2012-06-05_PERMIT FILE - M2012014

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DEPARTMENT OF NATURAL RESOURCES DIVISION OF WATER RESOURCES Res onse to Reclamation Permit Application Consideration DATE: June 4, 2012 TO: p-eter S. Hays, Environmental Protection Specialist CC: Division 1 Office, District 64 Water Commissioner FROM: Sarah Brucker, P.E.�5 ,/ RE: Pawnee Aggregate Pit, File No. M -2012 -014 Operator: Dietzler Construction Corporation Contact: Joel Slate, (307) 333 -7552 Sec. 30 & 31, Twp. 10 North, Rng. 60 West, 6th P.M., Weld County John W. Hickenlooper Governor Mike King Executive Director Dick Wolfe, P.E. Director /State Engineer CONDITIONS FOR APPROVAL ® The proposed operation does not anticipate exposing groundwater. Therefore, exposure of ground water must not occur during or after mining operations. ® The applicant has indicated plans to use other water for mining and crushing operations and for dust control purposes at the permit site. The source of water for this use is unspecified wells. Applicant needs to document that this water was diverted in priority under a water right decreed by Water Court or well permit approved by the Colorado Ground Water Commission for such industrial use at the proposed place of use. COMMENTS: The applicant proposes to conduct a surface mining operation on 160 acres consisting of the S' /z of the SE% and the SE% of the SW% of Sec. 30, and the NW% of the NE %4 of Sec. 31. Please note the SE% of Sec. 30 is located within the boundaries of the Upper Crow Creek Designated Basin, and the Colorado Ground Water Commission has jurisdiction. The primary commodities mined will be sand and gravel. Ground water is not anticipated to be encountered in the mine zones. A small amount of water, not expected to exceed 6,000 gallons per month, will be utilized for mining and crushing operations and for dust control purposes. This water Is proposed to be obtained and hauled from the landowner's industrial permitted water wells. If stormwater runoff is intercepted by this operation and is not diverted or captured in priority, it must be released to the stream system within 72 hours. This may require a discharge permit from CDPHE -WQCD. Otherwise, the operator will be required to make replacements for evaporation. The site will be reclaimed to its existing use of rangeland at the conclusion of mining operations. So long as the above conditions for approval are complied with, this office has no objection to the proposed mining operation. RECEIVED JUN 0 5 2012 Dlvi ®Ion of Reclamation, Mining & Safety Office of the State Engineer 1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: 303 - 866 -3581 • Fax: 303 - 866 -3589 www.water.state.co.us