San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 99.5% full on 2021-07-30

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2021-07-30 99.5 544,579 538,644 541,135
Yesterday 2021-07-29 99.6 545,075 539,026 541,135
2 days ago 2021-07-28 99.6 545,040 539,218 541,135
1 week ago 2021-07-23 99.9 546,800 540,751 541,135
1 month ago 2021-06-30 99.5 542,653 538,644 541,135
3 months ago 2021-04-30 99.0 557,776 535,891 541,135
6 months ago 2021-01-30 99.9 544,965 540,572 541,135
1 year ago 2020-07-30 95.0 517,858 513,849 541,135
*

 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. - 68.65 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 - n.a. - 70.78 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe 99.4 200.87 -0.13 408,531 408,497 410,988 19,131
Houston 100.0 42.55 0.17 136,048 130,147 130,147 - 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.