South Climate Division Reservoirs: Monitored Water Supply Reservoirs are 14.5% full on 2025-08-26

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-08-26 14.5 416,176 360,684 2,481,249
Yesterday 2025-08-25 14.6 416,953 361,355 2,481,249
2 days ago 2025-08-24 14.7 419,610 363,617 2,481,249
1 week ago 2025-08-19 14.9 427,257 370,142 2,481,249
1 month ago 2025-07-26 15.9 463,275 393,833 2,481,249
3 months ago 2025-05-26 15.1 433,923 374,749 2,481,249
6 months ago 2025-02-26 16.6 488,184 411,510 2,481,249
1 year ago 2024-08-26 16.6 508,074 412,368 2,481,249
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

Reservoir Storage

Reservoir Type 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 Water Supply 12.1 183.66 -36.84 80,457 80,456 662,820 7,225
Corpus Christi Water Supply 17.8 78.82 -15.18 45,909 45,631 256,062 7,283
Falcon 1 Water Supply 15.0 254.14 -47.06 289,810 234,597 1,562,367 19,965
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.