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6120.3300 Minnesota Rule Page 10 of 13 (c)fish and wildlife habitat; (d)recreational use; (e) shoreline or bank stabilization; or (f)noteworthiness, including special qualities such as historic significance, critical habitat for endangered plants and animals, or others. This evaluation must also include a determination of whether the wetland alteration being proposed requires permits, reviews, or approvals by other local, state, or federal agencies such as a watershed district, the Minnesota Department of Natural Resources, or the United States Army Corps of Engineers. (2)Alterations must be designed and conducted in a manner that ensures only the smallest amount of bare ground is exposed for the shortest time possible. (3)Mulches or similar materials must be used, where necessary, for temporary bare soil coverage, and a permanent vegetation cover must be established as soon as possible. (4)Methods to minimize soil erosion and to trap sediments before they reach any surface water feature must be used. (5)Altered areas must be stabilized to acceptable erosion control standards consistent with the field office technical guides of the local soil and water conservation districts and the United States Soil Conservation Service. (6)Fill or excavated material must not be placed in a manner that creates an unstable slope. (7)Plans to place fill or excavated material on steep slopes must be reviewed by qualified professionals for continued slope stability and must not create finished slopes of 30 percent or greater. (8)Fill or excavated material must not be placed in bluff impact zones. (9)Any alterations below the ordinary high water level of public waters must first be authorized by the commissioner under Minnesota Statutes, sections 103G.245 and 103G.405. (10)Alterations of topography must only be allowed if they are accessory to permitted or conditional uses and do not adversely affect adjacent or nearby properties. (11)Placement of natural rock riprap, including associated grading of the shoreline and placement of a filter blanket, is permitted if the finished slope does not exceed three feet horizontal to one foot vertical, the landward extent of the riprap is within ten feet of the ordinary high water level, and the height of the riprap above the ordinary high water level does not exceed three feet. C. Connections to public waters. Excavations where the intended purpose is connection to a public water, such as boat slips, canals, lagoons, and harbors, must be controlled by local shoreland controls. Permission for excavations may be given only after the commissioner has approved the proposed connection to public waters. Subp. 5. Placement and design of roads, driveways, and parking areas.Public and private roads, driveways, and parking areas must be designed to take advantage of natural vegetation and topography to achieve maximum screening from view from public waters. They must be designed and constructed to minimize and control erosion to public waters consistent with the field office https://www.revisor.mn.gov/rules/?id=6120.3300 5/1/2012