San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 98.9% full on 2026-07-07

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-07-07 98.9 548,583 543,952 549,895
Yesterday 2026-07-06 99.0 549,092 544,346 549,895
2 days ago 2026-07-05 99.1 550,029 544,939 549,895
1 week ago 2026-06-30 99.4 551,152 546,521 549,895
1 month ago 2026-06-07 99.4 550,839 546,323 549,895
3 months ago 2026-04-07 96.0 533,618 527,953 549,895
6 months ago 2026-01-07 96.0 531,474 527,646 549,895
1 year ago 2025-07-07 100.0 558,299 549,895 549,895
*

 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. - 70.90 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe Water Supply 98.6 200.70 -0.30 411,661 411,634 417,577 19,732
Houston Water Supply 100.0 42.45 0.07 136,922 132,318 132,318 - 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.