San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 100.0% full on 2026-07-16

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2026-07-16 100.0 571,148 549,895 549,895
1 day prior 2026-07-15 100.0 574,548 549,895 549,895
2 days prior 2026-07-14 100.0 562,380 549,895 549,895
1 week prior 2026-07-09 98.7 547,744 542,769 549,895
1 month prior 2026-06-16 100.0 557,403 549,895 549,895
3 months prior 2026-04-16 93.3 516,967 513,139 549,895
6 months prior 2026-01-16 95.8 530,439 526,611 549,895
1 year prior 2025-07-16 100.0 559,401 549,895 549,895
*

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

Area Map

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 2026-07-16 Flood Control - n.a. - 87.28 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2as of 2026-07-16 Flood Control - n.a. - 83.96 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroeas of 2026-07-16 Water Supply 100.0 201.33 0.33 424,906 417,577 417,577 20,635
Houstonas of 2026-07-16 Water Supply 100.0 43.25 0.87 146,242 132,318 132,318 - 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.