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 20-Nov-09   0.00          
RG AT EL PASO 20-Nov-09 0.980 0.96          
RG BELOW AMERICAN DAM 20-Nov-09 1.335 0.03          
AMERICAN CANAL 20-Nov-09 0.895 1.17          
RG AT FORT QUITMAN 20-Nov-09 1.830 3.76          
RG ABOVE RIO CONCHOS 20-Nov-09 1.505 2.86          
RG BELOW RIO CONCHOS 20-Nov-09 0.955 6.24          
RG AT JOHNSON RANCH 20-Nov-09 1.760 7.32 0        
RG AT FOSTER RANCH 20-Nov-09 0.575 14.40 8        
PECOS NEAR LANGTRY 20-Nov-09 0.575 4.75 24        
DEVILS AT PAFFORD 20-Nov-09 0.685 4.66 4        
AMISTAD DAM       1        
RG AT DEL RIO 20-Nov-09 0.550 25.00          
RG AT EAGLE PASS 20-Nov-09 1.010 33.00          
RG NEAR EL INDIO 20-Nov-09 1.895 31.30 1        
RG AT COLOMBIA                20-Nov-09 2.165 28.90          
RG AT LAREDO 20-Nov-09 0.605 23.40          
FALCON DAM                
RG AT RIO GRANDE CTY 20-Nov-09 8.020 39.40          
RG BL ANZALDUAS DAM 20-Nov-09 23.790 23.00 3        
RG AT SAN BENITO 20-Nov-09 10.660 7.48          
RG AT BROWNSVILLE 20-Nov-09 1.025 6.58          
                 
ANZALDUAS SALINITY 20-Nov-09 31.805 660 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                
20-Nov-09 0:00 2496 2496 1322.365 582 0    
CABALLO                
20-Nov-09 0:00 280 403 1261.590 33 0    
AMISTAD                
20-Nov-09 0:00 4040 6181 339.815 3875 0    
Requested 6:00 U.S. 20.00 CMS        
Release   MEX. 3.00 CMS        
FALCON                
20-Nov-09 0:00 3265 3883 87.730 2065 0    
Requested 6:00 U.S. 35.00 CMS        
Release   MEX. 3.00 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                
19-Nov-09 8:00 245 245 1776.810 224 216 0.00  
BOQUILLA                
19-Nov-09 8:00 2894 2903 1315.030 2563 2450 0.00  
F.I. MADERO                
19-Nov-09 8:00 355 355 1236.180 257 252 0.00  
PICO DEL AGUILA                
19-Nov-09 8:00 50 50 1612.490 30 26 0.00  
CHIHUAHUA                
19-Nov-09 8:00 26 26 1536.320 12 10 0.62  
EL REJON                
19-Nov-09 8:00 6 6 1474.290 4 4 0.00  
LUIS L. LEON                
19-Nov-09 8:00 292 832 1036.050 322 282 0.00  
    RIO SAN DIEGO BASIN                
CENTENARIO                
19-Nov-09 8:00 25 25 334.250 17 16 0.00  
SAN MIGUEL                
19-Nov-09 8:00 21 21 339.800 14 13 0.00  
    RIO SAN RODRIGO BASIN              
LA FRAGUA                
19-Nov-09 8:00 47 47 300.310 47 38 0.00  
    RIO SALADO BASIN                
VENUSTIANO CARRANZA                
19-Nov-09 8:00 1322 1322 260.040 1002 1002 0.00  
                 
                 
    RIO ALAMO BASIN                
LAS BLANCAS                
19-Nov-09 8:00 84 84 87.340 52 29 0.80  
    RIO SAN JUAN BASIN                
EL CUCHILLO                
19-Nov-09 8:00 1123 1784 162.130 1093 1033 3.93  
MARTE GOMEZ                
19-Nov-09 8:00 830 2308 74.980 632 609 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.