San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 99.7% full on 2025-07-25

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-07-25 99.7 552,906 548,504 549,895
Yesterday 2025-07-24 99.7 552,906 548,504 549,895
2 days ago 2025-07-23 99.8 553,219 548,703 549,895
1 week ago 2025-07-18 100.0 555,437 549,895 549,895
1 month ago 2025-06-25 100.0 557,954 549,895 549,895
3 months ago 2025-04-25 100.0 563,770 549,895 549,895
6 months ago 2025-01-25 99.0 549,092 544,346 549,895
1 year ago 2024-07-25 100.0 590,273 549,895 549,895
*

 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. - - n.a. - - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroeas of 2025-07-24 Water Supply 99.7 200.93 -0.07 416,213 416,186 417,577 19,857
Houstonas of 2025-07-24 Water Supply 100.0 42.43 0.05 136,693 132,318 132,318 - n.a. -
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.