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I I I I I I I I I I I I I I I I I I 6) 7) 8) -8- Existing topography as indicated on a contour map having a contour intervals of one foot - on a 0% to 3% slope, two feet - on a 3% to 10% slope, and 5 feet - on a 10% or greater slope; the topography map shall also clearly delineate any bluff line, all streams, including intermittent streams and swales, rivers, water bodies and wetlands located on the site, including depth of water, bottom slope, a description of body materials and all vegetation which may be found in the water body, a statement of water turbidity, a statement of water quality, and a classification given to the water body by the Minnesota Department of Natural Resources and the Minnesota PCA, if any. The topography map shall indicate the floodway and/or flood fringe lines and shall indicate the normal high water mark of the river. A plan delineating existing drainage of the water setting forth in which direction the volume and at what rate storm water is conveyed from the site and setting forth those areas of the site where storm water collects and is gradually percolated into the ground or slowly released to stream or lake. The quality of water runoff and water infiltrated to the water table or aquifer shall be as high after development as its was before development of the site. A description of the soils of the site including a map indicating soil types by areas to be disturbed as well as a soil report prepared by a soil scientist containing information on the suitability of the soils for the type of development proposed and for the type' of sewage disposal by the developer to render the soils suitable. All areas proposed and describing any remedial steps to be taken by the developer to render the soils suitable. Ail areas proposed for grading shall be 'identified by soil type, both as to soil type of existing top soil and soil type of the new contour. The location and extent of any eros~ion areas shall be indicated. A description of the flora and fauna which occupy the site and are occasionally found thereon, setting forth with detail those areas where unique plant or animal species may be found on the site. A description of any features, buildings or areas which are of historic significance. A map indicating proposed finished grade showing contours at the same intervals as provided above or as required to clearly indicate the relationship of proposed changes to existing topography and remaining features.