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Coachella Canal Lining Until the desalting complex becomes operational, the United States will not receive treaty credit for the Well ton. Mohawk drainage water which is now being diverled around Morelos Dam into the Gulf. Water stored in upstream reservoirs of the Colorado River is now being used and will continue to be used during the construction period to help meet treaty requirements. A portion of this loss will be recovered by replacing the first 49 miles of the Coachella Canal with a concrete-lined canal. An annual savings of almost 132,000 acre. feet of water, currently being lost through seepage, will result from the lining project. California will eventually benefit from the salvaged Coachella water, after the desalting complex is in operation. Ground Water Pumping The third phase of Title I legislation establishes a protective and regulatory ground.water pumping program for a strip of land along the border in the vicinity of San Luis. Each country will limit pumping to no more than 160,000 acre.feet annually from a designated area extending 5 miles from each side 01 the Arizona-Sonora boundary. The United States will be able to supply from its share of the ground water most of the 140,000 acre. feet historically delivered as treaty water to Mexico across the Arizona.Sonora border. Much of this United States water is now being lost to Mexico in underground flow. A smaller portion of the pumped water will be available to Arizonans for agricultural and other uses. Imperial 0.1'11 .nd Re...rvoir. . ..------. ^ . - ..... . .......It.. ~........~' '" ./' , l ... '. . . . .~ .- - .. . . . . '. ~ . -. , .. ,. \ . . - . , . .I" - - . ,-. . . ~. " I . i 11 -. II "' ..,. - .C' ---- . '-,~J - ~ -. 'S/:' .--" . ..... ........ .; . . ._...~- ;- ,~~._- ~ "- .. -- J...nction 01 AIl.Amerlc:.n C.n.1 with Co.chella Canal. .- " fl - - '" - .~ .r '" Arti.r.concepl_'I'...m.D....UlngPl.nl. =': '~-J