FLOOD03173

• County: Statewide
• Community: All
• Basin: Statewide
• Title: State of Colorado 2002 Flood Documentation Report
• Date: 1/1/2003
• Prepared For: CWCB
• Prepared By: ICON Engineering, Inc.
• Floodplain - Doc Type: Flood Documentation Report

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Figure 2.10 - Topographic Map Area in Rifle, Colorado Impacted by Storm.

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Using NOAA Atlas 2 as a guide, the area was accounted for in the form ofa percent
reduction factored into the reported total point precipitation. The results are summarized
below in Table 2.1.

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Table 2.1 - H
Flood Event Date
Studied Duration (mins)
10- YR Total Preci itation
5- YR Total Precipitation (in.)
I 00- YR Total Preci itation (in.)
rotal Event Precipitation As Reported (in.)
Est. Draina 'e Area s . miles
Est. Correction Factor (percent)
Event Prcci itation Corrected (in.)
Est. Event Frc uene (yr)

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July 18, 2002
30
0.83
1.00
1.3 I
1.50
91
63%
0.95
Less Than 20

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ICO~ :='"lgineering. Inc

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January 2003