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 12/13/2014
47.0% of U.S. Total Conservation Capacity
39.4% of Mex. Total Conservation Capacity
Amistad Dam
Water Surface Elevation Feet Meters
Top of Normal Conservation 1,117.00 340.462
  @12/13/2014 1,087.17 331.370
Conservation Storages
Country Million
Cubic Meters
Thousand
Acre-Feet
United States 2,271 1,841
Mexico 1,770 1,435
Total Conservation* 4,040 3,276
*Values may not sum due to round-off error
Ownership and Releases @ 2400 hours on 12/13/2014
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 1,419 1,150 20.0 706.0
Mexico 704 571 3.00 106.0
Total Storage 2,123 1,721 23.0 812.0
% of US Capacity @ Normal Cons. 62.5%
Inflows, Releases, and Losses for week of 12/07-12/13
U.S. Inflows 30.6 Total Inflows 50.1
U.S. Releases 21.4 Total Releases 25.6
U.S. Losses 2.78 Total Losses 4.16
Falcon Dam
Water Surface Elevation feet meters
Top of Normal Conservation 301.20 91.805
  @12/13/2014 272.39 83.025
Conservation Storages Normal Conservation
Country Million
Cubic Meters
Thousand
Acre-Feet
United States 1,913 1,551
Mexico 1,352 1,096
Total Conservation* 3,265 2,647
*Values may not sum due to round-off error
Ownership and Releases @ 2400 hours on 12/13/2014
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 549 445 12.0 424.0
Mexico 525 426 0.000 0.000
Total Storage 1,075 872 12.0 424.0
*Values may not sum due to round-off error
% of US Capacity @ Normal Cons. 28.7%
Inflows, Releases, and Losses for week of 12/07-12/13
U.S. Inflows 26.6 Total Inflows 43.3
U.S. Releases 7.07 Total Releases 7.07
U.S. Losses 1.28 Total Losses 2.50
Note: All dam measurements based on elevation above mean sea level.
Conversion Table
Rio Grande Flow and Reservoir Storage Conditions (Updated daily Monday through Friday)
1996-Present Amistad-Falcon Ownership Trends
Other Graphics
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 12/18/2014