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FLOOD INSURANCE STUDY ROUTT COUNTY, COLORADO AND INCORPORATED AREAS 1.0 INTRODUCTION 1.1 Purpose of Study This Flood Insurance Study (FIS) revises and updates information on the existence and severity of flood hazards in the geographic area of Routt County, Colorado, including the City of Steamboat Springs; the Towns of Hayden, Oak Creek, and Yampa; and the unincorporated areas of Routt County (referred to collectively herein as Routt County), and aids in the administration of the National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973. This study has developed flood-risk data for various areas of the communities that will be used to establish actuarial flood insurance rates and to assist the communities in their efforts to promote sound floodplain man~gement. Minimum floodplain management requirements for participation in the National Flood Insurance Program (NFIP) are set forth in the Code of Federal Regulations (CFR) at 44 CFR, 60.3. In some States or communities, floodplain management criteria or regulations may exist that are more restrictive or comprehensive than the minimum Federal requirements. In such cases, the more restrictive criteria take precedence and the State (or other jurisdictional agency) will be able to explain them. 1.2 Authority and Acknowledgments The sources of authority for this FIS are the National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973. Town of Hayden The hydrologic and hydraulic analyses for the original study for the Town of Hayden, published in December 1977 (Reference 1), were performed by the U.S. Bureau of Reclamation (USBR) for the Federal Insurance Administration (FIA) under Inter-Agency Agreement Nos. IAA-H-12-16 and IAA-H-28-75, Project Order Nos. 1 and 2, respectively. This work was completed in December 1976. Town of Oak Creek The hydrologic and hydraulic analyses for the original study for the Town of Oak Creek, published in July 1989 (Reference 2), were performed by the Colorado Water Conservation Board (CWCB), Denver, Colorado, in September 1986. City of Steamboat Springs The hydrologic and hydraulic analyses for the original study for the City of Steamboat Springs, revised in April 1983 (Reference 3), were performed by the u.s. Army Corps of Engineers (USACE), Sacramento District, for the FIA under Inter-Agency Agreement No. IAA-H-16-75, Project Order No. 17. This work was completed in April 1976. 1