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ATCOLORADO <br />Division of Water Resources <br />Department of Natural Resources <br />1313 Sherman Street, Room 821 <br />Denver, CO 80203 <br />December 16, 2014 <br />DEREK FOSTER <br />DEERE Et AULT CONSULTANTS, INC. <br />600 S. AIRPORT ROAD, BUILDING A, SUITE 205 <br />LONGMONT, CO 80503 <br />TRANSMISSION VIA EMAIL: Derek.Foster@deereault.com <br />RE: SLURRY WALL LINER APPROVAL <br />EVERIST STAR RESERVOIR(WDID 0303000) <br />FEIT PIT, DRMS M- 1977 -522 (WDID 0302580) <br />SECTION 26, T6N, R66W <br />WATER DIVISION 1, WATER DISTRICT 3 <br />Dear Mr. Foster: <br />The purpose of this letter is to approve the lining of the Everist Star Reservoir. The Everist Star Reservoir is <br />primarily located in the SE1 /4 of the SW1 /4 and the SW1 /4 of the SE1 /4 of Section 26, Township 6 North, <br />Range 66 West of the 6th P.M. Everist Star Reservoir is part of the Feit gravel pit (DRMS M- 1977 -522). This <br />slurry wall liner leak test commenced August 6, 2014 and concluded on November 10, 2014. Site inspection <br />was performed by our office on September 25, 2014 to review site conditions and the leak test plan. <br />Your revised report dated December 15, 2014 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 August 1999 <br />State Engineer Guidelines for Lining Criteria for Gravel Pits (1999 SEO Guidelines). Meeting the design <br />standard requires that during reservoir operations all water inflows and outflows for the liner perimeter <br />enclosed area be accounted for on a monthly basis. <br />With this liner approval, the Everist Star Reservoir 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 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 />40�kawlol� . <br />loana Comaniciu, P.E. <br />Water Resource Engineer <br />ec: Mark Simpson, District 3 Water Commissioner (Mark. Simpson@state.co.us) <br />Louis Flink, Diversion Records Coordinator (Louis.f[ink@state.co.us) <br />WDID File (0303000 It 03032580) <br />1313 Sherman Street, Room 821, Denver, CO 80203 P 303.866.3581 F 303.866.3585 www.water.state.co.us <br />V. coo <br />0 <br />'� 1876 <br />