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• <br /> Oe•C., DEPARTMENT OF NATURAL RESOURCES <br /> i *; <br /> DIVISION OF WATER RESOURCES <br /> John W.Hickenloo <br /> 6 i� Governor �` <br /> • <br /> Mike Kin <br /> Exeeutivetirecior <br /> October 8,2013 �� Engineer <br /> Division Nettles,Engineer <br /> Andy Roriguez ne P.E.r <br /> Civil Resources <br /> Transmission via email:andy©civilresoulces.c om <br /> RE: SLURRY WALL UNER APPROVAL <br /> Bestway Concrete&Aggregate Shores Pond D(WDID 0502522) <br /> The Shores Gravel Pits, DRMS M-1998-013(WDID 0503900/0505500) <br /> Part of the NE1/4 Sec 1,T2N, R68W,WATER DIVISION 1,WATER DISTRICT 5 <br /> Dear Mr. Rodriguez: <br /> The purpose of this letter Is to approve the lining of the Shores Pond D. This reservoir, comprising 36 <br /> acres +/-, is located primarily in the SW1/4 of the NE1/4 of Section 1, Township 2 North, Range 68 <br /> West of the 6th P.M. and is a part of The Shores Gravel Pits (DRMS M-1998-013). This slurry wall <br /> liner leak test commenced May 1, 2013 and concluded on August 13, 2013. A site inspection was <br /> performed by our office on May 29,2013 to review site conditions and the leak test plan. <br /> Your report dated August 16, 2013 provides the liner summary and leak test result. The test data <br /> provided indicates that the reservoir has been lined to the design standard referenced in the <br /> August 1999 State Engineer Guidelines for Lining Criteria for Gravel Pits (1999 SEO Guidelines). <br /> Meeting the design standard requires that during reservoir operations all water Inflows and <br /> outflows for the liner perimeter enclosed area be accounted for on a monthly basis. <br /> With this liner approval, the Shores Pond D is now classified as a lined reservoir in accordance with <br /> the 1999 SEO Guidelines. Water shall not be impounded in the reservoir except pursuant to lawful <br /> diversions allowed by statute or decree. At all other times, all inflow of water into the reservoir from <br /> any source, including precipitation and ground water inflows shall be removed to prevent illegal <br /> storage of water. Prior to Am use of this site, the owner or operator will need to coordinate with <br /> Shera Sumerford, District 5 Water Commissioner, to review operations, measurement structures, <br /> stage-storage curves, and accounting. <br /> Please contact me at the number below if you have any questions. <br /> Sincerely, <br /> ,14A I <br /> cy . ' , P.E. <br /> Water R--g roe Engineer <br /> ec: Shera Sumerford,District 5 Water Commissioner(Shera.Sumerfordplstate.co.us) <br /> WDID File(0502522,0505500) <br /> Water Division I • Greeley <br /> 810 9•Street,Suite 200•Greeley,CO 80631 •Phone:970-352-8712•Fax:970-392-1816 <br /> www.water.state.co.us <br />