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<br />FLOOD DE$CRIPTIOI~S
<br />ThO following ~ccounts of floodinq on Chp.rry Creek in
<br />the 5tudy area are renr"5Flntatiyo of tyrlcal floods /or which
<br />Information is .wallable. Tnnre ha\lo ~e"n other /Ioods but
<br />little Information isayallable.
<br />
<br />AU<1ustI933. The storm of 2 and 3 Auqust 1933
<br />occurred O\ler a 115 S'1Uilr(' mile area upstream frO'1 Frankto...n.
<br />IJno/f i cL. I ra i nfa II amounts \lar i ad IrO'!' ~ to 9 I nches and
<br />occurr<ld oy"r a 9-hour Doriod l)eheen 6 p.m. on 2 Auqust and
<br />3a.m. On 3 August. Thernostlntonseacti\lityofthostorm
<br />occurredbet...een9p.m."nd lOp.",. Wate"s,lnthethcnaxlst-
<br />In9 Castlewood Dam and Rese"\lol.., reachod the spillway crest at
<br />about II p.m. T~e Inllow was estimated at 35,000 cubic feet por
<br />second. Wate.. Oye..topped the c..est of tho dam and the st..ucture
<br />failed at aboutmidnlqht. Thesudden..eleaseof...ate..caus"d"
<br />flood ...a\le to mo\lO do...n the valley. The peak d1scharge is esti-
<br />mated to have ranged f..om 126,000 cubic f""t pe.. second down-
<br />stream from the dam to about 16,500 cubic feet pe.. second n"a"
<br />th" South Platte River. TheChe..ryCreekFloodCOt"rnissionosti-
<br />mated the da~~qes to be about SI,OOO,OOO; ~~p..oxim~tely $200,000
<br />0/ this total occurred upst..eam Irom Denver. This llood caused
<br />addl. !-:>na I econnmic "ff"ct~ In th" Ch"rrv Creek has In. Loss of
<br />t~o dam cut of 1 wator supp lies to aoout ~ ,000 ac..es of I and.
<br />The basin suffe..ed a severe recess ion and many la",11 I,,~ ''',wAd
<br />
<br />July 1912. In 1'.l12,theonlyWeiltherFJurP."uSt,,-
<br />tion in the Cherry Creek basin was located in Denver. ~ecords
<br />indicate that 2.08 1nches of rain occur..ed du..lnq a 2-hour eeriod
<br />on 14July 1912. Thahea\liestprec;pitationoccu....edbet..een
<br />Franktown and a point about 5 ",;Ies north of Oenyor, with the
<br />cente..locatednea..Pa"ke... Therainfali sta..ted at about 3p.m.
<br />and continued until app..oxlmately 5 p.m. Cher..y C..eek crested at
<br />aDout 10 p.m. and had a poak discharge 01 25,000 cubic faet pe..
<br />second in Denve... The Cherry Creek Flood Commis~lon est Imated
<br />that ..unoff occurred from an area of about 200 squa..o miles.
<br />Flood damilge~ In the reach bet~een Franktown and the site 01 the
<br />existing Che..ry Creok Dam and Reservol.. totaled $554,000.
<br />
<br />JulY 1922. A seve..e sto..m centered ove.. the 8ayou
<br />Gulch basin, a tributa..y to Cherry Creek, durlnq the afte..noon of
<br />28 Jllly 1922. I-leavyralllfall was..oportedto hllvooccu....ed Inen
<br />area bounded ~y lines ~ miles north of Parker, about 4 mi les west
<br />of Cherry Cre"k, I ",i Ie south of r..anktown, and by the Douglas
<br />
<br />Iromtho"..ea.
<br />
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<br />li~a or. thQ ,,~st.
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<br />Ur,,,ff lo:iei ''; I~fill: "".oy;,ts "",- :"'~ (r,.i'
<br />
<br />Auqustl945. A lilr<)esto..mmilS5rnoved into south-
<br />eastern ColoradO on 5 August 19~5 and oxtendeo over the Che....y
<br />C..eek basin. Unofficial ralntall amounts va..ied t..om 2 to 5
<br />i nche~. ~""ere floodl ng occu....ed a Ion" Cherry t;re(lK tn t~"
<br />Fronktown _ f'4r~or a"ea. Th" n1l9 i n9 st~ti"n at Melyin .."co..d"d
<br />a "eak dtSCM..qf> of IO,7iYl CUbic fA'" per SAcond. Total ~"",,'ge5
<br />-...eestl",,,t,,d 10 he $200.000.
<br />
<br />I inch to 3.5 Inches, occur..ing in "bout 2 hou..s. An est;matod
<br />peak discharge of 8,700 cu~lc feet pe.. second discha..q"d out 01
<br />tlayouGlllch. Thedlsch"..goonChe..ryCraok, 3m;lesno..thot
<br />Pa..ke.., was ~stlmated to be 17,000 cubic feet per second.
<br />Although no damagos ~ere experienced in Denver, t~ls "'''S cons1d-
<br />O"Od II m"jor flood for the upstrea." part of th" b~si n.
<br />
<br />Juoe 1965. On It, JunfJ :'1'.5. ""'"jo..stormcente..ed
<br />..wer the Pill'., Cro",k Md C~"rry C..e"k ~aslns. "~;nl,,1 I ""","nts,
<br />
<br />""nor reo l'y "nor i ;cl.11 ~oJrG"~. r "r'(j~'u u" Iv
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