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 18-Apr-19   0.00              
RG AT EL PASO 18-Apr-19 0.638 0.31              
RG BELOW AMERICAN DAM 18-Apr-19 1.470 0.69              
AMERICAN CANAL 18-Apr-19 0.000 0.00              
RG AT FORT QUITMAN 18-Apr-19 1.917 0.28              
RG ABOVE RIO CONCHOS 18-Apr-19 1.464 0.05              
RG BELOW RIO CONCHOS 18-Apr-19 0.689 4.01              
RG AT JOHNSON RANCH 18-Apr-19 1.314 5.46              
RG AT FOSTER RANCH 18-Apr-19 0.660 27.60              
PECOS NEAR LANGTRY 18-Apr-19 0.577 4.84              
DEVILS AT PAFFORD 18-Apr-19 0.792 9.03 1            
AMISTAD DAM                    
RG AT DEL RIO 18-Apr-19 1.050 208.00              
RG AT EAGLE PASS 18-Apr-19 2.094 238.00 3            
RG NEAR EL INDIO 18-Apr-19 2.557 266.00 1            
RG AT COLOMBIA                18-Apr-19 3.555 221.00              
RG AT LAREDO 18-Apr-19 1.834 201.00              
FALCON DAM                    
RG AT RIO GRANDE CTY 18-Apr-19 9.189 201.00              
RG BL ANZALDUAS DAM 18-Apr-19 24.700 48.60              
RG AT SAN BENITO 18-Apr-19 10.545 4.96              
RG AT BROWNSVILLE 18-Apr-19 0.752 3.09              
                     
ANZALDUAS SALINITY 18-Apr-19 31.820 620 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
18-Apr-19 0:00 2496 2496 NR NR          
          #VALUE!       #VALUE! #VALUE!
CABALLO                    
18-Apr-19 0:00 280 403 1262.110 38 0        
          (14%)       0 1
AMISTAD                    
18-Apr-19 0:00 4040 6181 332.930 2391 -12        
Requested 6:00 U.S. 20.00 CMS (59%)       0 0
Release   MEX. 203.00 CMS            
FALCON                    
18-Apr-19 0:00 3265 3883 83.730 1200 -1        
Requested 6:00 U.S. 40.00 CMS (37%)       0 0
Release   MEX. 173.00 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                    
18-Apr-19 0:00 24,322 3568.76 9,007 1        
LAKE MEAD                    
18-Apr-19 0:00 25,877 1089.38 10,804 -5        
                     
                     
                     
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                    
4/17/19 8:00 245 317 0.000 185.525 18.250 76%        
BOQUILLA                    
4/17/19 8:00 2894 3278 0.000 2118.535 46.300 73%        
F.I. MADERO                    
4/17/19 8:00 355 478 0.000 238.345 9.400 67%        
PICO DEL AGUILA                    
4/17/19 8:00 48 87 0.000 13.003 4.800 27%        
CHIHUAHUA                    
4/17/19 8:00 23 38 0.000 16.115 0.090 69%        
EL REJON                    
4/17/19 8:00 7 8 0.000 4.496 0.000 68%        
LUIS L. LEON                    
4/17/19 8:00 292 832 0.000 232.589 6.500 80%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
4/17/19 8:00 25 26 0.000 22.954 0.750 93%        
SAN MIGUEL                    
4/17/19 8:00 21 22 0.000 18.578 1.118 88%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
4/17/19 8:00 47 85 0.000 29.665 1.200 63%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
4/17/19 8:00 874 1322 0.000 711.995 5.057 81%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
4/17/19 8:00 84 134 0.000 51.077 0.400 61%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
4/17/19 8:00 1123 1784 0.000 854.069 5.261 76%        
MARTE GOMEZ                    
4/17/19 8:00 782 2304 0.000 553.718 60.000 71%        
                     
  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.