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Federal Emergency Management Agency Washington, D,C. 20472 CERTIFIED MAIL RETURN RECEIPT REQUESTED IN REPLY REFER TO: Case No.: 9S-0S-036P The Honorable Polly Page Chairperson, Arapahoe County Board of Commissioners 5334 South Prince Street Littleton, Colorado S0166 Community: Arapahoe County, Colorado Community No.: OSOOll Panels Affected: OSOO5C0230 J and 0235 J Effective Date of This Revision: 0 E C 0 9 1997 102-D Dear Ms. Page: This responds to a request that the Federal Emergency Management Agency (FEMA) revise the effective Flood Insurance Rate Map (FIRM) for Arapahoe County, Colorado and Incorporated Areas (the effective FIRM for your community), in accordance with Part 65 of the National Flood Insurance Program (NFIP) regulations. In a letter dated October S, 1997 (copy enclosed), Mr. Michael J. Armstrong, Associate Director of Mitigation, FEMA, stated that FEMA would revise the FIRM to change the zone designation along Box Elder Creek from Zone AE to Zone A. We have revised the FIRM to modify the zone designations of the flood having a I-percent chance of being equaled or exceeded in any given year (base flood) along Box Elder Creek; reflect a Letter of Map Amendment dated December 4, 1995; and realign the streamline for an unnamed tributary to Box Elder Creek just upstream of East Colfax Avenue. We have eliminated Profile Panel(s) 25P through 2SP and the affected portions of the Flood Insurance Study (FIS) report revised August 16, 1995. The modifications are shown on the enclosed annotated copies of FIRM Panel(s) OS005C0230 J and OSOO5C0235 J. This LOMR hereby revises the above-referenced panel(s) of the effective FIRM revised August 16, 1995. Because this revision request also affects the City of Aurora and Adams County, separate LOMRs for those communities were issued on the same date as this LOMR. The modifications are effective as of the date shown above. The map panel(s) as listed above and as modified by this letter will be used for all flood insurance policies and renewals issued for your community. A review of the determination made by this LOMR and any requests to alter this determination should be made within 30 days. Any request to alter the determination must be based on scientific or technical data. We will not physically revise and republish the FIRM and FIS report for your community to reflect the modifications made by this LOMR at this time. When changes to the previously cited FIRM panel(s) and FIS report warrant physical revision and republication in the future, we will incorporate the modifications made by this LOMR at that time. This LOMR is based on minimum floodplain management criteria established under the NFIP. Your community is responsible for approving all floodplain development, and for ensuring all necessary permits required by Federal or State law have been received. State, county, and community officials, based on knowledge of local conditions and in the interest of safety, may set higher standards for construction in the Special Flood Hazard Area. If the State, county, or community has adopted more restrictive or comprehensive floodplain management criteria, these criteria take precedence over the minimum NFIP criteria.