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31 Revised 10/03/2019 Ordinance Language Commentary 9.5 Information requirements. 9.51 Topographic contours at ten-foot intervals or less from United States Geological Survey maps or more current sources, showing limiting site characteristics; 9.52 The surface water features required in Minnesota Statutes, section 505.021, Subd. 1, to be shown on plats, obtained from United States Geological Survey quadrangle topographic maps or more current sources; 9.53 Adequate soils information to determine suitability for building and sewage treatment capabilities for every lot from the most current existing sources or from field investigations such as soil borings, percolation tests, or other methods; 9.54 Information regarding adequacy of domestic water supply; extent of anticipated vegetation and topographic alterations; near-shore aquatic conditions, including depths, types of bottom sediments, and aquatic vegetation; and proposed methods for controlling stormwater runoff and erosion, both during and after construction activities; 9.55 Location of 100-year flood plain areas and floodway districts from existing adopted maps or data; and 9.56 A line or contour representing the ordinary high water level, the “toe” and the “top” of bluffs, and the minimum building setback distances from the top of the bluff and the lake or stream. 9.6 Dedications. When a land or easement dedication is a condition of subdivision approval, the approval must provide easements over natural drainage or ponding areas for management of stormwater and significant wetlands. 9.7 Platting. All subdivisions that cumulatively create five or more lots or parcels that are 2-1/2 acres or less in size shall be processed as a plat in accordance with Minnesota Statutes, Chapters 462.358 Subd. 3a (cities) and 505. No permit for construction of buildings or sewage treatment systems shall be issued for lots created after the adoption of this ordinance unless the lot was previously approved as part of a formal subdivision. 9.8 Controlled Access Lots. Controlled access lots within a subdivision must meet or exceed the lot size criteria in Section 6.33 of this ordinance. 10.0 PLANNED UNIT DEVELOPMENTS (PUDs) 10.1 Purpose. To protect and enhance the natural and scenic qualities of shoreland areas during and after development and redevelopment of high density residential and commercial uses. 10.2 Types of PUDs Permissible. Planned unit developments (PUDs) are allowed for new projects on undeveloped land, redevelopment of previously built sites, or conversions of existing buildings and land. Deviation from the minimum lot size standards of Section 6.2 of this ordinance is allowed if the standards in this Section are met. 9.51. In addition to paper based topographic information, MnTOPO is a web-based application for viewing, printing and downloading high-resolution elevation data. It can also be used to generate elevation profiles for locating bluffs, watershed boundaries or other topographical features of interest. 9.7. Optional. “Cumulatively” is recommended to close a loophole where a parcel is subdivided at different times, each time creating fewer than 5 parcels to avoid the requirement to plat. Both Minnesota Statutes, sections 462 and 394 say official controls are to provide for “orderly” development. Applying this provision cumulatively to parcels supports this purpose. 10.0 Shoreland PUDs require a conditional use permit (CUP) and are best thought of as a conditional use to allow higher density in shoreland areas. Provisions in this section are conditions of approval that are required to approve a Shoreland PUD (CUP) and cannot be weakened through the negotiation process of a local government’s general PUD ordinance.