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<br />
<br />each of these cities for the years 1990 and 1994 are presented in Table III.C.2-l. Included with
<br />the three unincorporated cities are residents of rural areas that receive water directly from the
<br />canal system, treating it as necessary. Table III.C.2-1 also delineates the gallons per capita per
<br />day (GPCD) for each of the incorporated cities and the unincorporated area for the years 1990
<br />and 1994. The population numbers were developed by IV AG and previously presented in Table
<br />III.B.2-1. Water delivery numbers were developed by Boyle Engineering during the On-Farm
<br />Irrigation Efficiencv study that was completed for the lID in August 1993. 1994 values are
<br />based on lID delivery records.
<br />
<br />Table III.C.2-1 Annual Water Delivered and Population Totalsfor 1990 -1994
<br />
<br />Cities/ 1990 1994
<br />Unincorporated Population AF/Yr GPCD Population AF/Yr GPCD
<br />Area
<br />Brawley 18,923 5,932 280 21,738 6,309 259
<br />Calexico 18,633 5,926 284 23,708 6,476 243
<br />Calipatria 2,690 1,862 618 7,228 2,920 361
<br />El Centro 31,384 8,228 234 36,717 8,733 212
<br />Holtville 4,820 2,124 393 5,576 1,716 275
<br />Imperial 4,113 1,816 394 6,121 2,218 323
<br />Westmorland 1,380 730 472 1,603 1,448 806
<br />Unincorporated 27,360 12,421 405 32,984 12,736 345
<br />Area (Heber,
<br />Niland, Seeley,
<br />Rural Farms)
<br />Total/Weighted 109,303 39,039 319 135,675 42,556 280
<br />Average
<br />
<br />Source: On-Farm Irrigation Efficiency, August 1993, Boyle Engineering Corporation
<br />Source: Population Numbers Developed by Imperial Valley Association of Govemments (IV AG)
<br />Gallons Per Capita Per Day (GPCD) = ((Acre-feet*325,850gaVacre-feet)/365 days/year)/Population
<br />
<br />Excluding agriculture, the primary industrial water uses outside the urban areas are the
<br />geothermal plants, Holly Sugar Corporation, chemical and fertilizer producers, one state prison
<br />(one existing state prison is served by a municipal water system), and the U.S. Naval Air Station.
<br />Table III.C.2-2 presents the total industrial water use outside the urban areas for the years 1987
<br />through 1994.
<br />
<br />Draft: Subject To Revision 12/21/95
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