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Kittitas County,WA <br /> § 17A.05.010 CRITICAL AREAS § 17A.05.040 <br /> CHAPTER 17A.05 <br /> FREQUENTLY FLOODED AREAS <br /> § 17A.05.010. Purpose and intent. <br /> It is the purpose of this chapter to reduce the risk to life, property damage, and public facilities that result <br /> from floods; mitigate flood hazards that may be exasperated by climate change; and to protect fish and <br /> wildlife habitat conservation areas that occur wholly or partially within frequently flooded areas. <br /> (Ord. 2021-016,2021) <br /> § 17A.05.020. Classification,designation, and mapping. <br /> 1. Mapped areas.All lands classified as floodway or special flood hazard areas in the Federal Emergency <br /> Management Agency report titled "The Flood Insurance Study for the County of Kittitas County" <br /> dated November 5, 1980,as now or hereafter amended,with accompanying Flood Insurance Rates and <br /> Boundary Maps,are designated as frequently flooded areas.The study and maps are on file at Kittitas <br /> County. <br /> 2. Other areas. The Flood Insurance Study maps may not show all potential flood hazard areas. Kittitas <br /> County may designate unmapped frequently flooded areas. Such designations may be appealed <br /> pursuant to KCC § 14.08.160. The Director's designation of an unmapped frequently flooded area <br /> shall be based upon the following criteria: <br /> a. Documented history of flooding; <br /> b. Presence of alluvial fan hazards and/or channel migration zones; <br /> C. Evidence of stream channel instability and susceptibility to erosion, and/or <br /> d. High groundwater flood hazards Ord. 2021-016,2021; <br /> § 17A.05.030. Protection standards. <br /> 1. Avoidance.All new development shall be located outside of frequently flooded areas,if at all possible <br /> and will follow the standard mitigation sequencing process, as defined in KCC § 17A.01.100. <br /> 2. Floodplain storage. New uses or developments shall not reduce the effective flood storage volume, <br /> alter the direction of flood flows, or concentrate flood flows within a frequently flooded area. If <br /> proposed grading, fill, or other alteration or development would reduce effective flood storage <br /> volume,then flood storage mitigation per KCC § 17A.05.050 is required. <br /> (Ord. 2021-016,2021) <br /> § 17A.05.040. Reporting. <br /> The Director's approval of a new use or development within a frequently flooded area shall be contingent <br /> upon reporting that meets the requirements of KCC § 14.08.110 through KCC § 14.08.130, the general <br /> critical areas report requirements of KCC § 17A.05.040, and the following: <br /> 1. The nature,location,dimensions, and elevations of the project property; <br /> 2. Names and location of all lakes, water bodies, streams, and drainage facilities within three hundred <br /> (300)feet of the site; <br /> Downloaded from https:Hecode360.com/KI6857 on 2025-05-15 <br />