Wetland investigation report-2013

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Anderson Engineering of MN. LLC. Bren Homes-Wetland Investigalion#13499 April 30,2013 Conclusion One Type 3, PEMC, shallow marsh totaling approximately 0.04 acres was identified within the residential parcel located at 475 Oxford Road, Orono, Minnesota. Wetlands in the project area are regulated by several agencies at the local, State, and/or federal level. Activities which may potentially impact those wetlands identified within this report should be discussed in advance with the appropriate regulating agency in regards to potential permit requirements. The Local Government Unit (LGU) responsible for implementing the Minnesota Wetland Conservation Act at this project location is the Minnehaha Creek Watershed District. Any activity for which a permit is required under this Wetland Protection Rule, that increases the imperviousness of the subject parcel must provide for buffer adjacent to each wetland and public waters wetland. To the extent the buffer requirement applies to a proposed New Principal Residential Structure, it will be applied in accordance with protections afforded a zoning nonconformity under state law so as not to unduly restrict the proposed action. Buffer must be provided on that part of the wetland edge that is down gradient from the activity or construction and around each wetland that will be disturbed. The Base Buffer Width shall be determined by the management class of the wetland as evaluated by the DistricYs Functional Assessment of Wetlands or by the current version of the Minnesota Routine Assessment Method (MnRAM). Management Class Base Buffer Width Minimum Applied Buffer Width Manage 3 20 feet 16 feet Manage 2 30 feet 24 feet Manage 1 40 feet 34 feet Preserve 75 feet 67 feet Buffer vegetation shall not be cultivated, cropped, pastured, mowed, fertilized, subject to the placement of mulch or yard waste, or otherwise disturbed, except for periodic cutting or burning that promotes the health of the buffer. Pesticides and herbicides may be used in accordance with Minnesota Department of Agriculture rules and guidelines. No new structure or hard surface shall be placed within a buffer. No fill, debris or other material shall be excavated from or placed within a buffer. Buffer areas, or portions thereof, that are not vegetated or will be disturbed by grading activities during construction, shall be replanted and maintained. 6 q E