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	28-May-25		0.03
RG AT EL PASO	28-May-25	0.610	0.13		8364000
RG BELOW AMERICAN DAM	28-May-25	0.989	0.00		8365000
AMERICAN CANAL	28-May-25	0.530	0.28		8364500
RG AT FORT QUITMAN	28-May-25	1.822	0.00		8370500
RG ABOVE RIO CONCHOS	28-May-25	1.649	0.00		8371500
RG BELOW RIO CONCHOS	28-May-25	0.379	0.00		8374200
RG AT JOHNSON RANCH	28-May-25	0.804	0.00		8375000
RG AT FOSTER RANCH	28-May-25	0.421	5.25		8377200
PECOS NEAR LANGTRY	28-May-25	0.428	1.29		8447410
DEVILS AT PAFFORD	28-May-25	0.673	2.44	51	8449400
AMISTAD DAM
RG AT DEL RIO	28-May-25	0.479	14.77	2	8451800
RG AT EAGLE PASS	28-May-25	0.945	25.10	1	8458000
RG NEAR EL INDIO	28-May-25	1.799	22.67	41	8458700
RG AT COLOMBIA	28-May-25	2.013	22.61		8458800
RG AT LAREDO	28-May-25	0.345	12.52		8459000
FALCON DAM				1
RG AT RIO GRANDE CTY	28-May-25	7.785	23.02		8464700
RG BL ANZALDUAS DAM	28-May-25	24.150	25.72		8469200
RG AT SAN BENITO	28-May-25	10.631	9.25		8473700
RG AT BROWNSVILLE	28-May-25	0.864	3.29		8475000
ANZALDUAS SALINITY	28-May-25	31.255	1015	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
28-May-25	0:00	2496	2496	1316.645	315	-2
					(13%)				0	1
CABALLO
28-May-25	0:00	280	403	1263.745	60	2
					(21%)				0	1
AMISTAD - 08450800
28-May-25	0:00	3980	6056	319.605	772	0
Requested	6:00	U.S.	15.00	CMS	(19%)				0	1
Release		MEX.	3.00	CMS
FALCON - 08461200
28-May-25	0:00	3289	3923	77.460	357	0
Requested	6:00	U.S.	10.00	CMS	(11%)				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
28-May-25	0:00	25,160		3558.82	7,703	-2
LAKE MEAD
28-May-25	0:00	28,945		1057.92	8,266	-15
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
5/28/25 0:00	245	377	-0.129	45.950	0.300	19%
BOQUILLA
5/28/25 0:00	2894	3208	-0.381	404.330	1.300	14%
F.I. MADERO
5/28/25 0:00	355	456	-0.154	38.276	0.000	11%
PICO DEL AGUILA
5/28/25 0:00	48	89	-0.480	25.068	4.300	52%
CHIHUAHUA
5/28/25 0:00	23	36	0.000	9.415	0.090	40%
EL REJON
5/28/25 0:00	7	8	0.000	1.923	0.000	29%
LUIS L. LEON
5/28/25 0:00	292	825	-0.894	135.226	10.500	46%
RIO SAN DIEGO BASIN
CENTENARIO
5/28/25 0:00	25	26	0.000	9.576	0.180	39%
SAN MIGUEL
5/28/25 0:00	21	22	0.000	15.745	0.000	74%
RIO SAN RODRIGO BASIN
LA FRAGUA
5/28/25 0:00	47	85	0.000	44.773	0.000	95%
RIO SALADO BASIN
VENUSTIANO CARRANZA
5/28/25 0:00	874	1322	0.000	142.204	0.000	16%
RIO ALAMO BASIN
LAS BLANCAS
5/28/25 0:00	84	134	-0.122	26.425	0.300	32%
RIO SAN JUAN BASIN
EL CUCHILLO
5/28/25 0:00	1123	1784	0.000	885.274	5.618	79%
MARTE GOMEZ
5/28/25 0:00	782	2209	-3.983	709.180	50.500	91%
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.