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nF,PARTMENT OF NATURAL RESOURCES <br />DIVISION OF WATER RESOURCES <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />July 14, 2008 Executive Director <br />Dick Wolfe, P.E. <br />Director <br />Michael P. Boulay <br />Environmental Protection Specialist <br />Division of Reclamation, Mining and Safety VtVcFrVE® <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 JUL 6 20?, <br />041sion oT an a t <br />Re: Redcliff Mine (Permit No. C-2008-086 <br />New Permit Application Mining <br />Dear Mr. Boulay: <br />The Division of Water Resources has reviewed the Redcliff Mine (Permit No. C-2008- <br />086), New Permit Application. The application proposes to conduct coal mining <br />operations in Colorado. The proposed operation will mine and ship up to eight million <br />clean tons of coal per year. <br />According to information provided in the Preliminary Draft Environmental Impact <br />Statement, dated March 20, 2008, and a response letter, dated June 5, 2008, from Gary <br />Isaac to Michael Boulay, mine water discharge remains an issue. Specifically, the <br />location and amount of the mine water discharge should be identified and quantified. <br />The DRMS and the applicant should be aware that the area is over-appropriated, as <br />such, any diversions could potentially result in depletions that impact downstream or <br />senior water right uses. Therefore, the applicant would be required to replace any <br />depletions pursuant to an approved substitute water supply plan or plan for <br />augmentation. The SEO thinks that the potential may exist to cause injury to senior <br />water rights in the area. <br />If you have any questions, feel free to contact me at this office at (303) 866-3587. <br />Siin4cerely, <br />Mark J. Va elli, PhD, PE, PG, BCEE <br />Water Resources Engineer <br />cc: file <br />MV/mv <br />Office of the State Engineer <br />1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: 303-866-3581 • Fax: 303-866-3589 <br />www.water.state.co.us