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<br />PREFACE
<br />
<br />1N,RODlfCT1DN
<br />
<br />This report present,; the resultsofa floodplain study on thel'uln cosRiver
<br />and Chicken Creek through the Town of Manco,;, Colorado. Also, the report
<br />sUrru:13rizesrecormlendationsforirnprov;ngthelocal drainage system. The
<br />Town of Mancos, in cooperation \'Oith the Colorado '~ater Consenation Soard,
<br />requested ~reparation. of thi s report, by Muller Engineering Co~pany, Inc.,
<br />of Lakewood, Colorado,
<br />
<br />Authorization
<br />
<br />ThIs report was outhorized by the Colorado Water Conservation Board in joint
<br />spor.sorship with the To~n of I{>ncos, Colorado.
<br />The Bwrd's power and d~ty is . . .
<br />
<br />Copies of this report are available for p~blic distribution, for a nominal
<br />fee,attnetollowlnglocatioflS:
<br />
<br />"". to devise and forrn~late methods, means and plans for
<br />bringIng abo~t the greater ~tilization Of the waters of the
<br />state and the ~revention of flood damages therefrom and to
<br />designate and approve storm or floodway runoff channels or
<br />baoins, and to make s~ch designation,; available to legislati~e
<br />bodie, of cities ond incorpordted towns; to county planning
<br /><'ilimlis,ion~; ~nd to i;lodrds of ddj~~tment of cities; incor~().
<br />rated towns; and counties of this state,.,"
<br />
<br />Town of Mancos
<br />Town Hall
<br />P.O. Box 48
<br />~oncos, Colorado 81328
<br />
<br />as stated in Section 37-60-106(I) (c) of the Colorado ReYisedStatutes, 1973.
<br />The cities, incorporated towns, and counties within the study ~rea may proyide
<br />zoning regulations, . ,
<br />
<br />Color<ldo '~dter Conservdtion Board
<br />823 State Centennial Building
<br />1313 Sherman Street
<br />Denver, Colorado 80203
<br />
<br />"".toestablish,regulate, re,;trict, and limit su.;M uses on
<br />or along any storm or floodwater runoff channel or basin, as
<br />.~ch storm or floodwater r~noff chdnnel or odsin has been
<br />designated and dporoyed by the Colorado Water Conservation
<br />Board, in order to lessen or avoid the haz~rd, to person, .nd
<br />dama~e to property resulting from the accum~lat ion of storm
<br />U['fjoooWdters..."
<br />
<br />!n d~d!ti~n t~ :he flo~dpl~i~ infc~ati~~ ~eport, . Techr.~cal ^dd~~du~, whi~h
<br />
<br />includes hydraul ic calc~l~tions and other delta. tJertinent to the f100dpl a in
<br />analysis, is available for review at the office of the Colorddo Wdter Conservation
<br />3oard. The TeChnical Addend~m has not been printed in suFficient ~uelntiti~s
<br />for public distrib~tion,
<br />
<br />as stated in Section 30-28-111 for county governments, and Secti on 31-23-201
<br />for municipal governmentsoftheColoradoRevisedStdtutes, 1973 .
<br />
<br />Therefore, upo~ official appro~al of this report by the COlorddo ~ater Conser.
<br />vat ion Board, the areas described ~s being in~ndated by the laO-year flood
<br />(lntermediateRegional FloOd)lcanbedes.ignatedasfloodhazardareasandtheir
<br />
<br />use ~egula~eo accord1ngiy oy tn~ local agcnC1C~.
<br />
<br />lTne tems "lnt,en;]ediate Regional Flood", "lOO-year flood", and "one-percent
<br />no~d" Cdn be used interchilngedbly dS they or~ all defined by the ia"le type of
<br />flood eve~t (see Glo,sa~y). However, to avoid confus ion, the term "lOO.year
<br />flood" \'Oil 1 be ~~ed excl~si~ely through~'Jt this report.
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