2008-07-10_PERMIT FILE - M2008006 (5)

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Mr. Peter Hays II -Re. SerFer Pit, Adequacy Letter Respo se July 9, 2008 Page 5 of 7 . installed to monitor impacts that may affect registered :and unregistered wells and vegetation on both sides on the river. Two monitorin Lls will be " laced on the One well will be located g p property. near the southwestern corner of the property. A second well will generally be placed south of the proposed site access road along 'the eastern edge of the property. The Mining -Plan map has, been revised" to: show the- proposed monitoring well locations. Construction details are included in the mitigation plan. The Mining Plan map is included as Exhibit D.3.. The mitigation plan is included in Exhibit G.10 II _ , 13. Please identify all cottonwood groves in the wildlife corridor and ,within the boundaries of potential offsite groundwater impacts to help assure adequate monitoring is in place. A site -visit identified a cottonwood grove in the Southwestern corner of the mining site. The Mining Plan map has been revised to show the approximate location of the cottonwood grove. A monitoring, well will be placed, in the vicinity of the cottonwood grove.. .14. The applicant states that the registered alluvial wells :within 600- feet were identified based on SEO records. Were field inspections conducted to identify ALL wells within 600 feet? Please revise the exhibits 'to depict the actual locations of the alluvial wells. Will any wells beyond the 600 foot radius be affected by the mining operations? On May 15, 2008, a 600-foot spacing field inspection was performed with Mark. Simpson, the Deputy Water Commissioner for District 2. The inspection revealed one well within 600 feet of the SerFer Pit property boundary. Well Permit No. '244775, is a domestic well owned by Mr. Clement McNaney -and is located east of the SerFer Pith property. Mr. Simpson did not identify 'any additional wells within 600, ft. Revised Exhibits G=1, G-2, and G-3 showing the- location of the McNaney Well (Well ID #8) are included as Exhibit G.14. Wells outside the 600- -foot radius may be affected by the mining operation.' Monitoring wells will be installed to insure that wells within close proximity to the SerFer. Pit site are not adversely affected by the, mining operation.... 15. Please depict the locatio I.on a ma where mine water will be discharged. If mine- water is discharged into a ditch or other man-made structure, please provide consent to discharge water into this structure??. If water is discharged into a ditch that is unlined. It may be ; prone to erosion, if the discharge rates exceed the carrying- capacity of the- ditch: - The -applicant should submit documentation to the Division for review as to the .proposed maximum discharge rate into the ditch and specifications as to how.much water the ditch can carry without experiencing erosion. A discharge. perniit a lication will be submittedprior to dischar e.. The-Permit pp g will authorize the point of discharge. The discharge point will be located on the