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7/21/2017 Chapter 13 - Zoning Code http://library.amlegal.com/alpscripts/get-content.aspx 10/17 methodology with the respective Department of Natural Resources' Area Hydrologist prior to commencing the analysis. Subd. 3 Once the 1% annual chance flood elevation (100-year flood elevation) has been determined, the Zoning Administrator shall process the permit application consistent with the applicable provisions of this Section. 1335.18 Subdivisions. Subd. 1 Review Criteria. No land shall be subdivided which is unsuitable for the reason of flooding, inadequate drainage, water supply or sewage treatment facilities. All lots within the flood plain districts shall be able to contain a building site outside of the Floodway District at or above the Regulatory Flood Protection Elevation. All subdivisions shall have water and sewage treatment facilities that comply with the provisions of this Section and have road access both to the subdivision and to the individual building sites no lower than two (2) feet below the Regulatory Flood Protection Elevation. For all subdivisions in the flood plain, the Floodway and Flood Fringe boundaries, the Regulatory Flood Protection Elevation and the required elevation of all access roads shall be clearly labeled on all required subdivisions drawings and platting documents. Subd. 2 Floodway/Flood Fringe Determinations in the General Flood Plain District. In the General Flood Plain District applicants shall provide the information required to determine the one hundred (100) year flood elevation, the Floodway and Flood Fringe District boundaries and the Regulatory Flood Protection Elevation for the subdivision site. Subd. 3 Removal of Special Flood Hazard Area Designation. The Federal Emergency Management Agency (FEMA) has established criteria for removing the special flood hazard area designation for certain structures properly elevated on fill above the one hundred (100) year flood elevation. FEMA's requirements incorporate specific fill compaction and side slope protection standards for multi-structure or multi-lot developments. These FEMA standards should be investigated prior to the initiation of site preparation if a change of special flood hazard area designation will be requested. 1335.19 Public Utilities, Railroads, Roads, and Bridges. Subd. 1 All public utilities and facilities such as gas, electrical, sewer, and water supply systems to be located in the flood plain shall be flood proofed in accordance with the State Building Code or elevated to above the Regulatory Flood Protection Elevation. Subd. 2 Public Transportation Facilities. Railroad tracks, roads, and bridges to be located within the flood plain shall comply with this code. Elevation to the Regulatory Flood Protection Elevation shall be provided where failure or interruption of the transportation facilities would result in danger to the public health or safety of where such facilities are essential to the orderly functioning of the area. Minor or auxiliary roads or railroads may be constructed at a lower elevation where failure or interruption of transportation services would not endanger the public health or safety. Subd. 3 On-Site Sewage Treatment and Water Supply Systems. Where public utilities are not provided: A. On-site water supply systems shall be designated to minimize or eliminate infiltration of flood waters in the systems; and B. New or replacement on-site sewage treatment systems shall be designed to minimize or eliminate infiltration of flood waters into the systems and discharges from the systems into flood waters and they shall not be subject to impairment of contamination during times of flooding. Any sewage treatment system designed in accordance with the State's current statewide standards for on-site sewage treatment systems shall be determined to be in compliance with this Section. Dr a f t 11 / 2 0 / 2 0 1 7