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FLOOD07945
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Last modified
1/25/2010 7:13:13 PM
Creation date
10/5/2006 3:18:38 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
563
County
Grand
Community
Hot Sulphur Springs
Basin
Colorado Mainstem
Title
Floodplain Information Report
Date
5/1/2002
Prepared For
Hot Sulphur Springs and CWCB
Prepared By
Montgomery Watson Harza
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />. <br />. <br />. <br />. <br />I. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />!. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />I. <br />. <br />. <br />. <br />I: <br />,. <br />I. <br />. <br />i. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />I. <br />. <br />. <br />. <br />. <br /> <br />PREFACE <br /> <br />This Floodplain Information Report (FIR) is part of a program by the Colorado Water Conservation <br />Board (CWCB) to make approximate floodplain maps prepared by the Federal Emergency <br />Management Agency (FEMA) easier for local governments to use. This CWCB report provides <br />limited engineering information to support the approximate delineations on the FEMA maps, and it <br />provides floodplain management information to guide the local governments in the use ofthe maps. <br /> <br />The official floodplain information for the Town of Hot Sulphur Springs is the Flood Hazard <br />Boundary Map (FHBM), dated October 17, 1975. The FHBM was prepared by Federal Insurance <br />Administration (now FEMA) and contains only approximate floodplain delineations. The <br />approximate floodplains do not include any engineering information to describe the basis of the <br />approximate floodplain mapping. In addition, since the map was developed, the Town limits have <br />expanded and new floodplain delineations need to be added to the map. The initial purpose of this <br />report, therefore, is to provide the town with limited supporting information for the approximate <br />floodplain delineations. This FIR includes a description of available hydrologic information for <br />major flooding sources within or adjacent to the town. In addition, the FIR gives the town some <br />basic information about floodplain management and it provides some alternatives that could be <br />considered in formulating and implementing floodplain management objectives, <br /> <br />A second function of this report is to assure that the FHBM meets the basic technical requirements <br />for designation and approval by the CWCR Without the inclusion of basic engineering <br />information, the approximate floodplain delineations shown on the Town of Hot Sulphur Springs <br />Flood Hazard Boundary Maps (FHBMs) cannot qualifY for CWCB designation. Colorado statutes <br />require that local governments obtain from the CWCB the designation and approval of floodplain <br />information for its use in regulatory purposes, This FIR provides a means for the FHBMs to meet <br />that statutory objective. As new and more detailed floodplain information becomes available, the <br />approximate floodplain areas shown on the FHBM panels will become superseded, The CWCB <br />will designate and approve new information, and rescind old information as appropriate. As part of <br />this study, Heimbaugh Creek was analyzed and a 100 year floodplain was estimated using the <br />regional regression analysis. <br /> <br />2 <br />
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