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2.OnOctober28,2020,thefocusofoursitevisitwasontheopenprairiearea.Thesoilsinthis <br />area Ǟźƌƌ allowforaTypeIsoiltreatmentsystem.Agroundwatermoundingevaluationwill <br />beneeded,butitisunlikelythattheresultsofthisevaluationwillbeproblematic.OSTP <br />recommendsthisareaforthenewsystemasthemostcosteffectivewaytobothdeliver <br />wastewatertothesiteandtreatittothespecificationsofMNRulesChapter7081.Building <br />inthisareacanavoidimpactstowetlandsandtheareacancontinuetobeusedfor <br />recreation,althoughsnowmobileandATVtrafficwillhavetostayoffthesepticsystem.The <br />Associationshouldconsiderafenceorothermeansofprotectionforthesystemarea.The <br />MPCArequiresapretreatmentsystemthatisanitrogenbestmanagementpracticedueto <br />thepredominantlysandysoils.Acoupleofbenefitsofusingapretreatmentsystemisthe <br />soiltreatmentareawillhaveincreasedlongevityaslongasthepretreatmentsystemis <br />properlymaintainedbecausewastewaterwillbecleanergoingintothesoilandthesoil <br />meetsecondary <br />treatmentareamaybeloadedatahigherratesincethewastewaterwill <br />treatmentstandards. <br />TheotherissuethatneedsattentionbytheRHHAaretherecordedflows.Forthenumberofhomes <br />inthecommunitytheflowsare~30%higherthanistobeexpected.Therearetwocommonsources <br />forexcesswaterinwastewatertreatmentsystems: <br />(1) sumppumps,watertreatmentdevicesandothercleanwatersourcesconnectedto <br />thesystemand/or <br />(2) leakyseptictanksandpiping <br />Itisrecommendedthatthisissueberesolvedpriortoreplacingthesystemasitis ĭƩźƷźĭğƌ thatthe <br />systemnotbereceivingandtreatingtheseothersourcesofwater.Thisevaluationcanbeconducted <br />bythehiredSSTSlicenseddesigner/inspectororanotherlicensedSSTSinspector.Itwillrequire <br />accesstoeachŷƚƒĻ͸ƭbasementandseptictank/pumpsystem. <br />