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Soil types in the Study Area have bec. >ri.ed into <br />three broad groupings based on their sui.,-. ,llity for <br />septic systems: <br />KEY SOIL GROUPING <br />(1) Soils generally expected to be suitable <br />for use of standard trench drainfields. <br />(2) Soils generally expF-ted to be suitable <br />only for 'mound' drainfield systems due <br />to slow percolation rates and/or high <br />seasonal perched water tables. <br />(3) Soils generally unsuited for any type of <br />�J! drair.field system due to steep slopes, <br />slow percolation rates, high seasonal <br />perched water tables or permanent water <br />tables, or a combination of these factors. <br />Exhibit E <br />STUBBS DAY <br />STUDY AREA : <br />SOILS <br />Soils :Nap adapted <br />from the Hennepin <br />Count; Soil Sur--=y. <br />