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: 2025DEC17                                                                                        
                                                                        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)    (%)     (%)      
_______________________________________________________________________________________________________________________________   
 
 
   Big Horn River Basin
 BLR      BULL LAKE RESERVOIR ON BULL LAKE CREEK, WYOMING    5760.29     37289      76      37   44.71  115170    24      51        
 PBR      PILOT BUTTE OFFSTREAM, 22 MILES NW OF RIVERTON, WY 5455.00     29351       4       0    5.00    4370    87     110        
 BOYR     BOYSEN RESERVOIR, THERMOPOLIS, WYOMING             4711.96    520380     514     589   13.04  221214    70      93        
 ANCR     ANCHOR RESERVOIR, SOUTH FORK OWL CREEK, WYOMING    6364.29       593       4       0   76.71   16635     3     152        
 BBR      BUFFALO BILL RESERVOIR ON SHOSHONE RIVER, WYOMING  5355.94    374004     279     151   37.56  272561    57      84        
-------------------------------------------------------------------------------------------------------------------------------   
MONTANA AREA OFFICE
 
   Big Horn River
 BHR      BIGHORN LAKE, MONTANA                              3630.08    897169    1093    2041    9.92  123404    87     104        
 BHSX     BIGHORN RIVER BELOW BIA CANAL, MT                  3186.76                      2064                            99        
 
   Upper Missouri River Basin
 LIMR     LIMA RES UPSTREAM OF CLARK CANYON RES, MONTANA     6567.41     23801      12      13   20.59   61224    27   2025OCT27    
 CCR      CLARK CANYON RESERVOIR, BEAVERHEAD RVR NR DILLON,  5523.96     79818     236      35   22.14   94549    45      84        
 HEBR     HEBGEN LAKE NEAR WEST YELLOWSTONE, MONTANA         6529.14    315964     436     665    5.73   70217    81   2025DEC16    
 CFR      CANYON FERRY LAKE NEAR HELENA, MONTANA             3784.02   1465389    3866    2945   12.98  426499    77      95        
 
   Sun River Basin
 GIBR     GIBSON RESERVOIR, MONTANA                          4655.70     29119    1186     149   68.30   69568    29     170        
 PSHR     PISHKUN RESERVOIR NEAR AUGUSTA, MONTANA            4356.00     28161      -5       0   14.00   18533    60      97        
 WCR      WILLOW CREEK RESERVOIR, 6 MILES NW AUGUSTA, MONTAN 4112.88      4162      10       0   29.12   27686    13      17        
 
   Marias River Basin
 SWTR     SWIFT RESERVOIR, BIRCH CREEK, MONTANA              ******  NO DATA Within Lookback Period to 2025MAY31 ******             
 LER      LAKE ELWELL SPILLWAY TRANSDUCER, MONTANA           2980.51    716511    1660     255   12.49  209138    77      95        
 
   Milk River Basin
 SHER     LAKE SHERBURNE, SWIFT CURRENT CREEK NEAR BABB, MT  4783.30     58274     928     323    4.70    7873    88     199        
 FRR      FRESNO RESERVOIR NEAR HAVRE, MONTANA               2556.64     30852     101      40   18.36   60894    33      78        
 NELR     NELSON RESERVOIR AT DAM 10 MILES NW OF SACO, MT    2215.77     55988     -18       0    5.83   22962    70     102