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( ~ . . . Federal Emergency Management Agency Washington, D.C. 20472 AUG 2 3 2001 CERTIFIED MAIL RETURN RECEIPT REQUESTED IN REPLY REFER TO: Case No,: 00-08-4I7P The Honorable Ed Jones Chairman, EI Paso County Board of Commissioners 27 East Vermijo Avenue, Third Floor Colorado Springs, CO 80903-2208 Community: EI Paso County, CO Community No.: 080059 Panel Affected: 08041 C0285 F Effective Date of SEP 2 3 2001 This Revision: 102-I-C Dear Mr. Jones: This responds to a request that the Federal Emergency Management Agency (FEMA) revise the effective Flood Insurance Rate Map (FIRM) for your community in accordance with Part 65 of the National Flood Insurance Program (NFIP) regulations. In a letter dated September 22, 2000, Mr. Dan Bunting, Regional Floodplain Administrator, Pikes Peak Regional Building Department, requested that FEMA revise the FIRM to show the effects of culvert installation associated with development of King's Deer Highlands Subdivision Filing No.6, The culvert project included construction of three 54-inch-diameter corrugated-metal pipe culverts under White Cliff Way approximately 6,000 feet north of State Highway 105 and approximately 4,000 feet west of State Highway 83 in Section 4, Township II South, Range 66 West. The Special Flood Hazard Area (SFHA), the area that would be inundated by the flood having a I-percent chance of being equaled or exceeded in any given year (base flood), for an unnamed tributary to West Cherry Creek (unnamed tributary) at the project site is shown on the effective FIRM as Zone A, an SFHA with no Base Flood Elevations determined. This request also included detailed hydrologic and hydraulic analyses that incorporated updated topographic information to reflect existing watershed conditions along the unnamed tributary from approximately 3,000 feet downstream to just upstream of the southern boundary line of Section 4. All data required to complete our review of this request were submitted with letters from Mr, Leonard A, Beasley, Project Engineer, Leigh Whitehead & Associates, Inc., and Mr. Bunting. We have completed our review of the submitted data and the flood data shown on the effective FIRM. We have revised the FIRM to modifY the floodplain boundary delineations of the base flood along the unnamed tributary from approximately 3,000 feet downstream to just upstream of the southern boundary line of Section 4, As a result of the modifications, the width of the SFHA for the unnamed tributary increased in some areas and decreased in other areas. The modifications are shown on the enclosed annotated copy of FIRM Panel 08041C0285 F, This Letter of Map Revision (LOMR) hereby revises the above-referenced panel of the effective FIRM dated March 17, 1997, The modifications are effective as of the date shown above, The map panel listed above and as modified by this letter will be used for all flood insurance policies and renewals issued for your community.