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DEPARTMENT OF NATURAL RESOURCES <br />DIVISION OF WATER RESOURCES <br />Bill Ritter, Jr. <br />Governor <br />April 22, 2008 Harris D. Sherman <br />Executive Director <br />~~~~~~ Dick Wolfe, P.E. <br />_:,,~,. , ® Director <br />Michael P. Boulay <br />Environmental Protection Specialist ;-,,. ~ ~ '4~~a <br />~~ <br />Division of Reclamation, Mining and Safety .~~,amation~ <br />1313 Sherman Street, Room 215 [~ive~~~t~ a'~nd Safe~Y <br />Denver, Colorado 80203 Mlnln9 <br />Re: New Horizon Mine (Permit No. C-1981-008) <br />Technical Revision No. 56 (TR-56) <br />Supplemental Information for Sediment Ponds 011 and 013 As-Builts <br />Dear Mr. Boulay: <br />The Division of Water Resources has reviewed the New Horizon Mine (Permit No. C-1981-008), <br />Technical Revision No. 56 (TR-56). The revision proposes to incorporate the As-Built information <br />and certification for Sediment Ponds 011 and 013. The applicant is proposing modifications to the <br />design of flow control mechanisms in the sediment ponds (i.e., 011 and 013). These mechanisms <br />control the volume of water and sediment discharged to the stream system. <br />The applicant has provided supplemental information related to the sediment ponds 011 and 013. <br />Ponds 011 and 013 are formed by surface impoundments and do not intercept groundwater <br />according to the applicant. Ponds 011 and 013 have decreed conditional water rights in the amount <br />of 4.40 acre-feet and 6.06 acre-feet as identified in Case no. 01CW114. The decreed uses for both <br />ponds are irrigation, stockwatering and mining purposes, including but not limited to dust suppression <br />and sediment control. The applicant will be allowed to operate the two ponds in accordance with the <br />decree as long as groundwater is not intercepted. If groundwater is intercepted, an augmentation <br />plan will be required.. At this time, the SEO has no objection to the proposed revision. <br />!f you have any questions, feel free to contact me at this office at (303) 866-3581. <br />Sincerely, ~`~^/~ /~ <br />Mark J. Van r i, PhD, PE, PG, BCEE <br />Water Resources Engineer <br />Enclosure(s) <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 <br />