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<br /> <br />. ' , <br /> <br />o <br />(-) <br />~ <br />--1 <br />~ <br />-J Completion of all projects would eliminate 2.8 million tons of <br />salt annually from the Colorado River and its tributaries upstream of <br />Hoover Dam. Ap~ro~imatcly 22,000 acre~feet of water would be lost <br />eilch YCI1t. hUt 25 percent of the total annual projected nalt load of <br />1.1.4 million tOllS by year 2000 ut Hoover Dam would be removed. <br />Projects located in the Upper Basin would have !l capital cOSt of <br />approximately $230 million, and those in the Lower Basin approximately <br />$150 million. 1\bout 79 percent of the salt eliminated would be from <br />llourCt'/j in the tlll(lCr Badn and the remainder would be from sources in <br />the Lower Bas:ln he tween IJee l"erry and Hooller Dam. With all projects <br />completed, the reduction in salinity from prdjected values would <br />amount to about B60 ppm at Imperial Dam. <br />Navalo Generatin~ Station <br />One recent action that will result in a salinity control project <br />1.s in connection with the Navajo Generating Station. the huge therma1w <br />electric powct" plant which will be located m~ar Page, Arizona. This <br />project is in the design stage with completion of the first unit <br />scheduled for 1974. THe project include~ diversion of over 30,000 <br />acre~feet of water per year from Lake Powell for use in cooling <br />towers FIt the plnnt. In October 1970, the engineering consultants <br />"',~~hc ~~ ix pl1rticipFlnt S :l.n the j oint venture recl)mlnended the retutn <br />of hi.ljhly snUne blow~ water from the cooling towers to Lake <br /> <br />" <br />j <br /> <br />" <br /> <br />, <br /> <br />, <br /> <br />-"'-',.>", ',m'~l>t:r." ,....'~~.':'j, <br /> <br />~ ,-.. , <br /> <br />Powell. <br /> <br />., <br />..._-'~'..- - ......- <br />"'''''''--''-'' '''''''~''''I'I'-''''''''''.''. <br />The FWQA and the Colorado River Board recommended to the partlcw <br /> <br />iptants that blowdown water be handled so that the salts would not be <br /> <br />n.lllllll,iI to I-h,' cllln"n!lo IUVt~t: r:y"t"IlI. 'till? t>In't:l<;,tpants ~gr('l)d dod, <br /> <br />~10~ <br /> <br /> <br />---... <br /> <br />,-. ," <br />