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 08/20/2016
56.7% of U.S. Total Conservation Capacity
32.0% of Mex. Total Conservation Capacity
Amistad Dam
Water Surface Elevation Feet Meters
Top of Normal Conservation 1,117.00 340.462
  @08/20/2016 1,094.88 333.720
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 08/20/2016
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 1,761 1,428 20.0 706.0
Mexico 775 628 3.00 106.0
Total Storage 2,536 2,056 23.0 812.0
% of US Capacity @ Normal Cons. 77.6%
Inflows, Releases, and Losses for week of 08/14-08/20
U.S. Inflows 163.0 Total Inflows 270.0
U.S. Releases 21.6 Total Releases 25.7
U.S. Losses 6.79 Total Losses 9.73
Falcon Dam
Water Surface Elevation feet meters
Top of Normal Conservation 301.20 91.805
  @08/20/2016 267.29 81.470
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 08/20/2016
Country Million
Cubic Meters
Thousand
Acre-Feet
Requested
Releases
CMS
Requested
Releases
CFS
United States 613 497 60.0 2120.0
Mexico 225 182 10.0 353.0
Total Storage 838 679 70.0 2470.0
*Values may not sum due to round-off error
% of US Capacity @ Normal Cons. 32.0%
Inflows, Releases, and Losses for week of 08/14-08/20
U.S. Inflows 39.0 Total Inflows 68.1
U.S. Releases 43.1 Total Releases 53.9
U.S. Losses 7.00 Total Losses 9.50
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 08/25/2016