South Climate Division Reservoirs: Monitored Water Supply Reservoirs are 39.2% full on 2021-07-30

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2021-07-30 39.2 1,069,609 967,970 2,469,889
Yesterday 2021-07-29 39.2 1,069,017 967,366 2,469,889
2 days ago 2021-07-28 39.5 1,070,633 976,726 2,469,889
1 week ago 2021-07-23 39.3 1,064,648 971,664 2,469,889
1 month ago 2021-06-30 37.1 979,619 915,555 2,469,889
3 months ago 2021-04-30 26.9 699,927 664,569 2,469,889
6 months ago 2021-01-30 31.9 847,770 786,734 2,469,889
1 year ago 2020-07-30 33.8 943,153 834,651 2,469,889
*

 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)
Choke Canyon 50.1 204.80 -15.70 332,359 332,358 662,820 16,868
Corpus Christi 93.2 93.10 -0.90 238,806 238,528 256,062 19,215
Falcon 1 25.6 261.71 -39.39 498,444 397,084 1,551,007 29,374
footnotes
1

Lake Falcon straddles the border of Texas and Mexico. By treaty, Texas has rights 58.6% of the total conservation capacity. The fraction of the actual storage that belongs to Texas is formally determined biweekly by the International Boundary Water Commission (IBWC). The IBWC is the legal repository of data related to this lake for treaty purposes and official versions of the datasets should be obtained directly from them. Conservation capacity is based on 58.6% of total conservation capacity. Conservation storage is based on the bi-weekly changing Texas share.