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FLOOD00653
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Last modified
11/23/2009 1:21:37 PM
Creation date
10/4/2006 9:24:47 PM
Metadata
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Template:
Floodplain Documents
Designation Number
253
County
Boulder
Community
Jamestown
Title
Flood Insurance Study - Jamestown, Boulder County, Colorado
Date
1/1/1983
Designation Date
3/1/1986
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />'" <br /> <br />,. <br /> <br />/" <br /> <br />~ <br /> <br />',' <br /> <br />'. <br /> <br />" <br /> <br />.' . <br /> <br />Flooding Source and Location <br /> <br />Table 1. Summary of Discharges <br /> Drainage Area Peak Discharges (Cubic Feet per Second) <br /> (Square Miles) 10-Year 50-Year 100-Year SOO-Year <br /> 14.5 355 2,180 3,930 10,880 <br /> 12.2 300 1,785 3,205 8,850 <br /> 12.1 300 1,760 3,160 8,725 <br /> 8.9 200 1,190 2,140 6,010 <br /> 2.8 130 650 1,160 3,220 <br /> 2.25 130 650 1,160 3,220 <br /> 1.8 109 544 970 2,690 <br /> <br />James Creek <br />At Cross section A <br />At Main Street Bridge <br />At Confluence With <br />Little James Creek <br />At Upstream Corporate Limit <br /> <br />Little James Creek <br />At Confluence with James Creek <br />At Confluence with Unnamed Tri- <br />butary to Little James Creek <br />At Upstream Corporate Limit <br /> <br />Unnamed Tributary to Little James <br />Creek <br />At Upstream Corporate Limit <br /> <br />0.5 <br /> <br />30 <br /> <br />150 <br /> <br />270 <br /> <br />760 <br />
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