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	22-Aug-25		6.82
RG AT EL PASO	22-Aug-25	0.673	0.53		8364000
RG BELOW AMERICAN DAM	22-Aug-25	1.300	0.00		8365000
AMERICAN CANAL	22-Aug-25	0.646	0.68		8364500
RG AT FORT QUITMAN	22-Aug-25	2.185	0.11		8370500
RG ABOVE RIO CONCHOS	22-Aug-25	2.250	0.35		8371500
RG BELOW RIO CONCHOS	22-Aug-25	0.891	12.63	1	8374200
RG AT JOHNSON RANCH	22-Aug-25	1.544	7.58		8375000
RG AT FOSTER RANCH	22-Aug-25	0.588	17.90		8377200
PECOS NEAR LANGTRY	22-Aug-25	0.451	1.65		8447410
DEVILS AT PAFFORD	22-Aug-25	0.641	2.58		8449400
AMISTAD DAM
RG AT DEL RIO	22-Aug-25	0.444	11.80		8451800
RG AT EAGLE PASS	22-Aug-25	0.961	26.20		8458000
RG NEAR EL INDIO	22-Aug-25	1.773	19.97		8458700
RG AT COLOMBIA	22-Aug-25	1.971	17.07		8458800
RG AT LAREDO	22-Aug-25	0.369	14.33		8459000
FALCON DAM				1
RG AT RIO GRANDE CTY	22-Aug-25	7.687	16.49		8464700
RG BL ANZALDUAS DAM	22-Aug-25	23.770	11.90		8469200
RG AT SAN BENITO	22-Aug-25	10.580	6.47		8473700
RG AT BROWNSVILLE	22-Aug-25	0.629	2.45		8475000
ANZALDUAS SALINITY	22-Aug-25	31.050	680	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
22-Aug-25	0:00	2496	2496	1307.995	92	0
					(4%)				1	0
CABALLO
22-Aug-25	0:00	280	403	1258.630	8	0
					(3%)				1	0
AMISTAD - 08450800
22-Aug-25	0:00	3980	6056	321.900	945	2
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
22-Aug-25	0:00	3289	3923	77.565	366	0
Requested	6:00	U.S.	10.00	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
22-Aug-25	0:00	25,160		3550.33	7,120	-17
LAKE MEAD
22-Aug-25	0:00	28,945		1054.89	8,040	0
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
8/22/25 0:00	245	377	0.000	55.977	0.300	23%
BOQUILLA
8/22/25 0:00	2894	3208	8.308	717.301	1.300	25%
F.I. MADERO
8/22/25 0:00	355	456	1.684	157.352	0.000	44%
PICO DEL AGUILA
8/22/25 0:00	48	89	-0.179	37.928	2.200	79%
CHIHUAHUA
8/22/25 0:00	23	36	0.000	12.476	0.090	53%
EL REJON
8/22/25 0:00	7	8	0.000	2.884	0.000	44%
LUIS L. LEON
8/22/25 0:00	284	825	-1.848	175.116	20.000	62%
RIO SAN DIEGO BASIN
CENTENARIO
8/22/25 0:00	25	26	0.000	7.441	0.000	30%
SAN MIGUEL
8/22/25 0:00	21	22	0.263	16.697	0.000	79%
RIO SAN RODRIGO BASIN
LA FRAGUA
8/22/25 0:00	47	85	0.000	40.987	0.960	87%
RIO SALADO BASIN
VENUSTIANO CARRANZA
8/22/25 0:00	614	1322	0.000	141.311	0.000	23%
RIO ALAMO BASIN
LAS BLANCAS
8/22/25 0:00	84	134	0.000	23.862	0.300	28%
RIO SAN JUAN BASIN
EL CUCHILLO
8/22/25 0:00	1123	1784	-0.982	812.420	10.155	72%
MARTE GOMEZ
8/22/25 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.