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FLOOD01589
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Last modified
11/23/2009 12:58:14 PM
Creation date
10/4/2006 10:08:02 PM
Metadata
Fields
Template:
Floodplain Documents
County
Clear Creek
Community
Georgetown
Stream Name
Clear Creek, South Clear Creek
Title
Flood Hazard Identification Report
Date
2/1/1987
Prepared For
Georgetown
Prepared By
CWCB
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />INTERPRETATION AND USE OF REPORT <br /> <br />Flood Frequency and Discharge <br /> <br />Discharges listed in "Hydrologic Analysis" in this report are given <br />for the 10-, 50-, 100-, and 500-year frequencies. This discharge <br />information can be used for planning and engineering of floodplain <br />improvements as well as for floodplain regulations upon official <br />designation by the Colorado Water Conservation Board. <br /> <br />The 100-year flood can be expected to occur at any time in a given <br />area. Based upon recorded historical precipitation, land runoff <br />characteristics and other data, ther is a one percent chance that the <br />100-year flood will be equalled or exceeded in anyone year. The <br />100-year flood is considered by CWCB and the Federal Insurance <br />Administration as the flood magnitude for which floodplains should be <br />designated for regulatory and improvement purposes. In Colorado, the <br />100-year floodplain is an area of state interest as defined in House Bill <br />1041 - Section 24-60-101 of the Colorado Revised Statutes. <br /> <br />Flood events rarer than the 100-year flood event can and will <br />occur. Plans for land improvement adjacent to the 100-year floodplain <br />should consider the probability of flood damage. <br /> <br />Flood Elevations <br /> <br />Plates 8 through 14 show the 10-year and 100-year flood profiles <br />for Clear and South Clear Creeks. <br /> <br />Plate 15 shows a graphical display of some of the cross-sections <br />and the computed 100-year flood elevations at these cross-sections. <br />Tables 1 and 2 give a summary of pertinent data at each cross-section. <br />The actual HEC-2 computer output is in the files of the Colorado Water <br />Conservation Board. In case of any question regarding 100-year flood <br />elevations, the flood profiles should be consulted. <br /> <br />Flood Insurance <br /> <br />The National Flood Insurance Program (NFIP) is a Federal program <br />that enables property owners to buy flood insurance at a reasonable, <br />subsidized cost. In return, communltles are required to carry out <br />floodplain management measures to protect lives and new construction from <br />future flooding. Exhibit 4 gives some NFIP rate information. Additional <br />information on the NFIP is available from the following sources: <br /> <br />COMMUNITY INFORMATION: <br /> <br />AGENT AND BROKER INFORMATION: <br /> <br />Federal Emergency Management Agency <br />Natural & Technological Hazards Division <br />Bldg. 710, Denver Federal Center <br />Box 25267 <br />Denver, CO. 80225-0267 <br />(tel. no. 235-4830) <br /> <br />Mr. Jim Quinn <br />Computer Sciences Corp. <br />2801 Youngfield, suite 320 <br />Golden, CO. 80401 <br /> <br />(tel. no. 231-9911) <br /> <br />9 <br />
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