Division of                            SUMMARY OF SWP RESERVOIRS                Operations Control Office   
        Operations and Maintenance               FOR THE WEEK 07/14/08 THROUGH 07/20/08 
                                                            (in acre-feet)  

                                                                     This Week  
          OROVILLE COMPLEX                                    Maximum          Minimum            for             Total 
                                                                Day              Day            07/20/08         for Week   

        INFLOW TO LAKE OROVILLE                                 3,155              750             1,693           11,869   
        TOTAL RELEASES FROM HYATT POWERPLANT*                  12,955            6,876             9,061           69,389   
        SPILL                                                       0                0                 0                0   
        STORAGE                                             1,420,240        1,361,057         1,361,057            - - -   
        FLOOD CONTROL - AMOUNT OF ENCROACHMENT                      0                0                 0            - - -   
        RELEASES TO FEATHER RIVER (SUM OF RIVER 
                 OUTLET AND DIVERSION DAM RELEASES)             3,769            2,767             2,767           25,380   





                                                              This Year 
          RESERVOIR STORAGE         Operational        Maximum        Minimum     Average 1/       07/20/08     Net Change  
                                      Capacity         Storage        Storage       Storage         Reading      This Week  

        FRENCHMAN LAKE                   55,477         36,200         30,526         36,686         30,558           -480  
        LAKE DAVIS                       84,371         65,242         41,826         62,370         45,751           -603  
        ANTELOPE                         22,566         19,481         11,658         20,484         17,815           -260  
        LAKE OROVILLE                 3,521,797      1,781,717      1,227,133      2,655,164      1,361,057        -59,183  
        LAKE DEL VALLE                   39,914         42,094         29,417         38,816         40,354           -164  
        SAN LUIS RESERVOIR TOTAL      2,027,835**    1,776,149**      520,839**    1,003,699**      520,839**      -51,642**
               DWR                    1,062,180        923,338        432,301        614,392        432,301        -27,888  
               USBR                     965,655**      866,642**       88,538**      389,307**       88,538**      -23,754**
        PYRAMID LAKE                    169,901        169,192        133,667        161,471        166,350          3,603  
        CASTAIC LAKE                    319,247        312,308        262,024        279,112        297,825          4,534  
        SILVERWOOD                       73,032         74,065         68,809         67,749         71,159          1,696  
        LAKE PERRIS                     126,841         73,597         61,717        108,901         68,271            235  

        TOTAL                         5,475,326      3,497,234      2,299,078      4,045,145      2,531,441        -78,510  

       *INCLUDING ANY PUMPBACK. 
       **VALUES NOT INCLUDED IN TOTAL.                                                                    PRELIMINARY DATA  

     1/Average storage from 1979 to date.