U.S. Geological Survey

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



                                           Table 15.  Irrigation water use by water-resources region, 1990
                                              [Figures may not add to totals because of independent rounding]
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                                                    THOUSAND ACRE-FEET PER YEAR                              MILLION GALLONS PER DAY
                                        --------------------------------------------------------   ------------------------------------------------
                      IRRIGATED LAND                                                                                                      Consump-
                       BY TYPE, in       Withdrawals, by source                         Consump-    Withdrawals, by source                  tive
  REGION              thousand acres    -----------------------   Reclaimed   Convey-   tive use, ---------------------------    Convey-     use,
                      --------------      Freshwater      Total     waste-     ance      fresh-       Freshwater        Total     ance      fresh
                                       ----------------             water     losses      water   ------------------             losses     water
                      Spray    Flood   Ground   Surface                                            Ground    Surface
---------------------------------------------------------------------------------------------------------------------------------------------------
New England              49      12        9.9     124       134      0.0        0.0        134         8.8     111       120        0.0      120
Mid Atlantic            347       3.6    114       106       221      0          2.8        188       102        95       197        2.5      168
South Atlantic-Gulf   2,660   1,140    2,580     2,420     4,990    264         76        3,570     2,300     2,160     4,450       68      3,180
Great Lakes             537        .9    148       177       325      0          0          308       132       158       290        0        274
Ohio                    166        .5     31        45        76       .3         .6         67        28        40        68         .5       59

Tennessee 31 .1 4.2 26 30 .4 0 21 3.8 23 27 0 19 Upper Mississippi 838 11 397 42 440 .1 .1 408 354 38 392 .1 364 Lower Mississippi 977 3,800 6,990 1,290 8,280 .8 672 6,160 6,230 1,150 7,380 600 5,490 Souris-Red-Rainy 98 22 63 47 110 0 1.2 98 56 42 98 1.1 87 Missouri Basin 4,880 7,950 8,070 19,700 27,800 3.4 10,100 12,300 7,200 17,600 24,800 9,010 10,900

Arkansas-White-Red 2,270 3,520 7,400 2,010 9,410 10 891 7,750 6,600 1,790 8,390 794 6,910 Texas-Gulf 1,710 2,680 4,450 1,270 5,720 34 383 4,820 3,970 1,130 5,100 342 4,300 Rio Grande 354 1,030 1,810 4,120 5,930 .7 1,200 3,570 1,620 3,670 5,290 1,070 3,180 Upper Colorado 233 1,330 36 7,350 7,390 .5 1,790 2,510 32 6,560 6,590 1,600 2,240 Lower Colorado 427 1,100 2,510 4,280 6,800 205 1,210 4,560 2,240 3,820 6,060 1,080 4,070

Great Basin 570 1,370 1,580 5,480 7,060 58 1,530 3,490 1,410 4,890 6,300 1,360 3,110 Pacific Northwest 4,210 3,280 8,800 26,800 35,600 12 10,800 13,100 7,850 23,900 31,800 9,670 11,700 California 2,310 7,300 11,900 19,800 31,700 143 1,960 21,700 10,600 17,700 28,300 1,750 19,400 Alaska 1.4 0 .1 .5 .6 0 .1 .3 .1 .5 .6 .1 .3 Hawaii 115 12 224 622 846 6.9 143 586 200 555 755 127 523 Caribbean 21 14 60 97 157 0 19 102 54 87 140 17 91 ------------------------------------------------------------------------------------------------------------------------------ Total 22,800 34,600 57,200 95,900 153,000 740 30,800 85,400 51,000 85,500 137,000 27,500 76,200 ---------------------------------------------------------------------------------------------------------------------------------------------------


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Last modified: 2/15/95