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 28-Aug-08   34.50          
RG AT EL PASO 28-Aug-08 1.585 19.60          
RG BELOW AMERICAN DAM 28-Aug-08 1.860 3.11          
AMERICAN CANAL 28-Aug-08 2.320 17.40          
RG AT FORT QUITMAN 28-Aug-08 2.249 9.65          
RG ABOVE RIO CONCHOS 28-Aug-07 1.880 7.19          
RG BELOW RIO CONCHOS 28-Aug-07 2.395 85.80 4        
RG AT JOHNSON RANCH 28-Aug-08 1.980 38.60          
RG AT FOSTER RANCH 28-Aug-08 0.815 44.00          
PECOS NEAR LANGTRY 28-Aug-08 0.550 4.03          
DEVILS AT PAFFORD 28-Aug-08 0.800 12.10          
AMISTAD DAM       1        
RG AT DEL RIO 28-Aug-08 0.515 21.70          
RG AT EAGLE PASS 28-Aug-08 1.390 98.40          
RG NEAR EL INDIO 28-Aug-08 2.215 97.90          
RG AT COLOMBIA                28-Aug-08 2.785 106.00 0        
RG AT LAREDO 28-Aug-08 0.945 71.30 20        
FALCON DAM                
RG AT RIO GRANDE CTY 28-Aug-08 8.100 41.80          
RG BL ANZALDUAS DAM 28-Aug-08 24.400 49.80 3        
RG AT SAN BENITO 28-Aug-08 12.060 69.10          
RG AT BROWNSVILLE 28-Aug-08 3.350 53.50          
                 
ANZALDUAS SALINITY 28-Aug-08 31.850 660 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     Change    
                 
ELEPHANT BUTTE                
28-Aug-08 8:00 2496 2496 1324.440 710 -1    
CABALLO                
28-Aug-08 0:00 280 403 1264.315 72 -2    
AMISTAD                
28-Aug-08 0:00 4040 6025 335.285 2842 3    
Requested 6:00 U.S. 30.00 CMS        
Release   MEX. 3.00 CMS        
FALCON                
28-Aug-08 0:00 3265 3897 84.350 1317 14    
Requested 6:00 U.S. 0.00 CMS        
Release   MEX. 0.00 CMS        
                 
                 
                 
MEXICAN RESERVOIRS  
(Storages in Million M3, Elevations in Meters, Releases in CMS)  
                 
Reservoir                     Date Hour Normal Flood   Current      **Usable Spill  
    Cons. Control Elev.  Storage    Storage or  
    Capacity Capacity       Release  
    RIO CONCHOS BASIN                
SAN GABRIEL                
25-Aug-08 8:00 255 255 1774.590 182 174 0.00  
BOQUILLA                
25-Aug-08 8:00 2903 2903 1312.460 2177 2064 10.00  
F.I. MADERO                
25-Aug-08 8:00 348 348 1234.500 212 206 0.00  
PICO DEL AGUILA                
25-Aug-08 8:00 50 50 1613.840 36 32 1.38  
CHIHUAHUA                
25-Aug-08 8:00 26 26 1536.120 12 10 0.05  
EL REJON                
25-Aug-08 8:00 6 6 1470.190 2 2 0.00  
LUIS L. LEON                
25-Aug-08 8:00 337 850 1034.600 288 248 3.07  
    RIO SAN DIEGO BASIN                
CENTENARIO                
25-Aug-08 8:00 26 26 334.900 19 18 0.38  
SAN MIGUEL                
25-Aug-08 8:00 20 20 340.080 15 14 0.00  
    RIO SAN RODRIGO BASIN              
LA FRAGUA                
25-Aug-08 8:00 46 46 299.880 44 35 0.00  
    RIO SALADO BASIN                
VENUSTIANO CARRANZA                
25-Aug-08 8:00 1384 1384 255.950 452 452 0.00  
                 
                 
    RIO ALAMO BASIN                
LAS BLANCAS                
25-Aug-08 8:00 84 84 88.520 67 43 0.80  
    RIO SAN JUAN BASIN                
EL CUCHILLO                
25-Aug-08 8:00 1123 1785 160.870 945 885 4.11  
MARTE GOMEZ                
25-Aug-08 8:00 830 995 72.340 343 320 0.00  
                 
  Contributions from Rio Alamo and Rio San Juan to the Rio Grande are allotted 100% to Mexico per 1944 Treaty
  article 4 (a)                
                 
  FOR MARTE GOMEZ-- Normal Conservation Capacity is at top of concrete spillway      
                                            Top of Flood Control Capacity is at top of one-meter high      
                                            wooden flash board installation at spillway        
                 
** Usable storage is an estimate of waters in storage which could be released through existing outlet works.