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-Sep-25		0.13
RG AT EL PASO	12-Sep-25	0.618	0.19		8364000
RG BELOW AMERICAN DAM	12-Sep-25	1.283	0.00		8365000
AMERICAN CANAL	12-Sep-25	0.572	0.42		8364500
RG AT FORT QUITMAN	12-Sep-25	2.026	0.08		8370500
RG ABOVE RIO CONCHOS	12-Sep-25	2.241	0.56		8371500
RG BELOW RIO CONCHOS	12-Sep-25	0.741	6.32	2	8374200
RG AT JOHNSON RANCH	12-Sep-25	1.440	7.83		8375000
RG AT FOSTER RANCH	12-Sep-25	0.566	18.21		8377200
PECOS NEAR LANGTRY	12-Sep-25	0.608	6.53		8447410
DEVILS AT PAFFORD	12-Sep-25	0.637	2.65		8449400
AMISTAD DAM
RG AT DEL RIO	12-Sep-25	0.493	18.78		8451800
RG AT EAGLE PASS	12-Sep-25	1.045	32.90		8458000
RG NEAR EL INDIO	12-Sep-25	1.789	20.21		8458700
RG AT COLOMBIA	12-Sep-25	1.991	21.68		8458800
RG AT LAREDO	12-Sep-25	0.427	19.18		8459000
FALCON DAM				0
RG AT RIO GRANDE CTY	12-Sep-25	7.768	17.40		8464700
RG BL ANZALDUAS DAM	12-Sep-25	23.920	17.35		8469200
RG AT SAN BENITO	12-Sep-25	10.606	7.41		8473700
RG AT BROWNSVILLE	12-Sep-25	0.883	2.44		8475000
ANZALDUAS SALINITY	12-Sep-25	31.100	775	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-Sep-25	0:00	2496	2496	1307.035	77	0
					(3%)				1	0
CABALLO
12-Sep-25	0:00	280	403	1259.895	17	0
					(6%)				1	0
AMISTAD - 08450800
12-Sep-25	0:00	3980	6056	322.280	977	1
Requested	6:00	U.S.	15.00	CMS	(25%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
12-Sep-25	0:00	3289	3923	77.530	363	3
Requested	6:00	U.S.	15.00	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-Sep-25	0:00	25,160		3546.62	6,874	-12
LAKE MEAD
12-Sep-25	0:00	28,945		1056.54	8,163	6
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
9/12/25 0:00	245	377	0.000	84.157	0.150	34%
BOQUILLA
9/12/25 0:00	2894	3208	7.487	924.221	1.300	32%
F.I. MADERO
9/12/25 0:00	333	456	0.991	203.826	0.000	61%
PICO DEL AGUILA
9/12/25 0:00	48	89	-0.127	34.261	1.600	71%
CHIHUAHUA
9/12/25 0:00	23	36	0.000	12.653	0.090	54%
EL REJON
9/12/25 0:00	7	8	0.000	2.912	0.000	44%
LUIS L. LEON
9/12/25 0:00	284	825	-0.626	154.335	8.000	54%
RIO SAN DIEGO BASIN
CENTENARIO
9/12/25 0:00	25	26	0.000	7.083	0.000	29%
SAN MIGUEL
9/12/25 0:00	21	22	0.036	15.956	0.000	75%
RIO SAN RODRIGO BASIN
LA FRAGUA
9/12/25 0:00	47	85	0.000	39.521	0.000	84%
RIO SALADO BASIN
VENUSTIANO CARRANZA
9/12/25 0:00	614	1322	0.000	139.525	0.000	23%
RIO ALAMO BASIN
LAS BLANCAS
9/12/25 0:00	84	134	0.000	27.645	0.300	33%
RIO SAN JUAN BASIN
EL CUCHILLO
9/12/25 0:00	1123	1784	2.946	822.239	8.449	73%
MARTE GOMEZ
9/12/25 0:00	782	2209	3.804	665.726	10.000	85%
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.