G R E A T    P L A I N S    R E G I O N A L    O F F I C E                              
 
       Daily Reservoir Report for: 2026NOV06                                                                                        
                                                                        TOTAL   DAILY   DAILY   FEET   SPACE  PERCENT  HISTORIC   
                                                            ELEVATION  STORAGE  INFLOW  OUTFLO   TO   TO FILL   FULL  DAILY AVE   
 SITE            RESERVOIR NAME                              (feet)    (ac-ft)  (cfs)   (cfs)   FILL  (ac-ft)    (%)     (%)      
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   Big Horn River Basin
 BLR      BULL LAKE RESERVOIR ON BULL LAKE CREEK, WYOMING    5778.46     77520     805     680   26.54   74939    50     111        
 PBR      PILOT BUTTE OFFSTREAM, 22 MILES NW OF RIVERTON, WY 5453.40     28010       0       0    6.60    5711    83     107        
 BOYR     BOYSEN RESERVOIR, THERMOPOLIS, WYOMING             4713.02    535852    1161     416   11.98  205742    72      96        
 ANCR     ANCHOR RESERVOIR, SOUTH FORK OWL CREEK, WYOMING    6369.39       876      -1       0   71.61   16352     5     192        
 BBR      BUFFALO BILL RESERVOIR ON SHOSHONE RIVER, WYOMING  5359.23    395076     372     213   34.27  251489    61      90        
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MONTANA AREA OFFICE
 
   Big Horn River
 BHR      BIGHORN LAKE, MONTANA                              3626.44    865041    1773    1689   13.56  155532    84      97        
 BHSX     BIGHORN RIVER BELOW BIA CANAL, MT                  3189.49                      1591                           128        
 
   Upper Missouri River Basin
 LIMR     LIMA RES UPSTREAM OF CLARK CANYON RES, MONTANA     6568.11     25361      59      13   19.89   59664    29      99        
 CCR      CLARK CANYON RESERVOIR, BEAVERHEAD RVR NR DILLON,  5519.50     65788     190      26   26.60  108579    37      82        
 HEBR     HEBGEN LAKE NEAR WEST YELLOWSTONE, MONTANA         6529.97    325349     526     641    4.90   60832    84      98        
 CFR      CANYON FERRY LAKE NEAR HELENA, MONTANA             3785.38   1507022    3130    2978   11.62  384866    79      97        
 
   Sun River Basin
 GIBR     GIBSON RESERVOIR, MONTANA                          4609.92      5416     215     230  114.08   93271     5      42        
 PSHR     PISHKUN RESERVOIR NEAR AUGUSTA, MONTANA            4349.24     21725       0       0   20.76   24969    46      76        
 WCR      WILLOW CREEK RESERVOIR, 6 MILES NW AUGUSTA, MONTAN 4131.96     18875      62       0   10.04   12973    59      96        
 
   Marias River Basin
 SWTR     SWIFT RESERVOIR, BIRCH CREEK, MONTANA              ******  NO DATA Within Lookback Period to 2026APR20 ******             
 LER      LAKE ELWELL SPILLWAY TRANSDUCER, MONTANA           2986.80    812753     269     514    6.20  112896    87     105        
 
   Milk River Basin
 SHER     LAKE SHERBURNE, SWIFT CURRENT CREEK NEAR BABB, MT  4747.15     14287     167       0   40.85   51860    21      63        
 FRR      FRESNO RESERVOIR NEAR HAVRE, MONTANA               2567.23     56933      44      44    7.77   34813    62     138        
 NELR     NELSON RESERVOIR AT DAM 10 MILES NW OF SACO, MT    2215.70     55737     -54       0    5.90   23213    70      95