San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 100.0% full on 2018-05-21

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2018-05-21 100.0 541,385 531,482 531,674
Yesterday 2018-05-20 99.4 538,532 528,418 531,674
2 days ago 2018-05-19 99.2 537,281 527,273 531,674
1 week ago 2018-05-14 99.5 540,466 529,183 531,674
1 month ago 2018-04-21 99.9 543,024 531,099 531,674
3 months ago 2018-02-21 100.0 543,710 531,674 531,674
6 months ago 2017-11-21 98.2 526,773 521,949 531,674
1 year ago 2017-05-21 98.7 530,732 524,987 531,674
*

 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 1 - n.a. - 77.06 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 - n.a. - 75.92 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe 100.0 200.99 -0.01 410,830 410,796 410,988 19,590
Houston 100.0 42.30 0.57 130,555 120,686 120,686 10,553
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.