The International Boundary & Water Commission, United States Section
Updated Rio Grande National Ownership of Waters
Stored At The International Amistad and Falcon Dams
Determination of ownership in the reservoirs is made weekly for the accounting period ending on each Saturday at midnight. Field data collections, exchange of data between the U.S and Mexico, and computation of national ownerships are usually completed by Thursday afternoon or Friday morning of the following week. Data are PRELIMINARY and subject to REVISION.
Estimated ownership @ 2400 hours on 11/09/2024
20.6% of U.S. Total Conservation Capacity
12.3% of Mex. Total Conservation Capacity
Amistad Dam
Water Surface Elevation Feet Meters
Top of Normal Conservation 1,117.00 340.462
  @11/09/2024 1,051.25 320.420
Conservation Storages
Country Million
Cubic Meters
Thousand
Acre-Feet
United States 2,236.814 1,813.404
Mexico 1,743.282 1,413.294
Total Conservation* 3,980.096 3,226.698
*Values may not sum due to round-off error
Ownership and Releases @ 2400 hours on 11/09/2024
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 597.329 484.260 15.0 530.0
Mexico 232.133 188.192 3.00 106.0
Total Storage 829.462 672.452 18.0 636.0
% of US Capacity @ Normal Cons. 26.70%
Inflows, Releases, and Losses for week of 11/03-11/09
U.S. Inflows (cms) 16.8 Total Inflows 22.5
U.S. Releases (cms) 15.6 Total Releases 19.0
U.S. Losses (cms) 2.99 Total Losses 4.15
Falcon Dam
Water Surface Elevation feet meters
Top of Normal Conservation 301.20 91.805
  @11/09/2024 256.10 78.060
Conservation Storages Normal Conservation
Country Million
Cubic Meters
Thousand
Acre-Feet
United States 1,927.193 1,562.392
Mexico 1,361.533 1,103.806
Total Conservation* 3,288.726 2,666.198
*Values may not sum due to round-off error
Ownership and Releases @ 2400 hours on 11/09/2024
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 258.637 209.679 20.0 706.0
Mexico 149.787 121.434 1.00 35.3
Total Storage 408.424 331.113 21.0 741.0
*Values may not sum due to round-off error
% of US Capacity @ Normal Cons. 13.42%
Inflows, Releases, and Losses for week of 11/03-11/09
U.S. Inflows (cms) 22.1 Total Inflows 41.1
U.S. Releases (cms) 14.9 Total Releases 15.8
U.S. Losses (cms) 2.70 Total Losses 4.21
Note: All dam measurements based on elevation above mean sea level.
Rio Grande Flow and Reservoir Storage Conditions (Updated daily Monday through Friday)
1996-Present Amistad-Falcon Ownership Trends
For further information concerning the content of this page contact:
Mr. William D. Finn
Chief, Water Accounting Division
e-mail: william.finn@ibwc.gov
(915) 832-4789
Last Updated 11/14/2024