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 5-May-15   0.00              
RG AT EL PASO 5-May-15 0.795 0.01              
RG BELOW AMERICAN DAM 5-May-15 1.560 0.00              
AMERICAN CANAL 5-May-15 0.790 0.42              
RG AT FORT QUITMAN 5-May-15 1.414 0.00              
RG ABOVE RIO CONCHOS 5-May-15 1.190 0.05              
RG BELOW RIO CONCHOS 5-May-15 0.600 1.15              
RG AT JOHNSON RANCH 5-May-15 1.286 0.70              
RG AT FOSTER RANCH 5-May-15 0.471 7.95              
PECOS NEAR LANGTRY 5-May-15 0.610 5.57              
DEVILS AT PAFFORD 5-May-15 0.609 2.62              
AMISTAD DAM       1            
RG AT DEL RIO 5-May-15 0.475 14.50              
RG AT EAGLE PASS 5-May-15 0.919 28.40              
RG NEAR EL INDIO 5-May-15 1.875 29.10              
RG AT COLOMBIA                5-May-15 2.074 25.70              
RG AT LAREDO 5-May-15 0.585 28.70              
FALCON DAM                    
RG AT RIO GRANDE CTY 5-May-15 8.605 109.00              
RG BL ANZALDUAS DAM 5-May-15 24.920 45.30              
RG AT SAN BENITO 5-May-15 12.425 75.10              
RG AT BROWNSVILLE 5-May-15 4.470 75.10              
                     
ANZALDUAS SALINITY 5-May-15 31.820 1040 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
5-May-15 0:00 2496 2496 1320.340 484 0        
          (19%)       0 1
CABALLO                    
5-May-15 0:00 280 403 1262.815 47 1        
          (17%)       0 1
AMISTAD                    
5-May-15 0:00 4040 6181 331.660 2171 -2        
Requested 6:00 U.S. 20.00 CMS (54%)       0 0
Release   MEX. 3.00 CMS            
FALCON                    
5-May-15 0:00 3265 3883 85.150 1474 2        
Requested 6:00 U.S. 2.00 CMS (45%)       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                    
5-May-15 0:00 24,322 NR NR          
LAKE MEAD                    
5-May-15 0:00 25,877 1078.83 9,914 -10        
                     
                     
                     
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                    
4/30/15 8:00 245 317 1776.840 224.112 0.350 91%        
BOQUILLA                    
4/30/15 8:00 2894 3278 1313.100 2268.096 45.000 78%        
F.I. MADERO                    
4/30/15 8:00 355 478 1238.020 312.245 10.700 88%        
PICO DEL AGUILA                    
4/30/15 8:00 51 87 1607.080 14.394 4.200 28%        
CHIHUAHUA                    
4/30/15 8:00 26 38 1540.320 21.906 0.030 85%        
EL REJON                    
4/30/15 8:00 7 8 1476.700 6.275 0.000 95%        
LUIS L. LEON                    
4/30/15 8:00 292 832 1033.890 272.296 7.000 93%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
4/30/15 8:00 25 26 335.890 23.361 0.320 95%        
SAN MIGUEL                    
4/30/15 8:00 21 22 341.660 20.795 0.000 101%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
4/30/15 8:00 47 85 299.060 37.762 0.000 80%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
4/30/15 8:00 1313 1322 259.050 843.773 0.000 64%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
4/30/15 8:00 84 134 84.270 20.916 0.000 25%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
4/30/15 8:00 1123 1784 165.480 1579.248 125.280 141%        
MARTE GOMEZ                    
4/30/15 8:00 782 2304 77.840 1026.821 188.866 131%        
                     
  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.