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.        
                     
                     
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            
    METERS             CMS     MM            
RG BELOW CABALLO DAM 2-Dec-21   0.03              
RG AT EL PASO 2-Dec-21 0.626 0.46              
RG BELOW AMERICAN DAM 2-Dec-21 1.173 0.00              
AMERICAN CANAL 2-Dec-21 0.183 0.47              
RG AT FORT QUITMAN 2-Dec-21 N/A N/A              
RG ABOVE RIO CONCHOS 2-Dec-21 1.679 0.14              
RG BELOW RIO CONCHOS 2-Dec-21 0.596 0.61              
RG AT JOHNSON RANCH 2-Dec-21 0.872 0.56              
RG AT FOSTER RANCH 2-Dec-21 0.450 6.52              
PECOS NEAR LANGTRY 2-Dec-21 0.488 2.51              
DEVILS AT PAFFORD 2-Dec-21 0.682 4.10              
AMISTAD DAM                    
RG AT DEL RIO 2-Dec-21 0.604 37.64              
RG AT EAGLE PASS 2-Dec-21 0.931 37.20              
RG NEAR EL INDIO 2-Dec-21 1.847 25.25              
RG AT COLOMBIA                2-Dec-21 2.103 27.37              
RG AT LAREDO 2-Dec-21 0.486 28.61              
FALCON DAM                    
RG AT RIO GRANDE CTY 2-Dec-21 7.704 12.76              
RG BL ANZALDUAS DAM 2-Dec-21 23.780 12.50              
RG AT SAN BENITO 2-Dec-21 10.627 7.67              
RG AT BROWNSVILLE 2-Dec-21 0.966 4.93              
                     
ANZALDUAS SALINITY 2-Dec-21 31.405 930 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
2-Dec-21 0:00 2496 2496 1311.750 168 1        
          (7%)       1 0
CABALLO                    
2-Dec-21 0:00 280 403 1260.080 18 0        
          (6%)       1 0
AMISTAD                    
2-Dec-21 0:00 4040 6181 326.000 1381 0        
Requested 6:00 U.S. 20.00 CMS (34%)       0 0
Release   MEX. 3.00 CMS            
FALCON                    
2-Dec-21 0:00 3265 3883 78.920 517 1        
Requested 6:00 U.S. 5.00 CMS (16%)       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                    
2-Dec-21 0:00 24,322 3541.76 7,010 -6        
LAKE MEAD                    
2-Dec-21 0:00 26,120 1064.94 8,802 -2        
                     
                     
                     
MEXICAN RESERVOIRS      
(Storages in Million M3, Elevations in Meters, Releases in CMS)      
                     
Reservoir                     Date Normal Flood   Current      Spill Percent        
  Cons. Control Elev.  Storage or of        
  Capacity Capacity     Release Cons.        
    RIO CONCHOS BASIN                    
SAN GABRIEL                    
12/2/21 8:00 245 377 1777.900 107.072 0.000 44%        
BOQUILLA                    
12/2/21 8:00 2894 3278 1317.000 1031.505 1.300 36%        
F.I. MADERO                    
12/2/21 8:00 355 547 1239.300 205.315 0.000 58%        
PICO DEL AGUILA                    
12/2/21 8:00 48 89 1616.900 42.005 0.000 87%        
CHIHUAHUA                    
12/2/21 8:00 23 36 1540.820 12.261 0.090 52%        
EL REJON                    
12/2/21 8:00 7 8 1477.080 3.434 0.000 52%        
LUIS L. LEON                    
12/2/21 8:00 292 832 1034.800 92.807 0.000 32%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
12/2/21 8:00 25 26 336.150 15.678 0.000 64%        
SAN MIGUEL                    
12/2/21 8:00 21 22 341.740 17.900 0.000 85%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
12/2/21 8:00 47 85 300.300 13.551 0.000 29%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
12/2/21 8:00 874 1322 -1.000 133.719 0.000 15%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
12/2/21 8:00 84 134 89.920 21.226 0.300 25%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
12/2/21 8:00 1123 1784 162.350 630.580 5.323 56%        
MARTE GOMEZ                    
12/2/21 8:00 782 2209 76.300 748.114 0.000 96%        
                     
  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.