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A7COLORADO <br /> Division of Water Resources <br /> December 3, 2018 <br /> Jared Dains, P.E. <br /> Applegate Group, Inc. <br /> 1490 West 1215t Avenue, Suite 100 <br /> Denver, CO 80234 <br /> Re: East 8th Street Substitute Water Supply Plan (WDID 0302562, Plan ID 4701) <br /> East 8th Street Pit, DRMS Permit No. M-20� 0000-0082 (WDID 0303016) <br /> Section 4, T5N, R65W, 6th P.M. <br /> Water Division 1, Water District 3, Weld County <br /> Approval Period: November 1, 2018 through October 31, 2019 <br /> Contact information for Mr. Dains: 303-452-6611;jareddains@appiegateQroup.com <br /> Dear Mr. Dains: <br /> We have received your letter dated November 2, 2018, requesting renewal of the above <br /> referenced substitute water supply plan ("SWSP") in accordance with 5 37-90-137(11), C.R.S., to <br /> cover depletions caused by the East 8th Street Pit sand and gravel mining operation. The current <br /> permittee for the East 81h Street Pit (M-2000-082) is Superior Oilfield Services Co., LTD and the <br /> current operator is Laser Oilfield Service LLC ("Laser" or "Applicant"). This pit was previously <br /> included in the Aggregate Industries Combined SWSP (WDID 0202565) but has been covered under a <br /> separate SWSP since November 1, 2012. The required fee of $257.00 for the renewal of this <br /> substitute supply plan has been submitted (receipt no. 3689169). <br /> SWSP Operation <br /> The East 81h Street Pit (WDID 0303016) is located just east of the City of Greeley in the south <br /> half of Section 4, Township 5 North, Range 65 West of the 6th P.M., as shown on the attached Figure <br /> 1. The west cell of the pit has been fully mined out. Dewatering of the west cell ceased in July 2016 <br /> and was allowed to refill over the following three months (August through October 2016). <br /> Dewatering of the west cell restarted in November 2016, and continued through January 2017. <br /> During February and March of 2017, the water table was below the level of the pit therefore no <br /> pumping was required for dewatering and the pit did not refill with water. The west cell was <br /> dewatered again during April 2017, and was filled during free river conditions in May and June, <br /> eliminating the need to account for an "intermittent fill" of the pit in 2017. Mining and dewatering <br /> operations switched to the east cell in August 2017 and are anticipated to continue at the east cell <br /> throughout this plan period. Depletions at the East 81h Street Pit during this plan period will consist <br /> of evaporation from exposed surface area, water removed in the mined product, water used for dust <br /> control purposes, and ongoing lagged depletions associated with the "intermittent fill" of the west <br /> cell that occurred in 2016. The City of Greeley is the owner of the land on which the East 8th Street <br /> 01 `"r <br /> ,r.. r F •r n,'I ..err, t. � it.,, ;1 ' r-, , ;,r' ,.v. r r.:! . ,r "" �v <br /> r <br /> Y IR7t+` <br />