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	21-Aug-26		0.03
RG AT EL PASO	21-Aug-26	0.501	0.23		8364000
RG BELOW AMERICAN DAM	21-Aug-26	1.108	0.15		8365000
AMERICAN CANAL	21-Aug-26	0.540	0.40		8364500
RG AT FORT QUITMAN	21-Aug-26	2.047	0.04		8370500
RG ABOVE RIO CONCHOS	21-Aug-26	1.993	0.00		8371500
RG BELOW RIO CONCHOS	21-Aug-26	0.403	0.08		8374200
RG AT JOHNSON RANCH	21-Aug-26	1.543	0.38		8375000
RG AT FOSTER RANCH	21-Aug-26	0.484	9.57		8377200
PECOS NEAR LANGTRY	21-Aug-26	0.540	3.79		8447410
DEVILS AT PAFFORD	21-Aug-26	0.708	4.86		8449400
AMISTAD DAM
RG AT DEL RIO	21-Aug-26	0.456	12.06		8451800
RG AT EAGLE PASS	21-Aug-26	0.966	13.91		8458000
RG NEAR EL INDIO	21-Aug-26	1.858	29.04		8458700
RG AT COLOMBIA	21-Aug-26	1.933	20.70		8458800
RG AT LAREDO	21-Aug-26	0.410	19.44		8459000
FALCON DAM
RG AT RIO GRANDE CTY	21-Aug-26	7.879	29.43		8464700
RG BL ANZALDUAS DAM	21-Aug-26	24.140	26.16		8469200
RG AT SAN BENITO	21-Aug-26	10.623	7.83		8473700
RG AT BROWNSVILLE	21-Aug-26	0.681	3.02		8475000
ANZALDUAS SALINITY	21-Aug-26	31.470	580	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
21-Aug-26	0:00	2496	2496	1303.135	34	0
					(1%)				1	0
CABALLO
21-Aug-26	0:00	280	403	1260.050	18	0
					(6%)				1	0
AMISTAD - 08450800
21-Aug-26	0:00	3980	6056	322.125	964	0
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
21-Aug-26	0:00	3289	3923	80.265	643	-3
Requested	6:00	U.S.	25.00	CMS	(20%)				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
21-Aug-26	0:00	25,160		3519.2	5,217	-9
LAKE MEAD
21-Aug-26	0:00	28,945		1039.44	6,939	-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
8/21/26 0:00	245	377	0.000	53.835	0.400	22%
BOQUILLA
8/21/26 0:00	2847	3208	0.000	647.245	29.500	23%
F.I. MADERO
8/21/26 0:00	333	456	0.000	184.819	6.000	55%
PICO DEL AGUILA
8/21/26 0:00	48	89	-0.507	31.051	5.500	64%
CHIHUAHUA
8/21/26 0:00	23	36	-0.017	9.200	0.090	39%
EL REJON
8/21/26 0:00	7	8	-0.004	2.260	0.000	35%
LUIS L. LEON
8/21/26 0:00	284	825	-0.108	64.170	0.000	23%
RIO SAN DIEGO BASIN
CENTENARIO
8/21/26 0:00	25	26	0.044	8.354	0.000	34%
SAN MIGUEL
8/21/26 0:00	21	22	-0.153	11.625	1.000	55%
RIO SAN RODRIGO BASIN
LA FRAGUA
8/21/26 0:00	47	85	0.000	17.760	1.500	38%
RIO SALADO BASIN
VENUSTIANO CARRANZA
8/21/26 0:00	614	1322	-0.244	75.654	0.000	12%
RIO ALAMO BASIN
LAS BLANCAS
8/21/26 0:00	84	134	-0.038	21.845	0.300	26%
RIO SAN JUAN BASIN
EL CUCHILLO
8/21/26 0:00	1123	1784	-1.624	619.214	7.884	55%
MARTE GOMEZ
8/21/26 0:00	782	2209	0.000	498.894	0.000	64%
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.