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11-26 <br /> dredging, filling, grading, paving, • <br /> - excavation or drilling operations, and the construction of streets) is <br /> deposition of materials. completed before the effective date of <br /> flood plain management regulations <br /> (ia) Drainage System. One or more adopted by a community. <br /> p artificial ditches, tile drains or similar <br /> devices which collect surface runoff or. (n) Flood or Flooding. A general and <br /> groundwater and convey it to a point of temporary condition of partial or <br /> discharge. complete inundation of normally dry land <br /> (j) °Encroachment. An encroachment is areas from the overflow of inland waters <br /> any. fill, structure, building, accessory or the unusual and rapid accumulation of <br /> -- use, use or development in the floodway. runoff of surface waters from any <br /> source. <br /> (k) Encroachment/Floodway Lines. (o) Flood Fringe. The flood fringe is <br /> Encroachment lines are limits of that portion of the flood plain outside of <br /> obstruction to flood flows. These lines the floodway, which is covered by flood <br /> 1 are on both sides of and generally waters during the regional flood; it is <br /> parallel to the stream. The lines are <br /> established by assuming that the area generally associated with standing water <br /> I !, landward (outside) of the encroachment rather than rapidly flowing water. <br /> lines will be ultimately developed in such (p) Flood Hazard Boundary Map. -A map <br /> a way that it will not be available to prepared by the U.S. Department of <br /> ' I' convey flood flows. Housing and Urban Development, <br /> designating areas of special flood hazard <br /> (1) Equal Degree of Hydraulic within a given community. Flood hazard <br /> Encroachment. The effect of any areas are designated as A Zones. Said <br /> encroachment into the floodway must be <br /> computed by assuming an equal degree of map forms the basis for both the <br /> hydraulic encroachment on the other side regulatory and insurance aspects of the <br /> of a river or stream for a significant National Flood insurance programs. <br /> hydraulic reach. This computation (q) Flood Insurance Study Map. A map <br /> assures that property owners, up, down or prepared by the U.S. Department of <br /> —' across the river or stream will have the Housing and Urban Development, <br /> i - same rights of hydraulic encroachment. designating areas of special flood hazard <br /> Encroachments are analyzed on the basis, and flood insurance rate zones for a <br /> of the effect upon hydraulic conveyance, given community. Flood hazard and <br /> 1 I not upon the distance the encroachment insurance rate zones are designated as- A <br /> extends into the floodway. Zones. Said maps form the basis for the <br /> (m) Existing Mobile Homes Park or regulatory and/or the insurance aspects <br /> i Mobile Home Subdivision. Means a of the National Flood Insurance Program. <br /> parcel (or contiguous parcels) of land (r) Flood Plain. The flood plain is the <br /> divided into two or more mobile home land which has been or may be hereafter <br /> + lots for rent or sale for which, the ' covered by flood water during the <br /> construction of facilities for servicing , regional flood. The flood plain includes <br /> the lot on which the mobile home is to be the floodway and the flood fringe. <br /> affixed (including, at a minimum, the <br /> installation of utilities, either find site (s) Flood Profile. A graph or a <br /> grading or the pouring of concrete pads, longitudinal profile showing the <br /> relationship of the water surface <br /> First quarter Supp. # 7, 7/86 <br />