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	12-Dec-25		0.03
RG AT EL PASO	12-Dec-25	0.579	0.21		8364000
RG BELOW AMERICAN DAM	12-Dec-25	1.534	0.66		8365000
AMERICAN CANAL	12-Dec-25	0.410	0.03		8364500
RG AT FORT QUITMAN	12-Dec-25	2.661	2.36		8370500
RG ABOVE RIO CONCHOS	12-Dec-25	2.030	0.00		8371500
RG BELOW RIO CONCHOS	12-Dec-25	0.565	0.63		8374200
RG AT JOHNSON RANCH	12-Dec-25	1.033	0.56		8375000
RG AT FOSTER RANCH	12-Dec-25	0.442	6.23		8377200
PECOS NEAR LANGTRY	12-Dec-25	0.473	2.20		8447410
DEVILS AT PAFFORD	12-Dec-25	0.643	2.98		8449400
AMISTAD DAM
RG AT DEL RIO	12-Dec-25	0.408	7.53		8451800
RG AT EAGLE PASS	12-Dec-25	1.076	35.80		8458000
RG NEAR EL INDIO	12-Dec-25	1.835	27.94		8458700
RG AT COLOMBIA	12-Dec-25	1.992	22.34		8458800
RG AT LAREDO	12-Dec-25	0.416	17.72		8459000
FALCON DAM
RG AT RIO GRANDE CTY	12-Dec-25	7.677	14.12		8464700
RG BL ANZALDUAS DAM	12-Dec-25	23.790	12.63		8469200
RG AT SAN BENITO	12-Dec-25	10.570	6.08		8473700
RG AT BROWNSVILLE	12-Dec-25	0.591	1.58		8475000
ANZALDUAS SALINITY	12-Dec-25	30.900	880	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
12-Dec-25	0:00	2496	2496	##########	########
					(-86010667%)				1	0
CABALLO
12-Dec-25	0:00	280	403	1260.155	19	0
					(7%)				1	0
AMISTAD - 08450800
12-Dec-25	0:00	3980	6056	321.900	945	0
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
12-Dec-25	0:00	3289	3923	77.400	353	0
Requested	6:00	U.S.	2.00	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
12-Dec-25	0:00	25,160		3542.16	6,586	-5
LAKE MEAD
12-Dec-25	0:00	28,945		1060.42	8,455	11
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
12/11/25 0:00	245	377	0.000	100.199	0.000	41%
BOQUILLA
12/11/25 0:00	2847	3208	0.000	1091.264	1.300	38%
F.I. MADERO
12/11/25 0:00	333	456	0.000	232.302	0.000	70%
PICO DEL AGUILA
12/11/25 0:00	48	89	0.000	35.414	0.000	73%
CHIHUAHUA
12/11/25 0:00	23	36	-0.059	12.300	0.090	53%
EL REJON
12/11/25 0:00	7	8	-0.014	2.828	0.000	43%
LUIS L. LEON
12/11/25 0:00	284	825	-0.153	141.511	0.000	50%
RIO SAN DIEGO BASIN
CENTENARIO
12/11/25 0:00	25	26	0.000	6.681	0.000	27%
SAN MIGUEL
12/11/25 0:00	21	22	0.000	15.745	0.000	74%
RIO SAN RODRIGO BASIN
LA FRAGUA
12/11/25 0:00	47	85	-0.692	34.554	0.000	73%
RIO SALADO BASIN
VENUSTIANO CARRANZA
12/11/25 0:00	874	1322	-0.447	116.302	0.000	13%
RIO ALAMO BASIN
LAS BLANCAS
12/11/25 0:00	84	134	0.000	23.160	0.300	28%
RIO SAN JUAN BASIN
EL CUCHILLO
12/11/25 0:00	1123	1784	-1.156	914.167	8.369	81%
MARTE GOMEZ
12/11/25 0:00	782	2209	0.000	698.558	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.