| 
            
             Table 5-2 Summary of water use in major
              irrigation areas in the Tucson AMA.    | 
           
         
        
          
            | 
            
             IRRIGATION AREA    | 
            
            
             IRRIGATED ACREAGE    | 
            
            
             1987-1995 AVERAGE WATER USE (acre-feet)
               | 
            
            
             WATER SOURCES    | 
           
          
            | 
            
             Cortaro Marana Irrigation District  
             | 
            
            
             10,543    | 
            
            
             33,439    | 
            
            
             Groundwater, CAP, Effluent    | 
           
          
            | 
            
             Avra Valley Irrigation District    | 
            
            
             11,360    | 
            
            
             26,240    | 
            
            
             Groundwater, CAP    | 
           
          
            | 
            
             Farmers Investment Co.     | 
            
            
             5,909    | 
            
            
             28,026    | 
            
            
             Groundwater    | 
           
          
            | 
            
             Red Rock Area    | 
            
            
             3,843    | 
            
            
             n/a    | 
            
            
             Groundwater, CAP    | 
           
         
        
          
            | 
            
             Source: Arizona Department of
              Water Resources, Draft Third Management Plan, Tucson Active
              Management Area, 1998.    | 
           
          |