U.S. Geological Survey

Estimated use of water in the United States in 1990.
Public-Supply Freshwater Use

  Public-supply freshwater use by Colorado and the nation, 1990
  [Figures may not add to totals because of independent rounding.  
    Mgal/d = million gallons per day; gal/d = gallons per day]

                             Part I
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                POPULATION SERVED,        WATER WITHDRAWALS,       
                   in thousands               in Mgal/d            
           ------------------------   ----------------------   PER  
STATE           Source                      Source            CAPITA
           ---------------           ---------------           USE, 
           Ground  Surface   Total   Ground  Surface  Total     in   
            water   water             water   water            gal/d 
--------------------------------------------------------------------
Colorado      422    2,620    3,050      83     567     650    213  
Total      88,000  122,000  210,000  15,100  23,500  38,500    184  

                             Part II
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                      WATER DELIVERIES, BY   
                     TYPE OF USE, in Mgal/d
           -----------------------------------   PUBLIC
STATE                                           USE AND
                                      Thermo-    LOSSES
                     Commer-  Indus-  electric
           Domestic   cial    trial    power   
-------------------------------------------------------
Colorado       441      108      21      13         68
Total       21,900    5,900   5,190      80      5,460