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 31-Jul-15   47.82              
RG AT EL PASO 31-Jul-15 1.770 23.30              
RG BELOW AMERICAN DAM 31-Jul-15 1.960 6.35              
AMERICAN CANAL 31-Jul-15 2.500 21.50              
RG AT FORT QUITMAN 31-Jul-15 1.428 0.01              
RG ABOVE RIO CONCHOS 31-Jul-15 1.550 0.43              
RG BELOW RIO CONCHOS 31-Jul-15 0.690 3.23              
RG AT JOHNSON RANCH 31-Jul-15 1.598 3.51              
RG AT FOSTER RANCH 31-Jul-15 0.568 15.60              
PECOS NEAR LANGTRY 31-Jul-15 0.538 3.38              
DEVILS AT PAFFORD 31-Jul-15 0.616 2.83              
AMISTAD DAM                    
RG AT DEL RIO 31-Jul-15 0.511 19.80              
RG AT EAGLE PASS 31-Jul-15 0.940 30.40              
RG NEAR EL INDIO 31-Jul-15 1.866 29.00              
RG AT COLOMBIA                31-Jul-15 2.069 24.90              
RG AT LAREDO 31-Jul-15 0.524 15.60              
FALCON DAM                    
RG AT RIO GRANDE CTY 31-Jul-15 8.424 83.40              
RG BL ANZALDUAS DAM 31-Jul-15 25.130 59.90              
RG AT SAN BENITO 31-Jul-15 10.695 8.94              
RG AT BROWNSVILLE 31-Jul-15 0.815 4.68              
                     
ANZALDUAS SALINITY 31-Jul-15 31.425 760 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
31-Jul-15 0:00 2496 2496 ######### #######          
          (-86010668%)       1 0
CABALLO                    
31-Jul-15 0:00 280 403 ######### #######          
          (-766723669%)       1 0
AMISTAD                    
31-Jul-15 0:00 4040 6181 332.100 2246 -1        
Requested 6:00 U.S. 20.00 CMS (56%)       0 0
Release   MEX. 3.00 CMS            
FALCON                    
31-Jul-15 0:00 3265 3883 86.485 1764 -2        
Requested 6:00 U.S. 0.00 CMS (54%)       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                    
31-Jul-15 0:00 24,322 NR NR          
LAKE MEAD                    
31-Jul-15 0:00 25,877 1077.83 9,832 8        
                     
                     
                     
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                    
7/31/15 8:00 245 317 1774.390 179.146 0.000 73%        
BOQUILLA                    
7/31/15 8:00 2894 3278 1311.140 1995.297 45.000 69%        
F.I. MADERO                    
7/31/15 8:00 355 478 1235.730 244.327 12.500 69%        
PICO DEL AGUILA                    
7/31/15 8:00 51 87 1610.720 24.305 2.800 48%        
CHIHUAHUA                    
7/31/15 8:00 26 38 1539.270 19.021 0.060 74%        
EL REJON                    
7/31/15 8:00 7 8 1424.400 4.489 0.000 68%        
LUIS L. LEON                    
7/31/15 8:00 292 832 1033.700 268.251 6.500 92%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
7/31/15 8:00 25 26 335.680 22.413 0.850 91%        
SAN MIGUEL                    
7/31/15 8:00 21 22 341.190 19.351 0.690 94%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
7/31/15 8:00 47 85 300.300 47.295 0.000 100%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
7/31/15 8:00 1313 1322 259.190 866.123 6.105 66%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
7/31/15 8:00 84 134 84.270 20.916 0.000 25%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
7/31/15 8:00 1123 1784 162.220 1105.622 79.507 98%        
MARTE GOMEZ                    
7/31/15 8:00 782 2304 76.540 817.750 69.760 105%        
                     
  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.