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<br /> <br />.... <br />co <br /><:) <br /><:) <br /> <br />Mexican Water Treaty--National benefits are associated with <br /> <br />discharging the Federal obligation of the Mexican Water Treaty. <br /> <br />Because of the difficulties of measuring the intangible values <br /> <br />. <br /> <br />involved, it has been assumed that the benefits of meeting the <br /> <br />terms of this international agreement, as a minimum, are equal to <br /> <br />the costs of an augmentation plan sized to deliver 1.8 m.a.f. <br /> <br />annually to the river. Therefore, an average annual equivalent <br /> <br />benefit of $120.8 million has been claimed for this function. <br /> <br />Additional Water Use in the United States--The augmentation <br /> <br />plan will make available an additional 200,000 acre-feet of water <br /> <br />for uSe in the Lower Basin within the United States over the amount <br /> <br />required to provide water to Mexico. <br />The average annual benefit value, of about $74 per acre-foot, <br /> <br />discounted f07 staged deliveries results in total annual equivalent <br /> <br />benefits of about $11.8 million. <br /> <br />Water Quality--The benefits associated with water quality <br /> <br />improvements have not been evaluated in this preliminary study but <br /> <br />should prove to be significant. <br /> <br />Increased Hydroelectric PQwer Generation--Increased generation <br /> <br />at Hoover and Davis powerplants will result in increased power <br /> <br />sales averaging some $3 million annually in increased revenues. <br /> <br />Total Annual BenefitsuTotal annual benefits evaluated above <br /> <br />amount to $135.6 million. <br /> <br />, <br /> <br />Benefit-Cost Ratio <br /> <br />Utilizing the benefits which were evaluated above, and <br /> <br />exeluding any benefit from improved water quality, the pfl)ject <br /> <br />33 <br />