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	18-Dec-25		0.03
RG AT EL PASO	18-Dec-25	0.578	0.19		8364000
RG BELOW AMERICAN DAM	18-Dec-25	1.531	0.65		8365000
AMERICAN CANAL	18-Dec-25	0.409	0.03		8364500
RG AT FORT QUITMAN	18-Dec-25	2.708	2.20		8370500
RG ABOVE RIO CONCHOS	18-Dec-25	1.997	0.00		8371500
RG BELOW RIO CONCHOS	18-Dec-25	0.550	0.48		8374200
RG AT JOHNSON RANCH	18-Dec-25	1.019	0.48		8375000
RG AT FOSTER RANCH	18-Dec-25	0.443	6.37		8377200
PECOS NEAR LANGTRY	18-Dec-25	0.475	2.14		8447410
DEVILS AT PAFFORD	18-Dec-25	0.649	3.22		8449400
AMISTAD DAM
RG AT DEL RIO	18-Dec-25	0.599	38.20		8451800
RG AT EAGLE PASS	18-Dec-25	1.176	46.80		8458000
RG NEAR EL INDIO	18-Dec-25	1.915	38.30		8458700
RG AT COLOMBIA	18-Dec-25	2.200	39.47		8458800
RG AT LAREDO	18-Dec-25	0.458	21.03		8459000
FALCON DAM
RG AT RIO GRANDE CTY	18-Dec-25	7.738	17.99		8464700
RG BL ANZALDUAS DAM	18-Dec-25	23.950	18.44		8469200
RG AT SAN BENITO	18-Dec-25	10.592	6.95		8473700
RG AT BROWNSVILLE	18-Dec-25	711.000	2.41		8475000
ANZALDUAS SALINITY	18-Dec-25	30.665	725	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
18-Dec-25	0:00	2496	2496	##########	171	0
					(7%)				1	0
CABALLO
18-Dec-25	0:00	280	403	1260.170	19	0
					(7%)				1	0
AMISTAD - 08450800
18-Dec-25	0:00	3980	6056	321.825	939	-1
Requested	6:00	U.S.	30.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
18-Dec-25	0:00	3289	3923	77.455	357	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
18-Dec-25	0:00	25,160		3541.56	6,548	-6
LAKE MEAD
18-Dec-25	0:00	28,945		1061.23	8,517	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
12/18/25 0:00	245	377	0.000	100.199	0.000	41%
BOQUILLA
12/18/25 0:00	2847	3208	-0.805	1088.848	1.300	38%
F.I. MADERO
12/18/25 0:00	333	456	0.000	232.022	0.000	70%
PICO DEL AGUILA
12/18/25 0:00	48	89	-0.135	35.235	0.000	73%
CHIHUAHUA
12/18/25 0:00	23	36	-0.019	12.183	0.090	52%
EL REJON
12/18/25 0:00	7	8	-0.005	2.805	0.000	43%
LUIS L. LEON
12/18/25 0:00	284	825	0.000	141.664	0.000	50%
RIO SAN DIEGO BASIN
CENTENARIO
12/18/25 0:00	25	26	0.000	6.641	0.000	27%
SAN MIGUEL
12/18/25 0:00	21	22	0.000	15.780	0.000	75%
RIO SAN RODRIGO BASIN
LA FRAGUA
12/18/25 0:00	47	85	0.000	34.554	0.000	73%
RIO SALADO BASIN
VENUSTIANO CARRANZA
12/18/25 0:00	874	1322	-0.446	114.963	0.000	13%
RIO ALAMO BASIN
LAS BLANCAS
12/18/25 0:00	84	134	0.000	23.082	0.300	28%
RIO SAN JUAN BASIN
EL CUCHILLO
12/18/25 0:00	1123	1784	0.000	913.012	7.643	81%
MARTE GOMEZ
12/18/25 0:00	782	2209	-1.328	691.920	30.000	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.