San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 93.9% full on 2026-10-28

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2026-10-28 93.9 520,116 516,288 549,895
1 day prior 2026-10-27 93.9 520,192 516,364 549,895
2 days prior 2026-10-26 93.9 520,346 516,518 549,895
1 week prior 2026-10-21 94.2 521,834 518,006 549,895
1 month prior 2026-09-28 94.6 523,889 520,061 549,895
3 months prior 2026-07-28 98.7 546,796 542,968 549,895
6 months prior 2026-04-28 94.1 521,496 517,668 549,895
1 year prior 2025-10-28 97.0 537,398 533,570 549,895
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

recent reservoir storage 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.