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C?10 DEPARTMENT OF NATURAL RESOURCES <br />yam' DIVISION OF <br />WATER RE OURCES <br />1876 <br />January 4, 2011 <br />RECE <br />?)VARRA COMPANIES FBB 112 oil <br />GARRETT VARRA Division of Heclam, <br />8120 GAGE STREET Mining and Sat* <br />FREDERICK, CO 80516 <br />RE: DAKOLIOS RESERVOIRS, WDID0504003, DRMS PERMIT M1984-036 <br />NW % SW % S31-T3N-R67W <br />WATER DIVISION 1, WATER DISTRICT 5 <br />Bill Ritter, Jr. <br />Governor <br />Mike King <br />Executive Director <br />Dick Wolfe, P.E. <br />Director/State Engineer <br />David L. Nettles, P.E. <br />Division Engineer <br />Dear Garrett: <br />The purpose of this letter is to approve the lining of the Dakolios West Pit. This pit is <br />located in the NW% of the SW% of Section 31, Township 3 North, Range 67 West and is a <br />part of the Dakolios Project (DRMS M1984-036). Dakolios West was decreed in Case No. <br />01CW274 as a part of the Dakolios Reservoirs (WDID 0504003). The compacted clay liner <br />test commenced August 2, 2010 and concluded on October 31, 2010. A site inspection <br />was performed by our office on October 26, 2010 to review site conditions and the leak test <br />plan. <br />Your report dated December 16, 2010 provides the liner summary and 90-day leak test <br />result. The test data provided indicates that the pit has been lined to the design <br />standard referenced in the August 1999 State Engineer Guidelines for Lining Criteria for <br />Gravel Pits (1999 SEO Guidelines). Meeting the design standard requires that all water <br />inflows and outflows for the liner perimeter enclosed area must be accounted for on <br />a monthly basis. <br />With this liner approval, Dakolios West Lined Pit may be used to store water in accordance <br />with the 1999 SEO Guidelines. Prior to ANY use of this site, the owner or operator will <br />need to coordinate with Shera Sumerford, District 5 Water Commissioner, to review <br />operations and accounting. <br />Please contact me at the number below if you have any questions. <br />Sincerely, <br />Y <br />Jonathan M. Hernandez, P.E. <br />Water Resource Engineer <br />ec: Shera Sumerford, District 5 Water Commissioner <br />Joanna Williams, Denver SEO <br />Water Division 1 • Greeley <br />810 91^ Street, Suite 200 • Greeley, CO 80631 • Phone: 970,352-8712 • Fax: 970-392-1816 <br />www.water.state.co.us <br />j <br />1 ,l, 1.