San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 93.0% full on 2018-09-21

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Most recent 2018-09-21 93.0 501,760 494,469 531,674
1 day prior 2018-09-20 93.0 501,528 494,651 531,674
2 days prior 2018-09-19 93.1 501,687 495,016 531,674
1 week prior 2018-09-14 93.2 502,829 495,745 531,674
1 month prior 2018-08-21 95.4 519,042 507,331 531,674
3 months prior 2018-06-21 99.6 537,287 529,374 531,674
6 months prior 2018-03-21 100.0 543,153 531,674 531,674
1 year prior 2017-09-21 100.0 544,377 531,482 531,674
*

 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 2018-09-21 - n.a. - 73.47 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2as of 2018-09-21 - n.a. - 72.09 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroeas of 2018-09-21 90.9 199.01 -1.99 373,817 373,783 410,988 18,210
Houstonas of 2018-09-21 100.0 42.05 0.32 127,943 120,686 120,686 10,356
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.