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DNR COLORADO <br /> co . CColorado Water <br /> onservation Board Evans Reservoir Bypass Flume Replacement <br /> Parkville Water District <br /> Substantially Complete December 1, 2016 <br /> • <br /> ev <br /> 4 fin. <' .tet <br /> f' <br /> _ovic <br /> alit <br /> Project Description <br /> In the spring of 2014, sudden runoff combined with spring rains resulted in an unusually high snow <br /> melt. The flume was nearly overwhelmed and the portion that passes over the abutment of the dam <br /> failed. Significant erosion of the dam resulted, but emergency repairs prevented further damage and <br /> contamination of the water supply. Runoff in 2015 was unusually high as well, due to the amount of <br /> snowfall in April and unusually warm temperatures in June, necessitating emergency action again. This <br /> project constructed a replacement of the existing flumes with a new concrete inlet and trash <br /> structure, a concrete outlet structure, and a buried pipeline to carry the flows around the existing <br /> reservoir. This project met its two primary objectives of the project: to protect water quality for the <br /> City of Leadville, and to prevent failure of the Evans Reservoir dam related to flume failure. <br /> PROJECT DATA <br /> Sponsor: Parkville Water County: Lake Water Source: Evans Gulch <br /> District <br /> Type of Project: Ditch Rehabilitation Board Approval Date: September 2015 <br /> Loan Terms: (Original) $181,800 ® 1.95% for 10 years (Final) $181,800 @ 1.95% for 10 years <br /> Design Engineer: W.W. Wheeler ft Associates, Inc. <br /> Contractor: Mountain Structures Inc. <br /> Project Elements: Concrete inlet and outlet outlet structures, ABS pipeline <br /> Water Project Loan Program - Project Summary <br />