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-Oct-25		0.23
RG AT EL PASO	21-Oct-25	0.598	0.23		8364000
RG BELOW AMERICAN DAM	21-Oct-25	1.541	0.24		8365000
AMERICAN CANAL	21-Oct-25	0.411	0.03		8364500
RG AT FORT QUITMAN	21-Oct-25	2.353	0.38		8370500
RG ABOVE RIO CONCHOS	21-Oct-25	2.185	0.30		8371500
RG BELOW RIO CONCHOS	21-Oct-25	0.548	1.74		8374200
RG AT JOHNSON RANCH	21-Oct-25	1.134	2.26		8375000
RG AT FOSTER RANCH	21-Oct-25	0.470	8.06		8377200
PECOS NEAR LANGTRY	21-Oct-25	0.455	1.86		8447410
DEVILS AT PAFFORD	21-Oct-25	0.625	2.36		8449400
AMISTAD DAM
RG AT DEL RIO	21-Oct-25	0.632	2.43		8451800
RG AT EAGLE PASS	21-Oct-25	1.125	40.80		8458000
RG NEAR EL INDIO	21-Oct-25	1.791	23.31		8458700
RG AT COLOMBIA	21-Oct-25	1.996	22.61		8458800
RG AT LAREDO	21-Oct-25	0.373	14.79		8459000
FALCON DAM
RG AT RIO GRANDE CTY	21-Oct-25	7.777	19.01		8464700
RG BL ANZALDUAS DAM	21-Oct-25	23.836	14.09		8469200
RG AT SAN BENITO	21-Oct-25	10.612	7.83		8473700
RG AT BROWNSVILLE	21-Oct-25	0.919	3.61		8475000
ANZALDUAS SALINITY	21-Oct-25	31.195	915	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-Oct-25	0:00	2496	2496	##########	########
					(-86010667%)				1	0
CABALLO
21-Oct-25	0:00	280	403	1260.115	18	0
					(7%)				1	0
AMISTAD - 08450800
21-Oct-25	0:00	3980	6056	322.285	978	0
Requested	6:00	U.S.	15.00	CMS	(25%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
21-Oct-25	0:00	3289	3923	77.490	360	-2
Requested	6:00	U.S.	25.00	CMS	(11%)				0	1
Release		MEX.	8.00	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-Oct-25	0:00	25,160		3545.65	6,811	4
LAKE MEAD
21-Oct-25	0:00	28,945		1057.64	8,245	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
10/21/25 0:00	245	377	0.111	99.538	0.000	41%
BOQUILLA
10/21/25 0:00	2847	3208	1.610	1103.341	0.000	39%
F.I. MADERO
10/21/25 0:00	333	456	0.000	237.343	0.000	71%
PICO DEL AGUILA
10/21/25 0:00	48	89	0.000	35.011	0.000	73%
CHIHUAHUA
10/21/25 0:00	23	36	0.000	12.838	0.060	55%
EL REJON
10/21/25 0:00	7	8	0.000	2.954	0.000	45%
LUIS L. LEON
10/21/25 0:00	284	825	0.000	143.496	0.000	50%
RIO SAN DIEGO BASIN
CENTENARIO
10/21/25 0:00	25	26	0.000	7.819	0.000	32%
SAN MIGUEL
10/21/25 0:00	21	22	0.000	17.863	0.000	84%
RIO SAN RODRIGO BASIN
LA FRAGUA
10/21/25 0:00	47	85	0.000	37.184	0.000	79%
RIO SALADO BASIN
VENUSTIANO CARRANZA
10/21/25 0:00	781	1322	-0.447	132.379	0.000	17%
RIO ALAMO BASIN
LAS BLANCAS
10/21/25 0:00	84	134	-0.122	25.449	0.300	30%
RIO SAN JUAN BASIN
EL CUCHILLO
10/21/25 0:00	1123	1784	0.000	932.659	7.210	83%
MARTE GOMEZ
10/21/25 0:00	782	2209	0.000	695.903	10.000	89%
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.