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<br />T"bl" 8
<br />Urb.~n Ylc"d Pl..,!n Jev<11cp",,,"t
<br />And Da~ge PptentlaI
<br />($1,000)
<br />
<br />Plue 4 lndkate, the Locatl<'>A of ~1ates ) thro<lgh 11 which ghow
<br />.,rea, of populatlorl <:o~c~"t(a~torl IJk.>1y c() b~ subject to flood h,,"~rds
<br />h the C~che la Poudre River ~a"yoLl. Th" flood ha,.arJ, of course,
<br />"Qllld ~~te~d alone the entire lenBth of tho, rive,". No detnll~d flood
<br />bouLldarJes are available ~xcept for ~he Poudre Park area and che r~ach
<br />do'/[\~trearo fcom the canyon """,th. Based 01l field tnspect!01,., however,
<br />resiJe<lUal ~reas 15 feet or less above the strea"bed have been ldentl-
<br />fied on the pl~t"". At Poudre Park, th~ 100-year flood averagc~ about
<br />15 feet deep, therefore, this depth wa~ llsed as an approxi'llate stand-
<br />ard. Lo....-level ca"pgrouads and plenic areas have also been tdentifhd.
<br />Areas of the hl~hway whIch appear hIgh enough and far enough away fto"
<br />the sttea~ a(e deslgnated as safe hlghway areas. EvacuatIon arrows
<br />lndic~te ~yplcal locattons where floods nay be escaped on foot, al-
<br />though ~he hIghways at tho~e lo~a~ions ~re not n~cQsssrily safe. The
<br />hazatd evaluation was focused pri"arlly on the main rIver. There may
<br />be ha~ards fr"" significant side trlbu~arles if Inten"e raln falls on
<br />them. Since detalled data .~n nOt available, plates 5 throllgh 11 ser~e
<br />primarily to give an Indication of the flcod ha~ard.
<br />
<br /> Co"""unhy
<br />It"", LaPort" Fon Colltns Greeley
<br />V~Iue of Oeveloptoent
<br />Resl~ent 1"-1 $12,282 $t4,337 $11,889
<br />CO]lltnerchl 1,859 18,132 10,507
<br />IndustrLll '96 8,762 7,676
<br />Other 1,001 212
<br /> Total $14,337 542,232 $30,284
<br />Damagcs b, 100-yr Flood 1,092 9,304 4,676
<br />Avet"-ge Annual l'Iood Dalllage 90.1 655.7 112.8
<br />
<br />The entire CaChe laPoudre River flood p1ain Is a Source of hlgh
<br />quality grave 1. C!langes in flood plain charnc ~er1stics resul t1ng fto",
<br />thIs <lining L1I.lY aHect the potentlal floo<.! damag:es; thIs '''ill dep~nd
<br />up 0'"' ho\ol th~ gravel is Olined and the cClndlt10n Df the flood phtn \oIhen
<br />th"",ilW,s "rc "bandoneJ.
<br />
<br />Flood plaIn. 1~ tk.. ~'J~.ta1~." :r.!"t Qcnc:J~:y ~;,J~~el~~.,J ~~c,,~~
<br />
<br />Table <} lists the ,'sU..ated nl,..ber of building,. in th~ canyon.
<br />5o~ huI1~in&s ar~ probably unac~oun~ed for due to restricted 4CC~SS.
<br />Ther~ are about 300 residenc~" irl the high flood hazard a.eas which are
<br />,) fc~t or l~.s above ~hc ~ttea"b~d. A larg~ numba( of r,sidene-as a~
<br />higher levels '''ould beaffeeted Lndirectlyby flocding. Abo,t'",e-hatf
<br />of the (esidenc~s arc occupled year-round; the re~alnder are vacant
<br />durI"g the wlnter. The l' .5. ,orest Ser~ice eat lm~t"s ch,,~ <l.,dng the
<br />heIght of th~ tourJs~ ~~ason tl'er~ ""'y b~ 1,C100 to L,2DO overnight
<br />Ca~~rs in the Cach~ la Poudre ~Ivcr cunvon. So~e of ~hc ~rcas
<br />de.lgnated us picnic areas can also facilitate ca~per". Tourist.
<br />"lght camp ,,~ lQ~., tlQrI$ not d~" is""ted on ~ny ".'p. It is e"Umat"d
<br />th~t 2,uDD "r 'OOr~ tourl.ts may f>e in t~~ c~nyo~ durir.2 d"ylight ~O"P
<br />"~,,~u,.' :>: j"y~j"'e "cth'nlcs such oW picnios or fl3hic_~.
<br />
<br />'lOUNlAINREGlON
<br />
<br />along the m..tn H"'''' of the Cache la P"udre 'Uvn. Tile flood hazard is
<br />char>lctcriz~d '~y !lIlrrow flood phins that hav" experlenc~d s~attered
<br />cncro;lch:ncnt3. Scvn.l.l slMll r"sort corn<:1\.Lnl~ie8, campgrounds, and
<br />picnic areas "~rve t"uri~ts. Penn":>ent "r v..cation ho"",s are loc~ted
<br />in th~~c cO"",,:lnities, "r <Ire ~~~tt~r.,d in h"lHed dewlop"'~n~s ~lollf;
<br />:he valley OOttOtlo T~'e dver is "'''o~'n d~ " good trout; flsh~ng str~a'"
<br />"nd l<ayaUng h popular in high \oI.,ter ,,10"8 the lo"'er re.'.ehes of the
<br />cany"n d<ldng Jun.'. 'lost or the 1.,nJ along th.. dver is ,",'rI"god ~y the
<br />l.S. Forest 5~rdce. rriv"-t,~ land i. gen>!ra Lly r~"trlct"d to ., narro"
<br />steip a~o";; t!,~ oott"" land. '~Qlonjw Hi.gh""1" Le, Fllrall~_l. th~ C"cb.,
<br />la roudr~ ~l,,~" f~on th~ canyor. ","ull! ~,) " ?~int ups,r,."" lr".~ S;h'ncer
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