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FLOOD INSURANCE STUDY 1.0 INTRODUCTION 1.1 Purpose of Study The purpose of this Flood Insurance Study is to investigate the existence and severity of flood hazards in the unincorporated areas of Alamosa County, Colorado, and to aid in the administration of the National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973. Initial use of this information will be to convert Alamosa County to the regular program of flood insurance by the Federal Insurance Administration. Further use of the information will be made by local and regional planners in their efforts to promote sound land use and flood plain development. 1.2 Coordination Identification of streams requiring detailed and approximate study was accomplished in meetings at~ended by representatives of the U.S. Army Corps of Engineers, the Federal Insurance Administration, and Alamosa County in December 1974. During the course of the work, flood elevations, flood boundaries, and floodway delineations were reviewed with community officials. On July 15, with a followup on July 30, 1975, the results of the study were reviewed at final coordination meetings attended by representatives of the U.S. Army Corps of Engineers, Albuquerque District, the Federal Insurance Administration, and Alamosa County local residents. 1.3 Authority and Acknowledgments The source of authority for this Flood Insurance Study is the National Flood Insurance Act of 1968, as amended. The hydrologic and hydraulic analyses for this study were performed by the U.S. Army Corps of Engineers, Albuquerque District, for the Federal Insurance Administration, under Inter-Agency Agreement Nos. lAA-H-l6-75 and IAA-H-7-76, Project Order Nos. 20 and 1, respectively. This work, which was completed in October 1976, covered all signifi~ cant flooding sources affecting the unincorporated areas of Alamosa County.