U.S. Geological Survey

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


           Total offstream water 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
--------------------------------------------------------------------------------
                                            WITHDRAWALS, in Mgal/d
                        PER         (includes irrigation conveyance losses) 
                       CAPITA  -------------------------------------------------
          POPULATION,   USE,                  By source and type                
STATE      in thou-    fresh-   ------------------------------------------------
            sands      water,      Ground water              Surface water      
                      in gal/d  --------------------   -------------------------
                                Fresh  Saline  Total   Fresh    Saline    Total
--------------------------------------------------------------------------------
Colorado     3,294     3,850    2,770     30   2,800    9,910        0     9,910
Total      252,336     1,340   79,400  1,220  80,600  259,000   68,200   327,000

Part II -------------------------------------------------------------------------------- WITHDRAWALS, in Mgal/d (include irrigation conveyance losses) -------------------------------------- RECLAIMED CONVEY- CONSUMP- WASTE- ANCE TIVE USE, STATE Total WATER, LOSSES, fresh- in in water, ------------------------- Mgal/d Mgal/d in Mgal/d Fresh Saline Total -------------------------------------------------------------------------------- Colorado 12,700 30 12,700 3.7 2,990 5,250 Total 339,000 69,400 408,000 750 27,500 94,000

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