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	18-May-26		0.03
RG AT EL PASO	18-May-26	0.535	0.10		8364000
RG BELOW AMERICAN DAM	18-May-26	1.172	0.00		8365000
AMERICAN CANAL	18-May-26	0.509	0.26		8364500
RG AT FORT QUITMAN	18-May-26	2.083	0.00		8370500
RG ABOVE RIO CONCHOS	18-May-26	1.935	0.00		8371500
RG BELOW RIO CONCHOS	18-May-26	0.461	0.03		8374200
RG AT JOHNSON RANCH	18-May-26	1.064	0.09		8375000
RG AT FOSTER RANCH	18-May-26	0.427	5.32		8377200
PECOS NEAR LANGTRY	18-May-26	0.447	1.88		8447410
DEVILS AT PAFFORD	18-May-26	0.637	2.55		8449400
AMISTAD DAM
RG AT DEL RIO	18-May-26	0.521	23.36		8451800
RG AT EAGLE PASS	18-May-26	1.260	58.70		8458000
RG NEAR EL INDIO	18-May-26	1.855	28.76		8458700
RG AT COLOMBIA	18-May-26	2.020	19.10		8458800
RG AT LAREDO	18-May-26	0.463	22.80		8459000
FALCON DAM
RG AT RIO GRANDE CTY	18-May-26	8.055	47.70		8464700
RG BL ANZALDUAS DAM	18-May-26	24.080	24.06		8469200
RG AT SAN BENITO	18-May-26	10.537	4.95		8473700
RG AT BROWNSVILLE	18-May-26	0.546	0.98		8475000
ANZALDUAS SALINITY	18-May-26	31.505	1080	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
18-May-26	0:00	2496	2496	1315.665	281	-2
					(11%)				0	1
CABALLO
18-May-26	0:00	280	403	1262.495	42	1
					(15%)				0	1
AMISTAD - 08450800
18-May-26	0:00	3980	6056	319.300	751	-1
Requested	6:00	U.S.	20.00	CMS	(19%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
18-May-26	0:00	3289	3923	78.775	476	0
Requested	6:00	U.S.	45.00	CMS	(14%)				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
18-May-26	0:00	25,160		3527.15	5,669	1
LAKE MEAD
18-May-26	0:00	28,945		1052.49	7,864	-14
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
5-18-26 0:00	245	377	-1.351	70.102	14.500	29%
BOQUILLA
5-18-26 0:00	2847	3208	0.000	832.767	35.000	29%
F.I. MADERO
5-18-26 0:00	333	456	0.000	219.167	0.750	66%
PICO DEL AGUILA
5-18-26 0:00	48	89	0.702	25.843	4.500	54%
CHIHUAHUA
5-18-26 0:00	23	36	0.000	9.969	0.090	43%
EL REJON
5-18-26 0:00	7	8	-0.004	2.409	0.000	37%
LUIS L. LEON
5-18-26 0:00	284	825	0.000	56.837	0.000	20%
RIO SAN DIEGO BASIN
CENTENARIO
5-18-26 0:00	25	26	0.000	8.287	0.000	34%
SAN MIGUEL
5-18-26 0:00	21	22	-0.084	10.861	0.750	51%
RIO SAN RODRIGO BASIN
LA FRAGUA
5-18-26 0:00	47	85	0.000	17.679	0.000	37%
RIO SALADO BASIN
VENUSTIANO CARRANZA
5-18-26 0:00	874	1322	-0.337	84.128	0.000	10%
RIO ALAMO BASIN
LAS BLANCAS
5-18-26 0:00	84	134	-0.039	20.839	0.300	25%
RIO SAN JUAN BASIN
EL CUCHILLO
5-18-26 0:00	1123	1784	0.000	680.843	11.159	61%
MARTE GOMEZ
5-18-26 0:00	782	2209	-2.063	468.660	32.000	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.