99.0 2,170,702 2,132,615 2,153,399
1 day prior 2026-04-12 99.0 2,168,437 2,131,843 2,153,399
2 days prior 2026-04-11 99.0 2,176,582 2,131,650 2,153,399
1 week prior 2026-04-06 99.0 2,160,230 2,132,036 2,153,399
1 month prior 2026-03-13 99.1 2,171,892 2,134,163 2,153,399
3 months prior 2026-01-13 98.2 2,119,580 2,114,834 2,153,399
6 months prior 2025-10-13 95.8 2,065,927 2,062,099 2,153,399
1 year prior 2025-04-13 99.9 2,219,510 2,150,818 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 2026-04-20 Flood Control - n.a. - 79.68 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2as of 2026-04-20 Flood Control - n.a. - 80.29 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroeas of 2026-04-20 Water Supply 94.8 199.90 -1.10 396,048 396,021 417,577 19,300
Houstonas of 2026-04-20 Water Supply 88.5 41.02 -1.36 120,966 117,165 132,318 10,842
Livingstonas of 2026-04-20 Water Supply 100.0 131.09 0.09 1,610,517 1,603,504 1,603,504 78,122
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.