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© COLORADO <br /> Division of Water Resources <br /> Department of Natural Resources <br /> Response to Consideration of 112d(3) Hard Rock/Metal Mining Reclamation Permit <br /> Amendment Application <br /> DATE: July 1, 2019 <br /> TO: Peter Hays, Environmental Protection Specialist <br /> (Peter.hays@state.co.us) <br /> FROM: Javier Vargas-Johnson <br /> RE: Henderson Mine, Fite No. M-1977-342 <br /> Applicant/Operator: Climax Molybdenum Company, Inc.; (303) 569-3221 <br /> Sections 23, 24, 25, and 26, Twp 3 South, Rng 76 West, 6th P.M., and Sections 19 and <br /> 30, Twp 3 South, Rng 75 West, 6th P.M. Clear Creek County <br /> COMMENTS: The subject application is for an expansion of the affected land in an existing <br /> underground mining operation on 2,600 permitted acres located approximately 9 miles west of <br /> Empire, Colorado. The primary commodity mined at the site is molybdenum ore. The application <br /> seeks to add to the acreage of the land within the property boundary designated as "Affected <br /> Land", however no new disturbance will take place. The application does not make any changes to <br /> the reclamation plan. <br /> The application also proposes a potential relocation of the URAD Wastewater Treatment Plant <br /> treated water discharge line. Currently discharging into Woods Creek above the Lower URAD <br /> Reservoir, the relocated discharge line would instead discharge directly into the Lower URAD <br /> Reservoir near the Lower Pump House. <br /> The site water resources are operated under the plan detailed in Technical Revision 16: Henderson <br /> Operations Groundwater Management Plan. The site operates under the augmentation plan <br /> decreed in Water Court Case No. 98CW398. The proposed amendment will not affect any additional <br /> water resources beyond those already covered in the augmentation plan. <br /> Based on the above, this office has no concerns regarding the proposed amendment. The Division of <br /> Reclamation, Mining and Safety and/or the Applicant may contact the State Engineer's Office with <br /> any questions. <br /> of.cod <br /> aw � <br /> 1313 Sherman Street, Room 821, Denver, CO 80203 P 303.866.3581 www.cotorado.gov/water o <br /> Jared Polis,Governor I Dan Gibbs, Executive Director I Kevin G. Rein,State Engineer/Director I *`• ;� + <br /> *1876 <br />