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It green. This <br />V relief and on <br />. Since this <br />3 at a 3 to S <br />with changes <br />L strength is <br />iark blue. The <br />Phis covers <br />Tlie water table <br />Is liave ver>' low <br />?se soils are <br />rural water stor ­ <br />ing Individual <br />rtment of Health <br />an area where <br />ground level <br />6 vears to re- <br />county. The <br />vidual Sewage <br />m of trenches <br />le or bedrock" <br />terns other than <br />rcment. <br />In the mound <br />of sand fill to <br />m of the seepage <br />rock. <br />wage Treatment <br />tion distance <br />greater than <br />stem. <br />1% <br />'■M <br />1 <br />■ ti- <br />ti <br />I <br />J <br />1 <br />treat the septic tank effluent Onr^ t7 ^ niaterial to properly <br />aj^ert^e tjreatment of the cfffiIiriF(feal'E“~^rh^ <br />ence oTT^TolluteTiraT^boJvresults in thTj^es- <br />effluent aAd natural wnter in ^ surface. Additional inputs of <br />effluent and/or the backing un nf r?T" surfacing of the <br />ates not only a nuisanc^?^ tL home erne <br />hazard if the surro.mding area is !veirpop,lat^?“’ <br />seasonal w"tertable^vhich'’ofteroc^^^^ of a <br />IS the presence of soil mottle*; soils of Heiuiepin County <br />of grey with red and yellow splotches in^the^ a distinctive coloration <br />of a proposed soil absolution rtieatmenn if f'^soil. .Any investigation <br />detennination of the depth at which sfil should include a <br />ground the potential of the original sm’l«; With this back- <br />for treatment of septic tank effluent will bo'^disci^sed^'^ development area <br />overlay are fou^d^'i^ i<etlands'^ '^The^’atertabl" soils <br />above or near the surface the'entire vear ^Tn "" organic soils is <br />for the installation of any soil abso^p?!^ Tyst'em?'''” “""“itable <br />soils overL^hal^tL^higtest^'w^^ °n ‘he <br />within 1 foot of the surface Thif. ^ ‘I’® either at or <br />during the year. Installation of P^^sist for several months <br />in this soil obviously wou^^nofa^L^l=":^"?" absorption system <br />rae mound system is designed fo^ soils witb^^^-''^™'?®'’*^®^ separation. <br />However, the watertable must not be '“gh watertables. <br />for the mound system to fiinction effecHvpi below^ the surface <br />absorption system on this soil t>pe is not reco;^liJ^^--S^^^ <br />oJ1he1oUs ‘’over “y .^Th^ ‘he light blue color <br />this soil as indicaLd by the presence^of .nnt^° watertable in <br />seasonal >'atertabl^at^a'depth°of°3 to'^S^f^'t commonly have a <br />dicates that the depth of l^ertable i"' <br />ation between the bottom of the seenape trenrV, recommended seiiar- <br />be maintained. In this case Lst?na»)er "ntertable cannot <br />recommended. However a mound subsurface system is not <br />-tiling indicates the waLrtfb^rn^^ <br />si,allow trench system could p.-ovide ade(,uatc u’eatm^nt* ^ <br />the most I'otenUarfor'^aste'trcftment?" '’^‘^.■''‘^romp^jung overlay offers <br />table is often below the 5 foot rlnnth * .p, ^ seasonal water- <br />of the Standn,-d suhsu.i’I.e ^vstom installation <br />evidence of soil mottling at'a 4 to with