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	28-May-26		0.03
RG AT EL PASO	28-May-26	0.549	0.12		8364000
RG BELOW AMERICAN DAM	28-May-26	1.166	0.00		8365000
AMERICAN CANAL	28-May-26	0.522	0.30		8364500
RG AT FORT QUITMAN	28-May-26	2.073	0.00		8370500
RG ABOVE RIO CONCHOS	28-May-26	1.973	0.00		8371500
RG BELOW RIO CONCHOS	28-May-26	0.467	0.16	1	8374200
RG AT JOHNSON RANCH	28-May-26	1.145	0.52	1	8375000
RG AT FOSTER RANCH	28-May-26	0.499	10.82		8377200
PECOS NEAR LANGTRY	28-May-26	0.450	1.93		8447410
DEVILS AT PAFFORD	28-May-26	0.635	2.28		8449400
AMISTAD DAM
RG AT DEL RIO	28-May-26	0.508	21.35		8451800
RG AT EAGLE PASS	28-May-26	1.458	102.00		8458000
RG NEAR EL INDIO	28-May-26	2.010	52.60		8458700
RG AT COLOMBIA	28-May-26	2.150	28.90		8458800
RG AT LAREDO	28-May-26	0.818	61.50		8459000
FALCON DAM
RG AT RIO GRANDE CTY	28-May-26	7.519	5.40		8464700
RG BL ANZALDUAS DAM	28-May-26	23.630	8.38		8469200
RG AT SAN BENITO	28-May-26	10.715	12.89		8473700
RG AT BROWNSVILLE	28-May-26	1.782	13.85		8475000
ANZALDUAS SALINITY	28-May-26	31.765	845	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
28-May-26	0:00	2496	2496	1315.095	262	-4
					(11%)				0	1
CABALLO
28-May-26	0:00	280	403	1263.455	55	2
					(20%)				0	1
AMISTAD - 08450800
28-May-26	0:00	3980	6056	319.215	745	-1
Requested	6:00	U.S.	20.00	CMS	(19%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
28-May-26	0:00	3289	3923	79.165	517	4
Requested	6:00	U.S.	2.00	CMS	(16%)				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
28-May-26	0:00	25,160		3527.94	5,716	6
LAKE MEAD
28-May-26	0:00	28,945		1050.97	7,753	-19
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
5/28/26 0:00	245	377	-1.012	58.002	14.500	24%
BOQUILLA
5/27/26 0:00	2847	3208	0.000	796.709	33.000	28%
F.I. MADERO
5/27/26 0:00	333	456	0.000	216.324	0.000	65%
PICO DEL AGUILA
5/28/26 0:00	48	89	0.633	32.698	4.900	68%
CHIHUAHUA
5/28/26 0:00	23	36	-0.017	9.713	0.090	42%
EL REJON
5/28/26 0:00	7	8	-0.004	2.385	0.000	37%
LUIS L. LEON
5/28/26 0:00	284	825	0.000	57.033	0.000	20%
RIO SAN DIEGO BASIN
CENTENARIO
5/28/26 0:00	25	26	0.000	8.399	0.000	34%
SAN MIGUEL
5/28/26 0:00	21	22	-0.177	9.216	1.250	44%
RIO SAN RODRIGO BASIN
LA FRAGUA
5/28/26 0:00	47	85	0.301	17.980	0.000	38%
RIO SALADO BASIN
VENUSTIANO CARRANZA
5/28/26 0:00	874	1322	0.000	84.801	0.000	10%
RIO ALAMO BASIN
LAS BLANCAS
5/28/26 0:00	84	134	0.348	22.618	0.300	27%
RIO SAN JUAN BASIN
EL CUCHILLO
5/28/26 0:00	1123	1784	-0.982	672.005	8.083	60%
MARTE GOMEZ
5/28/26 0:00	782	2209	0.000	467.629	10.000	60%
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.