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 01/07/2017
63.6% of U.S. Total Conservation Capacity
40.0% of Mex. Total Conservation Capacity
Amistad Dam
Water Surface Elevation Feet Meters
Top of Normal Conservation 1,117.00 340.462
  @01/07/2017 1,100.72 335.500
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 01/07/2017
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 1,912 1,550 20.0 706.0
Mexico 974 790 3.00 106.0
Total Storage 2,886 2,340 23.0 812.0
% of US Capacity @ Normal Cons. 84.2%
Inflows, Releases, and Losses for week of 01/01-01/07
U.S. Inflows 27.5 Total Inflows 44.4
U.S. Releases 21.7 Total Releases 26.0
U.S. Losses 7.74 Total Losses 11.7
Falcon Dam
Water Surface Elevation feet meters
Top of Normal Conservation 301.20 91.805
  @01/07/2017 271.29 82.690
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 01/07/2017
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 747 606 45.0 1590.0
Mexico 273 221 190.0 6710.0
Total Storage 1,021 828 235.0 8300.0
*Values may not sum due to round-off error
% of US Capacity @ Normal Cons. 39.0%
Inflows, Releases, and Losses for week of 01/01-01/07
U.S. Inflows 34.8 Total Inflows 53.4
U.S. Releases 37.7 Total Releases 192.0
U.S. Losses 3.32 Total Losses 4.71
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 01/12/2017