Chapter 1: Summary of "The Law of the River"

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28 UPDATING THE HOOVER DAM DOCUMENTS United States similar to that constructed by Mexico on its side of the border. All of these measures President are i p on press as a result of the enactment In °add'tion,l�he Basin eplacemen of he reject stream the desalting June 24, 1974, 88 Stat. 266 plant a national obligation (approximately 40,000 acre -feet per year) similar to the national obligation to satisfy the Mexican Treaty obligation e the he Co a River hellaCanal lining during an pr i s the right Cal fo the United States to use water salvaged by the Co uld compensate for the overdeliveries to Mexico caused by the nia's water deliveries are reduced. This wo bypass of drainage waters. roblem, the Con - Although the A of the Saes,fauthorized salinity l control on programs programs upstream salinity from Imperial Dam. press, se the urging of the B These comprised the Paradox Valley Unit n Nevadan Pl anning repotrt b oth were to Col the Crystal expedited for four irrigar Unit in Utah; and the Las Vegas Wash U tion source control units, three poi Control Adv isory sory Council was created by the Act which would receive, as A Colorado River Basin Salinity would the President and Congress, the n bi enn i al rep trhereo t h e n and make Sec o d comment recommendations to the Secretary trol program. The Council would review and the Environmental Protection Agency. P.1 Operations Pursuant to Minute No. 242 During 1977 The IBWC report on operations under Minute u n 24977 the dlive to exico of 1,478,823 acre differential between Morelos with an average salinity of 943 p /rn for 1977. D p and Imperial Dam was 123 p /m, in accord with Minute No. 242. During 1977, 206,822 acre -feet of Wellton- Mohawk drainage water were discharged below Morelos Dam and other waters were substituted in making deliveries to Mexico. Also during 1977, 93,259 acre -feet of water were delivered across the land boundary at San Luis, Sonora, Mexico. This is less than 140,000 acre-feet d in prior ye ars ell field r eferre d 5 to in mile M inu t e of the Inter ational Mexico pumped 129,636 acre -feet du Boundary, a quantity less than the 160,000 acre-feet -limit provided in Minute No. 242 The Colorado River Basin Salinity Control Act is elaborated on in Chapter XIV.