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 6-Nov-09   0.00          
RG AT EL PASO 6-Nov-09 0.995 1.09          
RG BELOW AMERICAN DAM 6-Nov-09 1.375 0.08          
AMERICAN CANAL 6-Nov-09 0.920 1.02          
RG AT FORT QUITMAN 6-Nov-09 1.897 4.88          
RG ABOVE RIO CONCHOS 6-Nov-09 1.530 3.50          
RG BELOW RIO CONCHOS 6-Nov-09 1.015 9.51          
RG AT JOHNSON RANCH 6-Nov-09 1.905 17.50          
RG AT FOSTER RANCH 6-Nov-09 0.730 46.60          
PECOS NEAR LANGTRY 6-Nov-09 0.550 4.01          
DEVILS AT PAFFORD 6-Nov-09 0.670 4.27          
AMISTAD DAM                
RG AT DEL RIO 6-Nov-09 0.545 24.10          
RG AT EAGLE PASS 6-Nov-09 1.195 62.10          
RG NEAR EL INDIO 6-Nov-09 2.095 68.80          
RG AT COLOMBIA                6-Nov-09 2.440 55.30          
RG AT LAREDO 6-Nov-09 0.720 32.90          
FALCON DAM                
RG AT RIO GRANDE CTY 6-Nov-09 7.985 35.50          
RG BL ANZALDUAS DAM 6-Nov-09 23.700 21.60          
RG AT SAN BENITO 6-Nov-09 10.650 8.01          
RG AT BROWNSVILLE 6-Nov-09 0.995 6.38          
                 
ANZALDUAS SALINITY 6-Nov-09 31.645 770 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                
6-Nov-09 0:00 2496 2496 1322.065 566 1    
CABALLO                
6-Nov-09 0:00 280 403 1261.730 34 1    
AMISTAD                
6-Nov-09 0:00 4040 6181 339.860 3887 -1    
Requested 6:00 U.S. 50.00 CMS        
Release   MEX. 3.00 CMS        
FALCON                
6-Nov-09 0:00 3265 3883 87.750 2070 0    
Requested 6:00 U.S. 30.00 CMS        
Release   MEX. 5.00 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                
5-Nov-09 8:00 245 245 1776.810 224 216 0.00  
BOQUILLA                
5-Nov-09 8:00 2894 2903 1315.080 2571 2458 0.00  
F.I. MADERO                
5-Nov-09 8:00 355 355 1236.150 256 251 0.00  
PICO DEL AGUILA                
5-Nov-09 8:00 50 50 1612.350 30 25 0.00  
CHIHUAHUA                
5-Nov-09 8:00 26 26 1536.420 12 10 0.62  
EL REJON                
5-Nov-09 8:00 6 6 1474.380 4 4 0.00  
LUIS L. LEON                
5-Nov-09 8:00 292 832 1035.660 313 273 0.00  
    RIO SAN DIEGO BASIN                
CENTENARIO                
5-Nov-09 8:00 25 25 334.460 17 17 0.62  
SAN MIGUEL                
5-Nov-09 8:00 21 21 339.420 12 12 0.00  
    RIO SAN RODRIGO BASIN              
LA FRAGUA                
5-Nov-09 8:00 47 47 300.300 47 38 0.00  
    RIO SALADO BASIN                
VENUSTIANO CARRANZA                
5-Nov-09 8:00 1322 1322 260.110 1015 1015 0.00  
                 
                 
    RIO ALAMO BASIN                
LAS BLANCAS                
5-Nov-09 8:00 84 84 87.390 53 29 0.80  
    RIO SAN JUAN BASIN                
EL CUCHILLO                
5-Nov-09 8:00 1123 1784 162.140 1095 1035 4.68  
MARTE GOMEZ                
5-Nov-09 8:00 830 2308 74.980 632 609 4.00  
                 
  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.