Ordinance 3676-19 - Laserfiche WebLink

channel or bed need not contain water during the entire year. Streams do not include water courses which were created entirely by artificial means, such as irrigation ditches,canals, roadside ditches or storm or surface water run-off features, unless the artificially created water course contains salmonids or conveys a stream that was naturally occurring prior to the construction of the artificially created water course. "Stream channel bottom" means the submerged portion of the stream cross-section which is totally an aquatic environment.The channel bottom may be seasonally dry. "Stream,Type F."Those stream segments within the ordinary high water mark, including the periodically inundated areas of their associated wetlands that are not Type S streams, and which are demonstrated or provisionally presumed to be used by salmonid fish. Stream segments which have a width of two feet or greater at the ordinary high water mark and have a gradient of sixteen percent or less for basins less than or equal to fifty acres in size,or have a gradient of twenty percent or less for basins greater than fifty acres in size,are provisionally presumed to be used by salmonid fish.The following stream segments shall not be considered Type F streams: Merrill and Ring Creek south of Merrill Creek Parkway, Edgewater Creek, Narbeck Creek, and Forgotten Creek.Also refer to WAC 222- 16-030, "Water typing system." "Stream,Type Np."Those stream segments within the ordinary high water mark, including the periodically inundated areas of their associated wetlands,that are perennial and are not Type S or Type F streams. However,for the purpose of classification,Type Np streams include intermittent dry portions of the channel below the uppermost point of perennial flow.Also refer to WAC 222-16-030, "Water typing system." "Stream,Type Ns."Those stream segments within the ordinary high water mark, including the periodically inundated areas of their associated wetlands,that are not Type S,Type F, or Type Np streams.These include seasonal streams in which surface flow is not present for at least some portion of a year of normal rainfall that are not located downstream from any Type Np stream segment.Also refer to WAC 222-16-030, "Water typing system." "Stream,Type S."Those streams, within their ordinary high water mark, as inventoried as"shorelines of the state" under Chapter 90.58 RCW and the rules promulgated pursuant thereto, including the periodically inundated areas of their associated wetlands.Also refer to WAC 222-16-030, "Water typing system." "Swale" means a shallow drainage edriveyaAce with relatively gentle side slopes,generally with flow depths less than one foot. "Swamp" means an area permanently saturated or inundated by water, and occupied predominantly by either a scrub-shrub or forested wetland vegetation community. depths less than one foot. "Swamp" means an area permanently saturated or inundated by water, and occupied predominantly by either a scrub-shrub or forested wetland vegetation community. Planning Commission Resolution 19-_ Page 21 Title 19 March 19, 2019