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FLOOD11237 (2)
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FLOOD11237 (2)
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Last modified
1/26/2010 10:22:33 AM
Creation date
2/20/2008 5:45:23 PM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
600
County
Boulder
Community
Boulder County and Unincorporated Areas
Stream Name
North Saint Vrain Creek
Basin
South Platte
Title
LOMR - Affected Panel 231F, 232F, 234F, 255F - Case No. 06-08-B252P
Date
2/28/2007
Prepared For
Boulder County
Prepared By
FEMA
Floodplain - Doc Type
Historic FEMA Regulatory Floodplain Information
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<br />Revised Data <br /> <br /> <br /> Table 4. Summary of Discharges <br /> Drainage Area Peak Discharges (Cubic Feet per Second) <br /> Floodin Source and Location (Souare Miles) lO-Year 50-Year 100-Year 500-Year <br /> North St. Vrain Creek - - - <br /> At Mouth 125.0 1,000 2,850 4,310 10,630 <br /> - - - <br /> South St. Vrain Creek <br /> At Mouth 92.0 1,400 3,750 5,430 ill ,900 <br /> Middle St. Vrain Creek <br /> At Mouth 32.4 590 1,430 2,000 4,070 <br /> Spring Culch __1 <br /> At Mouth 1,950 3,150 3,650 4,200 <br />~ West Lake Channel <br />\,0) At Confluence With <br /> Cay Reservoir Channel 0.74 330 520 610 850 <br /> West Lake Channel North Tributary <br /> Above Confluence With <br /> West Lake Channel __1 280 415 470 630 <br /> Wonderland Creek2 <br /> At Confluence With North Goose Creek 1.91 400 1,040 1,410 2,560 <br /> At 28th Street 1.35 300 840 1,130 1,860 <br /> At Broadway 0.85 160 380 480 1,400 <br /> At Upstream Limit of Detailed Study 0.38 30 80 110 190 <br /> IData Not Available <br /> 2Includes Flow Diversions From Fourmile Canyon Creek <br /> <br />
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