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<br />INTRODUCTION <br /> <br />Engineers. Zoning or other ~egwl~tion 01 flood ~Ia;n wSe i~ a IOCdl <br />~espons i b i I I tv, but the Corps of En~ i noor~ wi II ~rovldc gu leel i ne5 i I <br />rCQue~t()d. A Oilomohlat, "Guidcllne~ fc~ RC1uclng Flood Dao"lil,:e~," ~~,d <br />a ~ook I et "I ntrodwet i O~ to Flood i'~o"f i "'J" Can ~" SUPD I i eC. Othec <br />puolica!ions aM se~vice~ ~~e .o"nililble de~ending on ~upOly and lu.,ds. <br />The i nforMat lo~ g I "en In th I s rc~o~t does not I"'p I Y any F e(lera I <br />Intc~o~t or ~wthority to lono or regulate u~e of the flood olalns, <br />nor ~hou I d it be construod as ob i Igat I ng the Goverr'>ment to invest i gate, <br />constrwct or m~ Inta i n ~ny fac i I it., c i scw5sed h~rei n. The f lood p~o- <br />f i le$ and II00ded "rei< d"ta presented are b"5"d on ex i st-i n~ 5trell/l1 <br />~nd valley conditions "t the time the repo~t Wa5 preparQd, and arc <br />reil50llilbie, ~~t-.~e~ than o~eclse, indjc~tion5 of probable occurronces. <br />The U5e to which flood plain inform~tion will be ;>wt Is the respMsi- <br />bilityof localauthoritic$. <br /> <br />Toi5 report defl~B5 the flood characteristics on portion5 <br />of Goulde~ and South Boulder Cree~s near Boulder, Colorado. It is <br />the 5econd volume of a series of flood plain inlormatlon r~Dorts <br />covering stredm~ in Bouldcr County. Volume I, already publiShed, <br />defllle, the Ilood characte~istic on the lower portion of Left-Hand <br />Creek. These ~epo~t5 were o~epared in response to ~n appl icatlon <br />made by the Denver RoqionilI Council of r,ovcrnmcnts through the <br />Colorado Wator ConservatIon Board. <br />The bil5in and 5tream characterlstic5, flood hi5to~ie, and <br />prOb~ble effech 01 ,"<ljo~ fiooding arc prese~ted sequent-ially in this <br />report. Two potont-ia I floods, I nte~med latB Reg iona I and Standard <br />Project, are used to represent two degree5 of major flooding _ that <br />may occur in the future. Th!lSe two f 1000S a~e fu II y def lned I n the <br />Glos5a~y - page 28 - and should be givell appropr;~te consideration <br />In developing cOllt~ols and planning for develoPment-s In the flood <br />plain. <br /> <br />Thefloodh<llardarl'asdef;nodbythetwopotentialllood5 <br />are st'lOwn on tne pi ates ~t the end 0/ thi 5 ~eport. Flooded area map5 <br />5how the ilpp~oxlmate area5 t-hat- wou Id be I nunda"ted. Prof lies show <br />the Oept-hs of wate~ relaTlvo to tho streambed ~nd oanks and flOOd <br />0levatlonsacro5stnowidthoithovalley. Thecrosssoctlons <br />I ndic~te ground 10"015 acr05s tho valley and the relativo Ilood depths. <br />Improvement5 to cont~ol flOOd5 aro not aiscussed or pro- <br />p050d. Flood hazard illformiltioll 15 provided for tlo~ gu id~nce of I()<.;a I <br />oftlcial5 in plallnlng t-he u5e illld ~egulat-Ion of the flood plain and <br />as ~ubllc i nfor"",tion. ^wil~<Jne'>5 ;:Ind U50 of these data wi II help <br />~vold the dangers and damages from future f loads. <br />Technical asslst<lncot-oFedoral,Stllte, and localilQencies <br />for Interpretation and USe 01 tho Information contained in thIs report <br />wiil, upon request, be provided by the Omaha District, Corps of <br /> <br />;, <br />