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<br />Introduction <br /> <br />Several uses of water by the Ute Mountain Utes and Southern Utes have been identified. (see <br />Memorandum from Jim Merchant dated May 3, 1999.) One of these uses is for a regional M&I <br />water supply of up to 19,000 acre-feet for each Tribe. This total would then amount to 38,000 <br />acre- feet. <br /> <br />Population projections and corresponding needs for M&I were prepared to the year 2100 for <br />LaPlata County and Montezuma County in Colorado and San Juan County in New Mexico. <br />Details of these projections are contained in Jim Merchant's Memorandum previously referred to. <br />A brief summary of these projections is presented below in Table 1. <br /> <br /> Table 1 <br /> (Source of data: Jim Merchant's Memorandum dated Ma 3, 1999) <br /> LaPlata County Montezuma County San Juan County <br /> Population Water Population Water Population Water <br /> Projection Demands Projection Demands Projection Demands <br /> (Acre-feet) (Acre-feet) (Acre-feet) <br />2000 44,556 8,934 24,319 4,876 108,432 21,741 <br />2050 104,560 20,965 61,300 12,291 217,130 43,536 <br />2100 255,160 51,161 155,820 31,243 457,200 87,793 <br /> <br />Based on these projections, it is evident that a Regional M&I Water Supply as a use for the water <br />ITom the Ute Mountain Utes and the Southern Utes is a viable option. <br /> <br />At the present time it is not possible to accurately predict where the growth will actually take <br />place but it is possible to develop a methodology to address impacts ITom anticipated growth in <br />the region. <br /> <br />Steps in Developing a Methodology to Address Environmental Impacts from a <br />Regional M&I Water Supply <br /> <br />In order to provide a suitable analysis of project impacts, at a reasonable cost and in a timely <br />. manner, the concept of selecting a representative area to represent both the range of existing <br />environmental conditions within the project area and the potential post-project conditions. <br />Detailed environmental impact analyses will then be conducted on this representative area and <br />then extrapolated to the entire project area. <br /> <br />It is envisioned that the following steps would be taken to analyze impacts due to supplying water <br />for M&I growth in the region. <br /> <br />.l <br />i <br /> <br />. Select Population Centers to be Served <br />. Select a Population Center as Being Representative of Full Range of Impacts <br />. Determine Corridors for Main Pipelines for Impact Analysis <br />.. Develop Representative Area Template for Distribution Lines for Expansion of <br />Cities/Communities for Impact Analysis <br /> <br />2 <br /> <br />Draft . Jim Riley <br />Saturday, June os, 1999 <br />