San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 99.0% full on 2026-06-15

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-06-15 99.0 548,165 544,337 549,895
Yesterday 2026-06-14 99.1 550,061 544,741 549,895
2 days ago 2026-06-13 99.1 549,831 544,741 549,895
1 week ago 2026-06-08 99.4 552,103 546,323 549,895
1 month ago 2026-05-15 97.8 544,990 538,056 549,895
3 months ago 2026-03-15 96.5 537,441 530,853 549,895
6 months ago 2025-12-15 96.4 533,757 529,929 549,895
1 year ago 2025-06-15 100.0 562,935 549,895 549,895
*

 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. - 83.53 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 Flood Control - n.a. - 83.71 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe Water Supply 98.9 200.77 -0.23 413,043 413,016 417,577 19,770
Houston Water Supply 99.1 42.28 -0.10 134,977 131,176 132,318 11,398
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.