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2.0 Project Sponsor <br />The CMDRC is a Colorado corporation formed in accordance with CRS 37-41-101. There are <br />24 shareholders (landowners) and 400 shares within the company. The CMDRC has the ability <br />to set annual fees paid by its shareholders, the power to cut off water deliveries to shareholders <br />that fail to pay their assessments, and the power to acquire and sell the shares of delinquent <br />shazeholders. Documents establishing the corporation aze included in Appendix B. <br />3.0 Project Service Area and Facilities <br />Gauged flows from the Cedar Mesa Reservoir are released into Surface Creek downstream of the <br />reservoir and subsequently directed to the irrigation users. The 24 shareholders irrigate <br />approximately 450 acres of fruit and grain and feed crops. Photos of the dam aze included in <br />Appendix C, and the service area plan is shown on Figure C100. <br />4.0 Water Rights <br />CMDRC water rights were granted by decree on December 1, 1896, and August 7, 1939, for <br />133 acre-feet and 770 acre-feet, respectively. The CMDRC has the right to draw on its average <br />annual storage volume of 903 acre-feet. Based on historic information recorded by the State <br />Engineers Office, the reservoir fills annually. Water rights documents are included in <br />Appendix D. <br />5.0 Project Description and A/ternatives <br />The purpose of the project is to reestablish a reliable irrigation source for CMDRC shareholders <br />through rehabilitation of the existing Cedar Mesa Dam. Three alternatives were considered <br />when evaluating rehabilitation of the dam structure. The altematives considered are swmnarized <br />below. <br />1 The "no action" altemative <br />2 Install chimney and toe drains consisting of synthetic geocomposites for the purpose <br />of controlling the phreatic surface within the dam structwe and seepage flows <br />currently exiting the toe of the dam ($95,309) <br />3 Install a sand/gravel chimney and toe drain to control phreatic surface within the dam <br />structure and seepage flows currently exiting the toe of the dam ($131,962) <br />Alternative No. 1— "No aCtion." This altemative is considered to be unacceptable since the <br />dam structure is under restriction and must be rehabilitated before impoundment of water can <br />resume. <br />Alternative No. 2— Geosynfhetic chimney and toe drains. This altemative is not <br />acceptable to the State Engineers Office. They want to see natural materials used rather than <br />synthetics based on a perceived longer service life. <br />GdwpwoM1�1800sU835A\CetlarMesaFeasibiliryRepon.tloc 2 Ju1y2001 <br />