FLOOD04229

• County: Douglas
• Community: Franktown
• Stream Name: Cherry Creek
• Basin: South Platte
• Title: Floodplain Information Report
• Date: 10/1/1976
• Prepared For: Douglas County
• Prepared By: US Army Corps of Engineers
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

FlJTURE FlOCQS

Floods 0/ thD 53/1'10 O~ la~ge~ magnitude than those that
~'i1VC oc;cu~~od could occur In the tutu~c. To dcto~"'lnc the flood
potential ot the study a~ea, the 10-yea~, 50.yea~, IOO-yea~, and
5QO-yea~ tloods we~e analyzed. The results at this analysis a~e
presented In this ~eport as a meilns 0/ demonstrating the effects
of laNle/loods,

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Discha~ge magnitudes for floods analyzed In this repo~t
wOre based upon an analysis at stream gagIng data at the U.S.G,$.
stream gages lociltod nea~ Franktown and nea~ Pa~ker, Information
on these streamgageswilspresented lntahle2. DISChargo-
p~obabl I Ity ~e latlonShlps fo~ the upstream and downstream limits
of the study rellch Were dsveloped using data from the Franktown
and Parker st~ea'" gages, respectively. The p~esence of 32 flood-
water retarding structures in the Cherry Creek basin, constructed
by IheSo;1 Conservdtiurl S"rvl<.-,,,, WdS tdk"n inlodc<.-'Ount. Th"
following tabl.. pr"~ents dlSCh"r"" data u~ed in this report.

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Figure 12. Looking downstream tromStrOh....venuo,

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Table 5
Summary of Pertinent Qlscharges
Cherry Creek Rasln

LocaTion

IO-veilr SO-Yeilr IOO-vell~ SO(l-vear
Drainage Discharge Discharge DIscharge Di sch~rge
Area P"ak PeaK ""ilK Pe~K
(sq. mi,) (c,!.~. I (C. f .~,) (c.t.:;,) tc.f,5.l

Downstred01
Limit

'"

10,}QO

31,0QO

51,000

150,000

Upstream
Limit

'co

~ ,~OO

9,300

1},300

53,000

rigur..

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Lvuklng ;QU~~C~S~ ~~~~:;t~ca~ f~c~
Stro~ A~enue.

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