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	31-Jul-26		0.01
RG AT EL PASO	31-Jul-26	1.027	9.00		8364000
RG BELOW AMERICAN DAM	31-Jul-26	1.097	0.01		8365000
AMERICAN CANAL	31-Jul-26	1.353	8.53		8364500
RG AT FORT QUITMAN	31-Jul-26	1.948	0.00		8370500
RG ABOVE RIO CONCHOS	31-Jul-26	2.317	0.54		8371500
RG BELOW RIO CONCHOS	31-Jul-26	0.571	0.77	11	8374200
RG AT JOHNSON RANCH	31-Jul-26	1.553	0.70		8375000
RG AT FOSTER RANCH	31-Jul-26	0.472	8.84		8377200
PECOS NEAR LANGTRY	31-Jul-26	0.636	7.86		8447410
DEVILS AT PAFFORD	31-Jul-26	0.755	10.34		8449400
AMISTAD DAM
RG AT DEL RIO	31-Jul-26	0.517	20.70		8451800
RG AT EAGLE PASS	31-Jul-26	1.256	58.10		8458000
RG NEAR EL INDIO	31-Jul-26	1.861	27.94		8458700
RG AT COLOMBIA	31-Jul-26	2.043	26.60		8458800
RG AT LAREDO	31-Jul-26	0.483	26.08		8459000
FALCON DAM
RG AT RIO GRANDE CTY	31-Jul-26	7.973	36.71		8464700
RG BL ANZALDUAS DAM	31-Jul-26	24.150	26.52		8469200
RG AT SAN BENITO	31-Jul-26	10.649	9.06		8473700
RG AT BROWNSVILLE	31-Jul-26	0.577	2.11		8475000
ANZALDUAS SALINITY	31-Jul-26	31.470	620	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
31-Jul-26	0:00	2496	2496	1303.065	33	0
					(1%)				1	0
CABALLO
31-Jul-26	0:00	280	403	1260.070	18	0
					(6%)				1	0
AMISTAD - 08450800
31-Jul-26	0:00	3980	6056	322.135	965	0
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
31-Jul-26	0:00	3289	3923	80.755	706	-3
Requested	6:00	U.S.	30.00	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
31-Jul-26	0:00	25,160		3522.41	5,397	-10
LAKE MEAD
31-Jul-26	0:00	28,945		1041.09	7,053	-2
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
7/30/26 0:00	245	377	0.000	50.775	0.000	21%
BOQUILLA
7/29/26 0:00	2847	3208	0.000	704.839	29.570	25%
F.I. MADERO
7/29/26 0:00	333	456	0.000	200.852	1.500	60%
PICO DEL AGUILA
7/30/26 0:00	48	89	-0.190	42.909	1.800	89%
CHIHUAHUA
7/30/26 0:00	23	36	-0.017	9.382	0.090	40%
EL REJON
7/30/26 0:00	7	8	-0.004	2.300	0.000	35%
LUIS L. LEON
7/30/26 0:00	284	825	-0.107	64.601	0.000	23%
RIO SAN DIEGO BASIN
CENTENARIO
7/30/26 0:00	25	26	0.000	7.507	0.000	31%
SAN MIGUEL
7/30/26 0:00	21	22	-0.033	12.726	0.000	60%
RIO SAN RODRIGO BASIN
LA FRAGUA
7/30/26 0:00	47	85	0.000	18.199	0.000	38%
RIO SALADO BASIN
VENUSTIANO CARRANZA
7/30/26 0:00	614	1322	-0.337	81.436	0.000	13%
RIO ALAMO BASIN
LAS BLANCAS
7/30/26 0:00	84	134	0.000	22.657	0.300	27%
RIO SAN JUAN BASIN
EL CUCHILLO
7/30/26 0:00	1123	1784	-1.624	645.192	8.784	57%
MARTE GOMEZ
7/30/26 0:00	782	2209	0.000	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.