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<br />'<'j" <br />'" <br />1,,(') <br />.-i <br /> <br />CHAPTER II <br /> <br />BASES FOR ANALYSES <br /> <br /> <br />Meadow hay produced on irrigated lands that were investigated <br />for inclusion in Upper Gunnison Project. <br /> <br />Water quality <br /> <br />The Environmental Protection Agency evaluated the effects that the <br />Upper Gunnison developments would have on water quality below the proj_ <br />ect area. It outlined effects of the developments in a letter of Decem- <br />ber 4, 1972, a copy of which is attached to this report. <br /> <br />Municipal and Domestic Water Requirements <br /> <br />The need for municipal water in the area is based on requests for <br />water by local entities, reports by engineering firms employed by local <br />entities to study the municipal water needs and development plans, and <br />on Bureau of Reclrunation projections. <br /> <br />The two plans for the Ohio Creek Unit outlined in the report .are <br />based on different requirements for municipal and domestic water for the <br />city of Gunnison. The earlier plan, now termed the alternative Ohio Creek <br />Unit and outlined in Chapter V, is based on a requirement for 6,000 acre- <br />feet annually while the later plan outlined in Chapter III is based on a <br />requirement for 4,000 acre-feet annually. Gunnison City originally <br />requested that the Bureau of Reclamation include in its plans the develop- <br />ment of 6,000 acre-feet of water for the city. This supply would both <br />replace the city's present supply obtained from deteriorating wells and <br />provide for future increases in water needs. A future average annual pop- <br />ulation growth rate in the city of about 5 percent would require the full <br /> <br />11 <br />