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	13-Mar-26		0.03
RG AT EL PASO	13-Mar-26	0.570	0.21		8364000
RG BELOW AMERICAN DAM	13-Mar-26	1.232	0.04		8365000
AMERICAN CANAL	13-Mar-26	0.548	0.33		8364500
RG AT FORT QUITMAN	13-Mar-26	2.261	0.23		8370500
RG ABOVE RIO CONCHOS	13-Mar-26	2.155	0.21		8371500
RG BELOW RIO CONCHOS	13-Mar-26	0.869	4.79		8374200
RG AT JOHNSON RANCH	13-Mar-26	1.303	4.63		8375000
RG AT FOSTER RANCH	13-Mar-26	0.486	9.08		8377200
PECOS NEAR LANGTRY	13-Mar-26	0.481	2.61		8447410
DEVILS AT PAFFORD	13-Mar-26	0.635	3.02		8449400
AMISTAD DAM
RG AT DEL RIO	13-Mar-26	0.500	80.90		8451800
RG AT EAGLE PASS	13-Mar-26	1.118	40.10		8458000
RG NEAR EL INDIO	13-Mar-26	2.034	47.90		8458700
RG AT COLOMBIA	13-Mar-26	2.588	78.16		8458800
RG AT LAREDO	13-Mar-26	0.536	28.37		8459000
FALCON DAM
RG AT RIO GRANDE CTY	13-Mar-26	8.005	38.64		8464700
RG BL ANZALDUAS DAM	13-Mar-26	24.040	22.67		8469200
RG AT SAN BENITO	13-Mar-26	10.570	6.00		8473700
RG AT BROWNSVILLE	13-Mar-26	0.656	2.44		8475000
ANZALDUAS SALINITY	13-Mar-26	31.310	705	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
13-Mar-26	0:00	2496	2496	1316.285	302	1
					(12%)				0	1
CABALLO
13-Mar-26	0:00	280	403	1260.305	20	0
					(7%)				1	0
AMISTAD - 08450800
13-Mar-26	0:00	3980	6056	319.825	787	-2
Requested	6:00	U.S.	30.00	CMS	(20%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
13-Mar-26	0:00	3289	3923	78.400	440	-1
Requested	6:00	U.S.	30.00	CMS	(13%)				0	1
Release		MEX.	3.00	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
13-Mar-26	0:00	25,160		3529.81	5,826	-6
LAKE MEAD
13-Mar-26	0:00	28,945		1065.14	8,818	-11
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
3/13/26 0:00	245	377	-0.110	98.435	0.300	40%
BOQUILLA
3/13/26 0:00	2847	3208	0.000	1081.602	0.000	38%
F.I. MADERO
3/13/26 0:00	333	456	0.000	231.218	0.000	69%
PICO DEL AGUILA
3/13/26 0:00	48	89	-0.135	34.696	0.000	72%
CHIHUAHUA
3/13/26 0:00	23	36	-0.019	10.985	0.090	47%
EL REJON
3/13/26 0:00	7	8	-0.004	2.566	0.000	39%
LUIS L. LEON
3/13/26 0:00	284	825	-0.879	86.247	10.000	30%
RIO SAN DIEGO BASIN
CENTENARIO
3/13/26 0:00	25	26	0.000	8.176	0.000	33%
SAN MIGUEL
3/13/26 0:00	21	22	0.000	13.582	0.000	64%
RIO SAN RODRIGO BASIN
LA FRAGUA
3/13/26 0:00	47	85	0.000	20.896	0.000	44%
RIO SALADO BASIN
VENUSTIANO CARRANZA
3/13/26 0:00	874	1322	-0.337	106.000	0.000	12%
RIO ALAMO BASIN
LAS BLANCAS
3/13/26 0:00	84	134	-0.039	22.038	0.300	26%
RIO SAN JUAN BASIN
EL CUCHILLO
3/13/26 0:00	1123	1784	-0.982	724.047	7.301	64%
MARTE GOMEZ
3/13/26 0:00	782	2209	-2.535	631.498	20.000	81%
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.