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<br />INTROOUCTION <br /> <br />useofthesedetawillholoavoidthedangersandd"magesfrornfuture <br /> <br />floods. <br /> <br />This report defTnes the flood ch"r"cterlstlcs of Dutch <br />Creek"nd Its rnaJor trlbut"rles, Coon Creek and Lilley Gulch, and of <br />GoldsrnlthGulch. Dutch Creek is in Jefterson County, Colorado, excepf <br />forll/2mlles"tthadownst,"eamand. This 10lolerrll1>chfl0lolsthrough <br />Arapahoe County into the South Platte River. Goldsmith Gulch lies <br />partially In Arapahoe County and partIally In Denver City and County <br />and is a tributary of Cherry Creek, This is the sixth of a series <br />of reports covering streams In the Denver region and was prepared In <br />response to an application of the Denver RegIonal Council of Govern- <br />m!lnts through the Color"do W"ter Conservation Board. Table I lists <br />the streams covered in previous reports. <br />'I <br />The basin and stream char"cterlstlcs, flood- hIstorIes, <br />and probable effects of major flooding are described in this report. <br />Two potential floods,lntermediateReglonalandStandardProJect,are <br />used to represent two degrees of major flooding that may occur in <br />the future. These two floods are fully defined Tn the Glossary -- <br />pages 29 and 3D--and should be given appropriate consideration In <br />'I <br />plannIng for safety of developlllents In the flood plain- . <br />TheflOO<J hllzardareasfortnetwopotentlal floods are <br />shown On the plates follo.ln9 the text of this report. Flooded area <br />m<lpsshowtheapproximate"reasthafwouldb..inundated. FlooJ <br />profiles!! show the depths of water relative to the streambod and <br />tlanksllndtloodelevationsacrossthelolidthofthevalle.y. Thecross <br />se.ctions indIcate ground level across the v"lleyand the overlying <br />flood depths. <br />Possitlle future Improvements to control floods are not a <br /><:;onslderatlonofthlsreport. Floodhll1:ard infor"",tionisprovided <br />for the guld"nce ot local officialS in pl"nnlog the use and regula- <br />tlonof thetloodplainandaspublic information. AloIarenessand <br /> <br />Technical assistance to Federal, State, and local agen- <br />cies for Tnterpretatlon and use of the information contained in this <br />report will, YPOn request, be. provided by the Omeha District, Coros <br />of Engineers. ZonTng or other regulation of flood plain use is a <br />local responsibility, but the Corps of Englnee.rslollll provide guide.- <br />lines it requested. A pamphlet, "Guidelines for Reducing Flood <br />Oamllges," and a booklet, "Introduction to Flood Proof Tng" Clln be <br />supplied. <br /> <br />The Information given In thIs report does not Imply any <br />Federal Intere.st or lIuthority to zOne or regulate use ot the flood <br />plains. ThoflOO<J protllesand flooded area datapresente.d lira based <br />on existing conditions of the drainage basin, stream and VIII ley a t <br />the time the. re.port loIas prepared, and are reasonable, rather than <br />precise, indlc"tlonsofprobableoccurrences. Urbanization of the <br />drainage basin may increase runoff "nd flooding. The use of whIch <br />flood plain InforrMtlon will be put is tho responsibility ot local <br />authorities. <br /> <br />Table! <br />PU8L1SHEQ FLOOD PLAIN INFORMATION REPClRTS <br />DENVER METROPOLITAN REGION STREAMS <br /> <br />Volume. <br /> <br />Str""., <br /> <br />Dat9PubliShed <br /> <br />" . <br /> <br />South Platte RIver <br />Sand Creek <br />Toll GateCree.k <br />Lower Charry Creek <br />E\eIIrCreek <br />Clear Creel< <br /> <br />October 1%3 <br />April 1964 <br /> <br />'" <br /> <br />Jllnuaryl966 <br /> <br />. Volume II being revised for reissue. <br /> <br />II <br />See Glossary of Terms <br />