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OF COlo' DEPARTMENT OF NATURAL RESOURCES h <br /> * YIVISION OF WATER RESOURCES <br /> John W.Hickenlooper <br /> Governor <br /> October 6, 2014 Mike King <br /> Executive Director <br /> Dick Wolfe,P.E. <br /> J red Dains Dir ctor/Stat Engineer <br /> „ pplegate Group, Inc. <br /> 1490 West 121" Avenue, Suite 100 <br /> Denver, CO 80234 <br /> Re: East 8th Street Substitute Water Suppl�PlaWDID 0302562) <br /> East 8th Street rt Ferm1f-Flo. M-2000-082 (WDID 0303016) <br /> Section 4, T5N, R65W, 6th P.M. RECEIVED <br /> Water Division 1, Water District 3, Weld County <br /> Approval Period: November 1, 2014 through October 31, 2015 CT 2 t 2;1, 't <br /> Contact phone number for Mr. Dains: 303-452-6611 Division of Reclamation, <br /> Mining&Safety <br /> Dear Mr. Dains: <br /> We have received your letter dated July 25, 2014, requesting renewal of the above referenced <br /> substitute water supply plan ("SWSP") in accordance with 5 37-90-137(11), C.R.S. to cover depletions <br /> caused by the East 8th Street Pit sand and gravel mining operation. The current permittee for the East <br /> 81h Street Pit (M-2000-082) is Superior Oilfield Services Co., LTD and the current operator is Laser <br /> Oilfield Service LLC ("Laser" or "Applicant"). This pit was previously included in the Aggregate <br /> Industries Combined SWSP (WDID 0202565) but has been covered under a separate SWSP since November <br /> 1, 2012. The required fee of $257.00 for the renewal of this substitute supply plan has been submitted <br /> (receipt no. 3665961). <br /> SWSP Operation <br /> The East 8th Street Pit (well permit no. 63551-F, WDID 0303016) is located just east of the City <br /> of Greeley in the south half of Section 4, Township 5 North, Range 65 West of the 6th P.M., as shown <br /> on the attached Figure 1. The main pit will continue to be dewatered during this plan period in <br /> order to allow the site to be dry mined. Depletions at the East 8th Street Pit during this plan period <br /> will consist of evaporation from exposed surface area, water removed in the mined product, and <br /> water used for dust control purposes. The City of Greeley is the owner of the land on which the East <br /> 8th Street Pit is located. Greeley will provide replacement water from their waste water treatment <br /> plant pursuant to the mining lease agreement between the Applicant and Greeley. The final <br /> reclamation plan for the pit is to create a lined storage reservoir for the City of Greeley. <br /> Depletions <br /> The current exposed surface area at this site is one (1) acre, consisting of the settling ponds <br /> and dewatering trenches within the site. Net evaporative loss was determined to be 2.93 feet per <br /> exposed acre, as approved in previous SWSPs. This value was calculated using a gross annual <br /> evaporation of 45 inches from the exposed water surface, with a credit of 9.9 inches for effective <br /> precipitation, based on average annual precipitation of 14.14 inches for the Greeley UNC weather <br /> station. Net evaporative losses at the site are therefore estimated to total 2.93 acre-feet for this <br /> plan period. <br /> The Applicant anticipates mining 500,000 tons of aggregate during this plan period. The <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 />