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 22-May-15   5.66              
RG AT EL PASO 22-May-15 0.800 0.20              
RG BELOW AMERICAN DAM 22-May-15 1.560 0.00              
AMERICAN CANAL 22-May-15 0.750 0.22              
RG AT FORT QUITMAN 22-May-15 1.414 0.00              
RG ABOVE RIO CONCHOS 22-May-15 1.450 1.19              
RG BELOW RIO CONCHOS 22-May-15 0.680 2.14              
RG AT JOHNSON RANCH 22-May-15 1.710 10.90              
RG AT FOSTER RANCH 22-May-15 0.572 15.50              
PECOS NEAR LANGTRY 22-May-15 0.659 7.36 1            
DEVILS AT PAFFORD 22-May-15 0.637 2.91              
AMISTAD DAM       1            
RG AT DEL RIO 22-May-15 0.489 15.30              
RG AT EAGLE PASS 22-May-15 1.062 42.50              
RG NEAR EL INDIO 22-May-15 2.169 88.20              
RG AT COLOMBIA                22-May-15 3.248 172.00              
RG AT LAREDO 22-May-15 1.583 174.00              
FALCON DAM                    
RG AT RIO GRANDE CTY 22-May-15 10.210 366.00              
RG BL ANZALDUAS DAM 22-May-15 25.430 81.50 5            
RG AT SAN BENITO 22-May-15 11.080 30.50              
RG AT BROWNSVILLE 22-May-15 2.305 26.10              
                     
ANZALDUAS SALINITY 22-May-15 31.820 975 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
22-May-15 0:00 2496 2496 ######### #######          
          (-86010668%)       1 0
CABALLO                    
22-May-15 0:00 280 403 ######### #######          
          (-766723669%)       1 0
AMISTAD                    
22-May-15 0:00 4040 6181 331.700 2178 -2        
Requested 6:00 U.S. 20.00 CMS (54%)       0 0
Release   MEX. 3.00 CMS            
FALCON                    
22-May-15 0:00 3265 3883 85.670 1581 22        
Requested 6:00 U.S. 0.00 CMS (48%)       0 0
Release   MEX. 0.00 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                    
22-May-15 0:00 24,322 NR NR          
LAKE MEAD                    
22-May-15 0:00 25,877 NR NR          
                     
                     
                     
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                    
5/22/15 8:00 245 317 1775.240 194.048 0.800 79%        
BOQUILLA                    
5/22/15 8:00 2894 3278 1312.250 2146.887 50.000 74%        
F.I. MADERO                    
5/22/15 8:00 355 478 1237.320 290.311 5.400 82%        
PICO DEL AGUILA                    
5/22/15 8:00 51 87 1611.400 26.576 4.300 52%        
CHIHUAHUA                    
5/22/15 8:00 26 38 1540.290 21.820 0.030 84%        
EL REJON                    
5/22/15 8:00 7 8 1476.680 6.258 0.000 95%        
LUIS L. LEON                    
5/22/15 8:00 292 832 1033.350 260.799 6.500 89%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
5/22/15 8:00 25 26 335.950 23.632 0.000 96%        
SAN MIGUEL                    
5/22/15 8:00 21 22 341.690 20.923 0.000 102%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
5/22/15 8:00 47 85 299.410 40.328 0.000 85%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
5/22/15 8:00 1313 1322 258.930 825.716 8.010 63%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
5/22/15 8:00 84 134 84.270 20.916 0.000 25%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
5/22/15 8:00 1123 1784 164.310 1394.479 244.253 124%        
MARTE GOMEZ                    
5/22/15 8:00 782 2304 77.960 1046.817 281.472 134%        
                     
  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.