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-Oct-25		0.28
RG AT EL PASO	31-Oct-25	0.587	0.20		8364000
RG BELOW AMERICAN DAM	31-Oct-25	1.544	0.53		8365000
AMERICAN CANAL	31-Oct-25	0.414	0.03		8364500
RG AT FORT QUITMAN	31-Oct-25	2.184	0.29		8370500
RG ABOVE RIO CONCHOS	31-Oct-25	2.044	0.00		8371500
RG BELOW RIO CONCHOS	31-Oct-25	0.538	1.48		8374200
RG AT JOHNSON RANCH	31-Oct-25	1.233	2.98		8375000
RG AT FOSTER RANCH	31-Oct-25	0.472	8.22		8377200
PECOS NEAR LANGTRY	31-Oct-25	0.467	1.93		8447410
DEVILS AT PAFFORD	31-Oct-25	0.662	3.39		8449400
AMISTAD DAM
RG AT DEL RIO	31-Oct-25	0.452	12.45		8451800
RG AT EAGLE PASS	31-Oct-25	1.204	50.50		8458000
RG NEAR EL INDIO	31-Oct-25	1.808	24.72		8458700
RG AT COLOMBIA	31-Oct-25	2.023	24.57		8458800
RG AT LAREDO	31-Oct-25	0.415	18.21		8459000
FALCON DAM
RG AT RIO GRANDE CTY	31-Oct-25	7.870	28.20		8464700
RG BL ANZALDUAS DAM	31-Oct-25	23.910	16.98		8469200
RG AT SAN BENITO	31-Oct-25	10.567	6.43		8473700
RG AT BROWNSVILLE	31-Oct-25	0.563	0.80		8475000
ANZALDUAS SALINITY	31-Oct-25	31.180	680	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-Oct-25	0:00	2496	2496	##########	########
					(-86010667%)				1	0
CABALLO
31-Oct-25	0:00	280	403	1260.090	18	0
					(7%)				1	0
AMISTAD - 08450800
31-Oct-25	0:00	3980	6056	322.375	986	0
Requested	6:00	U.S.	15.00	CMS	(25%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
31-Oct-25	0:00	3289	3923	77.230	339	-3
Requested	6:00	U.S.	20.00	CMS	(10%)				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
31-Oct-25	0:00	25,160		3545.49	6,801	-3
LAKE MEAD
31-Oct-25	0:00	28,945		1057.53	8,237	-3
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
10/31/25 0:00	245	377	0.000	100.089	0.000	41%
BOQUILLA
10/31/25 0:00	2847	3208	0.000	1104.951	1.300	39%
F.I. MADERO
10/31/25 0:00	333	456	0.000	236.503	0.000	71%
PICO DEL AGUILA
10/31/25 0:00	48	89	0.000	35.145	0.000	73%
CHIHUAHUA
10/31/25 0:00	23	36	0.000	12.838	0.090	55%
EL REJON
10/31/25 0:00	7	8	0.000	2.940	0.000	45%
LUIS L. LEON
10/31/25 0:00	284	825	-0.152	142.733	0.000	50%
RIO SAN DIEGO BASIN
CENTENARIO
10/31/25 0:00	25	26	0.000	7.819	0.000	32%
SAN MIGUEL
10/31/25 0:00	21	22	0.000	17.675	0.000	83%
RIO SAN RODRIGO BASIN
LA FRAGUA
10/31/25 0:00	47	85	0.000	35.938	0.000	76%
RIO SALADO BASIN
VENUSTIANO CARRANZA
10/31/25 0:00	874	1322	0.000	130.146	0.000	15%
RIO ALAMO BASIN
LAS BLANCAS
10/31/25 0:00	84	134	-0.122	24.594	0.300	29%
RIO SAN JUAN BASIN
EL CUCHILLO
10/31/25 0:00	1123	1784	-1.156	929.192	7.644	83%
MARTE GOMEZ
10/31/25 0:00	782	2209	0.000	702.542	0.000	90%
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.