U.S. Geological Survey

Estimated use of water in the United States in 1990.
Irrigation Water Use


        Irrigation water use by Colorado and the nation, 1990
    [Figures may not add to totals because of independent rounding]

                              Part I
------------------------------------------------------------------------
                                      THOUSAND ACRE-FEET PER YEAR    
                             -------------------------------------------
           IRRIGATED LAND                                               
            BY TYPE, in      Withdrawals, by source                     
STATE      thousand acres    ----------------------   Reclaimed  Convey-
           --------------      Freshwater      Total   waste-     ance  
                            ----------------           water     losses 
           Spray    Flood   Ground   Surface                            
------------------------------------------------------------------------
Colorado     897    2,660    2,870    10,100   13,000     4.2     3,350  
Total     22,800   34,600   57,200    95,900  153,000   740      30,800  

Part II ------------------------------------------------------------------------ THOUSAND ACRE- FEET PER YEAR MILLION GALLONS PER DAY -------------- -------------------------------------------- Consump- Consump- Withdrawals, by source tive STATE tive use, ------------------------- Convey- use, fresh- Freshwater Total ance fresh water ---------------- losses water Ground Surface ----------------------------------------------------------------------- Colorado 5,560 2,560 9,000 11,600 2,990 4,960 Total 85,400 51,000 85,500 137,000 27,500 76,200

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