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-May-26		0.03
RG AT EL PASO	4-May-26	0.545	0.13		8364000
RG BELOW AMERICAN DAM	4-May-26	1.225	0.00		8365000
AMERICAN CANAL	4-May-26	0.511	0.26		8364500
RG AT FORT QUITMAN	4-May-26	2.086	0.00		8370500
RG ABOVE RIO CONCHOS	4-May-26	2.193	0.37		8371500
RG BELOW RIO CONCHOS	4-May-26	0.602	1.10		8374200
RG AT JOHNSON RANCH	4-May-26	1.159	1.47		8375000
RG AT FOSTER RANCH	4-May-26	0.416	3.86		8377200
PECOS NEAR LANGTRY	4-May-26	0.467	2.33		8447410
DEVILS AT PAFFORD	4-May-26	0.654	3.14		8449400
AMISTAD DAM
RG AT DEL RIO	4-May-26	0.485	17.60		8451800
RG AT EAGLE PASS	4-May-26	1.364	78.20		8458000
RG NEAR EL INDIO	4-May-26	1.947	44.10		8458700
RG AT COLOMBIA	4-May-26	2.350	51.70		8458800
RG AT LAREDO	4-May-26	0.653	41.00		8459000
FALCON DAM
RG AT RIO GRANDE CTY	4-May-26	7.743	32.10		8464700
RG BL ANZALDUAS DAM	4-May-26	24.170	27.23		8469200
RG AT SAN BENITO	4-May-26	10.600	7.58		8473700
RG AT BROWNSVILLE	4-May-26	0.717	3.07		8475000
ANZALDUAS SALINITY	4-May-26	31.640	935	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-May-26	0:00	2496	2496	1316.190	299	-1
					(12%)				0	1
CABALLO
4-May-26	0:00	280	403	1261.160	28	2
					(10%)				1	0
AMISTAD - 08450800
4-May-26	0:00	3980	6056	319.415	759	0
Requested	6:00	U.S.	20.00	CMS	(19%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
4-May-26	0:00	3289	3923	78.750	474	-2
Requested	6:00	U.S.	30.00	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
4-May-26	0:00	25,160		3526.24	5,617	0
LAKE MEAD
4-May-26	0:00	28,945		1055.54	8,088	-18
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
5/4/26 0:00	245	377	-0.111	93.363	0.500	38%
BOQUILLA
5/4/26 0:00	2847	3208	0.000	886.910	34.000	31%
F.I. MADERO
5/4/26 0:00	333	456	0.000	222.381	1.500	67%
PICO DEL AGUILA
5/4/26 0:00	48	89	-0.350	17.594	2.900	36%
CHIHUAHUA
5/4/26 0:00	23	36	-0.053	10.233	0.090	44%
EL REJON
5/4/26 0:00	7	8	-0.004	2.449	0.000	38%
LUIS L. LEON
5/4/26 0:00	284	825	0.000	57.327	0.000	20%
RIO SAN DIEGO BASIN
CENTENARIO
5/4/26 0:00	25	26	0.000	8.287	0.360	34%
SAN MIGUEL
5/4/26 0:00	21	22	0.111	10.693	0.000	51%
RIO SAN RODRIGO BASIN
LA FRAGUA
5/4/26 0:00	47	85	0.000	17.679	0.000	37%
RIO SALADO BASIN
VENUSTIANO CARRANZA
5/4/26 0:00	874	1322	0.000	86.820	0.000	10%
RIO ALAMO BASIN
LAS BLANCAS
5/4/26 0:00	84	134	-0.038	20.878	0.300	25%
RIO SAN JUAN BASIN
EL CUCHILLO
5/4/26 0:00	1123	1784	-0.982	686.734	8.801	61%
MARTE GOMEZ
5/4/26 0:00	782	2209	-7.796	511.146	55.000	65%
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.