FINAL ORDINANCE NO. 80-84 - Laserfiche WebLink

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Obstruction - any dam, wall, wharf, embankment, levee, dike, pile, abutment, projection, excavation, channel modification, culvert, building, wire, fence, stockpile, refuse, fill, structure, ormatterin, along, across, or projecting into any channel, water- course, or regulatory floodplain which may impede, retard, or change the direction of the flow of water, either in itself or by catching or collecting debris carried by such water. Principal Use or Structure - means all uses or structures that are not accessory uses or structures. Reach - a hydraulic engineering term to describe a longitudinal segment of a stream or river influenced by a natural or man-made obstruction. In an urban area, the segment of a stream or river between two consecutive bridge crossings would most typicallyconstituteareach. Regional Flood - a flood which is representative of large floods known to have occurred generally in Minnesota and reasonably characteristic of what can be expected to occur on an average frequency in the magnitude of the 100 -year recurrence interval. Regional flood is synonymous with the term "base flood" used in the Flood Insurance Study. Regulatory Flood Protection Elevation - The Regulatory Flood Protection Elevation shall be an elevation no lower than one foot above the elevation of the regional flood plus any increases in flood elevation caused by encroachments on the floodplain that result from designation of a floodway. Structure - anything constructed or erected on the ground or attached to the ground or on-site utilities, including, but notlimitedto, buildings, factories, sheds, detached garages, cabins, manufactured homes and other similar items. Variance - means a modification of a specific permitted development standard required in this ordinance to allow an alternative development standard not stated as acceptable in the official control, but only as applied to a particular property for the purpose of alleviating a hardship as defined in Section 301.060 C. Economic considerations alone shall not constitute a hardship. SECTION 303.040 ESTABLISHMENT OF FLOODPLAIN DISTRICT A. Designation of the Floodplain District: The Flood Insurance Study for the City of Lake Elmo prepared by the FEMA and dated January, 1979 and the Flood Boundary and Floodway Map and FloodInsuranceRateMap, both dated July 2, 1979 (hereinafter referred to as the "Official Maps") contained therein are hereby adopted byreferenceanddeclaredtobeapartofhisordinance. The Flood Insurance Study shall be on file in the office of the City Clerk. The Floodplain District for the City of Lake Elmo shall include those areas which lie within the 100 -year Flood Boundary on theFloodInsuranceRateMapdatedJuly2, 1979. 4