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	4-Aug-25		22.80
RG AT EL PASO	4-Aug-25	1.240	16.13		8364000
RG BELOW AMERICAN DAM	4-Aug-25	1.524	2.95		8365000
AMERICAN CANAL	4-Aug-25	1.694	14.05		8364500
RG AT FORT QUITMAN	4-Aug-25	2.027	0.07		8370500
RG ABOVE RIO CONCHOS	4-Aug-25	2.426	0.50		8371500
RG BELOW RIO CONCHOS	4-Aug-25	0.633	2.22		8374200
RG AT JOHNSON RANCH	4-Aug-25	1.298	4.75		8375000
RG AT FOSTER RANCH	4-Aug-25	0.579	17.07		8377200
PECOS NEAR LANGTRY	4-Aug-25	0.427	1.50		8447410
DEVILS AT PAFFORD	4-Aug-25	0.642	2.44		8449400
AMISTAD DAM
RG AT DEL RIO	4-Aug-25	0.498	19.25		8451800
RG AT EAGLE PASS	4-Aug-25	1.021	30.80		8458000
RG NEAR EL INDIO	4-Aug-25	1.786	20.93		8458700
RG AT COLOMBIA	4-Aug-25	1.890	4.79		8458800
RG AT LAREDO	4-Aug-25	0.267	6.34		8459000
FALCON DAM
RG AT RIO GRANDE CTY	4-Aug-25	8.017	40.00		8464700
RG BL ANZALDUAS DAM	4-Aug-25	24.190	27.22		8469200
RG AT SAN BENITO	4-Aug-25	10.676	10.90		8473700
RG AT BROWNSVILLE	4-Aug-25	0.528	1.28		8475000
ANZALDUAS SALINITY	4-Aug-25	31.110	805	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
4-Aug-25	0:00	2496	2496	1307.925	91	0
					(4%)				1	0
CABALLO
4-Aug-25	0:00	280	403	1260.245	20	-2
					(7%)				1	0
AMISTAD - 08450800
4-Aug-25	0:00	3980	6056	321.960	950	0
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
4-Aug-25	0:00	3289	3923	77.870	392	-3
Requested	6:00	U.S.	35.00	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
4-Aug-25	0:00	25,160		3554.68	7,415	-16
LAKE MEAD
4-Aug-25	0:00	28,945		1054.15	7,986	5
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
8/3/25 0:00	245	377	0.000	56.367	0.300	23%
BOQUILLA
8/3/25 0:00	2894	3208	7.952	642.963	1.300	22%
F.I. MADERO
8/3/25 0:00	355	456	0.402	141.286	0.000	40%
PICO DEL AGUILA
8/3/25 0:00	48	89	-0.403	44.826	3.900	93%
CHIHUAHUA
8/3/25 0:00	23	36	0.000	12.476	0.090	53%
EL REJON
8/3/25 0:00	7	8	0.000	2.884	0.000	44%
LUIS L. LEON
8/3/25 0:00	284	825	-0.172	185.312	2.000	65%
RIO SAN DIEGO BASIN
CENTENARIO
8/3/25 0:00	25	26	0.185	7.329	0.000	30%
SAN MIGUEL
8/3/25 0:00	21	22	0.188	16.961	0.000	80%
RIO SAN RODRIGO BASIN
LA FRAGUA
8/3/25 0:00	47	85	0.000	42.223	0.000	89%
RIO SALADO BASIN
VENUSTIANO CARRANZA
8/3/25 0:00	614	1322	0.000	150.242	0.000	24%
RIO ALAMO BASIN
LAS BLANCAS
8/3/25 0:00	84	134	-0.122	25.937	0.300	31%
RIO SAN JUAN BASIN
EL CUCHILLO
8/3/25 0:00	1123	1784	-0.981	838.932	8.323	75%
MARTE GOMEZ
8/3/25 0:00	782	2209	-1.268	661.922	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.