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<br />liJ"l'133 <br />Summary of Watcr Rcsources in Mexico <br /> <br />. <br /> <br /> U.S. Deliveries at Southern International Boundary (SIB) <br /> 11990-2001) <br /> 140,000 I <br /> I .242WeIlF<eld <br /> C East Main Canal WW <br /> . Wes! MaIn Carlal WW <br /> 120.000 C Yllma MaIn Drain <br /> 100.000 <br />;; <br />. <br />1 80.000 <br />0 <br />... Vum.Maln fUI'lbln WntMaln US.2U U.S.D.llv.ry <br /><' y"". O,.in CanalWW C.n.IWW W,llfi.ld .'S18 <br />. <br />> 60,000 "'" 91,700 '.000 8,120 30,8012 132.662 <br />;; '''' '''00 6.620 7,2'0 31.17f, UJ,U6 <br />C 4 "'2 91,100 4,710 6,4.0 22,95<< 125.208 <br />,,; "" 93.100 8.160 5.130 6,4ft!. 113,47i <br />~ "'" 92,600 1,490 5.300 19.24, 124.722 <br /> '0.000 '''' """" '.300 5.920 12,4.7 116,'57 <br /> ,.. ""'" 1.T7D 5.00 6,~' 1l5,i99 <br /> '''' 98,400 "00 ,.- 4.~, 112.~ <br /> 20,000 ,.." 104,400 6,510 "'" 5. , 3~, 122.135 <br /> '''' l08.3CO "'" 6,150 3,96() 126.810 <br /> 2<>00 1\1,200 '.220 6.970 .2., 129,637 <br /> "'" 103900 3.780 ,.,., 2,261) 117,320 <br /> 0 <br /> "'" "" "" "" "" '"'' ''''' '"'' 1998 "" 2000 2"'" <br /> Year <br /> <br /> <br /> <br /> <br /> <br /> <br />Groundwater Productiull <br />. Groundwater is produced from 4~9 federally owned and operated wells and 236 privatdy <br />owned wdls (725 total) <br /> <br />. Groundwater is used to augment surface water supplies ddivered at the NIB. SIB. and <br />Limitrophe Division <br /> <br />. Sources of groundwater recharge to the Colorado River aquifer include underflow from the <br />U.S. ..eross the Iimitrophe .md SIB. seepage from the AAC, and recharge resulting from the <br />application of water for irrigation in Mexicali and San Luis Valleys (e.g. sccpage from <br />unlined canals, ditches, and drains; over-application of water un irrigated lands) <br /> <br />. Thc Rio Colorado Irrigation District has up to 727,000 acre feet of groundwater available <br />during llonJlal years when Mexico is delivered 1.500,000 acre-feet <br /> <br />. Private well owners extract an unspecified amount of groundwater, but irrigate <br />approximately 60,000 acres <br /> <br />. Estimates of groundwater production vary from 500,000 to I,OOO,DOO acre-feet per year. The <br />mugnitudc of groundwater productin!l appears to be related 10 the magnitude of Colorat!u <br />River water delivered .11 the intemational bnundury (i.e. high now years equates 10 Icss <br />groundwatcr production) <br /> <br />SNW^ Rcsourccs4/2.H12 <br />