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 20-May-26   0.03              
RG AT EL PASO 20-May-26 0.552 0.12   8364000          
RG BELOW AMERICAN DAM 20-May-26 1.171 0.00   8365000          
AMERICAN CANAL 20-May-26 0.517 0.28   8364500          
RG AT FORT QUITMAN 20-May-26 2.078 0.00   8370500          
RG ABOVE RIO CONCHOS 20-May-26 1.967 0.00   8371500          
RG BELOW RIO CONCHOS 20-May-26 0.424 0.00   8374200          
RG AT JOHNSON RANCH 20-May-26 1.138 0.33   8375000          
RG AT FOSTER RANCH 20-May-26 0.425 5.18   8377200          
PECOS NEAR LANGTRY 20-May-26 0.442 1.79   8447410          
DEVILS AT PAFFORD 20-May-26 0.643 2.76 11 8449400          
AMISTAD DAM                    
RG AT DEL RIO 20-May-26 0.410 7.95   8451800          
RG AT EAGLE PASS 20-May-26 1.287 63.20   8458000          
RG NEAR EL INDIO 20-May-26 1.849 27.94 71 8458700          
RG AT COLOMBIA                20-May-26 2.038 20.30   8458800          
RG AT LAREDO 20-May-26 0.581 32.50   8459000          
FALCON DAM                    
RG AT RIO GRANDE CTY 20-May-26 7.870 30.59   8464700          
RG BL ANZALDUAS DAM 20-May-26 24.050 23.02   8469200          
RG AT SAN BENITO 20-May-26 10.575 6.47   8473700          
RG AT BROWNSVILLE 20-May-26 0.694 1.86   8475000          
                     
ANZALDUAS SALINITY 20-May-26 31.825 1100 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
20-May-26 0:00 2496 2496 1315.575 278 -2        
          (11%)       0 1
CABALLO                    
20-May-26 0:00 280 403 1262.650 44 1        
          (16%)       0 1
AMISTAD - 08450800                    
20-May-26 0:00 3980 6056 319.285 750 0        
Requested 6:00 U.S. 20.00 CMS (19%)       0 1
Release   MEX. 3.00 CMS            
FALCON - 08461200                    
20-May-26 0:00 3289 3923 78.745 473 0        
Requested 6:00 U.S. 15.00 CMS (14%)       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                    
20-May-26 0:00 25,160 3527.46 5,688 9        
LAKE MEAD                    
20-May-26 0:00 28,945 1052.22 7,844 -10        
                     
                     
                     
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                    
5-20-26 0:00 245 377 -1.266 67.401 14.500 27%        
BOQUILLA                    
5-20-26 0:00 2847 3208 0.000 823.652 35.000 29%        
F.I. MADERO                    
5-20-26 0:00 333 456 0.000 218.119 2.800 65%        
PICO DEL AGUILA                    
5-20-26 0:00 48 89 0.714 27.277 4.800 57%        
CHIHUAHUA                    
5-20-26 0:00 23 36 -0.035 9.899 0.090 42%        
EL REJON                    
5-20-26 0:00 7 8 -0.004 2.401 0.000 37%        
LUIS L. LEON                    
5-20-26 0:00 284 825 0.000 56.739 0.000 20%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
5-20-26 0:00 25 26 0.000 8.287 0.000 34%        
SAN MIGUEL                    
5-20-26 0:00 21 22 -0.139 10.610 0.750 50%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
5-20-26 0:00 47 85 0.000 17.679 0.000 37%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
5-20-26 0:00 874 1322 -0.337 83.455 0.000 10%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
5-20-26 0:00 84 134 -0.039 20.800 0.300 25%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
5-20-26 0:00 1123 1784 -1.964 677.897 10.193 60%        
MARTE GOMEZ                    
5-20-26 0:00 782 2209 -3.093 462.474 33.600 59%        
                     
  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.