San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 95.7% full on 2026-01-22

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-01-22 95.7 530,355 526,412 549,895
Yesterday 2026-01-21 95.5 529,170 525,342 549,895
2 days ago 2026-01-20 95.3 527,873 524,045 549,895
1 week ago 2026-01-15 95.7 530,096 526,268 549,895
1 month ago 2025-12-22 96.4 534,594 530,078 549,895
3 months ago 2025-10-22 95.9 531,367 527,539 549,895
6 months ago 2025-07-22 99.9 554,075 549,100 549,895
1 year ago 2025-01-22 98.9 547,946 544,118 549,895
*

 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. - 76.36 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 69.91 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe Water Supply 94.4 199.80 -1.20 394,121 394,094 417,577 19,245
Houston Water Supply 100.0 42.39 0.01 136,234 132,318 132,318 - 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.