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<br />'. <br /> <br />, <br />. <br /> <br />ATTACHMENT 4 <br /> <br />e <br /> <br />FPR 99-506 <br />Flood Insurance Study, Arapahoe County, Colorado and Unincorporated <br />Areas, dated March 4, 1991. <br /> <br />KEY ISSUES: <br />. The Flood Insurance Study prepared by FEMA contains detailed and approximate engineering <br />infonnation along with IOO-year floodplain delineations for streams within Arapahoe County. <br /> <br />. The 199 I F1S revises the floodplain information on Little Dry Creek, Big Dry Creek, and Cottonwood <br />Creek. <br /> <br />. The 1991 FIS is not the most current regulatory floodplain infonnation for the County. The most <br />current floodplain infonnation available to the County (1995 F1S) is being utilized by the floodplain <br />administrator for floodplain management and NFlP purposes. <br /> <br />. The 1991 F1S is being proposed for designation and approval at this time. The approximate and <br />detailed floodplain information contained in the FIS was the best available infonnation at the time of <br />the study, and was used for local floodplain management until more current infonnation superseded it. <br />The 199 I study will be appropriately rescinded once the latest regulatory floodplain infonnation for the <br />County has been reviewed and designated. <br /> <br />COMMUNITY RESPONSE: <br />A notification letter was sent by ewCB staff to the local floodplain administrator to inform <br />the County of the proposed Board action. The floodplain administrator was also contacted <br />via telephone to discuss the Flood Insurance Study and the designation process. The <br />floodplain administrator verbally supported the Board's action, and there were no apparent <br />concerns or issues regarding this study. The formal Board action for this study is being taken <br />under Rule 9.D.I, community request. The County will send a written request letter in the <br />near future for inclusion in the project file. <br /> <br />e <br /> <br />SUMMARY: <br />The staff recommends Board approval of the floodplain resolution for unincorporated Arapahoe <br />County that designates the March 4, 1991 Flood Insurance Study and the accompanying Flood <br />Insurance Rate Maps. The approximate and detailed floodplain information within this report has <br />been superseded by more current studies. However, formal action by the Board will assure that the <br />floodplain information has been appropriately recognized by the state, thereby complying with state <br />statutory requirements. <br /> <br />6 <br /> <br />e <br />