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-Jun-26		73.07
RG AT EL PASO	18-Jun-26	1.445	20.81		8364000
RG BELOW AMERICAN DAM	18-Jun-26	1.537	2.60		8365000
AMERICAN CANAL	18-Jun-26	1.750	16.30		8364500
RG AT FORT QUITMAN	18-Jun-26	2.067	0.00		8370500
RG ABOVE RIO CONCHOS	18-Jun-26	2.019	0.07		8371500
RG BELOW RIO CONCHOS	18-Jun-26	0.349	0.00	26	8374200
RG AT JOHNSON RANCH	18-Jun-26	1.428	7.22		8375000
RG AT FOSTER RANCH	18-Jun-26	0.620	26.80		8377200
PECOS NEAR LANGTRY	18-Jun-26	0.486	2.30		8447410
DEVILS AT PAFFORD	18-Jun-26	0.643	2.35		8449400
AMISTAD DAM
RG AT DEL RIO	18-Jun-26	0.446	12.20		8451800
RG AT EAGLE PASS	18-Jun-26	1.171	47.10		8458000
RG NEAR EL INDIO	18-Jun-26	1.908	36.80		8458700
RG AT COLOMBIA	18-Jun-26	2.285	41.80		8458800
RG AT LAREDO	18-Jun-26	0.846	56.40		8459000
FALCON DAM
RG AT RIO GRANDE CTY	18-Jun-26	7.586	9.94		8464700
RG BL ANZALDUAS DAM	18-Jun-26	24.180	27.59		8469200
RG AT SAN BENITO	18-Jun-26	no data	0.00		8473700
RG AT BROWNSVILLE	18-Jun-26	no data	0.00		8475000
ANZALDUAS SALINITY	18-Jun-26	31.850	1090	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-Jun-26	0:00	2496	2496	1311.430	160	-6
					(6%)				1	0
CABALLO
18-Jun-26	0:00	280	403	1261.105	27	-1
					(10%)				1	0
AMISTAD - 08450800
18-Jun-26	0:00	3980	6056	319.295	751	2
Requested	6:00	U.S.	15.00	CMS	(19%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
18-Jun-26	0:00	3289	3923	79.915	601	20
Requested	6:00	U.S.	2.00	CMS	(18%)				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-Jun-26	0:00	25,160		3527.56	5,693	-2
LAKE MEAD
18-Jun-26	0:00	28,945		1046.61	7,440	-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
6/18/26 0:00	245	377	0.142	51.273	0.000	21%
BOQUILLA
6/17/26 0:00	2847	3208	0.000	718.488	34.000	25%
F.I. MADERO
6/17/26 0:00	333	456	0.000	207.604	5.000	62%
PICO DEL AGUILA
6/18/26 0:00	48	89	0.493	37.658	1.300	78%
CHIHUAHUA
6/18/26 0:00	23	36	0.000	9.581	0.090	41%
EL REJON
6/18/26 0:00	7	8	0.000	2.360	0.000	36%
LUIS L. LEON
6/18/26 0:00	284	825	0.000	57.131	0.000	20%
RIO SAN DIEGO BASIN
CENTENARIO
6/18/26 0:00	25	26	0.000	7.619	0.000	31%
SAN MIGUEL
6/18/26 0:00	21	22	0.051	9.216	0.000	44%
RIO SAN RODRIGO BASIN
LA FRAGUA
6/18/26 0:00	47	85	0.000	16.950	0.000	36%
RIO SALADO BASIN
VENUSTIANO CARRANZA
6/18/26 0:00	614	1322	0.336	87.493	0.000	14%
RIO ALAMO BASIN
LAS BLANCAS
6/18/26 0:00	84	134	0.000	23.624	0.300	28%
RIO SAN JUAN BASIN
EL CUCHILLO
6/18/26 0:00	1123	1784	2.946	685.752	8.042	61%
MARTE GOMEZ
6/18/26 0:00	782	2209	3.093	476.909	0.000	61%
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.