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.        
Previous Reports        
                     
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 WEB          
    METERS             CMS     MM LINK          
RG BELOW CABALLO DAM 19-Dec-23   0.03              
RG AT EL PASO 19-Dec-23 0.603 0.28   8364000          
RG BELOW AMERICAN DAM 19-Dec-23 1.136 0.04   8365000          
AMERICAN CANAL 19-Dec-23 0.212 0.71   8364500          
RG AT FORT QUITMAN 19-Dec-23 2.484 1.89   8370500          
RG ABOVE RIO CONCHOS 19-Dec-23 1.965 0.00   8371500          
RG BELOW RIO CONCHOS 19-Dec-23 0.484 0.36   8374200          
RG AT JOHNSON RANCH 19-Dec-23 0.872 0.29   8375000          
RG AT FOSTER RANCH 19-Dec-23 0.444 6.44   8377200          
PECOS NEAR LANGTRY 19-Dec-23 0.532 3.75   8447410          
DEVILS AT PAFFORD 19-Dec-23 0.663 3.63   8449400          
AMISTAD DAM                    
RG AT DEL RIO 19-Dec-23 0.425 10.79   8451800          
RG AT EAGLE PASS 19-Dec-23 0.895 21.80   8458000          
RG NEAR EL INDIO 19-Dec-23 1.859 27.25   8458700          
RG AT COLOMBIA                19-Dec-23 2.103 30.01   8458800          
RG AT LAREDO 19-Dec-23 0.534 26.89   8459000          
FALCON DAM                    
RG AT RIO GRANDE CTY 19-Dec-23 7.766 20.47   8464700          
RG BL ANZALDUAS DAM 19-Dec-23 23.770 13.25   8469200          
RG AT SAN BENITO 19-Dec-23 10.608 7.43   8473700          
RG AT BROWNSVILLE 19-Dec-23 1.398 1.12   8475000          
                     
ANZALDUAS SALINITY 19-Dec-23 31.530 800 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
19-Dec-23 0:00 2496 2496 1321.760 534 5        
          (21%)       0 1
CABALLO                    
19-Dec-23 0:00 280 403 1259.100 11 NR        
          (4%)       1 0
AMISTAD - 08450800                    
19-Dec-23 0:00 3980 6056 323.585 1095 0        
Requested 6:00 U.S. 15.00 CMS (28%)       0 0
Release   MEX. 3.00 CMS            
FALCON - 08461200                    
19-Dec-23 0:00 3289 3923 79.700 576 1        
Requested 6:00 U.S. 15.00 CMS (18%)       0 1
Release   MEX. 5.00 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                    
19-Dec-23 0:00 25,160 3569.98 8,517 -3        
LAKE MEAD                    
19-Dec-23 0:00 28,945 1066.81 8,948 9        
                     
                     
                     
MEXICAN RESERVOIRS      
(Storages in Million M3, Elevations in Meters, Releases in CMS)      
                     
Reservoir                     Date Normal Flood   Current      Spill Percent        
  Cons. Control Chg in Sto. Storage or of        
  Capacity Capacity     Release Cons.        
    RIO CONCHOS BASIN                    
SAN GABRIEL                    
12/19/23 0:00 245 377 -0.139 137.292 0.000 56%        
BOQUILLA                    
12/19/23 0:00 2894 3208 0.000 1110.587 1.300 38%        
F.I. MADERO                    
12/19/23 0:00 355 456 0.000 109.420 0.000 31%        
PICO DEL AGUILA                    
12/19/23 0:00 48 89 0.000 21.225 0.000 44%        
CHIHUAHUA                    
12/19/23 0:00 23 36 0.000 14.352 0.090 61%        
EL REJON                    
12/19/23 0:00 7 8 0.000 5.727 0.000 87%        
LUIS L. LEON                    
12/19/23 0:00 292 825 0.420 256.204 0.000 88%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
12/19/23 0:00 25 26 0.000 20.752 0.000 84%        
SAN MIGUEL                    
12/19/23 0:00 21 22 0.000 20.381 0.000 96%        
    RIO SAN RODRIGO BASIN                    
LA FRAGUA                    
12/19/23 0:00 47 85 0.000 31.660 0.000 67%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
12/19/23 0:00 874 1322 0.000 170.238 0.000 19%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
12/19/23 0:00 19 134 -0.038 8.536 0.220 45%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
12/19/23 0:00 1123 1784 0.000 495.820 5.643 44%        
MARTE GOMEZ                    
12/19/23 0:00 782 2209 1.031 456.287 0.000 58%        
                     
  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.