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December 9, 2009 <br />Dear Scott <br />DEPARTMENT OF NATURAL RESOURCES <br />DIVISION OF WATER RESOURCES <br />Scott Palmer, P.E. <br />Deere & Ault Consultants, Inc. <br />600 S. Airport Road, Building A, Suite 205 <br />Longmont, CO 80503 <br />SUBJECT: Bernhardt Pond 2 Leak Test, <br />D&A Job No. CG- 0134.019.01 <br />Water Division 1, Water District 4 <br />The purpose of this letter is to approve the lining of the above referenced gravel pit. This approval is <br />based on the information you provided under covers letters dated October 1, 2009, December 4, 2009, as <br />well as a site inspection conducted on October 21, 2009. The estimated pit inflows from precipitation and <br />groundwater and outflows due to pumping and evaporation indicate that this art has been lined to the <br />design standard referenced in the August 1999 State Engineer Guidelines for Lining Criteria for Gravel <br />Pits. Meeting the design standard requires that all water inflows and outflows for this pond must <br />be accounted for on a monthly basis. <br />Please call me if you have any questions. <br />CC: Fred Renner, Water Commissioner <br />Jeff Deatherage, Water Resource Engineer <br />David Nettles, Assistant Division Engineer <br />Sincerely, <br />(41-ftoL C acfrh <br />Jana C. Ash, P.E. <br />Water Resource Engineer <br />Bill Ritter, Jr. <br />Governor <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 <br />James B. Martin <br />Executive Director <br />Dick Wolfe, P.E. <br />Director/State Engineer <br />