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<br />PREFACE <br /> <br />This report is part of a program by the Colorado Water Conservation Board (CWCB) to make <br />approximate floodplain maps prepared by the Federal Emergency Management Agency (FEMA) <br />easier for local governments to use, This CWCB report provides limited engineering information <br />to support the approximate delineations on the maps, and it provides floodplain management <br />information to guide the local governments in the use of the maps, <br /> <br />The official floodplain information for the Town of Rocky Ford is the Flood Insurance Rate Map <br />(FIRM), dated June 3, 1980, The FIRM was prepared by the Federal Insurance Administration <br />(FIA), however this federal map does not have any published information accompanying it to <br />describe either the engineering basis of the map or the manner in which the town could use it for <br />floodplain management. The initial purpose of this report, therefore, is to provide the community <br />with limited supporting information, The report includes a description of a hydrologic analysis <br />that was performed for the community as part of the CWCB's technical assistance program, The <br />hydrologic analysis is consistent with the map in this report, In addition, the report gives the <br />community some basic information about floodplain management and it gives some alternatives <br />that could be considered in formulating and implementing its floodplain management objectives, <br /> <br />, <br /> <br />A second function of this report is to assure that the FIRM meets the basic technical requirements <br />for designation and approval by the CWCB. Without a report and without a hydrologic analysis, <br />a map like the FIRM for Rocky Ford cannot qualify for CWCB designation, Colorado statutes <br />require that local governments obtain from the cwes the designation and approval of floodplain <br />information prior to its use for regulatory purposes, This report provides a means for the FIRM <br />to meet that statutory objective, <br /> <br />The FIRM was prepared prior to the completion of a CWCB document entitled "Guidelines for <br />Determining lOO-year Flood Flowsfor Approximate Floodplains" (Guidelines), That document <br />provides the necessary hydrologic information in support of the 100.year floodplain boundaries <br />identified on the FIRM, The hydrologic information contained in the Guidelines was used in <br />preparing this report and it supports the subsequent designation of the Rocky Ford FIRM, <br />