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August 30, 2018 <br /> Caleb Foy, P.E. <br /> Division of Water Resources <br /> 1313 Sherman St., Suite 821 <br /> Denver, CO 80203 <br /> RE: Dedication of Water Supplies to Satisfy Long-Term Augmentation Requirement <br /> for Deep Cut, LLC's 22 West Pit (M-2017-032) <br /> Dear Caleb: <br /> This letter is to provide information intended to satisfy the requirements of the April 30, <br /> 2010 letter from the Division of Reclamation Mining and Safety (DRMS) and Section 16 <br /> of the General Guidelines for Substitute Water Supply Plans for Sand and Gravel Pits <br /> (Guidelines) pertaining to the long-term replacement of depletions at Deep Cut, LLC's <br /> (Deep Cut)22 West Pit(M-2017-032). This letter supersedes the letter provided on August <br /> 23, 2018. <br /> Section 16 of the Guidelines requires that"If the proposed final reclamation of the mining <br /> operation, as approved in the DRMS permit, does not include backfilling or lining to <br /> eliminate all ground water exposed within the mining boundaries, sufficient replacement <br /> water must be dedicated to the plan, or financial assurance that would allow purchase of <br /> replacement water to cover the expected depletions that would occur at the site." <br /> Based on the net evaporation rate of 3.85 feet and the maximum exposed ground water <br /> surface area of 15 acres presented in the pending substitute water supply plan, approximately <br /> 57.75 acre-feet must be covered by the water right dedication. <br /> For the purposes of satisfying the requirements of Section 16 of the Guidelines, Deep Cut <br /> will dedicate the following water rights for long-term replacement of evaporative depletions <br /> resulting from the exposure of ground water at the 22 West Pit: <br /> • 2 shares in the Rocky Ford Ditch Company <br /> • 17.45 shares in the Twin Lakes Reservoir and Canal Company <br /> • 15 shares in the Catlin Canal Company <br />