End-of-Month Reservoir Contents for December, 2009

                                                         DEC
                                            -----------------------------
                                  ACTIVE             % OF            % OF
          STATION - CODE         CAPACITY    2010  CAPACITY   AVG     AVG
    ---------------------------   ------    ------    ---   ------    ---
    HGH-AF-HUNGRY HORSE DAM & R  2981.20   2447.79H    82  2139.09    114
    CMO-AF-COMO DAM AND LAKE ON    35.10      9.20V    26     8.79    105
                                                                                
    Yakima River Basin                                                          
    CLE-AF-CLE ELUM LAKE, WA      436.90    144.99O    33   230.20R    63
    KAC-AF-KACHESS LAKE, WA       239.00    129.82O    54   159.10     82
    KEE-AF-KEECHELUS LAKE, WA     157.80     69.82O    44    83.00     84
    RIM-AF-TIETON DAM & RIMROCK   198.00     75.45O    38   102.10     74
    BUM-AF-BUMPING LAKE, WA        33.70     12.87O    38     6.20R   208
                                                                                
    Columbia Basin                                                              
    GCL-AF-GRAND COULEE DAM & F  5185.45   4656.33V    90  4547.90    102
    BNK-AF-BANKS LAKE NR GRAND    715.00    652.42V    91   592.58    110
    POT-AF-O'SULLIVAN DAM & POT   332.20      ****    ***   208.01    ***
                                                                                
    Okanogan River Basin                                                        
    CCR-AF-CONCONULLY DAM & RES    13.00      ****    ***     6.36    ***
    CCL-AF-SALMON LK DAM & CONC    10.50      ****    ***     8.16    ***
                                                                                
    Snake River Basin                                                           
    JCK-AF-JACKSON LAKE NEAR MO   847.00    628.69V    74   470.20    134
    PAL-AF-PALISADES RESERVOIR   1200.00    866.29V    72   835.62    104
    ISL-AF-ISLAND PARK RESERVOI   135.20    108.59V    80    89.37    122
    GRS-AF-GRASSY LAKE NR MORAN    15.20     12.46V    82    10.47    119
    RIR-AF-RIRIE RESERVOIR NEAR    80.50     38.10V    47    31.60E   121
    AMF-AF-AMERICAN FALLS RES A  1672.60   1204.17V    72   969.47    124
    MIN-AF-MINIDOKA DAM & LAKE     95.20     37.57V    39    47.55     79
    WOD-AF-LITTLE WOOD RESERVOI    30.00     18.69V    62    13.32    140
                                                                                
    Boise River Basin                                                           
    AND-AF-ANDERSON RANCH RES A   413.10    266.13V    64   265.51    100
    ARK-AF-ARROWROCK RESERVOIR    272.20    164.73V    61   184.27     89
    LUC-AF-LUCKY PEAK LAKE NEAR   264.40     50.00V    19    57.63     87
    LOW-AF-LAKE LOWELL, ID        159.37    114.51V    72   109.94    104
                                                                                
    Payette River Basin                                                         
    CSC-AF-CASCADE RESERVOIR AT   646.46    383.27V    59   370.33    103
    DED-AF-DEADWOOD RESERVOIR N   161.90     92.62V    57    73.48    126
                                                                                
    Weiser River Basin                                                          
    MAN-AF-MANN CR DAM & RES ON    11.10      0.92V     8     3.54E    26
                                                                                
    Clearwater River Basin                                                      
    RES-AF-LEWISTON ORCHARDS RE     3.00      0.97V    32     1.41E    69
    SOL-AF-SOLDIERS MEADOW DAM,     2.37      0.76V    32     0.61E   125
    WAH-AF-WAH                 
                                                                                
    Owyhee River Basin                                                          
    OWY-AF-LAKE OWYHEE NEAR NYS   715.00    159.92V    22   401.65     40
    WLD-AF-WILDHORSE RESERVOIR     71.50     27.45V    38    30.45     90
                                                                                
    Malheur River Basin                                                         
    BEU-AF-AGENCY VALLEY DAM &     59.90      8.61V    14    19.92     43
    BUL-AF-BULLY CREEK RESERVOI    30.00      4.35V    14    10.70E    41
    WAR-AF-WARM SPRINGS RESERVO   191.00     10.00B     5    74.28     13
                                                                                
    Powder River Basin                                                          
    PHL-AF-MASON DAM & PHILLIPS    73.50     38.66V    53    36.63E   106
    THF-AF-THIEF VALLEY RESERVO    17.40     13.58V    78    14.99E    91
                                                                                
    Burnt River Basin                                                           
    UNY-AF-UNITY RESERVOIR NEAR    25.20      6.53V    26     9.99     65
                                                                                
    Umatilla River Basin                                                        
    MCK-AF-MCKAY RESERVOIR NR P    66.26      8.71V    13    20.85     42
    CLS-AF-COLD SPRINGS DAM & R    38.33      1.69V     4    17.16     10
                                                                                
    Deschutes River Basin                                                       
    CRA-AF-CRANE PRAIRIE DAM &     55.30     35.25V    64    37.35     94
    CRE-AF-CRESCENT LK DAM & LK    86.90     64.92V    75    47.78    136
    WIC-AF-WICKIUP DAM & RES ON   200.00    158.56V    79   134.95    117
    OCH-AF-OCHOCO DAM & RES ON     45.24     15.81V    35    20.14     79
    PRV-AF-ARTHUR R BOWMAN DAM    152.80     87.57V    57    91.20     96
    HAY-AF-HAYSTACK DAM & RES O     5.64      4.74V    84     4.68E   101
    WAS-AF-WASCO DAM & CLEAR LA    11.90      2.86V    24     4.50     63
                                                                                
    Rogue River Basin                                                           
    AGA-AF-AGATE DAM AND RES ON     4.70      0.94V    20     2.51E    37
    EMI-AF-EMIGRANT DAM & LK ON    39.00     14.04V    36    18.12     77
    FIS-AF-FISH LK NR LAKE CR,      7.90      4.93V    62     5.07E    97
    FOR-AF-FOURMILE LAKE, OR       15.60      7.80V    50     7.98E    98
    HPD-AF-HOWARD PRAIRIE DAM &    60.60     41.37V    68    40.47E   102
    HYA-AF-HYATT DAM & RES NR A    16.00     12.00V    75    10.34E   116
                                                                                
    Tualatin River Basin                                                        
    SCO-AF-SCOGGINS DAM AND HEN    53.60     33.52V    63    26.79E   125
                                                                                
                                  ------    ------    ---   ------    ---
      TOTAL OF 50 RESERVOIRS    18035.01  12951.00     72 12491.78    104
                                                                                
    AF is acre-feet.
    AVG is published 30-year average, 1961-1990.
    Please note that all data are PROVISIONAL and subject to revision.
    This report is updated monthly, after the 10th of each month.