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<br />Table 2
<br />Pop~latlon in Seleceed Area.
<br />
<br />PRIOR STUDIES
<br />
<br />Year Fort Collins Greeley l.arlrnerCounty
<br />1930 H,489 12,203 31,137
<br />1940 12,251 15,995 35,539
<br />1950 14,937 20,354 43,554
<br />1960 25,027 26,314 43,343
<br />1970 43,337 38,902 89,900
<br />1980(prelhl) 66,235 52,480 149.20S
<br />
<br />''/eldCounty
<br />
<br />A n..",bcr ~f flood control .>od Hood pl.>io r:la~<'gc1Dcnt s~udles of
<br />~ar:lo"s kind. have be..n publ1shed by different "8c"cles tar :he Cache
<br />la Poudrc River ba.ln. T"ble 3 Ibh the.e ~tc,ldle~ 1" bri"-{ ~c,l"'~'''y
<br />Eon..
<br />
<br />65,097
<br />63,747
<br />67,504
<br />72,344
<br />80,297
<br />122,905
<br />
<br />Fort COllins in Larim"-r COc,lnty and Cree ley in ~'cld COc,lnty are the
<br />cwo larges ~ ~OOllllun1t les. Each cl ty cont" Lns "vcr 50 percent of th,,-
<br />~anufacturing aod retailing activi~ie~ in it" respective county.
<br />Another co.......nHy, Windsor, lics ~t'~e"n the~e t"l" clUes. Industrial
<br />d<!ve lo,ment near '",_ ~..' .., ,_ ",_ ~
<br />,,"~~ .. v spurre" S~ increase in the to..o '.
<br />popuL1tioo from 1,600 i" 1970 to B~- . 4 900' "00
<br />""u~, """. The roounta in
<br />area is sparsely popul"ted, "lthough several recent ~t.lbJivisioM around
<br />Red Feath"r Lakes have attract"d new re.iJcnts,
<br />
<br />In additton to the Cotps of Engineer. other ~ederal ageocies
<br />involved in flood plain mana8e~ent acti~ities Include the Federal
<br />Insurance Administration, under the Federal grnergency Management
<br />Agency, and the S"tl Con.crvatlon Servlce.
<br />
<br />S"rvey report" study a wid" range of ~atet tesource" problems.
<br />Section 205 and Section 14 reports in~olve small projects for flood
<br />contr"l or .trea~bank protection. The special studies are fLood plain
<br />informatIon st"dics done under the Corps' TechnIcal Assistance Progra~.
<br />
<br />Flood Hazard
<br />
<br />Other reports have been prepared by priv~te consultants, local
<br />gove~n~ents, or untversltles.
<br />
<br />FLOOD DAMAGE REDUCTION MEASURES
<br />
<br />PHYSICAL IMPROVEMENTS
<br />
<br />Tbis "e~tlon de.cribes the existing flo"d haz<ird sttuation.
<br />f!oodhistory, priorH"dies,.,ndflood"ontrol
<br />
<br />The
<br />
<br />The Ca~he la poudre River basin is la~ed with a ~omplex system of
<br />dlveralona, ~anals, and resetvoirs. There are abo~t 70 teservoirs of
<br />vary1:lg Rlo"a, most tn the plains regl;,n. Ex~ept for l"''' l.>rge fe'er~
<br />voirs on the north Pork Cache la Po"dre River, storage reservoir" are
<br />
<br />GENERAL
<br />
<br />oteas\Jresarepre,'ented.
<br />Be~""se ~revloua r",.,,,nq "n ,~.. f'~~' ..,_,~, ,_ _, ._,
<br />. -.-- .~~~ ..~~_.~ ... LU~ ~l.dL'" dre" hsve
<br />been "",de the dHaIlec discussion in _'-" "<<,,_' "
<br />'" '~F." e"'puas 'e~ the C~~he
<br />
<br />g~~~f~lly ta~&~c1 o~ sn3tl ~ri~ut~rte~ 0" off~~rea~ ~n~ ~ave little
<br />
<br />1" PQuJre Riv~r canyon <if,'a In the mOuntaIns.
<br />
<br />indivld"al effect on de~reaaing floodflows. Alelost all reservoirs in
<br />the basin arc for Irrigation or ~ater supply. the excepttGns ~re the
<br />SCS dar:>s o~ 'Boxelder Creek ",hic.h were designed for flood control. r:ce
<br />ol'~rHtl"" of tlw rese_rvoir. r"",,lls h theIr bdn,~ ,,,'~rly (<It[ ~OO\lt
<br />
<br />Ju~e, ~nd there 15 llttle eHr~ "~or,'~c 3vall",'>lc Jur1~g ell" flooJ
<br />
<br />"'~"'''l.
<br />
<br />,
<br />
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