San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 99.7% full on 2021-07-28

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2021-07-28 99.7 545,117 539,409 541,135
Yesterday 2021-07-27 99.7 544,628 539,601 541,135
2 days ago 2021-07-26 99.8 545,352 539,985 541,135
1 week ago 2021-07-21 100.0 547,490 541,135 541,135
1 month ago 2021-06-28 99.6 543,975 538,835 541,135
3 months ago 2021-04-28 100.0 548,756 541,135 541,135
6 months ago 2021-01-28 99.8 544,596 540,010 541,135
1 year ago 2020-07-28 95.0 518,258 514,249 541,135
*

 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. - 72.13 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 - n.a. - 72.83 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe 99.6 200.91 -0.09 409,296 409,262 410,988 19,196
Houston 100.0 42.53 0.15 135,821 130,147 130,147 - 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.