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<br />Table 1 displays the projects in the baseline for the Little Snake and Yampa <br />Rivers. <br /> <br />o <br />,-, <br />W <br />W <br />()l <br />..J <br /> <br />Table 1 <br /> <br />Depletion <br /> <br />Yampa River <br /> <br />Hayden Power Station ).. """.h- <br />I <br />Craig 'Power Station ,!iotdA-t~ {,. ,/ <br /> <br />Private Actions S', r - J,o - <br /> <br />Stagecoach Reservoir <br /> <br />7.1 K acre-feet <br />19.2 K acre-feet <br /> <br />5.9 K acre-feet <br />+ <br />12.8 K acl"e-feet <br /> <br />Little.Snake:River' <br /> <br />Cheyenne .:Stage I <br />Cheyenne .:Stage II - l ittl e .:Snake <br /> <br />8.0 K acre-feet <br /> <br />15.8 Kacre-feet <br /> <br />Total Depletion Above Green River Confluence <br /> <br />68.8 K acre-feet <br /> <br />The Service's HYDROSS:model wasxhen used to quantify the effects of the above <br />depletions on the Yampa River at Oeerlodge Park~ The model begins with gage <br />flows for the perjod 1930 to 1982 and subtracts depletions based on water <br />rights and availability. The results of the HYOROSS run were statistically <br />analyzed and are displayed in Attachment 2. <br /> <br />Several general trends can be identified by comparing Attachments 1 and 2. <br />The general trend is downward, with major reductions taking place in the peak <br />flow months; with smaller depletions in other months. There is also a trend <br />toward augmentation of flows from September through January of dryer years. <br />Table 2 displays these trends. <br /> <br />~ j fit 'Y<' c.c4.<:_l.- ~I'<> b /..... , .., <br /> <br />2 <br />