RIO GRANDE FLOW / RESERVOIR CONDITIONS
The Rio Grande Flow Conditions are updated daily, Monday thru Friday at
approximately 9:35 am Mountain Time/10:35 am Central Time.
Previous Reports
The following data are Provisional and are subject to revision.  Stage and flow determinations are made
for river conditions at approximately 7:00 am to 8:00 am Standard Time unless otherwise indicated.
	DATE	STAGE	DISCHARGE	RAINFALL	WEB
		METERS	CMS	MM	LINK
RG BELOW CABALLO DAM	15-Aug-25		1.73
RG AT EL PASO	15-Aug-25	1.019	9.29		8364000
RG BELOW AMERICAN DAM	15-Aug-25	1.362	0.04		8365000
AMERICAN CANAL	15-Aug-25	1.390	8.69		8364500
RG AT FORT QUITMAN	15-Aug-25	1.843	0.01		8370500
RG ABOVE RIO CONCHOS	21-Aug-25	2.264	0.39		8371500
RG BELOW RIO CONCHOS	21-Aug-25	0.879	11.87	1	8374200
RG AT JOHNSON RANCH	21-Aug-25	1.491	8.62		8375000
RG AT FOSTER RANCH	21-Aug-25	0.595	18.64		8377200
PECOS NEAR LANGTRY	21-Aug-25	0.429	1.27		8447410
DEVILS AT PAFFORD	21-Aug-25	0.632	2.40	1	8449400
AMISTAD DAM
RG AT DEL RIO	21-Aug-25	0.420	8.92		8451800
RG AT EAGLE PASS	21-Aug-25	1.022	30.90		8458000
RG NEAR EL INDIO	21-Aug-25	1.778	20.93		8458700
RG AT COLOMBIA	21-Aug-25	1.917	6.21		8458800
RG AT LAREDO	21-Aug-25	0.367	14.18		8459000
FALCON DAM
RG AT RIO GRANDE CTY	21-Aug-25	7.748	20.61		8464700
RG BL ANZALDUAS DAM	21-Aug-25	23.770	11.90		8469200
RG AT SAN BENITO	21-Aug-25	10.554	5.88		8473700
RG AT BROWNSVILLE	21-Aug-25	0.603	2.26		8475000
ANZALDUAS SALINITY	21-Aug-25	31.030	675	PPM
STORED WATER IN LARGE RESERVOIRS OF THE RIO GRANDE BASIN
(Capacities and Storages in Million M3, Elevations in Meters)
Reservoir                     Date	Hour	Normal	Flood	Current		24-hr
		Cons.	Control	Elev.	Storage	Storage
		Capacity	Capacity		(% Cons.)	Change
ELEPHANT BUTTE									Criteria Checks
21-Aug-25	0:00	2496	2496	1307.995	92	0
					(4%)				1	0
CABALLO
21-Aug-25	0:00	280	403	1258.630	8	0
					(3%)				1	0
AMISTAD - 08450800
21-Aug-25	0:00	3980	6056	321.880	943	0
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
21-Aug-25	0:00	3289	3923	77.565	366	-1
Requested	6:00	U.S.	2.00	CMS	(11%)				0	1
Release		MEX.	9.00	CMS
STORED WATER IN LARGE RESERVOIRS OF THE COLORADO BASIN
(Capacities and Storages in 1000 Acre-Feet, Elevations in Feet)
Reservoir                     Date	Hour	Total Capacity		Current		24-hr
				Elev.	Storage	Storage
						Change
LAKE POWELL
21-Aug-25	0:00	25,160		3550.59	7,138	-15
LAKE MEAD
21-Aug-25	0:00	28,945		1054.89	8,040	4
MEXICAN RESERVOIRS
(Storages in Million M3, Elevations in Meters, Releases in CMS)
Reservoir                     Date	Normal	Flood	Current		Spill	Percent
	Cons.	Control	Chg in Sto.	Storage	or	of
	Capacity	Capacity			Release	Cons.
RIO CONCHOS BASIN
SAN GABRIEL
8/21/25 0:00	245	377	0.000	55.977	0.300	23%
BOQUILLA
8/21/25 0:00	2894	3208	15.155	708.993	1.300	25%
F.I. MADERO
8/21/25 0:00	355	456	0.420	155.668	0.000	44%
PICO DEL AGUILA
8/21/25 0:00	48	89	-0.225	38.107	2.200	79%
CHIHUAHUA
8/21/25 0:00	23	36	0.000	12.476	0.090	53%
EL REJON
8/21/25 0:00	7	8	0.000	2.884	0.000	44%
LUIS L. LEON
8/21/25 0:00	284	825	-1.679	176.964	20.000	62%
RIO SAN DIEGO BASIN
CENTENARIO
8/21/25 0:00	25	26	0.000	7.441	0.000	30%
SAN MIGUEL
8/21/25 0:00	21	22	-0.414	16.434	0.750	78%
RIO SAN RODRIGO BASIN
LA FRAGUA
8/21/25 0:00	47	85	0.000	40.987	0.960	87%
RIO SALADO BASIN
VENUSTIANO CARRANZA
8/21/25 0:00	614	1322	-0.446	141.311	0.000	23%
RIO ALAMO BASIN
LAS BLANCAS
8/21/25 0:00	84	134	-0.122	23.862	0.300	28%
RIO SAN JUAN BASIN
EL CUCHILLO
8/21/25 0:00	1123	1784	-1.963	813.402	10.213	72%
MARTE GOMEZ
8/21/25 0:00	782	2209	0.000	640.372	10.000	82%
Contributions from Rio Alamo and Rio San Juan to the Rio Grande are allotted 100% to Mexico per 1944 Treaty
article 4 (a)
** Usable storage is an estimate of waters in storage which could be released through existing outlet works.