San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 99.6% full on 2022-05-21

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2022-05-21 99.6 543,227 539,218 541,135
Yesterday 2022-05-20 99.6 543,193 539,184 541,135
2 days ago 2022-05-19 99.8 544,220 539,985 541,135
1 week ago 2022-05-14 100.0 549,763 541,135 541,135
1 month ago 2022-04-21 99.2 540,943 536,934 541,135
3 months ago 2022-02-21 98.1 534,968 530,959 541,135
6 months ago 2021-11-21 95.6 522,376 517,349 541,135
1 year ago 2021-05-21 100.0 570,187 541,135 541,135
*

 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. - 76.44 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Barker 2 - n.a. - 81.45 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Conroe 99.5 200.90 -0.10 409,105 409,071 410,988 19,147
Houston 100.0 42.38 0.00 134,122 130,147 130,147 11,282
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.