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CHANGES ARE MADE IN DETERMINATIONS OF BASE FLOOD ELEVATIONS FOR THE TOWN OF PARKER AND THE UNINCORPORATED AREAS OF DOUGLAS COUNTY, COLORADO, UNDER THE NATIONAL FLOOD INSURANCE PROGRAM On July 4, 1989, and September 30, 1987, respectively, the Federal Emergency Management Agency identified Special Flood Hazard Areas (SFHAs) in the Town of Parker and in the unincorporated areas of Douglas County, Colorado, through issuance of Flood Insurance Rate Maps (FIRMs). The Federal Insurance and Mitigation Administration has determined 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 (Title XIII of the Housing and Urban Development Act of 1968, Public Law 90-448), 42 U.S.C. 4001-4128, and 44 CFR Part 65. A hydraulic analysis was performed to incorporate the Canterberry Crossing (Villages of Parker) development along Sulphur Gulch from approximately 1,580 feet downstream of Canterberry Parkway to approximately' 1,130 feet upstream of County Road 9. This has resulted in a revised delineation of the regulatoIYifloddway, increases and decreases in SFHA width, and increased and decreased BFEs for Sulphur G*lch. The table 'qelow indicates existing and modified BFEs for selected locations along the affected lengths of the flooding source(s) cited above. Location Existing BFE Modified BFE (feet)* (feet) * 5,988 5,989 6,065 6,061 6,090 6,091 6,123 6,119 I Approximately 2,870 feet upstream of Riva Ridge Road I Approximately 400 feet downstream of Town of Parker corporate limits 2 Approximately 620 feet upstream of Town of Parker corporate limits 2 Approximately 1,000 feet upstream of County Road 9 *Referenced to the National Geodetic Vertical Datum, rounded to the nearest whole foot ITown of Parker 2Unincorporated areas of Douglas County Under the above-mentioned Acts of 1968 and 1973, the Federal Insurance and Mitigation Administration 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 Federal Insurance and Mitigation Administration 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 Federal Insurance and Mitigation Administration's determination to modify the BFEs may itself be changed.