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Last modified
11/23/2009 12:39:54 PM
Creation date
5/18/2007 4:39:56 PM
Metadata
Fields
Template:
Floodplain Documents
County
Boulder
Community
Boulder County and Incorporated Areas
Title
FIS - Boulder County and Incorporated Areas - Vol 1
Date
10/4/2002
Prepared For
Boulder County
Prepared By
FEMA
Floodplain - Doc Type
Current FEMA Regulatory Floodplain Information
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<br /> Table 4. Summary of Discharges <br /> Drainage Area Peak Discharges (Cubic Feet per Second) <br /> Floodin Source and Location i!gyare Miles IO-Year 50-Year lOO-Year 50Q-Year <br /> James Creek <br /> At Cross Section A 14.5 355 2,180 3,930 10,880 <br /> At Main Street Bridge 12.2 300 1,185 3,205 8,850 <br /> At Confluence With Little James Creek 12.1 300 1,760 3,160 8,725 <br /> At Upstream Corporate Limit of Jamestown 8.9 200 1,190 2,140 6,010 <br /> Lefthand Creek <br /> At Mouth 12.0 520 2,480 4,610 10,320 <br /> Little James Creek <br /> At Confluence With James Creek 2.8 130 650 1,160 3,220 <br /> At Confluence With Unnamed Tributary <br />~ to Little James Creek 2.25 130 650 1,160 3,220 <br />...... <br /> At Upstream Corporate Limit of Jamestown 1.8 109 544 970 2,690 <br /> Unnamed Tributary to Little James Creek <br /> At Upstream Corporate Limit of Jamestown 0.5 30 150 270 760 <br /> Little Thompson River __1 <br /> At Larimer-Weld County Line 2,800 5,500 7,200 12,800 <br /> Middle Boulder Creek <br /> At Cross Section A 36.3 693 884 960 1,130 <br /> At Cross Section G 29.9 596 760 825 971 <br /> Nissen Reservoir Channel <br /> At Confluence With Big Dry Creek 2.67 1.860 3.150 3,400 5,600 <br /> -_lData Not Available <br />
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