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<br />FLOOD INSURANCE STUDY <br /> <br />1. 0 INTRODUCTION <br /> <br />1.1 Purpose of Study <br /> <br />This Flood Insurance Study investigates the existence and severity <br />of flood hazards in the unincorporated areas of Rio Grande County, <br />Colorado, and aids in the administration of the National Flood <br />Insurance Act of 1968 and the Flood Disaster Protection Act of <br />1973. This study has developed flood risk data for various areas <br />of the community that will be used to establish actuarial flood <br />insurance rates and assist the community in its efforts to promote <br />sound flood plain management. Minimum flood plain management re- <br />quirements for participation in the National Flood Insurance Program <br />(NFIP) are set forth in the Code of Federal Regulations at 44 CFR <br />60.3. <br /> <br />This Flood Insurance Study was prepared by compiling existing hyd- <br />rologic and hydraulic technical and scientific data. The data <br />were identified as the best available at the time of compilation <br />of this Flood Insurance Study and should depict the general condi- <br />tions of the flooding sources with relative accuracy. The Federal <br />Emergency Management Agency (FEMA) performed a cursory review and <br />accepted the data as valid for purposes of this Flood Insurance <br />Study and the NFIP. However, if better information is known to <br />exist or has been developed since the date of this study, the infor- <br />mation should be immediately forwarded to the address below for <br />consideration for revision of this study: <br /> <br />Natural and Technological Hazards Division, FEMA <br />Denver Federal Center, Building 710 <br />Box 25267 <br />Denver, Colorado 80225-0267 <br /> <br />In some states or communities, flood plain management criteria or <br />regulations may exist that are more restrictive or comprehensive <br />than the minimum Federal requirements. In such cases, the more <br />restrictive criteria take precedence and the State (or other juris- <br />dictional agency) will be able to explain them. <br /> <br />1.2 Authority and Acknowledgments <br /> <br />The sources of authority for this Flood Insurance Study are the <br />National Flood Insurance Act of 1968 and the Flood Disaster Protec- <br />tion Act of 1973. <br /> <br />The hydrologic and hydraulic analyses for portions of this study <br />were performed by Camp, Dresser and McKee, as reported in the Flood <br />