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<br />CHANGES ARE MADE IN DETERMINATIONS OF BASE FLOOD ELEVATIONS FOR THE <br />UNINCORPORATED AREAS OF EL PASO COUNTY, COLORADO, UNDER THE NATIONAL <br />FLOOD INSURANCE PROGRAM <br /> <br />On March 17, 1997, the Department of Homeland Security's Federal Emergency Management Agency <br />identified Special Flood Hazard Areas (SFHAs) in the unincorporated areas ofEI Paso County, Colorado, <br />through issuance of a Flood Insurance Rate Map (FIRM), The Mitigation Division has detennined that <br />modification of the elevations of the flood having a I-percent chance of being equaled or exceeded in any <br />given year (base flood) for certain locations in this community is appropriate, The modified Base Flood <br />Elevations (BFEs) revise the FIRM for the community, <br /> <br />The changes are being made pursuant to Section 206 of the Flood Disaster Protection Act of 1973 (Public <br />Law 93-234) and are in accordance with the National Flood Insurance Act of 1968, as amended <br />(Title XIII of the Housing and Urban Development Act of 1968, Public Law 90-448), 42 U,S,C, <br />4001-4128, and 44 CFR Part 65. <br /> <br />A hydraulic analysis was performed to incorporate new hydrologic, hydraulic, and topographic data for <br />Haegler Ranch Tributary 2 from approximately 310 feet upstream to approximately 3,140 feet upstream <br />of the confluence with Geick Ranch West Tributary; for Haegler Ranch Tributary 3 from approximately <br />8, I 00 feet downstream to approximately 400 feet upstream of Curtis Road; and for Haegler Ranch <br />Tributary 4 from approximately 4, I 00 feet downstream to approximately 400 feet upstream of Curtis <br />Road. This has resulted in increases and decreases in SFHA width and increased BFEs for the <br />above-mentioned tributaries, The table below indicates existing and modified BFEs for selected locations <br />along the affected lengths of the flooding source(s) cited above. <br /> <br />Location <br /> <br />Existing BFE <br />(feet)* <br /> <br />Modified BFE <br />(feet) * <br /> <br />Haegler Ranch Tributary 2: <br />Approximately 310 feet upstream of confluence with <br />Geick Ranch West Tributary <br />Approximately 3,140 feet upstream of confluence with <br />Geick Ranch West Tributary <br /> <br />None <br /> <br />6,735 <br /> <br />None <br /> <br />6,779 <br /> <br />Haegler Ranch Tributary 3: <br />Approximately 8,100 feet downstream of Curtis Road <br />Approximately 300 feet upstream of Curtis Road <br /> <br />None <br />None <br /> <br />6,672 <br />6,769 <br /> <br />Haegler Ranch Tributary 4: <br />Approximately 4,000 feet downstream of Curtis Road <br />Approximately 300 feet upstream of Curtis Road <br /> <br />None <br />None <br /> <br />6,688 <br />6,758 <br /> <br />*National Geodetic Vertical Datum, rounded to nearest whole foot <br /> <br />Under the above-mentioned Acts of 1968 and 1973, the Mitigation Division must develop criteria for <br />floodplain management. To participate in the National Flood Insurance Program (NFIP), the community <br />must use the modified BFEs to administer the floodplain management measures of the NFIP, These <br />modified BFEs will also be used to calculate the appropriate flood insurance premium rates for new <br />buildings and their contents and for the second layer of insurance on existing buildings and contents, <br />