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Response to Draft Scoping EAW Comments <br />January 9, 2018 <br />Page 10 <br />discussed in SEAW Item 9.a.i. on page 8). They will add value to the ultimate development in the area, as <br />visual amenities, wildlife corridors, and erosion protection within the steep ravines leading toward the River. <br />Response: Project design will minimize impacts to wooded and wetland areas <br />MINNESOTA POLLUTION CONTROL AGENCY COMMENTS <br />1) Item 7 - Cover Types: <br />The table of cover types in this section is lacking entries in the "After" column so it is not possible to determine <br />the changes in cover types as a result of the Project. The MPCA recommends column A be completed in the <br />AUAR. <br />Response: Changes in cover type acreages will be provided in the AUAR. <br />2) Item 11 — Water Resources: <br />• The process to avoid, minimize, and mitigate wetlands is required and specific in -water best management <br />practices must be included in the AUAR. <br />• Also, if a U.S. Army Corps of Engineers 404/MPCA 401 Certification are required, an antidegradation <br />assessment, (Minn. R. 7050.0250 to 7050.0335) may now be needed for the Project. For questions regarding <br />401 Certification, please contact Bill Wilde at 651-757-2825. <br />• The SEAW focuses primarily on post development stormwater controls to be utilized by the project and does <br />not address the temporary stormwater sediment controls as specified in Item 11. ii. required to prevent <br />impacts to area surface waters during construction. Questions regarding Construction Stormwater Permit <br />requirements should be directed to Roberta Getman at 507-206-2629. <br />The following should be included in the AUAR based on the site description and as required in MPCA's <br />National Pollutant Discharge Elimination System/State Disposal System (NPDES/SDS) General Construction <br />Stormwater permit (CSW Permit): <br />a) Ensure down gradient sediment controls are specifically designed for the steep slopes at the Project site <br />to provide adequate runoff protection during construction. <br />b) Minimize the duration of exposed soils by phasing construction of the Project. <br />12800 Whitewater Drive, Suite 300, Minnetonka, MN 55343 1763.476.6010 <br />2401 46th Avenue Southeast, Suite 202, Mandan, ND 58554 1701.204.6845 www.sambatek.com <br />