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-26		0.03
RG AT EL PASO	4-Aug-26	0.535	0.09		8364000
RG BELOW AMERICAN DAM	4-Aug-26	1.099	0.00		8365000
AMERICAN CANAL	4-Aug-26	0.568	0.46		8364500
RG AT FORT QUITMAN	4-Aug-26	1.967	0.00		8370500
RG ABOVE RIO CONCHOS	4-Aug-26	2.120	0.00		8371500
RG BELOW RIO CONCHOS	4-Aug-26	0.522	0.29		8374200
RG AT JOHNSON RANCH	4-Aug-26	1.465	0.30		8375000
RG AT FOSTER RANCH	4-Aug-26	0.448	7.02		8377200
PECOS NEAR LANGTRY	4-Aug-26	0.603	6.01		8447410
DEVILS AT PAFFORD	4-Aug-26	0.748	9.84		8449400
AMISTAD DAM
RG AT DEL RIO	4-Aug-26	0.512	19.89		8451800
RG AT EAGLE PASS	4-Aug-26	1.113	31.73		8458000
RG NEAR EL INDIO	4-Aug-26	1.890	32.02		8458700
RG AT COLOMBIA	4-Aug-26	2.097	31.39		8458800
RG AT LAREDO	4-Aug-26	0.524	29.96		8459000
FALCON DAM
RG AT RIO GRANDE CTY	4-Aug-26	7.947	35.09		8464700
RG BL ANZALDUAS DAM	4-Aug-26	24.070	23.72		8469200
RG AT SAN BENITO	4-Aug-26	10.704	11.68		8473700
RG AT BROWNSVILLE	4-Aug-26	0.609	2.84		8475000
ANZALDUAS SALINITY	4-Aug-26	31.585	500	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-26	0:00	2496	2496	1303.085	33	0
					(1%)				1	0
CABALLO
4-Aug-26	0:00	280	403	1260.085	18	0
					(7%)				1	0
AMISTAD - 08450800
4-Aug-26	0:00	3980	6056	322.155	966	0
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
4-Aug-26	0:00	3289	3923	80.660	693	-3
Requested	6:00	U.S.	5.00	CMS	(21%)				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-26	0:00	25,160		3521.88	5,367	-9
LAKE MEAD
4-Aug-26	0:00	28,945		1040.85	7,036	-8
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
8/4/26 0:00	245	377	0.000	50.562	0.300	21%
BOQUILLA
8/3/26 0:00	2847	3208	0.000	693.840	34.070	24%
F.I. MADERO
8/3/26 0:00	333	456	0.000	198.622	5.700	60%
PICO DEL AGUILA
8/4/26 0:00	48	89	-0.571	40.578	6.200	84%
CHIHUAHUA
8/4/26 0:00	23	36	-0.017	9.332	0.060	40%
EL REJON
8/4/26 0:00	7	8	-0.004	2.288	0.000	35%
LUIS L. LEON
8/4/26 0:00	284	825	-0.107	64.063	0.000	23%
RIO SAN DIEGO BASIN
CENTENARIO
8/4/26 0:00	25	26	0.000	7.886	0.000	32%
SAN MIGUEL
8/4/26 0:00	21	22	0.033	12.858	0.000	61%
RIO SAN RODRIGO BASIN
LA FRAGUA
8/4/26 0:00	47	85	0.000	18.199	0.000	38%
RIO SALADO BASIN
VENUSTIANO CARRANZA
8/4/26 0:00	614	1322	-0.336	79.754	0.000	13%
RIO ALAMO BASIN
LAS BLANCAS
8/4/26 0:00	84	134	0.078	22.580	0.300	27%
RIO SAN JUAN BASIN
EL CUCHILLO
8/4/26 0:00	1123	1784	0.812	640.321	8.501	57%
MARTE GOMEZ
8/4/26 0:00	782	2209	0.000	493.408	0.000	63%
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.