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DNR , COLORADO <br /> CO Division of Water Resources <br /> y.t artr'-i r t cr NaL,_, <br /> 1313 Sherman Street, Room 821 <br /> Denver, CO 80203 <br /> June 8, 2015 <br /> CARIE HERBOLSHEIMER, P.E. <br /> APPLEGATE GROUP, INC. <br /> 1490 W. 1215T AVERNUE, SUITE 100 <br /> DENVER, CO 80234 <br /> TRANSMISSION VIA EMAIL: CarrieH@applegategroup.com <br /> RE: COMPACTED CLAY LINER APPROVAL <br /> SERFER RESERVOIR (WDID 0303327) <br /> SERFER PIT, DRMS M-2008-006 (WDID 0303028) <br /> NE1/4, SECTION 24, T6N, R68W <br /> WATER DIVISION 1, WATER DISTRICT 3 <br /> Dear Ms. Herbolsheimer: <br /> The purpose of this letter is to approve the lining of the SerFer Reservoir ("Reservoir"). The Reservoir is <br /> primarily located in the NE1/4 of Section 24, Township 6 North, Range 68 West of the 6th P.M., and is part of <br /> the SerFer Gravel Pit (DRMS M-2008-006). This clay liner Leak test commenced February 6, 2015 and <br /> concluded on May 8, 2015. Site inspection was performed by our office on March 26, 2015 to review site <br /> conditions and the leak test plan. <br /> Your report dated May 20, 2015 provides the liner summary and leak test result. The test data provided <br /> indicates that the reservoir has been lined to the design standard referenced in the August 1999 State <br /> Engineer Guidelines for Lining Criteria for Gravel Pits (1999 SEO Guidelines). Meeting the design standard <br /> requires that during reservoir operations all water inflows and outflows for the liner perimeter enclosed <br /> area be accounted for on a monthly basis. <br /> With this liner approval, the SerFer Reservoir is now classified as a lined reservoir in accordance with the <br /> 1999 SE0 Guidelines. Water shall not be impounded in the reservoir except pursuant to lawful diversions <br /> allowed by statute or decree. At all other times, all inflow of water into the reservoir from any source, <br /> including precipitation and ground water inflows shall be removed to prevent illegal storage of water. Prior <br /> to ANY use of this site, the owner or operator will need to coordinate with Mark Simpson, District 3 Water <br /> Commissioner, to review operations, measurement structures, stage-storage curves, and accounting. <br /> Please contact me at the number below if you have any questions. <br /> Sincerely, <br /> rea <br /> loana Comaniciu, P.E. <br /> Water Resource Engineer <br /> ec: Mark Simpson, District 3 Water Commissioner (Mark.Simpson®state.co.us) <br /> Louis Fiink, Diversion Records Coordinator(Louis.flink@state.co.us) <br /> WDID File (0303327 Et 0303028) <br /> i1F <br /> 1313 Sherman Street, Room 821,Denver,CO 80203 P 303.866.3581 F 303.866.3585 www.water.state.co.us 9Q i <br />