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hv <br />[•I <br />r <br />I.- <br />k:'- <br />must conform to ail other official controls adopted by local <br />90vernments under parts 6120.2500 to 6120.3900. Local <br />governments must not approve subdivisions that are designed so <br />variances from one or more standards in official controls would <br />be needed to use the lots for their intended purpose. In areas <br />not served by publicly owned sewer and water systems, <br />subdivisions must not be approved by local governments unless <br />domestic water supply is available and soil absorption sewage <br />treatment can be provided for every lot. A lot shall meet the <br />minimum lot size in part 6120.3300, subparts 2a and 2b, <br />including at least a minimum contiguous lawn area, that is free <br />of limiting factors (location and type of water supply, soil <br />type, depth to groundwater or impervious layer, slope, flooding <br />potential, and other limiting factors), sufficient for the <br />construction of two standard soil treatment systems. Lots that <br />would require use of holding tanks must not be approved. <br />Subp. 4. Information requirements. Subdivision controls <br />must require submission of adequate information to make a <br />determination of land suitability under subpart 1. The <br />information shall include at least the following: <br />A. topographic contours at ten-foot intervals or less <br />from United States Geological Survey maps or more accurate <br />sources, showing limiting site characteristics; <br />B. the surface water features required in Minnesota <br />Statutes, section 303.02, subdivision 1, to be shown on plats, <br />obtained from United States Geological Survey quadrangle <br />topographic maps or more accurate sources; <br />C. adequate soils information to determine <br />suitability for building and on-site sewage treatment <br />capabilities for every lot from the most current existing <br />sources or from field investigations such as soil borings, <br />percolation tests, or other methods; <br />D. information regarding adequacy of domestic water <br />supply: extent of anticipated vegetation and topographic <br />alterations; near-shore aquatic conditions, including depths, <br />types of bottom sediments, and aquatic vegetation; and proposed <br />methods for controlling stormwater runoff and erosion, both <br />during and after construction activities; and <br />E. location of 100-year flood plain areas from <br />existing maps or data. <br />Subp. 5. Dedications. If local governments require land <br />or easement dedications, they must provide easements over <br />natural drainage or ponding areas for management of stormwater <br />anu significant wetlands. <br />MS s 105.485 <br />A-1.36 <br />- -