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:.jC'IIH Jr;IJuJI,::a L"o C UIII/WOe k L: L<)C _ Januaey 28, 1983 :'<lgc 2 O.I:;e<.1 011 the most recent inCocmation ..v.li 1.1ble C,~_:n Lh(~ Dureau of Reclamation and the Del?artment of Agri~ulture, this can be achieved with iml?lement.ation of the following units: . Agriculture McElmo Creck, CO Lower Gunnison, CO Uinta Basin, U'r Upper Virgin River, U'r Palo Verde Valley, CA ni.'l S.lncly, Wy Moa~a Valle~, NV These units would need to be on line by the year 2010 in order to achieve their full salt removal concurrently .",ith the full iml?acts of Basin development. Reclamation 11cEtmo Creck, CO Lower Cunni~on, CO, SLa~c . Uinta Basin, U'r Saline Water Use (Glenwood & Big Sandy) The estimated costs of th~ individual I?rojects are based on data.obtained from the two feder<ll a~encies. The c~:;t o! the Bureau units is $733 million and the USDA est~nates a cost of ~3Sa million for the agricultural units, for a total . cost of $1.091 billion. Proposed Cost Sharinq Rather than attempt to u~velol? an annual esti~ate of construction expenditures for the periOd 1964 through :010, based on some hypothetical construction schedule, i~ ~~s assumed that the total $1.091 billion would be expenee: at a uniform rate of $40.4 million per year over the 27 yea: period. Under the up-front money alternative, $10.1 million an:-.ually would be required to meet the 2S percent non-federal s~are. In accordance with P.L. 93-320, the non-federal share ~ould be allocated between the Upper Colorado River Basin F~~d and the Lower Colorado River Dasin Develol?ment Fund wit.h 1: I?er- cent to be allocated tc the Ul?per Basin Fund and 85 pe:cent to the Lower Basin Fund. Using this split, the annual con- tributions from the UPl?er Basin and Lower Basin Funds would be Sl.5 million and S8.6 :nillion, cesl?v~tivv~y. The impact of the ~lternative requiring repay~enc with interest was coml?uted by using t.he federal planning in~erest rate of 7 7/8 I?crcent, which is somewllat lower than tta cur- rent long-t.erm federal interest. costs, since we did no~ have firm data on the current long-term interest costs. E~~n using this somewhat lower interest rat~, we found t~ac, after about 13 years, the annual repolYlllent sum including int-:::,est exceeded the amount of the annual up-front paym~nt. 7:.."~e higher rCl?ayrnents with intercst then continued for t;,e ;:n- suing 60 plus years, rather than terminating in the y~~r . .