1


 BARS - Data current as of:05/31/09 18:00:12


                             B A S I N    A R E A
                      R E S E R V O I R    S U M M A R Y

                        for the end of  APRIL   2009


 BASIN AREA                  CURRENT   LAST YEAR     AVERAGE    CAPACITY
  RESERVOIR                  STORAGE    STORAGE      STORAGE    OF RESV.
------------------------------------------------------------------------------

 LAKE TAHOE BASIN                                                              
  LAKE TAHOE                  89.8       252.8       402.7       744.6   
 Total of  1 reservoirs       89.8       252.8       402.7       744.6  

 TRUCKEE RIVER BASIN                                                           
  BOCA RESERVOIR              26.2        23.6        30.0       40.87   
  PROSSER RESERVOIR           14.7        11.6        14.0       28.64   
  STAMPEDE RESERVOIR          96.9       142.7       146.3       226.5   
 Total of  3 reservoirs      137.8       177.9       190.3       296.0  

 CARSON RIVER BASIN                                                            
  LAHONTAN RESERVOIR         107.3       107.0       224.7       295.1   
 Total of  1 reservoirs      107.3       107.0       224.7       295.1  

 WALKER RIVER BASIN                                                            
  BRIDGEPORT RESERVOIR        15.0        18.9        26.7       42.46   
  TOPAZ RESERVOIR             19.0        15.1        43.8       59.44   
 Total of  2 reservoirs       34.0        34.0        70.5       101.9  

 LOWER COLORADO RIVER BASIN                                                    
  LAKE MOHAVE               1708.3      1639.3      1653.0      1810.0   
  LAKE MEAD                  11578       12452      21809.      26159.   
 Total of  2 reservoirs    13286.3     14091.3     23462.0     27969.0  

 SEVEN MAJOR RESERVOIRS                                                        
  BOCA RESERVOIR              26.2        23.6        30.0       40.87   
  LAKE TAHOE                  89.8       252.8       402.7       744.6   
  BRIDGEPORT RESERVOIR        15.0        18.9        26.7       42.46   
  LAHONTAN RESERVOIR         107.3       107.0       224.7       295.1   
  TOPAZ RESERVOIR             19.0        15.1        43.8       59.44   
  RYE PATCH RESERVOIR         32.0        51.8       118.4       194.3   
  WILDHORSE RESERVOIR         41.7        39.9        55.8        71.5   
 Total of  7 reservoirs      331.0       509.1       902.1      1448.3