San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 99.2% full on 2018-07-21

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2018-07-21 99.2 537,980 527,654 531,674
Yesterday 2018-07-20 99.3 538,787 528,036 531,674
2 days ago 2018-07-19 99.4 539,678 528,609 531,674
1 week ago 2018-07-14 99.8 543,419 530,524 531,674
1 month ago 2018-06-21 99.6 536,872 529,374 531,674
3 months ago 2018-04-21 99.9 543,024 531,099 531,674
6 months ago 2018-01-21 100.0 541,969 531,674 531,674
1 year ago 2017-07-21 99.9 542,832 530,907 531,674
*

 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 1as of 2018-07-20 - n.a. - 69.20 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 - n.a. - 71.69 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe 99.0 200.79 -0.21 407,002 406,968 410,988 19,091
Houston 100.0 42.34 0.61 130,978 120,686 120,686 - 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.