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• • • Flood Plain Management EQUAL DEGREE OF ENCROACHMENT. A method of determining the location of floodway boundaries so that flood plain lands on both sides of a stream are capable of conveying a proportionate share of flood flows. FLOOD. A temporary increase in the flow or stage of a stream or in the stage of a wetland or lake that results in the inundation of normally dry areas. FLOOD FREQUENCY. The frequency for which it is expected that a specific flood stage or discharge may be equaled or exceeded. FLOOD PLAIN. The beds proper and areas adjoining a wetland, lake or watercourse which have been or hereafter may be covered by the regional flood. FLOOD - PROOFING. A combination of structural provisions, changes, or adjustments to properties and structures subject to flooding, primarily for the reduction or elimination of flood damages. OBSTRUCTION. Any dam, wall, wharf, embankment, levee, dike, pile, abutment, projection, excavation, channel modification, culvert, building, wire, fence, stockpile, refuse, fill, structure, or matter in, along, across, or projecting into any channel, watercourse, or regulatory flood plain which may impeded, retard, or change the direction of the flow of water, either in itself or by catching or collecting debris carried by the water. 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. An elevation no lower than 1 foot above the elevation of the regional flood plus any increases in flood elevation caused by encroachments on the flood plain that result from designation of a floodway. VARIANCE. A modification of the strict provisions of this chapter as applied to a specific piece of property in order to provide relief for a property owner because of undue hardship imposed upon the property by this chapter. A VARIANCE shall normally be limited to height, density and yard requirements. A modification in the allowable uses within a district shall not be considered a VARIANCE. (Ord. 12 -95, passed 7 -25 -1995) § 1103.04 ADMINISTRATION. (1) Zoning Administrator. (a) The Zoning Administrator shall administer and enforce this chapter.