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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'1Uiln' 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.1nthethcnaxlst-
<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"da
<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 tot~1 occurred upst..eam Irom Denver. This llood ceused
<br />addl. i-:>na I econnmic "ff"ct~ In th" Ch"rrv Creek h~sln. Loss of
<br />t~o dam cut of 1 wator supp lies to ilooUt ~ ,000 ac..es of I and,
<br />The basin suffe..ed a severe recession and many le",III,,~ ''',wAd
<br />
<br />July 1912. In 1'.l12.theonlyWeiltherFJu""iluSt<>-
<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 ",iles 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 foet pe..
<br />second in Denve... The Cherry Creek Flood Commis~lon est Imated
<br />th~t ..unoff occurred from an area of about 200 squa..o miles.
<br />Flood damage~ In the reach bet~een Franktown and the site ot the
<br />existing Che..ry Creok Dam and Reservol.. totaled $554,000.
<br />
<br />JulY 1922. A seve..e sto..m centered OVO" the fjayou
<br />Gulch basin, a tributa..y to Cherry Creek, durlnq the aftc..noon of
<br />28 Jllly 1922. I-leavyralllfall Wi'ls..oportedto hllvooccu....ed Inen
<br />aroa bounded by lines ~ miles north of Parker, about 4 mi le5 west
<br />01 Cherry Gre"k, I ",i Ie south of r..anktown. and by the Douglas
<br />
<br />tromtho""",a,
<br />
<br />""""->,,
<br />~~~'" ,
<br />
<br />:i~a or, thQ ,,~st.
<br />
<br />Ur,,,ff l.:i~i ''; I~fill: "".oy;,ts "",- :"'~ (r,)ii'
<br />
<br />Auqustl945. A lilr')e5to..mmessrnoved into south-
<br />oastern ColoradO on 5 August 19~5 and oxtendeo over the Che....y
<br />C..eek basin. Unofficial raln~all amounts va..ied t..om 2 to 5
<br />i nche~. ~""ore floodl ng occu....ed a Ion" Cherry CrOOK tn t~"
<br />Fronktown _ f'ar~or a"ea. Th" n1l9 i n9 stati,," at Melyin .."co..d"d
<br />a ""ak dtSCM..qf> of IO,7iYl cubic fA"t per SAcond. Total ~a",,'gos
<br />-...eestl,"at"d loho$200,OOO,
<br />
<br />I inch to 3.5 Inches, occur..ing in "bout 2 hou..s. An estimatod
<br />peak discharge of 8,700 cub1c feet pe.. second disch"..g"d out of
<br />""you G~ Ich. The d ischa..go on Che..ry Craok, 3 m; les no..th ot
<br />Pa..ke.., was ~stl"'ated to be 17,000 cubic feet per second.
<br />Although no damagos ~ere experienced in Denver, t~13 "'''S con51d-
<br />e"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 />ewer the Pill'., Cro",k Md C~"rry C..e"K basins, "~;nf~1 I """,unts.
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