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Chapter 19.04 EMC, Definitions Page 45 of 55 <br />The Everett Municipal Code is current through Ordinance 4031-24, passed May 22, 2024. <br />6. Those areas listed in the 1981 SEPA Resource Inventory as significant biological areas, <br />which are: <br />a. Maulsby Swamp; <br />b. Kasch Park (Bomarc) Bog; <br />c. Simpson Lee site Category I wetlands; <br />d. Narbeck Swamp; <br />e. Jetty Island. <br />“Significant surface water connection” means a surface water flow that is continuous for thirty <br />days or more during years of normal rainfall. <br />“Steep slopes” means any ground that rises ten feet or more for every twenty-five feet of <br />horizontal distance, thus having a grade of forty percent or steeper. A slope is delineated by <br />establishing its toe and top: <br />1. “Toe” of a steep slope is the lowermost limit of the area where the ground surface rises <br />ten feet or more vertically within a horizontal distance of twenty-five feet. <br />2. “Top” of a steep slope is a distinct, sharp break in slope which separates slopes inclined <br />at less than forty percent from slopes equal to or greater than forty percent. Where no <br />distinct break in slope exists, the top of the steep slope shall be the uppermost limit of the <br />area where the ground surface drops ten feet or more vertically within a horizontal <br />distance of twenty-five feet. <br />“Stream” means those areas where naturally occurring surface waters flow sufficiently to <br />produce a defined channel or bed which demonstrates evidence of the passage of water <br />including, but not limited to, bedrock channels, gravel beds, sand and silt beds and <br />defined-channel swales. A “defined channel or bed” means a watercourse that is scoured by <br />water or contains deposits of mineral alluvium. The channel or bed need not contain water <br />during the entire year. Streams do not include watercourses which were created entirely by <br />artificial means, such as irrigation ditches, canals, roadside ditches or storm or surface water <br />run-off features, unless the artificially created watercourse contains salmonids or conveys a <br />stream that was naturally occurring prior to the construction of the artificially created <br />watercourse.