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-Jun-26		75.52
RG AT EL PASO	4-Jun-26	1.317	13.19		8364000
RG BELOW AMERICAN DAM	4-Jun-26	1.667	2.23		8365000
AMERICAN CANAL	4-Jun-26	1.434	9.92		8364500
RG AT FORT QUITMAN	4-Jun-26	2.149	0.01		8370500
RG ABOVE RIO CONCHOS	4-Jun-26	1.925	0.00		8371500
RG BELOW RIO CONCHOS	4-Jun-26	0.893	10.90		8374200
RG AT JOHNSON RANCH	4-Jun-26	1.379	2.03		8375000
RG AT FOSTER RANCH	4-Jun-26	0.444	6.08		8377200
PECOS NEAR LANGTRY	4-Jun-26	0.577	4.88		8447410
DEVILS AT PAFFORD	4-Jun-26	0.633	2.25		8449400
AMISTAD DAM
RG AT DEL RIO	4-Jun-26	0.442	11.67		8451800
RG AT EAGLE PASS	4-Jun-26	1.154	44.10		8458000
RG NEAR EL INDIO	4-Jun-26	1.821	23.82		8458700
RG AT COLOMBIA	4-Jun-26	1.996	17.59		8458800
RG AT LAREDO	4-Jun-26	0.499	26.41		8459000
FALCON DAM
RG AT RIO GRANDE CTY	4-Jun-26	7.652	12.45		8464700
RG BL ANZALDUAS DAM	4-Jun-26	23.690	10.46		8469200
RG AT SAN BENITO	4-Jun-26	10.597	6.99		8473700
RG AT BROWNSVILLE	4-Jun-26	0.884	4.05		8475000
ANZALDUAS SALINITY	4-Jun-26	31.160	0	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-Jun-26	0:00	2496	2496	1313.950	227	-5
					(9%)				1	0
CABALLO
4-Jun-26	0:00	280	403	1263.090	50	-2
					(18%)				0	1
AMISTAD - 08450800
4-Jun-26	0:00	3980	6056	319.195	744	1
Requested	6:00	U.S.	15.00	CMS	(19%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
4-Jun-26	0:00	3289	3923	79.475	550	1
Requested	6:00	U.S.	15.00	CMS	(17%)				0	1
Release		MEX.	2.00	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-Jun-26	0:00	25,160		3527.96	5,717	-1
LAKE MEAD
4-Jun-26	0:00	28,945		1049.31	7,633	-13
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
6/4/26 0:00	245	377	-0.640	51.131	14.500	21%
BOQUILLA
6/3/26 0:00	2847	3208	0.000	769.019	33.000	27%
F.I. MADERO
6/3/26 0:00	333	456	0.000	213.759	3.000	64%
PICO DEL AGUILA
6/4/26 0:00	48	89	0.673	37.299	4.400	77%
CHIHUAHUA
6/4/26 0:00	23	36	0.000	9.647	0.090	41%
EL REJON
6/4/26 0:00	7	8	0.000	2.372	0.000	36%
LUIS L. LEON
6/4/26 0:00	284	825	0.588	57.131	0.000	20%
RIO SAN DIEGO BASIN
CENTENARIO
6/4/26 0:00	25	26	0.000	8.287	0.000	34%
SAN MIGUEL
6/4/26 0:00	21	22	-0.101	8.633	0.250	41%
RIO SAN RODRIGO BASIN
LA FRAGUA
6/4/26 0:00	47	85	0.000	18.111	1.550	38%
RIO SALADO BASIN
VENUSTIANO CARRANZA
6/4/26 0:00	614	1322	-0.337	83.455	0.000	14%
RIO ALAMO BASIN
LAS BLANCAS
6/4/26 0:00	84	134	-0.039	22.425	0.300	27%
RIO SAN JUAN BASIN
EL CUCHILLO
6/4/26 0:00	1123	1784	-0.982	666.114	10.229	59%
MARTE GOMEZ
6/4/26 0:00	782	2209	-1.031	464.536	4.000	59%
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.