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	20-Aug-25	2.270	1.04		8371500
RG BELOW RIO CONCHOS	20-Aug-25	0.824	8.48	1	8374200
RG AT JOHNSON RANCH	20-Aug-25	1.438	7.44		8375000
RG AT FOSTER RANCH	20-Aug-25	0.599	19.07		8377200
PECOS NEAR LANGTRY	20-Aug-25	0.419	1.11		8447410
DEVILS AT PAFFORD	20-Aug-25	0.629	2.37		8449400
AMISTAD DAM
RG AT DEL RIO	20-Aug-25	0.372	4.26		8451800
RG AT EAGLE PASS	20-Aug-25	1.025	31.20		8458000
RG NEAR EL INDIO	20-Aug-25	1.777	20.81		8458700
RG AT COLOMBIA	20-Aug-25	1.908	5.74		8458800
RG AT LAREDO	20-Aug-25	0.358	13.50		8459000
FALCON DAM
RG AT RIO GRANDE CTY	20-Aug-25	7.677	15.85		8464700
RG BL ANZALDUAS DAM	20-Aug-25	23.700	9.42		8469200
RG AT SAN BENITO	20-Aug-25	10.652	6.19		8473700
RG AT BROWNSVILLE	20-Aug-25	0.605	2.27		8475000
ANZALDUAS SALINITY	20-Aug-25	31.165	725	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
20-Aug-25	0:00	2496	2496	1307.990	92	0
					(4%)				1	0
CABALLO
20-Aug-25	0:00	280	403	1258.630	8	0
					(3%)				1	0
AMISTAD - 08450800
20-Aug-25	0:00	3980	6056	321.875	943	1
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
20-Aug-25	0:00	3289	3923	77.580	367	-1
Requested	6:00	U.S.	15.00	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
20-Aug-25	0:00	25,160		3550.82	7,153	-17
LAKE MEAD
20-Aug-25	0:00	28,945		1054.84	8,037	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
8/20/25 0:00	245	377	0.078	55.977	0.300	23%
BOQUILLA
8/20/25 0:00	2894	3208	21.778	693.838	1.300	24%
F.I. MADERO
8/20/25 0:00	355	456	1.683	155.248	0.000	44%
PICO DEL AGUILA
8/20/25 0:00	48	89	-0.179	38.332	2.200	79%
CHIHUAHUA
8/20/25 0:00	23	36	-0.020	12.476	0.090	53%
EL REJON
8/20/25 0:00	7	8	-0.005	2.884	0.000	44%
LUIS L. LEON
8/20/25 0:00	284	825	-1.512	178.643	20.000	63%
RIO SAN DIEGO BASIN
CENTENARIO
8/20/25 0:00	25	26	0.000	7.441	0.000	30%
SAN MIGUEL
8/20/25 0:00	21	22	-0.075	16.848	0.750	80%
RIO SAN RODRIGO BASIN
LA FRAGUA
8/20/25 0:00	47	85	0.000	40.987	0.960	87%
RIO SALADO BASIN
VENUSTIANO CARRANZA
8/20/25 0:00	614	1322	0.000	141.757	0.000	23%
RIO ALAMO BASIN
LAS BLANCAS
8/20/25 0:00	84	134	-0.122	23.984	0.300	29%
RIO SAN JUAN BASIN
EL CUCHILLO
8/20/25 0:00	1123	1784	-0.982	815.365	10.259	73%
MARTE GOMEZ
8/20/25 0:00	782	2209	-1.267	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.