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<br />. <br /> <br />A change in the political administration of Mexico and deliberation between the two <br />Governments on proposals to succeed Mil/ute No. 218 had resulted in its 2-year extension, <br />but early in 1972, Mexico requested a prompt, permanent settlement. On June 17, 1972, <br />the President of the United States indicated he would designate a special representative <br />to develop a solution and to submit a report to him which, once approved by the United <br />States Government, would be submitted to Mexico for consideration and approval. <br />The two Governments, in order to effect an immediate improvement in the quality <br />of water delivered to Mexico above Morelos Dam, approved a new minute, Minute No. <br />241 112] of the International Boundary and Water Commission, signed July 14, 1972. <br />It provided for the bypass of 118,000 acre-feet of Well ton-Mohawk drainage water annually <br />without charge against the Treaty (more than twice the rate of the United States bypass <br />under Mil/lite No. 218), and its replacement by other water primarily from above Imperial <br />Dam, but also from wells on the Yuma Mesa. The operations under Minute No. 241 reduced <br />the average annual salinity of water available to Mexico at the Northerly International <br />Boundary to 1,140 plm in 1973. However, Mexico again requested the United States to <br />bypass additional Wellton-Mohawk drainage without replacement. All of the drainage water <br />from the Division was consequently bypassed to the Colorado Fiver below V1orelos Dam. <br />The additional bypass amounted to about 100.000 acre-feet annually. These operations <br />reduced the salinity of water delivered to Mexico at the Northerly International Boundary <br />from 1,160 plm in 197\ to less than 1,000 plm for the year ending June 30, 1973. <br />On August 30, 1973, the joint recommendations of the special representative <br />designated by President Nixon, Herbert Brownell, Jr.. and the Secretary of Foreign <br />Relations of Mexico, Lic. Emilio O. Rabasa, were approved by their respective Presidents, <br />and formally approved by the two Governments, and incorporated into Minute No. 242 <br />[14] of the International Boundary and Water Commission (terminating the life of Minute <br />No. 241). <br />Minute No. 242, in effect to date, provides that the approximately 1,360,000 acre-feet <br />of the Treaty water annually delivered to Mexico upstream of Morelos Dam have an annual <br />average salinity of no more than 115.:!:. 30 plm over the annual average salinity of Colorado <br />River water arriving at Imperial Dam. It further provides for the delivery to Mexico on <br /> <br />. <br /> <br />. <br /> <br />4 <br />