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 25-May-18   35.91              
RG AT EL PASO 25-May-18 1.345 19.40              
RG BELOW AMERICAN DAM 25-May-18 1.554 1.55              
AMERICAN CANAL 25-May-18 1.945 17.10              
RG AT FORT QUITMAN 25-May-18 2.070 0.81              
RG ABOVE RIO CONCHOS 25-May-18 1.675 0.55              
RG BELOW RIO CONCHOS 25-May-18 0.706 2.88              
RG AT JOHNSON RANCH 25-May-18 1.324 6.97              
RG AT FOSTER RANCH 25-May-18 0.474 8.26              
PECOS NEAR LANGTRY 25-May-18 0.487 2.31              
DEVILS AT PAFFORD 25-May-18 0.637 2.63              
AMISTAD DAM                    
RG AT DEL RIO 25-May-18 0.494 16.60              
RG AT EAGLE PASS 25-May-18 0.852 0.00              
RG NEAR EL INDIO 25-May-18 1.831 22.90              
RG AT COLOMBIA                25-May-18 1.981 16.50              
RG AT LAREDO 25-May-18 0.525 16.00              
FALCON DAM                    
RG AT RIO GRANDE CTY 25-May-18 8.603 104.00              
RG BL ANZALDUAS DAM 25-May-18 25.410 82.00              
RG AT SAN BENITO 25-May-18 10.720 13.00              
RG AT BROWNSVILLE 25-May-18 0.960 6.74              
                     
ANZALDUAS SALINITY 25-May-18 31.790 825 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
25-May-18 00:00 2496 2496 1319.280 437 -2        
          (18%)       0 1
CABALLO                    
25-May-18 00:00 280 403 1263.040 50 -1        
          (18%)       0 1
AMISTAD                    
25-May-18 00:00 4040 6181 331.490 2143 -2        
Requested 06:00 U.S. 20.00 CMS (53%)       0 0
Release   MEX. 3.00 CMS            
FALCON                    
25-May-18 00:00 3265 3883 81.655 865 -9        
Requested 06:00 U.S. 85.00 CMS (26%)       0 0
Release   MEX. 20.00 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                    
25-May-18 00:00 24,322 3610.69 12,800 8        
LAKE MEAD                    
25-May-18 00:00 25,877 1081.09 10,101 -18        
                     
                     
                     
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                    
5/24/18 8:00 245 317 0.000 193.683 17.500 79%        
BOQUILLA                    
5/24/18 8:00 2894 3278 0.000 2213.515 41.300 76%        
F.I. MADERO                    
5/24/18 8:00 355 478 0.000 269.590 21.600 76%        
PICO DEL AGUILA                    
5/24/18 8:00 48 87 0.000 28.914 5.300 60%        
CHIHUAHUA                    
5/24/18 8:00 23 38 0.000 18.092 0.090 77%        
EL REJON                    
5/24/18 8:00 7 8 0.000 5.058 0.000 77%        
LUIS L. LEON                    
5/24/18 8:00 292 832 0.000 226.364 6.500 77%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
5/24/18 8:00 25 26 0.000 22.864 0.840 93%        
SAN MIGUEL                    
5/24/18 8:00 21 22 0.000 14.971 2.000 71%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
5/24/18 8:00 47 85 0.000 42.455 0.885 90%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
5/24/18 8:00 1313 1322 0.000 704.797 10.334 54%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
5/24/18 8:00 84 134 0.000 14.960 0.300 18%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
5/24/18 8:00 1123 1784 0.000 789.836 6.942 70%        
MARTE GOMEZ                    
5/24/18 8:00 782 2304 0.000 378.885 32.100 48%        
                     
  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.