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FLOOD08807
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Last modified
1/26/2010 10:06:31 AM
Creation date
10/5/2006 3:53:40 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
415
County
Pueblo
Community
Pueblo County and Unincorporated Areas
Basin
Arkansas
Title
FIS - Pueblo County and Unincorporated Areas
Date
9/29/1989
Prepared For
Pueblo County
Prepared By
FEMA
Floodplain - Doc Type
Current FEMA Regulatory Floodplain Information
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<br />Between cross sections the boundaries were interpolated using <br />topographic maps and aerial photographs. <br /> <br />Approximate areas of flooding were plotted directly from Flood <br />Hazard Boundary Maps (Reference 7). <br /> <br />The 100-year floodplain boundaries are shown on the Flood Insurance <br />Rate Map (~xhibit 2). On this map, the 100-year floodplain boundary <br />corresponds to the boundary of the areas of special flood hazards <br />(Zones A and AE). Small areas within the floodplain boundaries may <br />lie above the flood elevations but cannot be shown due to <br />limitations of the map scale and/or lack of detailed topographic <br />data. <br /> <br />For the streams studied <br />floodplain boundary is <br />(Exhibit 2). <br /> <br />by approximate methods, only the 100-year <br />shown on the Flood Insurance Rate Map <br /> <br />4.2 Floodways <br /> <br />Encroachment on floodplains, such as st ructures and fill, reduces <br />flood-carrying capacity, increases flood heights and velocities, and <br />increases flood hazards in areas beyond the encroachment. One <br />aspect of floodplain management involves balancing the economic gain <br />from floodplain development against the resulting increase in flood <br />hazard. For purposes of the NFIP, a floodway is used as a tool to <br />assist local communities in this aspect of floodplain management. <br /> <br />Floodways were not computed for this study. <br /> <br />5.0 INSURANCE APPLICATION <br /> <br />For flood insurance rating purposes, flood <br />are assigned to a community based on the <br />analyses. These zones are as follows: <br /> <br />insurance zone designations <br />resul ts of the engineering <br /> <br />Zone A <br /> <br />Zone A is the flood insurance rate zone that corresponds to the 100- <br />year floodplains determined in the Flood Insurance Study by <br />approximate methods. Because detailed hydraulic analyses are not <br />performed for such areas, no base flood elevations or depths are <br />shown within this zone. <br /> <br />Zone AE <br /> <br />Zone AE 1S the flood insurance rate zone that corresponds to the <br />100-year floodplains determined in the Flood Insurance Study by <br />detailed methods. In most instances, whole-foot base flood <br />elevations derived from the detailed hydraulic analyses are shown at <br />selected intervals within this zone. <br /> <br />11 <br />
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