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<br />fJOJ8~1 <br /> <br /> <br />United States Department of the Interior <br /> <br />WCG- TStroh/UC-606 <br />ENV.7,QO <br /> <br />SEP 1 8 211111 <br /> <br />RECEIVED <br />SEP 2 0 2001 <br /> <br />CoIOllldo Waler ConS."'ar;on Soard <br /> <br />BUREAU OF RECLVvIATION <br /> <br />Upper ColorJ.do Regional Office <br />1~5 Sourh State Sm:~!, Room 6107 <br />Salt L.1ke: City. Urah 341?-8.\ Wi. <br /> <br />IN REPLY REFER TO: <br /> <br />Subject: <br /> <br />~._I C. "iraARUR~~1 ^ N'''''ff~,U">t n...rl Finding of No Significant Impact for the Morrow <br />Point Cimarron River Dredging Project <br /> <br />Dear Agency, Organization or Interested Party: <br /> <br />Enclosed is a Final Environmental Assessment (EA) and Finding of No Significant Impact (FONS!) <br />prepared by the Bureau of Reclamation, The EA and FONSI complete an environmental review of a <br />proposal to remove approximately 11.000 cubic yards of gravel deposited in the upper end of Crystal <br />Reservoir at the confluence of the Gunnison and Cimarron Rivers, near Montrose. Colorado, <br /> <br />Over the years. a series of high flow events in the Cimarron River. which flows into Crystal Reservoir, <br />moved large quantities of gravel and other materials from the Cimarron River and deposited it at the <br />contluenee with the Gunnison River (upper end ofCrysral Reservoir), The deposited material created a <br />backwater pool in the Morrow Point Powerplant tailrace resulting in losses in hydropower generation <br />efficiencies at Morrow Point Powerplant and the ability to dewater the spillway stilling basin, <br /> <br />Removing the gravel will lower the water elevation in the Morrow Point Powerplant tailrace and improve <br />hydropower generating efficiency by restoring the tailrace and river channel to ils original post.dam <br />construction elevation. <br /> <br />The EA evaluated no action and proposed aClion alternatives, Reclamation has selected the proposed <br />action and dredging activities are scheduled to begin October 1,2001. If you have any questions <br />regarding the dredging project, please feel free to contact Donald Phillips at 970-240-6300 Ot Terence <br />Stroh at 970-248-0608. <br /> <br />Sincerely, <br /> <br />$#~ <br /> <br />Arlo H, Allen <br />Manager. Power Office <br /> <br />Enclosure <br />