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'. >.~ t ,] T'j ':, ,,;:} " j j ,j '] r:.t c:..A "j ';'.4 ~'c-i ".,< .-j ".J ,"j I HYANNIS PEAK RESERVOIR SUMMARY The Hyannis Peak project involves construction of a reservoir on the middle fork of Arapahoe Creek, a tributary of Grizzly Creek in the North Park area of Jackson County, Colorado. The teaervoir will be located in Section 26, Township 5 North, Range 80 West, within the boundaries of the Routt National Forest. Total capacity of the reservoir will be close to 2000 acre-feet and will inundate an area of 65 acres. The dam is proposed to be an 80 foot high rockfill with impervious core type which will util- ize a natural spillway adjacent to the east abutment. Access will most likely be gained via a 7000 foot roadway paralleling the pre- sent, Hyannis Peak pack trail. The 2000 acre-feet storage will provide supplemental irrigation water requirements of 1106 acre-feet to some 5300 acres of land owned or leased by the Meyring ~ivestock Company. Benefits of the project include increased hay and livestock production; and addi- tional storage to benefit wildlife and potential future re~reation use. Meyring Livestock Company and Arapahoe LiYestock, In~. con- trol conditional decrees totalling 2123 acre-feet at the Hyannis site. Total estimated cost of the project is $850,000. Posittve benefit/cost ratios in terms of trri~ation, beef production, and calf crop benefits are shown. The cost of the project is proposed to be divided equally be- tween two bonds. A private bond will be acquired by the Meyring Livestock Company and Arapahoe Livestock, Inc. at the anticipated interest rate of 12%. Additionally, tt is orooosed to obtain a >' . '.- ~ "" ~j~} "i ;.'. ~; .,;.'. j.; n 'lft H ii;&~, ~.; t:~ Colorado Water Conservation Board bond at 5% interest.' A repayment schedule and net operating profit schedule based on a forty year term for both bonds is presented. RMC