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DEPARTMENT OF NATURAL RESOURCES <br />DIVISION OF WATER RESOURCES <br />John W. Iiickeniooper <br />Govemor <br />Mike King <br />Executive Director <br />April 21, 2011 Dick WoEe, P.E. <br />Director/State Engineer <br />Mr. Andy Rodriguez, P.E. <br />Civil Resources, LLC <br />_1?323 Fifth Street <br />P.O. Box 680 <br />Frederick, CO 80530 <br />Re: Shores Gravel Pit, Substitute Water Supply Plan (WD 0502522) <br />Division of Reclamation Wii in%and Safe>-e No.1998-013, WDID 0505500 <br />Sections 1 and 2, T2N, R68W, 6 P.M. <br />Water Division 1, Water District 5, Weld County <br />Approval Period: January 1, 2011 through December 31, 2011 <br />Contact phone number for Mr. Andy Rodriguez: 303-833-1416 <br />Dear Mr. Rodriguez: <br />We have reviewed your letter dated March 10, 2011, 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 has been submitted (receipt no. 3649418). The original plan was <br />approved on May 21, 2001 and was most recently approved on March 17, 2010 for operations <br />through December 31, 2010. <br />Plan Operation <br />This plan seeks to replace depletions resulting from mining operations at the Shores <br />gravel pit for 2011. The site contains four slurry walled areas, designated cells A through D, as <br />shown on the attached Figure 1. Together these four cells are planned to eventually be <br />connected via pipelines, by others, and become Shores Lake (WDID 0503900) as adjudicated <br />in OOCW0083. Cells A, B and C were initially dewatered and dry mined. A slurry wall was <br />constructed around cells A and B and lining for these cells was approved in January 2007. A <br />slurry wall was also constructed around cell C and was approved in December 2009. A slurry <br />wall was constructed around cell D but has not yet been tested or approved. During the period <br />of this plan mining will occur in cell D. The depletions that result from mining operations at the <br />Shores pit are evaporation, water lost in mined product, concrete batching, dust suppression <br />and dewatering. The proposed replacement sources are net accretion credits at the river that <br />occur due to the dewatering operation at the site (cell D). These accretions are applied to this <br />plan against the evaporation and operational depletions at the site. The applicant has bonded <br />through the Division of Reclamation Mining and Safety for final reclamation of the site. <br />Office of the State Engineer t'EWD <br />1313 Sherman Street, Suite 818 • Denver, CO 80203 a Phone: 303-866-3581 • Fax: 303-866-35WPR ww <br />w.water.state.co.us <br />Division u, , <br />Mining and Safety'