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	27-Jul-26		17.72
RG AT EL PASO	27-Jul-26	1.089	11.11		8364000
RG BELOW AMERICAN DAM	27-Jul-26	1.097	0.01		8365000
AMERICAN CANAL	27-Jul-26	1.445	10.11		8364500
RG AT FORT QUITMAN	27-Jul-26	1.945	0.01		8370500
RG ABOVE RIO CONCHOS	27-Jul-26	2.276	0.41		8371500
RG BELOW RIO CONCHOS	27-Jul-26	0.531	0.00	11	8374200
RG AT JOHNSON RANCH	27-Jul-26	1.466	0.30		8375000
RG AT FOSTER RANCH	27-Jul-26	0.547	15.55		8377200
PECOS NEAR LANGTRY	27-Jul-26	0.684	10.11		8447410
DEVILS AT PAFFORD	27-Jul-26	0.775	11.86		8449400
AMISTAD DAM
RG AT DEL RIO	27-Jul-26	0.488	16.21		8451800
RG AT EAGLE PASS	27-Jul-26	1.171	46.20		8458000
RG NEAR EL INDIO	27-Jul-26	1.896	34.97		8458700
RG AT COLOMBIA	27-Jul-26	2.121	33.73		8458800
RG AT LAREDO	27-Jul-26	0.571	33.33		8459000
FALCON DAM
RG AT RIO GRANDE CTY	27-Jul-26	8.137	55.55		8464700
RG BL ANZALDUAS DAM	27-Jul-26	24.260	30.28		8469200
RG AT SAN BENITO	27-Jul-26	10.707	11.83		8473700
RG AT BROWNSVILLE	27-Jul-26	0.552	1.93		8475000
ANZALDUAS SALINITY	27-Jul-26	31.625	630	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
27-Jul-26	0:00	2496	2496	1303.295	35	-2
					(1%)				1	0
CABALLO
27-Jul-26	0:00	280	403	1260.240	19	0
					(7%)				1	0
AMISTAD - 08450800
27-Jul-26	0:00	3980	6056	322.070	959	3
Requested	6:00	U.S.	10.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
27-Jul-26	0:00	3289	3923	80.815	713	-1
Requested	6:00	U.S.	45.00	CMS	(22%)				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
27-Jul-26	0:00	25,160		3522.9	5,425	-3
LAKE MEAD
27-Jul-26	0:00	28,945		1041.22	7,062	1
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
7/27/26 0:00	245	377	0.000	50.775	0.000	21%
BOQUILLA
7/27/26 0:00	2847	3208	0.000	708.400	26.570	25%
F.I. MADERO
7/27/26 0:00	333	456	0.000	201.348	0.000	60%
PICO DEL AGUILA
7/27/26 0:00	48	89	0.000	43.480	0.000	90%
CHIHUAHUA
7/27/26 0:00	23	36	-0.016	9.432	0.090	40%
EL REJON
7/27/26 0:00	7	8	-0.004	2.312	0.000	35%
LUIS L. LEON
7/27/26 0:00	284	825	0.107	64.708	0.000	23%
RIO SAN DIEGO BASIN
CENTENARIO
7/27/26 0:00	25	26	0.000	7.285	0.000	30%
SAN MIGUEL
7/27/26 0:00	21	22	-0.099	12.759	0.000	60%
RIO SAN RODRIGO BASIN
LA FRAGUA
7/27/26 0:00	47	85	0.000	18.199	0.000	38%
RIO SALADO BASIN
VENUSTIANO CARRANZA
7/27/26 0:00	614	1322	-0.673	83.119	0.000	14%
RIO ALAMO BASIN
LAS BLANCAS
7/27/26 0:00	84	134	-0.039	22.734	0.300	27%
RIO SAN JUAN BASIN
EL CUCHILLO
7/27/26 0:00	1123	1784	-0.982	650.403	9.232	58%
MARTE GOMEZ
7/27/26 0:00	782	2209	-1.031	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.