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<br />I <br />, <br />, <br />I <br /> <br /> <br />GLJICELlNE$ FOR FLOOD PLAIN I>WlAGHENT <br /> <br />Man has been building on and occupyIng the flood <br />plain of rivers and smaller streams since the arrival of the plo- <br />neer settlers. The streams II rst provi ded tra~sportat;Qn and water <br />$uppliesand, later,thelrtJsuallygentlyvalleygradesencourag..d <br />the construct-ion of hi ghW~Y5 and raIl ro"ds. TOdi.!Y, the contlnulng <br />growth of cities results Ir. ever Increasing encroachment on the <br />floodpl1lin. <br /> <br />r <br /> <br />Through bitter experience, men has learoodth.:lt <br />floods periodIcally Inundate portions of the flood plair, damaging <br />property and often causing loss of life. Vastrroney and materIal <br />resources have been expendod for structural flOOd control proJects-- <br />dams and reservoIrs, levees, channel inprove!'l8nts,andslmllarpro- <br />tective works--designed to SeCure man's tlaoi tat agal nst t~e ferce <br />of nature's flOOds. Unfortunately, howevor, encroachment on the <br />tlood plains h1JS taken place faster th<ln c:ontrol structures can bo <br />built <lnd costly flood damages have contInued to Increase across the <br />nation. -,'his Increase has led to a ne~' approach for reducIng flood <br />damages. Called "flood plain tMn<1gement," this new approach consists <br />of applying controls over the use of the flood prone t<:lndwhich lies <br />adjacenttothewatarcourses. <br />Guidanceonvarlousflo<::>dplaTnrMnage"",ntter..i1niq1165, <br />that can be adopted in a realIstic flood damage reduction program <br />ispresentedinthetollowlngtext. Specific recommendations for <br />Implementing any particular technique are notprovided,however, as <br />suchoptlongener1lllyremalnstheresponslbll1tyof loclli COIMlunlty, <br />county, Or state governing agencies. <br /> <br /> <br />Figure 4. fUTURE FLOOD HEIGHTS-CCTTONWOOD CREEK <br /> <br />Interpretat-Ionof Dafa <br />fIOOdedareamaps,proflles,::lndselectedcros5 <br />sections are provided in the report to define the limits of flooding <br />that would occur during an Inter~dlate Regional Flood or Standard <br />Project Flood. HypothetIcal examples of these presentations, de- <br />picting thtl are~1 Hm,ts <lnd elevations M the respectiv" future <br /> <br />Top view is house at 1879 Brookwood Drive/ltStJtlon87+00. <br />Bottom view Is at the COrn~r nf nubll~ Boulevard and WiCk low Circle <br />at Station 5"20 of tho south tr;b~tar,'. <br /> <br />2, <br /> <br />" <br />