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DEPARTMENT OF NATURAL RESOURCES <br />DIVISION OF WATER RESOURCES <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />Dick Wolfe, P.E. <br />Director <br />November 16, 2007 <br />Scott Palmer, P.E. <br />Deere & Ault Consultants, Inc. <br />600 S. Airport Road, Building A, Suite 205 <br />Longmont, CO 80503 <br />Re: Sharkey's Reservoir Leak Test, Platte Sand and Gravel <br />D&A Job No. CG-0237.004.00 <br />Water Division 1, Water District 2 <br />Dear Scott: <br />The purpose of this letter is to approve the lining of the above referenced gravel pit. This approval <br />is based on the information you provided under covers letters dated October 3, 2007 and <br />November 14, 2007 as well as the site inspection conducted on November 1, 2007. The <br />estimated pit inflows from precipitation and groundwater and outflows due to pumping and <br />evaporation indicate that this pit has been lined to the design standard referenced in the <br />August 1999 State Engineer Guidelines for Lining Criteria for Gravel Pits. Meeting the design <br />standard requires that all water inflows and outflows for this pond must be accounted for <br />on a monthly basis. <br />Please call me if you have any questions. <br />Sincerely, <br />C- Cl-ak <br />Jana C. Ash, P.E. <br />Water Resource Engineer <br />CC: Robert Stahl, Water Commissioner <br />Shera Sumerford, Water Commissioner <br />Office of the State Engineer <br />1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: 303-866.$581 • Fax: 303-866-3589 <br />www.water.state. co-us