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Anderson, CUP Page 2 <br /> April 26, 1994 <br /> • <br /> District were all notified of this proposal. At the time this memo was <br /> written, the DNR and the Soil & Water Conservation District have replied. <br /> Attached is a copy of their response for your review. No permits will be <br /> required from either the DNR or the Soil & Water Conservation District. I <br /> will update the Planning Commission regarding the response from the Army <br /> Corps of Engineers, if available, at Tuesday night's meeting. <br /> EROSION CONTROL <br /> It is important to avoid erosion by making sure all disturbed areas be planted <br /> with ground cover sufficient to contain the soil. Ground cover should be <br /> tended as necessary until it is self sustaining, thereby reducing the chance <br /> for excavated material to flow back into the wetland and degrade water <br /> quality. Silt fencing should be used along the wetland boundaries until the <br /> existing vegetation has a chance to take hold. <br /> DRAINAGE <br /> Terry Maurer, City Engineer, did not feel drainage would be a problem as <br /> long as the excavated material would not be placed in an area which could <br /> • disrupt existing drainage patterns. <br /> SLOPES <br /> According to Elk River City Code, slopes can not be any steeper than 4 feet <br /> horizontal to one foot vertical. For safety purposes, this is especially true of <br /> excavated ponds. The actual depth of the pond should not be greater than 4 <br /> to 5 feet to ensure that this pond will be safe in a residential area while <br /> providing beneficial wildlife habitat. The outer edge of the excavated pond <br /> should also be irregular, as this is enhancement for various types of wildlife. <br /> EXCAVATED MATERIAL <br /> All the excavated material will remain on site and be used for landscaping <br /> purposes near the home. The 1991 Wetland Conservation Act prohibits any <br /> of the excavated material to be placed back within the wetland boundaries, <br /> therefore, all excavated material must be removed from the wetland itself. <br /> RECOMMENDATION <br /> Staff is recommending approval of the request by Brian Anderson to excavate <br /> • approximately 5,000 cubic yards of black dirt from a wetland to enhance <br /> wildlife viewing with the following conditions: <br /> anderson.planning <br />