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<br />Peak
<br />
<br />r..ble4
<br />Discharges fin llhtorlc,O
<br />Cache La Poudre Rlver-
<br />
<br />Floods
<br />
<br /> Pe,,-kD1sch,,-rgeat
<br /> USGS GagIng St..tlQn
<br /> Upstream fr01ll
<br /> "''' .'ortColllns
<br /> c.L...
<br />" "co 1883 7,900
<br />>0 '"' 1884 6,8502/
<br />, 'co 1891 21,000.:;.
<br />" '"' '""" 5,000
<br />H ""' 1901 12,000
<br />, "co 1903 4,100
<br />>0 :-lay 1904 31
<br />" 'co 1909 5,900
<br />, JllTI 1914 5,380
<br />" "0 1917 7,000
<br />'0 ,," 1918 5,201}
<br />e "," 1921 5,230
<br />" 'co 1923 8,550
<br />" ,," 1924 7,440
<br />n )lay 1930 10,200
<br />" 'co 1938 6,180
<br />, ,," 1943 3,380
<br />" "'" 1947 4,660
<br />5 ,," 1949 6,090
<br />; ;" 1951 4,530
<br />" '"' 1958 3,770
<br />W Jun 1961 2,960
<br />H 'co 1965 4,810
<br />" ,," 1967 2,210
<br />" ,co 1973 3,780
<br />n ,," 1976 7,340
<br />" ,co 1978 3,740
<br />
<br />>I
<br />
<br />O"te
<br />
<br />Floods oc""rr..d on ~"rio"s [Mrta of ,;atoo Dr"" in 19)';, Ig,l,
<br />1954, 1961, 1965, 1972, en.d 1974. A ..ajue fbQd oc"urr~d o~ 1 !1"j
<br />1977.
<br />
<br />PBak Dlaeharg.. at
<br />USGS Gaglng ~tatlon
<br />Duwnstre"", frc>",
<br />Gteeley
<br />e,f,s.
<br />
<br />StQr"'a in the Autt _'nd Eaton "rea caused floodIng abrig Looe ".:re~
<br />Creek In June 1971. )jan}' f<lrMa loI~r" lnllndated "",I the Eaton Se"age
<br />Plant loIas damaged.
<br />
<br />Avanable damage data for historIc noods 1s st".:uarhed 1n
<br />table 5. Oatllages are gl~en In te~s of price levels at the tlms of the
<br />flood. With lncrcasln.g develc>pment and inflatIon, a modetate flood may
<br />nolol produce more dollar damage than a majot flood of earlIer years.
<br />
<br />2,820
<br />
<br />4,220
<br />
<br />11
<br />2,780
<br />1,270
<br />1,230
<br />2,190
<br />4,050
<br />2,780
<br />3,760
<br />2.210
<br />1,!l70
<br />3,480
<br />2,050
<br />2,360
<br />1,600
<br />2,130
<br />
<br />Date
<br />
<br />1904
<br />
<br />1904
<br />1917
<br />1923
<br />1923
<br />1947
<br />1%9
<br />
<br />n 'co 1903
<br /> 'I
<br />". " Jun 1917
<br /> 'f
<br />n "," 1923
<br />" .lun 1924
<br />, ,," 1930
<br />4 '"' L918
<br />, ~ay 1943
<br />" 'co 1947
<br />" J"n 1949
<br />S Aug 1951
<br />" )jay lQ';A
<br />n ,," \g61
<br />'" Jlm 1965
<br />" Jun 1967
<br />" 'co 1973
<br />, Aug 1976
<br />n '0" lQi8
<br />
<br />l'rom USGS stream g"gi~~ reCC>tds 1n ."0"8$ ,~f 5,000 c. f.;. 8t th"
<br />g.1gellp"treiltllfromFortCoUlnsor2,OOOc.f.s. at thcgaged"\o1n-
<br />stre.1t1l from Gr~pl~y.
<br />
<br />"
<br />11
<br />
<br />C,.u3ed hy bih'H of Cha:nbers L:lke Dsm.
<br />
<br />Greater than 1891 flood.
<br />
<br />4/
<br />
<br />Gag1Llg record i. not contLnu<'<1s.
<br />
<br />;;
<br />
<br />Oischarg,'u.,availablo.
<br />
<br />n
<br />
<br />1951
<br />
<br />1%5
<br />
<br />Tablo 5
<br />~latoric Flood Damage Estimates
<br />Cache La poudre l1.1~er hsln
<br />
<br />Stream
<br />
<br />Cache laPoudre
<br />
<br />~orth pork
<br />Cachelapoudre
<br />Car.h~ la Poudr~
<br />Nonh fork
<br />Cache1apoudre
<br />
<br />C,1;:.hC la ~ouc:,~
<br />
<br />Car.helapol.ldre
<br />Jry Cre~k
<br />S",,,11 dr..~
<br />
<br />Car.h~ la POlldr~
<br />
<br />Location or Type of Damage
<br />
<br />Damage
<br />
<br />Crops and livc.tock
<br />?~... t~prc>vement8 & "'achine~y
<br />l~rlgation atruct"re.
<br />Road S :rallrotld ~tr"cturr."
<br />~~~ottr.
<br />fort Golllns
<br />Greeley
<br />Total 1904 flood
<br />
<br />,
<br />
<br />33,000
<br />30,000
<br />35,000
<br />67,000
<br />;,000
<br />
<br />"
<br />
<br />$
<br />
<br />10,650
<br />1,000
<br />181,650
<br />
<br />Li~ermore
<br />Greel~y and vicintty
<br />Ba~in
<br />Livermore
<br />Main .tem
<br />~-:.;. ill "~~m
<br />
<br />2,000
<br />19,001)
<br />132,000
<br />'00
<br />74,000
<br />20,000
<br />
<br />Matn "t~nl
<br />lJr.det~r",lr.ed
<br />Colc>r<>d~ S"a"" C~ll~~a
<br />Lnt"\ 19';1 f1~od
<br />
<br />s
<br />
<br />%,900
<br />76,300
<br />270,000
<br />I.~ J,~vLl
<br />
<br />Greeley
<br />R"r~l areas
<br />Trall~"nr~.," ion t,,,, i 1 i t :.,~
<br />Totai i%~ ;lood
<br />
<br />33,000
<br />711,800
<br />1,915,000
<br />S2,llI,IJOU
<br />
<br />16
<br />
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