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d. Recreational use; <br /> e. Shoreline or bank stabilization; and <br /> f. Noteworthiness, including special qualities, such as historic significance, critical habitat for <br /> endangered plants and animals, or others. <br /> This evaluation must also include a determination of whether the wetland alteration being proposed <br /> requires permits, reviews or approvals by other sections of city ordinances or by other local state or <br /> federal agencies including but not limited to watershed districts, state department of natural resources, or <br /> the United States Army Corps of Engineers. <br /> (2) Alterations must be designed and conducted in a manner that ensures only the smallest amount of bare <br /> ground is exposed for the shortest time possible. <br /> (3) Mulches or similar materials must be used, where necessary, for temporary bare soil coverage, and a <br /> permanent vegetation cover must be established as soon as possible. <br /> (4) Methods to minimize soil erosion and to trap sediments before they reach any surface water feature must <br /> be used. <br /> (5) Altered areas must be stabilized to acceptable erosion control standards consistent with the field office <br /> technical guides of the local soil and water conservation districts and the United States Soil Conservation <br /> Service. <br /> (6) Fill or excavated material must not be placed in a manner that creates an unstable slope. <br /> (7) Plans to place fill or excavated material on steep slopes must be reviewed by the city engineer for <br /> continued slope stability and must not create finished slopes of 30 percent or greater. <br /> (8) Fill or excavated material must not be placed in bluff impact zones. <br /> (9) Any alterations below the ordinary high water level of public waters must first be authorized by the <br /> commissioner of the department of natural resources under Minn. Stat. § 103G.245. <br /> (10) Alterations of topography must only be allowed if they are accessory to permitted or conditional uses and <br /> do not adversely affect adjacent or nearby property. <br /> (11) Placement of natural rock riprap, including associated grading of the shoreline and placement of a filter <br /> blanket, is permitted if the finished 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 level, and the height of the riprap <br /> above the ordinary high water level does not exceed three feet. A riprap permit shall be obtained per the <br /> requirements of section 78-969. <br /> (f) Excavations where the intended purpose is connection to a public water, such as boat slips, canals, <br /> lagoons and harbors, are prohibited above the ordinary high water level. Such excavations below the elevation or the <br /> ordinary high water level are subject to approval of the department of natural resources and other agencies with <br /> concurrent jurisdiction. <br /> (Ord. No. 101 2nd series, § 1(10.56(16)(J)), 2-24-1992; Ord. No. 127 2nd series, § 8, 7-11-1994; Ord. No. 163 2nd series, <br /> § 3, 12-8-1997; Ord. No. 171 2nd series, § 2, 4-4-1998; Ord. No. 28 3rd series, § 17, 8-22-2005) <br /> Sec. 78-1288. Hard cover limitations. <br /> (a) Hardcover allotment. The following hardcover restrictions apply to all properties in the Shoreland Overlay <br /> District: <br /> (1) Hardcover zones. <br /> a. Within 75 feet of the Ordinary High Water Level (OHWL) of any lake or tributary, no hard cover or <br /> impervious surface shall be placed, located or constructed, except for driveways, stairways, lifts, <br /> landings and lockboxes as regulated elsewhere in this Code. <br /> b. Between 75 feet and 250 feet of the OHWL, there shall be no greater than 25 percent hardcover. <br /> City Code Excerpts Page 2 of 4 <br />