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 15-Aug-25   1.73              
RG AT EL PASO 15-Aug-25 1.019 9.29   8364000          
RG BELOW AMERICAN DAM 15-Aug-25 1.362 0.04   8365000          
AMERICAN CANAL 15-Aug-25 1.390 8.69   8364500          
RG AT FORT QUITMAN 15-Aug-25 1.843 0.01   8370500          
RG ABOVE RIO CONCHOS 15-Aug-25 2.368 0.83   8371500          
RG BELOW RIO CONCHOS 15-Aug-25 0.704 3.61 1 8374200          
RG AT JOHNSON RANCH 15-Aug-25 1.341 5.51 33 8375000          
RG AT FOSTER RANCH 15-Aug-25 0.488 9.16   8377200          
PECOS NEAR LANGTRY 15-Aug-25 0.422 1.37   8447410          
DEVILS AT PAFFORD 15-Aug-25 0.630 2.38   8449400          
AMISTAD DAM                    
RG AT DEL RIO 15-Aug-25 0.503 20.37   8451800          
RG AT EAGLE PASS 15-Aug-25 0.966 26.50   8458000          
RG NEAR EL INDIO 15-Aug-25 1.761 18.90   8458700          
RG AT COLOMBIA                15-Aug-25 1.911 5.89   8458800          
RG AT LAREDO 15-Aug-25 0.353 1305.00   8459000          
FALCON DAM                    
RG AT RIO GRANDE CTY 15-Aug-25 7.801 23.75   8464700          
RG BL ANZALDUAS DAM 15-Aug-25 23.930 17.70   8469200          
RG AT SAN BENITO 15-Aug-25 10.531 5.03   8473700          
RG AT BROWNSVILLE 15-Aug-25 0.659 2.68   8475000          
                     
ANZALDUAS SALINITY 15-Aug-25 31.230 730 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
15-Aug-25 0:00 2496 2496 1307.965 91 0        
          (4%)       1 0
CABALLO                    
15-Aug-25 0:00 280 403 1258.630 8 0        
          (3%)       1 0
AMISTAD - 08450800                    
15-Aug-25 0:00 3980 6056 321.890 944 -1        
Requested 6:00 U.S. 15.00 CMS (24%)       0 1
Release   MEX. 3.00 CMS            
FALCON - 08461200                    
15-Aug-25 0:00 3289 3923 77.620 371 -2        
Requested 6:00 U.S. 9.00 CMS (11%)       0 1
Release   MEX. 9.00 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                    
15-Aug-25 0:00 25,160 3552.02 7,234 -18        
LAKE MEAD                    
15-Aug-25 0:00 28,945 1054.42 8,006 4        
                     
                     
                     
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                    
8/15/25 0:00 245 377 -0.078 55.899 0.300 23%        
BOQUILLA                    
8/15/25 0:00 2894 3208 1.654 651.658 1.300 23%        
F.I. MADERO                    
8/15/25 0:00 355 456 0.000 141.286 0.000 40%        
PICO DEL AGUILA                    
8/15/25 0:00 48 89 -0.428 39.912 4.100 83%        
CHIHUAHUA                    
8/15/25 0:00 23 36 0.000 12.457 0.090 53%        
EL REJON                    
8/15/25 0:00 7 8 0.000 2.880 0.000 44%        
LUIS L. LEON                    
8/15/25 0:00 284 825 -0.672 175.284 8.000 62%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
8/15/25 0:00 25 26 0.000 7.441 0.000 30%        
SAN MIGUEL                    
8/15/25 0:00 21 22 -0.038 17.148 0.250 81%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
8/15/25 0:00 47 85 0.000 41.760 0.000 88%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
8/15/25 0:00 614 1322 -0.893 143.544 5.149 23%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
8/15/25 0:00 84 134 -0.122 24.472 0.300 29%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
8/15/25 0:00 1123 1784 -0.982 822.239 9.453 73%        
MARTE GOMEZ                    
8/15/25 0:00 782 2209 -1.268 646.710 10.000 83%        
                     
  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.