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 04/13/2024
21.7% of U.S. Total Conservation Capacity
21.9% of Mex. Total Conservation Capacity
Amistad Dam
Water Surface Elevation		Feet	Meters
Top of Normal Conservation		1,117.00	340.462
	@04/13/2024	1,050.79	320.280
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 04/13/2024
Country	Million Cubic Meters	Thousand Acre-Feet	Requested Releases CMS	Requested Releases CFS
United States	626.785	508.140	15.0	530.0
Mexico	192.326	155.920	3.00	106.0
Total Storage	819.111	664.060	18.0	636.0
% of US Capacity @ Normal Cons.	28.02%
Inflows, Releases, and Losses for week of 04/07-04/13
U.S. Inflows (cms)	19.8	Total Inflows	25.7
U.S. Releases (cms)	16.4	Total Releases	19.8
U.S. Losses (cms)	6.36	Total Losses	8.30
Falcon Dam
Water Surface Elevation		feet	meters
Top of Normal Conservation		301.20	91.805
	@04/13/2024	266.40	81.200
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 04/13/2024
Country	Million Cubic Meters	Thousand Acre-Feet	Requested Releases CMS	Requested Releases CFS
United States	277.632	225.079	45.0	1590.0
Mexico	487.656	395.347	74.0	2610.0
Total Storage	765.288	620.425	119.0	4200.0
*Values may not sum due to round-off error
% of US Capacity @ Normal Cons.	14.41%
Inflows, Releases, and Losses for week of 04/07-04/13
U.S. Inflows (cms)	9.18	Total Inflows	7.50
U.S. Releases (cms)	37.6	Total Releases	89.1
U.S. Losses (cms)	3.39	Total Losses	9.35
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 04/18/2024