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<br />INnODUCTIO~'
<br />
<br />rurposeandScope
<br />
<br />..."todevisea."ldfortn<Jlatefllethod",flleans, andplan..forbringingabo<Jtthe
<br />greater utilization of the waters cf the stat.. and the prevention of flood
<br />damages therefrom and to designate and approve storm or flood~ay runoff
<br />channels or basins, and to rr.ake such designations available to legislative
<br />bOdies of cities and incorporated to;ms, to county planning ~o"""hsio"s,
<br />andtoboardsofadjustmentofc1ties, incorporatedto;m", and cOllntie" of
<br />this state"...
<br />
<br />GontainedwUhiu this report" are_ps, profiles. "ndcros5 sections indioating
<br />the approximate extent of floodinR "hieh ~ouId be e"pec~ed in the future <mder
<br />eximing<:onditions. Also, a glossary is inclUdedt03""ist in the understanding
<br />of unfamiliar terms used iD. the report. Available hhtorical iD.fornation, stream_
<br />flow records, precipitation data, and other da,,, have been used in defining the
<br />slze aD.doccurrence of potentill.l flooding in the North fork basin . Theinfor""'tion,
<br />as presented, is intended to be used as ur. aid in the id~mtlficetion of local flood
<br />problems aD.d to promote the best use of lands subject to overflow. This iD.formation
<br />may also be used to appraise flood risk and help both general eD.d special iD.terest
<br />programs to avoid Or reduce flood damages. It should be recogD.uedthat the flood
<br />hazards, as presented, are evaluated as of the date of this report. Special plans
<br />and reco"''''=<:!.).t10D.S for the sol~tion of flood problems are not 1ncluded as tbese are
<br />properly the responsibility of localgov"rnmeD.t. Ho...ever, this report provides
<br />local government a basis for study and planD.ing to minimize vulnerability to flood
<br />d"",a8",_, J;seof floodplainregulatioD.S, zoniug, s\lbdivisionregulations, flood
<br />proof~\g, and construction of flood protectioD. works or II. combination of these
<br />appr~ches may be utilized by plaD.ners to guide those who intend to \lse the flOOd
<br />plain.
<br />
<br />AuthOrhll.tioD.
<br />
<br />This repon ~'as authorbed by the Colorado ',,'ater CoD."ervatioD. Board in jaiD.t
<br />aponsorship wit~ Wtay, ~olorado, and Yuma County, Colorado.
<br />
<br />The Board's power and duty is...
<br />
<br />. ..as stated in SeetioD. 37-60-l06(1)(~) of thp rnl~rado R~vised Statutes 1973.
<br />
<br />Th~ c:t~ies, ID.~orporated to"","s, and ~ounties within the stlldy area may prov ide
<br />~on1ng regulations...
<br />
<br />... "to e~tablish, reg"lat", restrict, ""d l1m.it sach uSes on or ..lcD.g any
<br />storm Or flood~ater runoff chanD.el or basin, as such Storm or f1ood~ater
<br />rUD.off cnanD.el or bastn has bcerr designated arr~ ..pproved by the Colorado
<br />Watet Conservation Board, iD. order to iesaen or avoid th~ hazards to per-
<br />son~ and damage to property resulting from the accumulatian of s.o,,", or
<br />floodwater,"...
<br />
<br />...as stated in Section 30-28-111 for eourrty goverD.meD.ts and Scction 31-23_201
<br />for ~unicipal govcrnments of the Colorado Revised Statutes 1973.
<br />
<br />TheroportdataiD.cludefloodedarealtlaPSdel1neatingthelOO_year and 500_
<br />ycar flood boundaries, flood profilas and flood plain cross se~eions showing the
<br />high-\:a.tcr elevations ['H' t1,~ 10_, 30_, 10u_, ><nd SOIJ-year floode at sc1ected
<br />refereD.cepoints. A supplement to this rel>Ort, 1t\thefonnofaTechD.icalAdd'enduOl,
<br />iD.cludes the supportiD.g et>gineeringand hydrolo!;ic dat" whi<:hlAay aho beu"ed it>
<br />the location lmd destgn of roads, bridge", an.d chann.el ",odifleation~.
<br />
<br />Thprpf~r~, uV~~ Dfficial ~pp"oval of th" repo~t ~y thc Colorado ~ater Conser_
<br />vatio~ Board, the areas descri~d as bei~g iD.uD.dated by the lOO_year flood
<br />(Intermediate Regio~al Flood) can be desig~atcd as flood hazard areas aD.d
<br />their use rcgulnced "c<:ordingly by the local "g~"cie". ThIs report WaS ~re-
<br />pared by the Army Corps of Enginee.. under the continuit\g authority provided
<br />in S"-ction 206 of c~e 1960 Flood Control Act (Public l.aw S6_M5) as ",oended.
<br />
<br />Ac~~o~ledKL"'CntS
<br />
<br />The assistsD.ce and cooper~tion of the bClo,,-listed agencies, firms, aD.d organi-
<br />zations, in addition to r.umeroua private dt.bens, in. suppl)"iD.!; informaCion and
<br />data is appreciated and ~rate[ully ackno~led~ed.
<br />
<br />U.S. ~ational Ocear>ic and Atmospheric AdministratloD. (KOAA) Weather ServiN'
<br />U.S. Department oi the lnterior, GcoloRtcal Surv~y
<br />ColoradO Watcr Co~servation Bosrd
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