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4,0 ENVIRONMENTAL SEITING <br /> a.l REGIONAL PHYSIOGRAPHIC CONDITIONS • <br /> The subject property is located in an area of relatively level terrain with an elevation of <br /> approximately 935 feet above mean sea level. Surface drainage and groundwater flow are <br /> towards the adjacent Lake Minnetonka in a south, southeastern direction. A review of <br /> groundwater well logs obtained from the Minnesota Geological Survey (MGS) indicate <br /> that sandstone of the Saint Peter Formation is the first bedrock encountered at a depth of <br /> 290 feet below grade. A thick sequence of glacial overburden overlies the bedrock. The <br /> overburden material consists of clays, silts, sands, gravels, and cobbles. It is unknown <br /> whether the site is a natural landform or was created with dredged material from the lake <br /> or other backfill material from off site. There was no site-specific soils data available for <br /> review for this report. A log of the well that exists at the site was not available from the <br /> MGS. <br /> The site is covered mostly with gravel and is used mainly for parking of cars, trucks, and <br /> boat trailers. There is some sparse vegetation and mature trees at the site. <br /> 4.2 HYDROGEOLOGIC CONDITIONS <br /> The review of the groundwater well logs near the site suggest that the water table is at a <br /> depth of 50 feet below grade. Groundwater flow direction is expected to be to the south, <br /> southeast toward Lake Minnetonka. A localized water table most likely eaosts at a depth <br /> less than 50 feet as a result of the proldmity of the site to the adjacent lake. It is possible <br /> that a water table e�dsts at a depth of 5 to 20 feet below grade and is influenced by the <br /> elevation of the water surface of the adjacent lake. <br /> 4 <br />