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	30-Apr-25		0.02
RG AT EL PASO	30-Apr-25	0.450	0.21		8364000
RG BELOW AMERICAN DAM	30-Apr-25	0.990	0.11		8365000
AMERICAN CANAL	30-Apr-25	0.567	0.40		8364500
RG AT FORT QUITMAN	30-Apr-25	1.945	0.04		8370500
RG ABOVE RIO CONCHOS	30-Apr-25	1.648	0.00		8371500
RG BELOW RIO CONCHOS	30-Apr-25	0.400	0.00		8374200
RG AT JOHNSON RANCH	30-Apr-25	0.683	0.00		8375000
RG AT FOSTER RANCH	30-Apr-25	0.460	7.31		8377200
PECOS NEAR LANGTRY	30-Apr-25	0.499	2.91		8447410
DEVILS AT PAFFORD	30-Apr-25	0.628	2.25		8449400
AMISTAD DAM
RG AT DEL RIO	30-Apr-25	0.492	16.65		8451800
RG AT EAGLE PASS	30-Apr-25	0.850	19.20		8458000
RG NEAR EL INDIO	30-Apr-25	1.770	16.37		8458700
RG AT COLOMBIA	30-Apr-25	1.953	17.14		8458800
RG AT LAREDO	30-Apr-25	0.367	13.79		8459000
FALCON DAM
RG AT RIO GRANDE CTY	30-Apr-25	8.280	75.96		8464700
RG BL ANZALDUAS DAM	30-Apr-25	23.770	11.90		8469200
RG AT SAN BENITO	30-Apr-25	10.564	5.62		8473700
RG AT BROWNSVILLE	30-Apr-25	0.922	3.63		8475000
ANZALDUAS SALINITY	30-Apr-25	31.250	630	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
30-Apr-25	0:00	2496	2496	1317.540	349	0
					(14%)				0	1
CABALLO
30-Apr-25	0:00	280	403	1260.690	23	0
					(8%)				1	0
AMISTAD - 08450800
30-Apr-25	0:00	3980	6056	319.685	777	-1
Requested	6:00	U.S.	15.00	CMS	(20%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
30-Apr-25	0:00	3289	3923	77.800	386	-3
Requested	6:00	U.S.	15.00	CMS	(12%)				0	1
Release		MEX.	7.00	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
30-Apr-25	0:00	25,160		3557.94	7,642	-5
LAKE MEAD
30-Apr-25	0:00	28,945		1062.38	8,605	-8
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
4/30/25 0:00	245	377	-0.065	48.267	0.300	20%
BOQUILLA
4/30/25 0:00	2894	3208	-0.381	415.012	0.000	14%
F.I. MADERO
4/30/25 0:00	355	456	0.000	38.889	0.000	11%
PICO DEL AGUILA
4/30/25 0:00	48	89	-0.169	33.501	1.500	69%
CHIHUAHUA
4/30/25 0:00	23	36	-0.035	9.969	0.060	43%
EL REJON
4/30/25 0:00	7	8	0.000	1.986	0.000	30%
LUIS L. LEON
4/30/25 0:00	292	825	-1.418	154.962	12.000	53%
RIO SAN DIEGO BASIN
CENTENARIO
4/30/25 0:00	25	26	0.000	10.026	0.000	41%
SAN MIGUEL
4/30/25 0:00	21	22	-0.075	16.810	0.750	79%
RIO SAN RODRIGO BASIN
LA FRAGUA
4/30/25 0:00	47	85	-0.077	44.464	0.000	94%
RIO SALADO BASIN
VENUSTIANO CARRANZA
4/30/25 0:00	874	1322	-0.447	152.475	0.000	17%
RIO ALAMO BASIN
LAS BLANCAS
4/30/25 0:00	84	134	0.000	28.133	0.300	34%
RIO SAN JUAN BASIN
EL CUCHILLO
4/30/25 0:00	1123	1784	-25.426	894.520	239.351	80%
MARTE GOMEZ
4/30/25 0:00	782	2209	24.034	808.738	58.000	103%
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.