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ORDINANCE Page 18 of 19 <br />circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil <br />conditions. Wetlands generally include swamps, marshes, bogs, and similar areas. Wetlands do <br />not include those artificial wetlands intentionally created from nonwetland sites, including, but <br />not limited to, irrigation and drainage ditches, grass-lined swales, canals, detention facilities, <br />wastewater treatment facilities, farm ponds, and landscape amenities, or those wetlands <br />created after July 1, 1990, that were unintentionally created as a result of the construction of a <br />road, street, or highway. Wetlands may include those artificial wetlands intentionally created <br />from nonwetland areas created to mitigate conversion of wetlands. <br />“Wetlands, emergent” means a regulated wetland that does not qualify as a forested wetland or <br />a scrub-shrub wetland with at least thirty percent of the surface area covered by erect, rooted, <br />herbaceous vegetation as the uppermost vegetative strata. <br />“Wetlands, forested” means a regulated wetland with at least thirty percent of the surface area <br />covered by woody vegetation greater than twenty feet in height. See Wetlands with special <br />characteristics. <br />“Wetlands, isolated” means those wetlands which: <br />1. Are outside of and not contiguous to any one-hundred-year floodplain or riparian <br />corridor of a lake, river, or stream; and <br />2. Have no contiguous hydric soil or surface water connection between the wetland <br />and another surface water body. <br />“Wetlands, riparian” means those wetlands that generally occur within a riparian corridor that is <br />contiguous to or has a surface hydrologic connection with a stream. Wetlands formed by hillside <br />seeps that are not hydrologically affected by water in a nearby stream are not riparian wetlands. <br />However, wetlands on a hillside may be riparian wetlands if adjacent to a stream that flows <br />down the hillside. <br />“Wetlands with special characteristics” mean bogs, estuarine wetlands, forested wetlands, <br />interdunal wetlands, wetlands in coastal lagoons, and Wetlands of High Conservation Value. <br />Detailed information about these individual wetland types is found in the Washington State <br />Wetland Rating System for Western Washington: 2014 Update, Version 2.0 (Ecology Publication <br />#23-06-009), or as revised. <br />“Wetlands, scrub-shrub” means a regulated wetland that does not qualify as a forested wetland <br />with at least thirty percent of its surface area covered by woody vegetation less than twenty <br />feet in height as the uppermost strata.