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 07/12/2014
42.4% of U.S. Total Conservation Capacity
28.2% of Mex. Total Conservation Capacity
Amistad Dam
Water Surface Elevation Feet Meters
Top of Normal Conservation 1,117.00 340.462
  @07/12/2014 1,075.33 327.760
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 07/12/2014
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 1,232 999 30.0 1060.0
Mexico 362 293 3.00 106.0
Total Storage 1,594 1,292 33.0 1170.0
% of US Capacity @ Normal Cons. 54.3%
Inflows, Releases, and Losses for week of 07/06-07/12
U.S. Inflows 33.4 Total Inflows 44.9
U.S. Releases 33.2 Total Releases 37.1
U.S. Losses 10.2 Total Losses 13.1
Falcon Dam
Water Surface Elevation feet meters
Top of Normal Conservation 301.20 91.805
  @07/12/2014 272.08 82.930
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 07/12/2014
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 541 439 45.0 1590.0
Mexico 517 419 27.0 953.0
Total Storage 1,059 859 72.0 2540.0
*Values may not sum due to round-off error
% of US Capacity @ Normal Cons. 28.3%
Inflows, Releases, and Losses for week of 07/06-07/12
U.S. Inflows 31.0 Total Inflows 41.9
U.S. Releases 55.9 Total Releases 68.2
U.S. Losses 7.27 Total Losses 14.1
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 07/17/2014