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.. !l CHANGES ARE MADE IN DETERMINATIONS OF BASE FLOOD ELEVATIONS FOR THE CTIY OF WESTMINSTER AND THE CTIY AND COUNTY OF BROOMFIELD, COLORADO, UNDER THE NATIONAL FLOOD INSURANCE PROGRAM On June 17, 2003, and September 30,1997, respectively, the Department ofHome1and Security's Federal Emergency Management Agency identified Special Flood Hazard Areas (SFHAs) in the City of Westminster and the City and County of Broomfield, Colorado, through issuance of Flood Insurance Rate Maps (FIRMs), The Mitigation Division has detennined that modification of the elevations of the flood having a I-percent chance of being equaled or exceeded in any given year (base flood) for certain locations in these communities is appropriate, The modified Base Flood Elevations (BFEs) revise the FIRMs for the communities, The changes are being made pursuant to Section 206 of the Flood Disaster Protection Act of 1973 (Public Law 93-234) and are in accordance with the National Flood Insurance Act of 1968, as amended (TitleXlII of the Housing and Urban Development Act of 1968, Public Law 90-448), 42 U.S.C. . 4001-4128, and 44 CPR Part 65_ A hydraulic analysis was perfonned to incorporate the effects of the Kohl's Department Store development along City Park Channel from Sheridan Boulevard to West 120th Street and has resulted in a revised delirleation of the regulatory floodway, increases and decreases in SFP..A" width, cuJ.d increased. and decreased BFEs for City Park Channel. The table below indicates existing and modified BFEs for. selected looations along the affected lengths of the flooding source(s) cited above, Location Existing BFE (feet)* Modified BFE (feet)* Just upstream of Sheridan Boulevard Approximately 600 feet downstream of -. w: est I 20th Avenue 5,287 5,289 5,295 5,294 "North American Vertical Datum (NA VD), rounded to nearest whole foot. Please note that the NA VD is . 3,1 feet higher than the datum for the City of Westminster, the National Geodetic Vertical Datum, Under the above-mentioned Acts of 1968 and 1973, the Mitigation Division must develop criteria for floodplain management. To participate in the National Flood Insurance Program (NFIP), the community 'must use the modified BFEs to administer the floodplain management measures of the NFIP, These modified BFEs will also be used to calculate the appropriate flood insurance premium rates for new buildings and their contents and for the second layer of insurance on existing buildings and contents. Upon the second publication of notice of these changes in this newspaper, any person has 90 days in which he or she can request, through the Chief Executive Officer of the community, that the Mitigation Division reconsider the determination. Any request for reconsideration must be based on knowledge of changed conditions or new scientific or technical data, All interested parties are on notice that until the 90-day period elapses, the Mitigation Division's determination to modify the BFEs may itselfbe changed.