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<br />CHAP~ER II
<br />
<br />CHAPTER III
<br />fLOODING PR03LE~S
<br />
<br />STUDY AR:A DESC~)PTION
<br />
<br />Thet,ECanondrainageJrea is located in theea,tcentral portio n
<br />of Fremont County and originates in the high plairos at out 2'; mile snorth
<br />Of Canon City, The upper rea~hes of the waters~ed begin at about 6,400
<br />feet ~ean seJ level elevation and extends in a south~rly direction to
<br />the Arkan,as River at 5282 feet eleyation. Plate I shows the location
<br />of the basin within Fr~ont County.
<br />The study area has a cli~ate typical of Front Range comw~nities in
<br />Colorado,\;ithanilveraaesulll'l€rtemperat'Jreof730F, anaverJ.ae'l.'i,:tcr
<br />temperature of 430F. and ~n annual Mean temperature of 550f. The annual
<br />mean precipitatinn i~ 1~.3 inche, per yea~ ~ith approximately 355 d~y~
<br />OI,unShlne.
<br />The ~;E Canon dr a i n a ge area co n s i s t S 0 f appro x i I'la te 1 y 6 sq" a rE miles
<br />of gent Iy sloping terrain drained by an intermittent ~tream that is nor-
<br />mally dry except for runoff h'hich occurs from thll~d('rstOrr:ls d'jring the
<br />summer rront,hs. T~e dninage s.-l,l~e itself varie, fro"fl d~ep. '~el1 defi~ed
<br />arroyos, tOllnconfinCd, bioad1:arshesofnodefinitedelineJtion. Veg-
<br />etatio" i s ~parse '^'ithin the bas in. more so in the upol'r reilfhp~, hut
<br />"'i11~'" k~v~"'n~ ,~,' ""I~ "",-" lC',- ,-- ~ ,'" -1 "" . C'
<br />" v", c~.,~,~~, u.'u.., ~ "~'. ~, Jd"c ~lvw" d VII~ lie J,)d'I<S 0' ne
<br />drainages\'la1es, especially in the lO'ler portions of the basin.
<br />The ueginning point of thest"dy is at the conf]uer,ce of thedraina g€
<br />swale ~'ith the Arkd"~ct~ Riv~r, which occurs .-Ii thin the NE!. of See 33,
<br />T wp 18 S H 70 W 0 f the 6 th PI~. so" th of the i n terse ct i on of Ko u nt l A ',en Lee
<br />ilnd Frillier Avenue. The study area ed<?nds upstreil'1 to just north of
<br />Centra 1 Ave~ue, where the dra i ridge s,,"'a I ~ sp 1 i t~ into two tri butaries,
<br />rMe we, tern branch study area extends northwesterly along the swale to
<br />its intersection wi th the north~rly 1 ine of See 20, Twp 18 S, R 70 W,
<br />oftne6thI'M,nearthewesterlyendofNorthStreet. Theeasterly
<br />brJnch study area exterds northerly along the rajor droinage ,wa1e to
<br />its intersection '~iU, lhe westerly line (;)f See 16. h'D Ie s, R 70 ~', uf
<br />the 6 p~~, J t York S tree t . The ea s t e r 1 y bran c I, sp 1 its f 1 cws i E a s t f 1 a'~_
<br />1i~e ~nd l~e5t f10wllne) Ilr:'Io'(]{'n Hiah Str<!e~ Jl1d Ce"tra1 p.venu~.
<br />
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<br />History of Floodinq
<br />
<br />jnform~tion on past floods .-lithin the NE Conon draina~e area is
<br />based on newspaper occount~ and inter~iews with tong time residents of
<br />the area. Flooding conditions have occurred in 1906, 1921,1935, 1941,
<br />1954,1955,1974andIg79.
<br />~ost of the flood da~age has occurrec i~ the lower half of the
<br />dr~inage area, '~here the two tirbutaries combine and seek the lNJland,
<br />a long the Arkansa~ Ri ver. SUrmlary of floods occurring Ju~e 4, 1921,
<br />July 14,1941, July 29, 1965, July 30,1%:, Juty21, 197" a::dAugu,t
<br />:5, 1979 are contained in articles from the local n"wspapers. The flood
<br />of 1921 appears to ha'le becn the highest flood flow ever in Canor Cit y.
<br />
<br />TilE CANON :!TY O,~,IL y RECGilii
<br />CA~ON C1TY, FREMO~T COJN,Y, COlQRADD
<br />SAT~RDAY, J'.'tL': ';, 1921
<br />
<br />,:U ;..'i/(,;.....'-7,::; '/Ar....E;. '/I51T:::: IJ;'
<br />
<br />1:~:,;;!I::5T :X;;;::fC"',, Ii; ,'"AS" ;'Ii;:'
<br />
<br />J.L[, CO,~I"U/.'ICAT ION:] AJUo~' CI11' OFF
<br />
<br />T,'~ffic i;; Any Direction ;:" stopp"a dna
<br />Wir",:; art> Down; C"n"" r:i~y Str""ts
<br />L-it"rdliy Tuu",d in~c Jlivero ",,,,
<br />S~nrl a"'l P".~r is i5 W,'sh,>.j
<br />Onto Sid"w"lks
<br />
<br />'.".':; ',,-no., Cic,,- ,1i..tl-~~'t, "I'~ '" <~~'<, U", c'ul~,,, U",..,,,
<br />
<br />l,,'k.ms~s v-0111e'! from :';'did~ to ""eUo, WdS visiu:a "'rid",'
<br />:lIte",,;:)o;, ~;;d .'"ridd'! niqht witt, 0"" of tile big;est cdin[~11s
<br />i,~ "'l"",erMiC1.-. The lco<j"r.a" '''er(' ('velywl"'re f1oOO"1 ",~,l
<br />..11 ''':>I'''''''n'Crir;o!" "',~h the e"st ~IJd k/"S' <<" ,', I'y r~11 .'nd
<br />t",lcp;;);;h ~"'''~> c>')( by (f", stono.
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