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Last modified
1/25/2010 7:09:20 PM
Creation date
10/5/2006 2:23:12 AM
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Template:
Floodplain Documents
County
Boulder
Community
Boulder
Stream Name
Goose, Wonderland, Elmer's Twomile, 2-mile, 4-mile
Basin
South Platte
Title
Major Drainageway Planning Volume 1, Part B
Date
4/1/1969
Prepared For
Boulder County
Prepared By
CWCB
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br />II <br />I <br />I <br />I <br />: I <br />, I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Des i gn Po i n ts", <br /> <br />FI <br />F2 <br />F3 <br />F4 <br />F5 <br />F6 <br />F7 <br />WI <br />W2 <br />W3 <br />w4 <br />W5 <br />EI <br />E2 <br />E3 <br />El+E2+E3 <br />E4 <br />E5 <br />Tl <br />T2 <br />T3 <br />T4 <br />GI <br />G2 <br />G3 <br />G4 <br />G5 <br />G5 + T4 <br />G6 <br />G6 + E5 <br />G7 <br />G8 <br />G8 + W5 <br />G9 <br /> <br />21 <br /> <br />TABLE IV-2 <br /> <br />100-Year Design Flows <br /> <br />Design Flood <br />to Des ign Point <br />(efs) <br /> <br />2050 <br />2050 <br />2200 <br />2300 <br />2400 <br />2600 <br />2600 <br />550 <br />1050 <br />1050 <br />1350 <br />1650 <br />450 <br />270 <br />150 <br />750 <br />800 <br />800 <br />1150 <br />1600 <br />1600 <br />1650 <br />600 <br />1200 <br />1400 <br />1800 <br />1800 <br />2600 <br />2800 <br />3600 <br />3800 <br />3800 <br />5300 <br />5500 <br /> <br />Location <br /> <br />Canyon Mouth (3200 cfs before ponding) <br />Broadway <br />19th <br />28th <br />C&SR.R. <br />Boulder & Left-Hand Ditch--County Rd. 43 <br />Boulder Creek <br />Broadway <br />19th <br />28th <br />County Road #53 <br />Goose Creek <br />I r is <br />26th - Iris <br />I r i s <br />I r i s <br />Glenwood Avenue <br />Goose Creek <br />Canyon Mouth <br />Broadway <br />19th <br />Goose Creek <br />North Boulder Park <br />13th <br />17th <br />19th <br />Above Twomile Canyon Creek Confluence <br />Below Twomile Canyon Creek Confluence <br />Above Elmer's Twomi Ie Confluence <br />Below Elmer's Twomile Confluence <br />C & 5 R,R, <br />Above Wonderland Confluence <br />Below Wonderland Confluence <br />Boulder Creek <br /> <br />*Refer to Figure IV-2 for location of design points <br /> <br />F = Fourmile Canyon Creek <br />W = Wonderland Creek <br />E = Elmerls 'Twom; Ie Creek <br />T = Twomile Canyon Creek <br />G = Goose Creek <br />
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