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17c: The project operates under Colorado Department of Public Health and <br />Environment, Water Quality Control Division; CDPS permit COR341468 <br />Stormwater Discharges Associated with Sand & Gravel Mining and Processing. <br />The required Stormwater Management Plan includes surface water and runoff <br />management control structures that divert surface water into dewatering <br />trenches. Perimeter berms prevent surface flow from leaving the site and divert <br />the flow to the stormwater trenches or recharge areas. All processing <br />equipment, extraction equipment, stockpiles and other pollution sources operate <br />and are stored within the perimeter bermed area. <br />Mr. Bill Schenderlein of Blue Earth Solutions, LLC performed a hydrogeology <br />evaluation of the project and surrounding area. The radius of influence ranges <br />from 3,300 feet for activity in Phase I to 3,500 feet in Phase III. Because Phase <br />II is adjacent to the Arkansas River and south of lined structures in Phase I, <br />dewatering impacts will not extend beyond the permit boundary. Please refer to <br />the full report in Appendix A. <br />Item 18 and 19: Project water requirements and sources are provided in Table 2. <br />Table 2: Project Water Requirements and Sources <br />Project Water <br />Flow rate <br />Volume* <br />Water Source <br />Requirement <br />(acre - <br />feet <br />Mining operation <br />Dust control <br />0.31 <br />UAWCD * * /AGUA * ** <br />Production <br />2.94 <br />UAWCD ** /AGUA * ** <br />Evaporative loss on 8 <br />31.26 <br />UAWCD ** /AGUA * ** <br />acres <br />Reclamation <br />31.26 <br />AGUA * ** <br />Evaporative loss on 8 <br />acres <br />*Deere & Ault Substitute Water Supply Plan Amendment May 31, 2013 <br />* *Upper Arkansas Water Conservancy District <br />** *Arkansas Groundwater Users Association <br />Item 20: Permitted wells within 600 feet of the permit boundary are provided in Table 3 <br />and identified on Exhibit C. <br />Item 21: Fremont understands the Division will require mitigation of all impacts to <br />permitted wells within the radius of influence. <br />Item 22: Figure 7 of Blue Earth Solution's Hydrogeology report identifies proposed <br />monitoring well locations. Monthly water levels will be submitted with the annual <br />report. <br />6.4.12 Exhibit L: Reclamation Costs <br />Item 23: The estimated cost of interim reclamation of Parcels 1, 2, 3 and 4 is provided in <br />Table 4. SSQ commits to submitting a technical revision application to provide <br />details required for determination of final reclamation costs prior to completion of <br />interim reclamation. <br />Er-nq V irronrn�e�lica �p� WrrnaLLi ii\V /eS nc„ <br />Page 4 of 7 1107 Main Street, Canon City, CO 81212 <br />www.envalternatives.com • e -mail: eai @bresnan.net <br />Phone: 719 - 275 -8951 • Fax: 719 - 275 -1715 <br />