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	30-Apr-26		0.03
RG AT EL PASO	30-Apr-26	0.539	0.12		8364000
RG BELOW AMERICAN DAM	30-Apr-26	1.209	0.00		8365000
AMERICAN CANAL	30-Apr-26	0.492	0.21		8364500
RG AT FORT QUITMAN	30-Apr-26	2.096	0.00		8370500
RG ABOVE RIO CONCHOS	30-Apr-26	1.973	0.00		8371500
RG BELOW RIO CONCHOS	30-Apr-26	0.592	0.99	11	8374200
RG AT JOHNSON RANCH	30-Apr-26	1.167	1.54		8375000
RG AT FOSTER RANCH	30-Apr-26	0.427	4.53		8377200
PECOS NEAR LANGTRY	30-Apr-26	0.471	2.41	1	8447410
DEVILS AT PAFFORD	30-Apr-26	0.665	3.60	26	8449400
AMISTAD DAM
RG AT DEL RIO	30-Apr-26	0.605	36.66	2	8451800
RG AT EAGLE PASS	30-Apr-26	1.299	65.30		8458000
RG NEAR EL INDIO	30-Apr-26	1.902	36.94		8458700
RG AT COLOMBIA	30-Apr-26	2.208	37.20		8458800
RG AT LAREDO	30-Apr-26	0.606	35.99		8459000
FALCON DAM
RG AT RIO GRANDE CTY	30-Apr-26	7.831	23.15		8464700
RG BL ANZALDUAS DAM	30-Apr-26	23.960	19.87		8469200
RG AT SAN BENITO	30-Apr-26	10.525	4.67		8473700
RG AT BROWNSVILLE	30-Apr-26	0.702	2.94		8475000
ANZALDUAS SALINITY	30-Apr-26	31.380	1255	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
30-Apr-26	0:00	2496	2496	1316.415	307	-2
					(12%)				0	1
CABALLO
30-Apr-26	0:00	280	403	1260.375	21	2
					(7%)				1	0
AMISTAD - 08450800
30-Apr-26	0:00	3980	6056	319.445	761	1
Requested	6:00	U.S.	30.00	CMS	(19%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
30-Apr-26	0:00	3289	3923	78.780	477	0
Requested	6:00	U.S.	25.00	CMS	(14%)				0	1
Release		MEX.	5.00	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
30-Apr-26	0:00	25,160		3526.31	5,621	-2
LAKE MEAD
30-Apr-26	0:00	28,945		1056.66	8,172	-22
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
4/30/26 0:00	245	377	-0.110	93.915	0.500	38%
BOQUILLA
4/29/26 0:00	2847	3208	0.000	905.845	31.000	32%
F.I. MADERO
4/29/26 0:00	333	456	0.000	225.862	0.000	68%
PICO DEL AGUILA
4/30/26 0:00	48	89	-0.342	18.967	2.900	39%
CHIHUAHUA
4/30/26 0:00	23	36	-0.052	10.409	0.630	45%
EL REJON
4/30/26 0:00	7	8	-0.004	2.465	0.000	38%
LUIS L. LEON
4/30/26 0:00	284	825	0.000	57.425	0.000	20%
RIO SAN DIEGO BASIN
CENTENARIO
4/30/26 0:00	25	26	0.000	8.287	0.000	34%
SAN MIGUEL
4/30/26 0:00	21	22	0.055	10.135	0.000	48%
RIO SAN RODRIGO BASIN
LA FRAGUA
4/30/26 0:00	47	85	0.000	17.679	0.000	37%
RIO SALADO BASIN
VENUSTIANO CARRANZA
4/30/26 0:00	874	1322	0.000	87.157	0.000	10%
RIO ALAMO BASIN
LAS BLANCAS
4/30/26 0:00	84	134	0.000	20.994	0.300	25%
RIO SAN JUAN BASIN
EL CUCHILLO
4/30/26 0:00	1123	1784	-0.982	689.680	8.925	61%
MARTE GOMEZ
4/30/26 0:00	782	2209	-4.455	533.422	53.500	68%
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.