San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 93.9% full on 2026-10-29

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-10-29 93.9 519,925 516,097 549,895
Yesterday 2026-10-28 93.9 520,116 516,288 549,895
2 days ago 2026-10-27 93.9 520,192 516,364 549,895
1 week ago 2026-10-22 94.2 521,757 517,929 549,895
1 month ago 2026-09-29 94.4 523,088 519,260 549,895
3 months ago 2026-07-29 98.7 546,315 542,487 549,895
6 months ago 2026-04-29 94.3 522,269 518,441 549,895
1 year ago 2025-10-29 97.0 537,055 533,227 549,895
*

 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 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. -
Conroe Water Supply 92.5 199.38 -1.62 386,085 386,058 417,577 19,018
Houstonas of 2026-10-28 Water Supply 98.3 42.18 -0.20 133,840 130,039 132,318 11,354
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.