U.S. Geological Survey

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


                                    Table 1.  Total offstream water use by water-resources region, 1990
[Figures may not add to totals because of independent rounding.  Mgal/d = million gallons per day; gal/d = gallons per day]
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                                                                 WITHDRAWALS, in Mgal/d
                               PER                     (includes irrigation conveyance losses)
                              CAPITA   --------------------------------------------------------------------------- RECLAIMED CONVEY- CONSUMP-
                  POPULATION,  USE,                     By source and type                                           WASTE-   ANCE   TIVE USE,
   REGION          in thou-   fresh-   ------------------------------------------------            Total             WATER,  LOSSES, fresh-
                    sands     water,       Ground water            Surface water                                      in       in    water,
                             in gal/d  --------------------    ------------------------   ------------------------  Mgal/d   Mgal/d in Mgal/d
                                       Fresh   Saline Total    Fresh    Saline   Total     Fresh   Saline   Total
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New England          12,797     370      694     0.0    694     4,040   9,160    13,200    4,730   9,160    13,900     0.0      0.0     409
Mid Atlantic         41,541     508    2,640     1.2  2,640    18,500  26,500    44,900   21,100  26,500    47,600    63        2.5   1,260
South Atlantic-Gulf  34,732     962    7,110     9.1  7,120    26,300  10,800    37,100   33,400  10,800    44,200   236       68     5,140
Great Lakes          21,405   1,510    1,210     4.9  1,220    31,200       6.5  31,200   32,400      11    32,400     0        0     1,640
Ohio                 21,882   1,390    2,650    22    2,670    27,800        .6  27,800   30,400      22    30,500      .3       .5   2,110

Tennessee 3,911 2,350 305 0 305 8,900 0 8,900 9,200 0 9,200 .4 0 321 Upper Mississippi 21,270 977 2,620 4.2 2,630 18,200 0 18,200 20,800 4.2 20,800 0 .1 1,960 Lower Mississippi 7,167 2,510 8,340 . 8,340 9,630 1,120 10,800 18,000 1,120 19,100 .7 600 6,970 Souris-Red-Rainy 672 439 130 0 130 166 0 166 295 0 295 0 1.1 144 Missouri Basin 10,048 3,730 8,490 37 8,530 29,000 0 29,000 37,500 37 37,500 3.0 9,010 12,100

Arkansas-White-Red 8,250 1,870 7,420 291 7,710 7,990 0 7,990 15,400 291 15,700 11 794 7,870 Texas-Gulf 15,239 886 5,480 400 5,880 8,020 4,610 12,600 13,500 5,010 18,500 50 342 5,910 Rio Grande 2,229 2,690 2,140 39 2,180 3,850 0 3,850 6,000 39 6,030 1.1 1,070 3,460 Upper Colorado 625 11,300 127 28 155 6,950 0 6,950 7,080 28 7,110 .4 1,600 2,480 Lower Colorado 4,747 1,630 3,080 .6 3,080 4,670 .6 4,670 7,750 1.2 7,750 185 1,080 5,000

Great Basin 2,182 3,300 1,970 19 1,990 5,230 93 5,320 7,200 112 7,310 51 1,360 3,440 Pacific Northwest 8,912 4,070 9,780 0 9,780 26,500 36 26,500 36,300 36 36,300 12 9,670 12,100 California 29,442 1,200 14,400 310 14,700 21,000 11,400 32,400 35,400 11,700 47,200 128 1,750 20,800 Alaska 550 517 64 48 112 221 308 529 284 357 641 0 .1 26 Hawaii 1,108 1,070 589 .6 590 600 1,550 2,150 1,190 1,550 2,740 6.2 127 627 Caribbean 3,624 161 159 1.2 160 426 2,620 3,040 585 2,620 3,200 0 17 200 ------------------------------------------------------------------------------------------------------------------------- Total 252,336 1,340 79,400 1,220 80,600 259,000 68,200 327,000 339,000 69,400 408,000 750 27,500 94,000 ---------------------------------------------------------------------------------------------------------------------------------------------


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Last modified: 3/20/96