Grading and filling in of the natural topography which is not accessory to a permitted or conditional use shall not be permitted in the land use district. Grading and filling in of the natural topography which is accessory to a permitted or conditional use shall be performed in a manner which minimizes earth moving, erosion, tree clearing, and the destruction of natural amenities and shall be controlled by the local ordinance.
Grading and filling in of the natural topography shall also meet the following standards:
the smallest amount of bare ground is exposed for as short a time as feasible;
temporary ground cover, such as mulch, is used and permanent ground cover, such as sod, is planted;
methods to prevent erosion and trap sediment are employed; and
fill is stabilized to accepted engineering standards.
Excavation of material from, or filling in a wild, scenic, or recreational river, or construction of any permanent structures or navigational obstructions therein is prohibited, unless authorized by a permit from the commissioner pursuant to Minnesota Statutes, section 103G.245.
No state or local authority shall authorize the drainage or filling in of wetlands within wild, scenic, or recreational river land use districts.
June 11, 2008