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<br />v' <br />.. <br /> <br />CHANGES ARE MADE IN DETERMINATIONS OF BASE FLOOD ELEVATIONS FOR ARAPAHOE <br /> <br />COUNTY, COLORADO AND INCORPORATED AREAS UNDER THE NATIONAL FLOOD <br /> <br />INSURANCE PROGRAM <br /> <br />On August 16, 1995, the Federal Emergency Management Agency (FEMA) identified Special <br /> <br />Flood Hazard Areas (SFHAs) in Arapahoe County, Colorado and Incorporated Areas through issuance <br /> <br />of a Flood Insurance Rate Map (FIRM), <br /> <br />The Mitigation Directorate has determined that modification of the elevations of the flood having <br /> <br />a I-percent chance of being equaled or exceeded in any given year (base flood) for certain locations in <br /> <br />the Unincorporated Areas of Arapahoe County is appropriate. The modified base flood elevations (BFEs) <br /> <br />revise the FEMA FIRM for the community. <br /> <br />The changes are being made pursuant to Section 206 of the Flood Disaster Protection Act of 1973 <br /> <br />(Public Law 93-234) and are in accordance with the National Flood Insurance Act of 1968, as amended <br /> <br />(Title XIII of the Housing and Urban Development Act of 1968, Public Law 90-448),42 U,S.C. 4001- <br /> <br />4128, and 44 CFR Part 65. <br /> <br />A hydraulic analysis was performed to incorporate the effects of updated topographic data, <br /> <br />detention pond construction, culvert construction, and channel modifications, and has resulted in a revised <br /> <br />delineation of the regulatory floodway and SFHA, and modified BFEs from just downstream of East <br /> <br />Arapahoe Road to just downstream of Inverness Drive East. The table below indicates the modified BFEs <br /> <br />for several locations along the affected length of Cottonwood Creek. <br />