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. . FEDERAL EMERGENCY MANAGEMENT AGENCY REGION VIII Denver Federal Center, Building 710 Denver, Colorado 80225 July 28, 1980 Chairman Bob Briggs Board of County Commissioners Administration Building 450 South Fourth Avenue Brighton, Colorado 80601 ~~~~ .;Jl'ff. o .\\ {;!)?~ , .J,..'- .-'-. r>.\JG 01 19SC ~-' COLO""-" I~ CONSERVA1\ON BOAR Dear Chairman Briggs: Recently, the Board of Commissioners voted against a proposed amend- ment to the existing County Zoning Regulations, Chapter 11, Section 11.280. The proposed amendment, if passed, would have specifically made reference to three studies prepared by the Urban Drainage and Flood Control District (UDFCD). These studies include the following: Flood Hazard Delineation - Broomfield Area, Flood Hazard Delineation - Direct Flow Area 0054, and Flood Hazard Delineation - Clear Creek. As it reads now, Section 11.280(i) assures that the County will enforce floodplain regulations contained in Chapter 11 for: "any other studies which shall be designated by the Colorado Water Conservation Board." Since the UDFCD studies were designated by the Colorado Water Conserva- tion Board, it is our interpretation that floodplain regulations will be applied to these studies. To be assured that the County intends to regulate this area according to the criteria set down in Chapter 11, we are asking for a response to the following question: Does the County intend to enforce floodplain management regulations for the following UDFCD studies: Flood Hazard Delineation - Broomfield Area, Flood Hazard Delineation - Direct Flow Area 0054, and Flood Hazard Delineation - Clear Creek? In a related matter, we also understand that the County has never adopted the Flood Insurance Rate Map (FIRM) which was issued February 1, 1979. This map is a part of the Flood Insurance Study (FIS) dated August, 1978 which our agency prepared and which identifies flood hazard risk zones for purposes of the National Flood Insurance Program. As a condition of participating in this program, the County is required to adopt the FIRM and the FIS and reference them within its floodplain regulation. Therefore, we are asking for a response to a second question: Does the County intend to adopt the Flood Insurance Rate Map dated February 1, 1979 and Flood Insurance Study dated August, 1978 and reference them in the County's floodplain zoning regulations?