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Mr. RichArd Conr` <br />21350 Fxcllsior Boulevard <br />Excelsior, ;finnesota 55331 <br />Dear '1r. Conry: <br />Junes 1, <br />Bo <br />1Wyy <br />MN 55391 <br />lie have completed a site evaluation for on-site sewage treatment facilities <br />on 6 lots located west of Willow Road in Orono, :•finnesota. A location map has <br />been enclosed showing the location of the percolation tests, percolation data, <br />location of soil borings and relative elevations of the surface at the location <br />of the percolation tests. (For detailed contours please see topography prepared <br />by Gary Gabriel). A lo -0 of the soil borirgs is also enclosed. <br />The soil borings reflect a uniformly high water table throughout the area <br />tested. Thi3 condition prohibits the installation of conventional soil absorption <br />systems and shallow trench systems. The percolation rates encountered and the <br />gentle slopes on this site would indicate that mound systems should be satisfactory <br />on each of these lots. We recommend that the future homes be provided with sound <br />systems of soil absorption. <br />Please call if you have any questions. <br />Thank you. <br />Se 1 81991 <br />Yours very truly,^ <br />Carl W. Borg, P.E. <br />l <br />