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<br />~~ <br /> <br />proiect Costs (Estimated), Cont'd. <br /> <br />Water allocations (Colorado) <br /> <br />Irrigation <br /> <br />Total <br /> <br />138,900 a.f. <br />62,700 a.f. <br />201,600 a.f. <br />112,300 a.f. <br />6 to 10 ppm <br />1.59 to 1 <br />0.99 to 1 <br /> <br />Municipal and industrial <br /> <br />Annual depletions of the Colorado River (Colorado) <br /> <br />Annual salinity contribution to Colorado River <br /> <br />Benefit-cost ratio (3 1/4%) <br /> <br />Benefit-cost ratio (5 1/2%) <br /> <br />Environmental Impact <br /> <br />Advance plans are under way to alter the feasibility plan to <br />eliminate Howardsvi11e Reservoir and the Animas Diversion Canal, both of <br />which would have a detrimental impact on the environment from the stand- <br />point of their effect on water quality and aesthetics of the area. The <br />alternate plan for pumping water from the lower Animas River to serve the <br />project lands would significantly reduce the environmental impact of the <br />project. Sufficient water would be released downstream to maintain a <br />fishery in the Animas River below the diversion. The environmental <br />impact of irrigation will be minor as most lands in the project are either <br />presently irrigated or dryfarmed. There may be some increases of salinity <br />in the Colorado River from irrigation and M&I use of water by the project. <br />Secondary effects of providing water for private developments, such as <br />a thermal powerp1ant in the area, will need to be determined and remedial <br />measures identified to reduce pollution. <br /> <br />" <br />,.'. <br /> <br />, <br />, <br /> <br />;;: <br /> <br />,:;' <br /> <br />Current Status <br /> <br />Advance planning studies were initiated in F.Y. 1971 with funds <br />contributed by the state of Colorado and local water user organizations. <br />Federal funds in the amount of $225,000 were appropriated in F.Y. 1971 <br />and placed in budgetary reserve. These funds were released for use in <br />F.Y. 1972. Advance planning studies will be curtailed at the end of <br />F.Y. 1973 until funds are made available. The F.Y. 1974 program of <br />$100,000 is based on carryover funds from F.Y. 1973 and is to be used to <br /> <br />-4- <br />