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	31-Jul-25		29.55
RG AT EL PASO	31-Jul-25	1.489	27.10		8364000
RG BELOW AMERICAN DAM	31-Jul-25	1.902	3.89		8365000
AMERICAN CANAL	31-Jul-25	2.022	21.78		8364500
RG AT FORT QUITMAN	31-Jul-25	2.097	0.10		8370500
RG ABOVE RIO CONCHOS	31-Jul-25	2.359	0.28		8371500
RG BELOW RIO CONCHOS	31-Jul-25	0.645	2.39	4	8374200
RG AT JOHNSON RANCH	31-Jul-25	1.370	6.05		8375000
RG AT FOSTER RANCH	31-Jul-25	0.608	20.20		8377200
PECOS NEAR LANGTRY	31-Jul-25	0.418	1.35		8447410
DEVILS AT PAFFORD	31-Jul-25	0.644	2.48		8449400
AMISTAD DAM
RG AT DEL RIO	31-Jul-25	0.502	19.90		8451800
RG AT EAGLE PASS	31-Jul-25	1.003	29.40		8458000
RG NEAR EL INDIO	31-Jul-25	1.771	19.10		8458700
RG AT COLOMBIA	31-Jul-25	1.917	6.21		8458800
RG AT LAREDO	31-Jul-25	0.280	7.72		8459000
FALCON DAM
RG AT RIO GRANDE CTY	31-Jul-25	7.664	12.89		8464700
RG BL ANZALDUAS DAM	31-Jul-25	23.740	10.82		8469200
RG AT SAN BENITO	31-Jul-25	10.654	5.96		8473700
RG AT BROWNSVILLE	31-Jul-25	0.678	1.82		8475000
ANZALDUAS SALINITY	31-Jul-25	31.150	885	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
31-Jul-25	0:00	2496	2496	1307.905	90	1
					(4%)				1	0
CABALLO
31-Jul-25	0:00	280	403	1261.170	28	-2
					(10%)				1	0
AMISTAD - 08450800
31-Jul-25	0:00	3980	6056	321.960	950	0
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	4.40	CMS
FALCON - 08461200
31-Jul-25	0:00	3289	3923	77.980	401	-1
Requested	6:00	U.S.	10.00	CMS	(12%)				0	1
Release		MEX.	7.00	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
31-Jul-25	0:00	25,160		3555.59	7,478	-15
LAKE MEAD
31-Jul-25	0:00	28,945		1054.22	7,991	-6
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
7/31/25 0:00	245	377	0.000	56.367	0.000	23%
BOQUILLA
7/31/25 0:00	2894	3208	5.301	630.240	1.300	22%
F.I. MADERO
7/31/25 0:00	355	456	0.804	140.081	0.000	39%
PICO DEL AGUILA
7/31/25 0:00	48	89	-0.101	45.480	2.200	94%
CHIHUAHUA
7/31/25 0:00	23	36	0.000	12.457	0.090	53%
EL REJON
7/31/25 0:00	7	8	0.000	2.880	0.000	44%
LUIS L. LEON
7/31/25 0:00	284	825	0.000	185.828	0.000	65%
RIO SAN DIEGO BASIN
CENTENARIO
7/31/25 0:00	25	26	0.121	7.144	0.000	29%
SAN MIGUEL
7/31/25 0:00	21	22	0.076	16.773	0.000	79%
RIO SAN RODRIGO BASIN
LA FRAGUA
7/31/25 0:00	47	85	-0.619	42.223	0.000	89%
RIO SALADO BASIN
VENUSTIANO CARRANZA
7/31/25 0:00	614	1322	0.446	150.242	0.000	24%
RIO ALAMO BASIN
LAS BLANCAS
7/31/25 0:00	84	134	-0.122	26.303	0.300	31%
RIO SAN JUAN BASIN
EL CUCHILLO
7/31/25 0:00	1123	1784	-1.964	841.877	7.521	75%
MARTE GOMEZ
7/31/25 0:00	782	2209	-1.267	665.726	10.000	85%
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.