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Chapter 17.56 - FLOODPLAIN ZONING <br /> Sec. 17.56.010.-Definitions. <br /> Sec. 17.56.020.-Statutory authorization. <br /> Sec. 17.56.030.-Findings. <br /> Sec. 17.56.040.-Purpose. <br /> Sec. 17.56.050.-Jurisdiction. <br /> Sec. 17.56.060.-Flood regulatory district. <br /> Sec. 17.56.070.-Establishment of official maps. <br /> Sec. 17.56.080.-Reserved. <br /> Sec. 17.56.090.-Applicability and effect of provisions. <br /> Sec. 17.56.100.-Interpretation. <br /> Sec. 17.56.110.-Liability. <br /> Sec. 17.56.120.-Flood regulatory district—Application. <br /> Sec. 17.56.130.-Flood regulatory district—Description. <br /> Sec. 17.56.140.-Reserved. <br /> Sec. 17.56.150.-Flood regulatory district—Permitted uses. <br /> Sec. 17.56.160.-Flood regulatory district—Regulations. <br /> Sec. 17.56.162.-Floodways. <br /> Sec. 17.56.164.-Alteration of a watercourse. <br /> Sec. 17.56.166.-Properties removed from the Floodplain by fill. <br /> Sec. 17.56.168.-Critical facilities. <br /> Sec. 17.56.170.-Nonconforming uses. <br /> Sec. 17.56.180.-Director to administer provisions—Duties. <br /> Sec. 17.56.190.-Map disputes. <br /> Sec. 17.56.200.-Floodplain development permit for all land uses within the flood regulatory district. <br /> Sec. 17.56.210.-Floodplain development permit—Procedure. <br /> Sec. 17.56.215.-Floodplain permit application fee. <br /> Sec. 17.56.220.-Floodplain development permit—Determination. <br /> Sec. 17.56.230.-Floodplain development permit—Additional conditions. <br /> Sec. 17.56.240.-Appeals and variances. <br /> Sec. 17.56.250.-Floodproofing. <br /> Sec. 17.56.260.-Compliance documentation. <br /> Sec. 17.56.010.- Definitions. <br /> The following definitions shall apply to this chapter: <br /> Addition is any activity that expands the enclosed footprint or increases the square footage of an <br /> existing structure. <br /> Adversely affects means that the cumulative effect of the proposed development when combined <br /> with all other existing and anticipated development will not increase the water surface elevation <br /> of the base flood more than one-half foot at any point. <br /> Alluvial fan flooding is a fan-shaped sediment deposit formed by a stream that flows from a steep <br /> mountain valley or gorge onto a plain or the junction of a tributary stream with the main stream. <br /> Alluvial fans contain active stream channels and boulder bars, and recently abandoned channels. <br /> Alluvial fans are predominantly formed by alluvial deposits and are modified by infrequent sheet <br /> flood, channel avulsions and other stream processes. <br /> Appeal means a request for a review of the director's interpretation of any provision of this <br /> chapter or a request for a variance. <br /> Ordinance No.1625,Series 2012 <br /> Page 2 of 31 <br /> 2 <br />