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Background Information <br /> 2 BACKGROUND INFORMATION <br /> This section summarizes the subarea existing conditions information review and the <br /> feasibility analysis that were performed to develop alternative plans for the Marshland <br /> Subarea. <br /> 2.1 Existing Conditions Summary <br /> This section summarizes information collected on the earth, surface water, plants and <br /> animals, land use, cultural resources, transportation, and utility conditions found within or <br /> near the subarea. This summary is intentionally brief; the reader should consult the EIS for <br /> detailed information on the existing conditions of the subarea. <br /> 2.1.1 Earth <br /> The topography of the study area is relatively level, and is bounded on the west by a steep <br /> upland bluff. The entire subarea can be generally categorized as a Puget-Sultan Pilchuck soil <br /> type, generally characterized by very deep soils often found on floodplains (USDA 1978). <br /> The subarea also contains deep pockets of peat that may affect the design criteria of the <br /> proposed infrastructure proposed in this subarea plan. Most of the subarea is considered <br /> prime agricultural land and much of the subarea is actively farmed including the 305 acres <br /> owned by the City. The Marshland subarea is found within an area of low landslide and <br /> erosion potential; however, the bluff immediately west of the subarea has a high erosion <br /> potential and is a landslide hazard. <br /> 2.1.2 Surface and Ground Water <br /> The subarea is located in the Snohomish River Basin and the Snohomish River bounds the <br /> Marshland subarea along its northern and eastern edges. The Snohomish River adjacent to <br /> the subarea is within the tidally-influenced portion of the river. Wood Creek is the only <br /> perennial and fish-bearing stream draining to the subarea though several other intermittent <br /> and perennial streams flow into the subarea. All of these streams ultimately flow into the <br /> Marshland Canal and are eventually pumped into the Snohomish River at the Marshland <br /> pump station. <br /> The subarea is also within the Marshland Flood Control District, which was created in 1938 <br /> and encompasses 6,000 acres that abut the eastern edge of the Snohomish River from River <br /> Draft Subarea Plan June 2009 <br /> Everett Marshland 12 070346-01 <br />