Revised Unaccounted-for-Water Calculation for Cal-Am System in Water Year 2002  
   
      Production   Delivery   Unaccounted-for-Water  
      (AF)   (AF)   (AF)   (%)  
   
  Original Report (2/19/2003) 14,611 12,634 1,977 14%  
   
  Corrections  
   
  Water West metered sales --- 144  
  Rancho Fiesta Mutual metered sales --- 11  
  Backwash --- 23  
  Non revenue metered --- 5  
  Non revenue unmetered --- 282  
  Irrigation water metered --- 4  
  Seaside Basin injection --- 310  
   
  Subtotal --- 779  
   
  Revised Report (5/13/2003) 14,611 13,413 1,198 8%  
                     
   
  Source: California-American Water Company, May 2003.