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	13-Aug-26		0.03
RG AT EL PASO	13-Aug-26	0.520	0.29		8364000
RG BELOW AMERICAN DAM	13-Aug-26	1.105	0.01		8365000
AMERICAN CANAL	13-Aug-26	0.538	0.39		8364500
RG AT FORT QUITMAN	13-Aug-26	2.021	0.03		8370500
RG ABOVE RIO CONCHOS	13-Aug-26	1.989	0.00		8371500
RG BELOW RIO CONCHOS	13-Aug-26	0.673	2.60		8374200
RG AT JOHNSON RANCH	13-Aug-26	1.521	0.30		8375000
RG AT FOSTER RANCH	13-Aug-26	0.430	5.73		8377200
PECOS NEAR LANGTRY	13-Aug-26	0.561	4.46		8447410
DEVILS AT PAFFORD	13-Aug-26	0.702	4.74		8449400
AMISTAD DAM
RG AT DEL RIO	13-Aug-26	0.506	19.25		8451800
RG AT EAGLE PASS	13-Aug-26	1.184	39.24		8458000
RG NEAR EL INDIO	13-Aug-26	1.857	29.60		8458700
RG AT COLOMBIA	13-Aug-26	1.963	22.67		8458800
RG AT LAREDO	13-Aug-26	0.441	22.03		8459000
FALCON DAM
RG AT RIO GRANDE CTY	13-Aug-26	7.915	31.61		8464700
RG BL ANZALDUAS DAM	13-Aug-26	24.010	21.61		8469200
RG AT SAN BENITO	13-Aug-26	10.618	7.53		8473700
RG AT BROWNSVILLE	13-Aug-26	0.521	2.16		8475000
ANZALDUAS SALINITY	13-Aug-26	31.610	660	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
13-Aug-26	0:00	2496	2496	1303.115	33	0
					(1%)				1	0
CABALLO
13-Aug-26	0:00	280	403	1260.060	18	0
					(6%)				1	0
AMISTAD - 08450800
13-Aug-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
13-Aug-26	0:00	3289	3923	80.460	667	-2
Requested	6:00	U.S.	20.00	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
13-Aug-26	0:00	25,160		3520.37	5,282	-12
LAKE MEAD
13-Aug-26	0:00	28,945		1039.82	6,965	-9
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
8/13/26 0:00	245	377	0.570	52.341	0.300	21%
BOQUILLA
8/12/26 0:00	2847	3208	0.000	659.376	35.500	23%
F.I. MADERO
8/12/26 0:00	333	456	0.000	194.657	4.500	58%
PICO DEL AGUILA
8/13/26 0:00	48	89	-0.628	35.729	6.700	74%
CHIHUAHUA
8/13/26 0:00	23	36	0.000	9.266	0.090	40%
EL REJON
8/13/26 0:00	7	8	0.000	2.272	0.000	35%
LUIS L. LEON
8/13/26 0:00	284	825	0.216	63.848	0.000	22%
RIO SAN DIEGO BASIN
CENTENARIO
8/13/26 0:00	25	26	0.089	8.265	0.000	34%
SAN MIGUEL
8/13/26 0:00	21	22	-0.099	12.693	1.000	60%
RIO SAN RODRIGO BASIN
LA FRAGUA
8/13/26 0:00	47	85	0.000	17.760	1.000	38%
RIO SALADO BASIN
VENUSTIANO CARRANZA
8/13/26 0:00	614	1322	-0.245	77.367	0.000	13%
RIO ALAMO BASIN
LAS BLANCAS
8/13/26 0:00	84	134	-0.078	22.154	0.300	26%
RIO SAN JUAN BASIN
EL CUCHILLO
8/13/26 0:00	1123	1784	-1.624	628.956	7.531	56%
MARTE GOMEZ
8/13/26 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.