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 22-Feb-18   0.00              
RG AT EL PASO 22-Feb-18 0.593 0.29              
RG BELOW AMERICAN DAM 22-Feb-18 1.460 0.69              
AMERICAN CANAL 22-Feb-18 0.000 0.00              
RG AT FORT QUITMAN 22-Feb-18 2.381 0.80              
RG ABOVE RIO CONCHOS 22-Feb-18 N/A N/A              
RG BELOW RIO CONCHOS 22-Feb-18 0.665 2.46              
RG AT JOHNSON RANCH 22-Feb-18 1.290 5.76              
RG AT FOSTER RANCH 22-Feb-18 0.529 11.80              
PECOS NEAR LANGTRY 22-Feb-18 0.525 3.07              
DEVILS AT PAFFORD 22-Feb-18 0.650 4.01              
AMISTAD DAM                    
RG AT DEL RIO 22-Feb-18 0.488 15.70              
RG AT EAGLE PASS 22-Feb-18 0.942 26.50              
RG NEAR EL INDIO 22-Feb-18 1.955 42.90              
RG AT COLOMBIA                22-Feb-18 2.199 34.80              
RG AT LAREDO 22-Feb-18 0.677 31.50              
FALCON DAM                    
RG AT RIO GRANDE CTY 22-Feb-18 8.077 44.40              
RG BL ANZALDUAS DAM 22-Feb-18 25.540 34.00              
RG AT SAN BENITO 22-Feb-18 10.683 10.70              
RG AT BROWNSVILLE 22-Feb-18 0.863 5.65              
                     
ANZALDUAS SALINITY 22-Feb-18 31.760 700 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
22-Feb-18 00:00 2496 2496 1322.665 597 1        
          (24%)       0 1
CABALLO                    
22-Feb-18 00:00 280 403 1262.845 47 0        
          (17%)       0 1
AMISTAD                    
22-Feb-18 00:00 4040 6181 333.460 2487 1        
Requested 06:00 U.S. 20.00 CMS (62%)       0 0
Release   MEX. 3.00 CMS            
FALCON                    
22-Feb-18 00:00 3265 3883 86.400 1744 3        
Requested 06:00 U.S. 30.00 CMS (53%)       0 0
Release   MEX. 10.00 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                    
22-Feb-18 00:00 24,322 3616.86 13,433 -13        
LAKE MEAD                    
22-Feb-18 00:00 25,877 1088.01 10,686 -2        
                     
                     
                     
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                    
2/22/18 8:00 245 317 1777.770 242.797 0.300 99%        
BOQUILLA                    
2/22/18 8:00 2894 3278 1315.880 2702.392 0.000 93%        
F.I. MADERO                    
2/22/18 8:00 355 478 1239.240 353.184 0.000 99%        
PICO DEL AGUILA                    
2/22/18 8:00 51 87 1615.510 43.822 3.200 86%        
CHIHUAHUA                    
2/22/18 8:00 26 38 1539.770 20.360 0.090 79%        
EL REJON                    
2/22/18 8:00 7 8 1476.040 5.719 0.000 87%        
LUIS L. LEON                    
2/22/18 8:00 292 832 1033.320 260.160 3.000 89%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
2/22/18 8:00 25 26 336.100 24.345 0.000 99%        
SAN MIGUEL                    
2/22/18 8:00 21 22 341.560 20.335 0.000 99%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
2/22/18 8:00 47 85 299.870 43.846 1.000 93%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
2/22/18 8:00 1313 1322 258.890 819.958 4.592 62%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
2/22/18 8:00 84 134 83.190 17.977 0.300 21%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
2/22/18 8:00 1123 1784 159.670 812.420 6.754 72%        
MARTE GOMEZ                    
2/22/18 8:00 782 2304 75.140 627.695 0.000 80%        
                     
  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.