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Ak <br />AVCOLORADO <br />Division of Water Resources <br />Department of Natural Resources <br />1313 Sherman Street, Room 821 <br />Denver, CO 80203 <br />4esponse to Reclamation Permit Amendment Application Consideration <br />DATE: August 13, 2014 R L- 1. <br />TO: Peter S. Hays, Environmental Protection Specialist <br />CC: Division 1 Office, District 3 Water Commissioner AUG 14 <br />FROM: Sarah Brucker, P.E. <br />I Divlsie, e, <br />Mining & 5-., _ <br />RE: Greeley 35th Ave Pit, File No. M -19^ 77-03 <br />Operator: Martin Marietta Materials, Inc. <br />Contact: Jeremy Deuto, GEI Consultants, Inc., (970) 224.7374 <br />Sections 34 Ft 35, Twp 6 North, Rng 66 West, 6th P.M., Weld County <br />CONDITIONS FOR APPROVAL <br />® The proposed operation will consume ground water by: ® evaporation from exposed surface <br />area, ® dust control, ® water removed in the mined product, ® concrete production, ❑ <br />other: <br />COMMENTS: The Greeley 35th Ave Pit (WDID 0303022) is an existing surface mining operation on 381.38 <br />permitted acres near Greeley, Colorado. The primary commodities mined at the site are sand, gravel, <br />and aggregate for construction materials. The subject application seeks an amendment to change the <br />post - mining land use of approximately 130 acres of the western portion of the site, known as the West <br />Pit, to developed water resources. The remaining 251 acres within the permit boundary outside of the <br />West Pit area will be reclaimed according to the existing permit reclamation plan. <br />The West Pit is proposed to be lined with a slurry wall. Slurry wall construction is anticipated to occur <br />from July 2014 to October 2014, with a leak test to be performed from October 2014 to January 2015, <br />The completed reservoir is proposed to be used as a water augmentation reservoir. <br />Depletions from mining operations at this site were most recently included in the Greeley 35th <br />Ave /Iverson Combined Substitute Water Supply plan which expired on May 31, 2013. The Applicant <br />submitted a request for renewal of this substitute water supply plan to cover depletions at the Greeley <br />35th Ave Pit on May 24, 2013; however this office has been unable to approve this request to date. <br />Due to the lack of inclusion of the Greeley 35th Ave Pit in a substitute water supply plan approved by the <br />State Engineer or a plan for augmentation decreed by the Water Court, this office is unable to comment <br />favorably on the proposed amendment. The applicant may contact the State Engineer's Office with any <br />questions. <br />1313 Sherman Street, Room 821, Denver, CO 80203 P 303.866.3581 F 555.555.5555 www.water,state.co.us <br />' pF COLD <br />e <br />o <br />