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	4-Sep-25		0.11
RG AT EL PASO	4-Sep-25	0.635	0.36		8364000
RG BELOW AMERICAN DAM	4-Sep-25	1.279	0.00		8365000
AMERICAN CANAL	4-Sep-25	0.571	0.30		8364500
RG AT FORT QUITMAN	4-Sep-25	2.286	0.26		8370500
RG ABOVE RIO CONCHOS	4-Sep-25	2.363	0.71		8371500
RG BELOW RIO CONCHOS	4-Sep-25	0.921	14.32		8374200
RG AT JOHNSON RANCH	4-Sep-25	2.950	74.35		8375000
RG AT FOSTER RANCH	4-Sep-25	0.890	63.66		8377200
PECOS NEAR LANGTRY	4-Sep-25	0.426	1.42		8447410
DEVILS AT PAFFORD	4-Sep-25	0.632	2.40		8449400
AMISTAD DAM
RG AT DEL RIO	4-Sep-25	0.415	8.37		8451800
RG AT EAGLE PASS	4-Sep-25	1.077	35.90		8458000
RG NEAR EL INDIO	4-Sep-25	1.805	23.95		8458700
RG AT COLOMBIA	4-Sep-25	1.995	22.28		8458800
RG AT LAREDO	4-Sep-25	0.406	17.08		8459000
FALCON DAM
RG AT RIO GRANDE CTY	4-Sep-25	7.787	18.67		8464700
RG BL ANZALDUAS DAM	4-Sep-25	23.820	13.72		8469200
RG AT SAN BENITO	4-Sep-25	10.558	5.62		8473700
RG AT BROWNSVILLE	4-Sep-25	0.607	2.23		8475000
ANZALDUAS SALINITY	4-Sep-25	31.110	700	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
4-Sep-25	0:00	2496	2496	1308.005	92	-1
					(4%)				1	0
CABALLO
4-Sep-25	0:00	280	403	1257.555	3	-2
					(1%)				1	0
AMISTAD - 08450800
4-Sep-25	0:00	3980	6056	321.990	952	2
Requested	6:00	U.S.	15.00	CMS	(24%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
4-Sep-25	0:00	3289	3923	77.380	351	-2
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
4-Sep-25	0:00	25,160		3547.77	6,950	-10
LAKE MEAD
4-Sep-25	0:00	28,945		1055.74	8,103	7
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
9/4/25 0:00	245	377	1.182	68.245	0.300	28%
BOQUILLA
9/4/25 0:00	2894	3208	42.057	823.008	1.300	28%
F.I. MADERO
9/4/25 0:00	355	456	10.246	191.031	0.000	54%
PICO DEL AGUILA
9/4/25 0:00	48	89	-0.135	35.235	2.000	73%
CHIHUAHUA
9/4/25 0:00	23	36	0.000	12.613	0.030	54%
EL REJON
9/4/25 0:00	7	8	0.000	2.908	0.000	44%
LUIS L. LEON
9/4/25 0:00	284	825	-0.320	160.541	8.000	56%
RIO SAN DIEGO BASIN
CENTENARIO
9/4/25 0:00	25	26	-0.121	7.083	0.000	29%
SAN MIGUEL
9/4/25 0:00	21	22	0.071	15.745	0.250	74%
RIO SAN RODRIGO BASIN
LA FRAGUA
9/4/25 0:00	47	85	-0.513	39.521	0.000	84%
RIO SALADO BASIN
VENUSTIANO CARRANZA
9/4/25 0:00	614	1322	0.000	139.971	0.000	23%
RIO ALAMO BASIN
LAS BLANCAS
9/4/25 0:00	84	134	0.366	27.767	0.300	33%
RIO SAN JUAN BASIN
EL CUCHILLO
9/4/25 0:00	1123	1784	0.981	802.600	8.625	71%
MARTE GOMEZ
9/4/25 0:00	782	2209	0.000	646.710	10.000	83%
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.