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-Jul-26		25.48
RG AT EL PASO	21-Jul-26	1.334	18.43		8364000
RG BELOW AMERICAN DAM	21-Jul-26	1.540	3.31		8365000
AMERICAN CANAL	21-Jul-26	1.664	14.41		8364500
RG AT FORT QUITMAN	21-Jul-26	2.165	0.02		8370500
RG ABOVE RIO CONCHOS	21-Jul-26	2.333	0.69		8371500
RG BELOW RIO CONCHOS	21-Jul-26	1.041	15.28	11	8374200
RG AT JOHNSON RANCH	21-Jul-26	2.745	54.50		8375000
RG AT FOSTER RANCH	21-Jul-26	0.889	62.60		8377200
PECOS NEAR LANGTRY	21-Jul-26	0.805	17.50		8447410
DEVILS AT PAFFORD	21-Jul-26	0.968	24.10		8449400
AMISTAD DAM
RG AT DEL RIO	21-Jul-26	0.491	20.50		8451800
RG AT EAGLE PASS	21-Jul-26	1.320	69.20		8458000
RG NEAR EL INDIO	21-Jul-26	2.073	64.40		8458700
RG AT COLOMBIA	21-Jul-26	2.681	94.99		8458800
RG AT LAREDO	21-Jul-26	1.248	120.44		8459000
FALCON DAM
RG AT RIO GRANDE CTY	21-Jul-26	7.798	23.37		8464700
RG BL ANZALDUAS DAM	21-Jul-26	24.050	23.02		8469200
RG AT SAN BENITO	21-Jul-26	10.626	8.00		8473700
RG AT BROWNSVILLE	21-Jul-26	0.799	3.67		8475000
ANZALDUAS SALINITY	21-Jul-26	31.415	605	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-Jul-26	0:00	2496	2496	1304.295	45	-2
					(2%)				1	0
CABALLO
21-Jul-26	0:00	280	403	1260.375	21	0
					(7%)				1	0
AMISTAD - 08450800
21-Jul-26	0:00	3980	6056	321.645	924	19
Requested	6:00	U.S.	10.00	CMS	(23%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
21-Jul-26	0:00	3289	3923	80.700	698	54
Requested	6:00	U.S.	40.00	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
21-Jul-26	0:00	25,160		3523.29	5,447	-8
LAKE MEAD
21-Jul-26	0:00	28,945		1041.73	7,097	-6
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
7/21/26 0:00	245	377	0.000	50.775	0.000	21%
BOQUILLA
7/20/26 0:00	2847	3208	0.000	667.648	30.000	23%
F.I. MADERO
7/20/26 0:00	333	456	0.000	195.153	0.000	59%
PICO DEL AGUILA
7/21/26 0:00	48	89	1.047	42.862	0.000	89%
CHIHUAHUA
7/21/26 0:00	23	36	0.000	9.531	0.090	41%
EL REJON
7/21/26 0:00	7	8	0.000	2.332	0.000	36%
LUIS L. LEON
7/21/26 0:00	284	825	1.071	63.525	0.000	22%
RIO SAN DIEGO BASIN
CENTENARIO
7/21/26 0:00	25	26	0.000	7.285	0.000	30%
SAN MIGUEL
7/21/26 0:00	21	22	0.000	12.541	0.000	59%
RIO SAN RODRIGO BASIN
LA FRAGUA
7/21/26 0:00	47	85	0.000	18.199	0.000	38%
RIO SALADO BASIN
VENUSTIANO CARRANZA
7/21/26 0:00	614	1322	-0.336	85.811	0.000	14%
RIO ALAMO BASIN
LAS BLANCAS
7/21/26 0:00	84	134	-0.078	22.734	0.300	27%
RIO SAN JUAN BASIN
EL CUCHILLO
7/21/26 0:00	1123	1784	-0.982	660.222	8.697	59%
MARTE GOMEZ
7/21/26 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.