Ordinance No. 20249 - Laserfiche WebLink

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3 components of the/WP area are described and defined as follows: (1) The area within the channel limits of a water f~ature (from top of high bank to top of high b~). For a given stream, river, or channel~ the top of the bank is the highest point at Which the bank meets the grade of the surrounding topography~ characterized by an abrupt or noticeable change f~om a s~eeper grade t(; a less steep grade~ ~md, whe;e natural conditions t;revail~ by a noticeable change ~r(;TM topograPhy or vegetation primaril~ shaped ~y the presence and/or movement of the water to topography not primarily shaped by the Presence of Water. Where there is more than one such break in the grade, the uppermost shall be considered the top of the high bank~ (2) Buffer setback areas are measured horizontally ~om the top of the high bank or from the line of ordinary high water. The planning dkector shall determine whether the buffer is measured from the top of the high bank or from the line of ordinary high water. (b) If the top of the high bank is not identifiable, the buffer set'backs are measured horiZontally from the line of ordinary high water. In a given stream, pond, or other water body, the line of ordinary high water is the line on {he bank or shore to which seasonal high wat;r ri~es annually. Identified in the field by physical characteristics that include one or more of the following: 1. A clear, natural line impressed on the bank. 2~ Changes in the characteristics of soils. 3. The presence of water-borne litter and debris. 4. Destruction of terrestrial vegetation. If reliable water level data are a-vaildbl~ for 3 or more consecutive previous years, the line of ordinary high water can be considered the mean of the highest water level for all years ibr which data is available. Buffer setback distances measured fi~om the line of ordinary high water are as follows: Minimum Buffer Setbacks i¥om Ordina~ High Water Water feature Buffer setback Perennial. within floodway 75 feet Perelmial, outside floodway 50 feet Intermittent or seasonal 25 feet Section 11. The first paragraph and Subsections (2), (5), and (6} of Section 9A740 of the Eugene Code, 1971, are amended~ to provide: Prohibited Pra~i~ges_. Practices that are not specifically allowed, and that wcmld adversely affect Water quality or damage wildlife habitat, are prohibited within/WP areas. Prohibited praCtices include the following: Ordinance - 8