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RECEIVED <br />COLORADO APR 29ZO11 <br />Division of Water Resources bXiSION OF RECLAMATION <br />Department of Natural Resources MINING AND SAFETY <br />Office of the State Engineer <br />1313 Sherman St, Suite 818 <br />Denver, CO 80203 <br />Response to Financial Warranty Reduction Request Consideration <br />DATE: April 28, 2015 <br />TO: Amy Eschberger, Environmental Protection Specialist <br />CC: Division 2 Office; District 67 Water Commissioner <br />FROM: Caleb Foy, P.E. <br />RE: West Farm Pit, File No. M- 2008 -078 <�-�' <br />Operator: GP Aggregates , —CLC <br />Contact: Karl Nyquist <br />Sec. 33, Twp. 22S, Rng. 46W, 61h P.M., Prowers County <br />CONDITIONS FOR APPROVAL <br />® If stormwater is contained on -site, it must infiltrate into the ground or be released to <br />the natural stream system within 72 hours, or all work must cease until a substitute <br />water supply plan, or augmentation plan approved by water court, is obtained. <br />Reclamation plans must ensure water will not be retained onsite for more than 72 <br />hours unless an augmentation plan approved by water court is obtained. <br />® The proposed operation will consume ground water by: ® evaporation, ® dust <br />control, ❑ reclamation, ® water removed in the mined product, ❑ processing, ❑ <br />other:. <br />West Farm Pit must operate in accordance with the conditions of approval of well <br />permit no. 75864 -F and any associated substitute water supply plan (currently pending <br />with this office). <br />® In accordance with the February 16, 2015 slurry wall approval letter from the Division <br />2 Engineer's Office, the applicant must account for all water inflows and outflows <br />to /from the slurry wall site, and provide such accounting to the Division 2 Engineer's <br />Office on a monthly basis. <br />® For any area of exposed ground water occurring outside of the boundaries of the slurry <br />wall approved by the Division 2 Engineer's Office on February 16, 2015, the applicant <br />must continue to demonstrate compliance in accordance with the April 30, 2010 letter <br />from the Colorado Division of Reclamation, Mining, and Safety regarding replacement <br />of long term injurious stream depletions. <br />COMMENTS: N/A <br />COt��' <br />e <br />1313 Sherman Street, Room 821, Denver, CO 80203 P 303.866.3581 F 303.866.3589 www.water.state.co.us o <br />* <br />1 876 <br />