San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 95.4% full on 2021-10-20

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2021-10-20 95.4 522,740 516,236 541,135
Yesterday 2021-10-19 95.4 522,812 516,422 541,135
2 days ago 2021-10-18 95.5 523,597 516,978 541,135
1 week ago 2021-10-13 95.6 525,040 517,164 541,135
1 month ago 2021-09-20 95.4 521,603 516,236 541,135
3 months ago 2021-07-20 100.0 547,875 541,135 541,135
6 months ago 2021-04-20 96.6 527,140 522,565 541,135
1 year ago 2020-10-20 94.0 512,605 508,596 541,135
*

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

Area Map

Reservoir Storage

Reservoir 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 - n.a. - 69.30 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 - n.a. - 70.74 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe 93.9 199.68 -1.32 386,123 386,089 410,988 18,529
Houston 100.0 42.60 0.22 136,617 130,147 130,147 - 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.