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<br />(f) noteworthiness, including special qualities such as historic <br />significance, critical habitat for endangered plants and animals, or <br />others. <br />*This evaluation must also include a determination of whether the <br />wetland alteration being proposed requires permits, reviews, or <br />approvals by other local, state, or federal agencies such as a <br />watershed district, the Minnesota Department of Natural <br />Resources, or the United States Army Corps of Engineers. The <br />applicant will be so advised. <br /> <br /> <br />(2) Alterations must be designed and conducted in a manner that ensures <br />only the smallest amount of bare ground is exposed for the shortest time <br />possible; <br /> <br />(3) Mulches or similar materials must be used, where necessary, for <br />temporary bare soil coverage, and a permanent vegetation cover must be <br />established as soon as possible; <br /> <br />( 4) Methods to minimize soil erosion and to trap sediments before they <br />reach any surface water feature must be used; <br /> <br />(5) Altered areas must be stabilized to acceptable erosion control standards <br />consistent with the field office technical guides of the local soil and water <br />conservation districts and the United States Soil Conservation Service; <br /> <br />(6) Fill or excavated material must not be placed in a manner that creates <br />an unstable slope; <br /> <br />(7) Plans to place fill or excavated material on steep slopes must be <br />reviewed by qualified professionals for continued slope stability and must <br />not create finished slopes of 30 percent or greater; <br /> <br />(8) Fill or excavated material must not be placed in bluff impact zones; <br /> <br />(9) Any alterations below the ordinary high water level of public waters <br />must first be authorized by the commissioner under Minnesota Statutes, <br />section 105.42; <br /> <br />(10) Alterations of topography must only be allowed if they are accessory <br />to permitted or conditional uses and do not adversely affect adjacent or <br />nearby properties; and <br /> <br />(11) Placement of natural rock riprap, including associated grading of the <br />shoreline and placement of a filter blanket, is permitted if the finished <br />slope does not exceed three feet horizontal to one foot vertical, the <br />landward extent of the riprap is within ten feet of the ordinary high water <br /> <br />DNR Model Ordinance Excerpts <br /> <br />2 <br />