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<br />plai~ la~ds while safeguardi~g the safety, health, a~d welfare of <br />the total community. Deeignated floodways ma~ be reserved by es- <br />teblishi~g sncroachment lines that clearly define the floodway zone. <br />The utilization of flood plain lands adjacant to the flood way is <br />limited only by tha degree of flood risk deemed allowable (a deter- <br />minatio~ of locel government) a~d the requireme~ts of the city's <br />normal zoning criteria for the area. <br />By general definition, a floodway is thet section of <br />the flood plain erea provided to convey a design frequency flood <br />so that remaining sections of the area Can be used mOre economically. <br />The' "dssign flood" often selected in connection with flood"eyde ter- <br />minations is the lOO_year frequency Intermediate Regional ,load. <br />In terme of maintaining a reesonable balance between the advantages <br />of reducing potential fLood 10ss9s and the disadvantages of overly <br />restricting land uss, this flood's heights and aresl limits are con_ <br />sidered most prsctical for usa in geining the goals sought through <br />selectivazoning. Tomaximiztl the ere a available for economic devel_ <br />u~rn..nt, a floodwdY Itl~~ "ide th"n that re~uired for th~ unc;unfined <br />flood c~n be designed to ~onvey floodflows with an allo~abl8 rias <br />of not more than 1 foot above the unconfined flood's water surface <br />elev"tion.lnsuchevent,daveloprnenteinthefringeareewould <br />need to be reioed on fill, or be otherwise protected by floodproofing, <br />to the design water "urfo~e elevation of tho floodway. <br />Cities end counties within the State of ColoradO ar~ <br />authorized to enact and onforce land use controls. Assistance end <br />guidance on the e"ect"~r\l of re~olutions, ordinances, and r..~ulatio"s <br />that relate to flood plein management is available from tha Colorado <br />Watsr Conservation Soard. <br /> <br />elevetions of lend to avoid flOOding, size of floodways, and other <br />require~.ente affecting the health, welhre and safety oftheoom,,"un1ty_ <br />These regulations provide an effective means of controlling con_ <br />struction dnd preserving floodweys in presently undeveloped flood <br />plein ere,,", <br /> <br />SuildincCodea <br />In additicn to the more conventionel construction stan_ <br />derds set forth, building codes should specify provisions that as- <br />Sure the structurel integrity of buildings during flOOd periods. <br />Flequirements to 'reduce flood d~mages include elevation ~ontrol, <br />considerations of strength and deterioration susceptibility involv- <br />ing .."teriels, proper anchorage, and floodproofing criteria. <br /> <br />FloodprOOfinq <br />Floodproofing measures ~en be effectively applied to <br />both existing and proposarl structures in relatively lo"~riek ha,ard <br />areas. These may inolude land filling and elevation of structures, <br />site AdjIJstm8nte, a~d strLJctural design changes that reduce d~mage <br />vulne~~bility. <br /> <br />Health R~QulatioM <br /> <br />These regulations Can serve to control the USe of flOOd <br />plains for ~~ste disposal ~nd the const.uction of wate. ~nd <br />traatmant f~ciliti~a th~t may c.e~te haeith problems during <br /> <br />sewage <br />floodS. <br /> <br />SubdiVision H~~uiation5 <br />Used by locel governments to specif~ the m~nner in <br />~hich l~~~ ~3Y ~s divid~d, ~ubdivi~ion ~ogul~tion~ ~~, pro~c.ibo <br />~he width of strento, cu.b ~nd gutter r~quirG~ents, lot si~~e, <br /> <br />Fo.ecAstinQ end (v~cuation <br />Ac~urata, timely fo.acaeting of flood$ and oritical <br />stre~" etag<ls, coupled ~ith tempora.y av~cu",Uon end other emergency <br />actions, can often s~ve liv~s in ~ddition to reducing p.opart~ <br />108888. I" the devslopmant of local co"",unit~ planning, providof1s <br />shoulJ 1.>" "'ads for elarting a~~" residents and coordin"Unq oper,,- <br />tions cf city-coun~y public se.vice ~q~nciBs throu9hout th~ flood <br /> <br />., <br /> <br />" <br />