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DEPARTMENT OF NATURAL RESOURCES ecs <br />DIVISION OF WATER RESOURCES <br />December 22, 2008 <br />RECF-II/ED <br />Andy Rodriguez, P.E. 'JAN 0 6 2009 <br />Civil Resources, LLC <br />P.O. Box 680 Division of Reclamation, <br />Frederick, CO 80530 Mining and Safety <br />Y <br />Re: Bernhardt Pit, Substitute Water Supply Plan (WDID 0408528) <br />Division of Reclamation Mining and Safety File No. M-12002-120 <br />Sections 1 and 12, T4N, R67W, 6th P.M., Weld County <br />Water Division 1, Water District 2 and 4 <br />Approval Period: January 1, 2008 through December 31, 2008 <br />Contact phone number for Mr. Andy Rodriguez: 303-833-1416 <br />Dear Mr. Rodriguez: <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />Dick Wolfe, P.E. <br />Director <br />We have received your letter dated October 21, 2008, requesting renewal of the above <br />referenced substitute water supply plan to cover depletions caused by an existing gravel mining <br />operation operated by Hall-Irwin ("Applicant"). The required fee of $257.00 for the renewal of this <br />substitute water supply plan ("SWSP") has been submitted (receipt no. 3634451). The original <br />supply plan was approved January 14, 2004 and the plan was most recently renewed on March <br />31, 2008. <br />Plan Operation <br />This plan seeks to replace depletions resulting from mining operations at the Bernhardt <br />pit. The depletions that result from the mining operation are evaporation, water lost in mined <br />product, concrete batching and dust suppression. The proposed replacement source is excess <br />augmentation credits leased from the Town of Milliken. The leased water is excess <br />augmentation credits from Milliken's 2009 pending SWSP, associated with consolidated case <br />nos. 2002CW339 and 2005CW59. <br />A portion of the mining site has been lined with a bentonite slurry wall. That liner has <br />not yet been approved by the Division Engineer therefore, the depletions calculated for this plan <br />assume that the liner does not exist. <br />An alluvial well has been constructed to provide water for concrete batching. This well <br />was constructed under permit no. 60729-F (WDID 0405678) and is located outside the <br />boundaries of the existing slurry wall. The water withdrawn from the alluvial well is considered <br />100% consumptive. <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