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FLOOD INSURANCE STUDY 1.0 INTRODUCTION 1.1 Purpose of Study This Flood Insurance Study has been prepared to revise and update a previous Flood Insurance StudyjFlood Insurance Rate Map for the City of Montrose, Montrose County, Colorado. This information will be used by Montrose to update existing flood plain regulations as part of the regular program of flood insurance by the Federal Emergency Agency (FEMA). The information will also be used by local and regional planners to further promote sound land use and flood plain development. In some states or communities, flood plain 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 juris- dictional agency) shall be able to explain them. 1.2 Authority and Acknowledgments The sources of authority for this Flood Insurance Study are the National Flood Insurance Act of 1968 and the Flood Disaster Protec- tion Act of 1973. The hydrologic and hydraulic analyses for Uncompahgre River were performed by the U.S. Army Corps of Engineers, Sacramento District, in February 1980 (Reference 1). The hydrologic and hydraulic analyses for Montrose Arroyo and Cedar Creek were performed for the Colorado Water Conservation Board (CWCB) by Hydro-Triad, Ltd., and Gingery Associates, Inc., (References 2 and 3, respectively). All of the floodways developed for this study were prepared by MSM Consultants, Inc., for FEMA, under Contract No. H-4710. This work, which was completed in December 1981, covered all significant flood- ing sources affecting the City of Montrose. 1.3 Coordination An initial coordination meeting was held in the City of Montrose on March 23, 1978. This meeting, attended by representatives of Montrose, FEMA, and the study contractor, was held to discuss the nature and purpose of the study and the scope and limits of work.