Agenda - Council Work Session - 02/23/2021

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41 MINNESOTA RULES 6115.0215 B. to remove or grade an ice ridge, if all of the following conditions are met: (1) the ice ridge resulted from ice action within the last year; (2) the project is either exempt from local permits or is authorized by issuance of a local government permit; (3) the total length of shoreline zone to be affected does not exceed 200 feet; (4) all ice ridge material that is composed of muck, clay, or organic sediment is deposited and stabilized at an upland site above the ordinary high water level of any public water; (5) all ice ridge material that is composed of sand or gravel is removed as provided in subitem (4) or graded to conform to the original cross-section and alignment of the lakebed, with a finished surface at or below the ordinary high water level; (6) no additional excavation or placement of fill material occurs on the site; (7) all exposed areas are immediately stabilized as needed to prevent erosion and sedimentation; and (8) local zoning officials, the watershed district, if applicable, and the soil and water conservation district are given seven days' prior notice; C. to construct, reconstruct, or abandon a water level control structure on a public watercourse with a contributing watershed of 300 acres or less, except on officially designated trout streams, if the structure does not qualify as a dam under parts 6115.0300 to 6115.0520; D. to excavate or place fill for the purpose of planting or collecting native aquatic plants for restoration purposes, if the work is authorized by an aquatic plan management permit; and E. to install natural rock riprap and associated filter materials where there is a demonstrated need to prevent erosion or to restore eroded shoreline, when there is a demonstrated need for such work, except along the shores of Lake Superior and officially designated trout streams, if: (1) the rock is sized appropriately with the erosion potential of the wave or current action of the particular water body, but in no case shall the rock average less than six inches in diameter or more than 30 inches in diameter; (2) the rock is placed so that it conforms to the natural alignment of the shoreline zone; (3) the finished slope, as measured on top of the rocks, is not steeper than three to one (horizontal to vertical); (4) no materials are placed more than six feet waterward of the ordinary high water level, unless the commissioner determines that this dimension may be measured from another point due to the particular nature of water levels of the public water; (5) the total length of shoreline to be affected does not exceed 200 feet for public waterbasins or public water wetlands or five times the width of the public watercourse measured at bank full conditions; Copyright © 2019 by the Revisor of Statutes, State of Minnesota. All Rights Reserved.