Rio-Grande River Basin Reservoirs: Monitored Water Supply Reservoirs are 22.5% full on 2023-12-09

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2023-12-09 22.5 1,412,202 793,100 3,526,885
Yesterday 2023-12-08 22.5 1,411,963 793,052 3,526,885
2 days ago 2023-12-07 22.5 1,411,543 792,887 3,526,885
1 week ago 2023-12-02 22.3 1,411,740 787,880 3,526,885
1 month ago 2023-11-09 21.6 1,380,408 763,508 3,526,885
3 months ago 2023-09-09 24.6 1,513,152 872,393 3,542,966
6 months ago 2023-06-09 32.5 1,840,414 1,152,507 3,542,966
1 year ago 2022-12-09 33.4 2,064,191 1,183,427 3,542,966
*

 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)
Amistad 1 26.7 1,061.71 -55.29 889,904 483,784 1,813,408 23,560
Falcon 1 16.0 261.33 -39.87 462,630 249,648 1,562,367 28,321
Red Bluff 39.5 2,811.72 -15.68 59,668 59,668 151,110 - n.a. -
footnotes
1

Lake Amistad and Lake Falcon straddle the border of Texas and Mexico. By treaty, Texas has rights to 56.2% of the total conservation capacity of Amistad and 58.6% of the total conservation capacity of Falcon. 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 the fixed percent of total conservation capacity. Conservation storage is based on the bi-weekly changing Texas share.