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I <br />I <br />I <br />L <br />y <br />criteria which suggests a minnmtm tot size of20,000 gq. ft. within 1,000 ft. of General <br />Development lakeshore. <br />The five clusters identified forftirther study In* the On-Site Management Program are <br />shown on Map No. 12 and are listed as follows <br />+:-------Stubbs Da^------------------------- <br />o V T ^i_ oi_ - o r*—n* <br />----------59 homes <br />A.. r^ortn Ignore iSl ^coten i me 1 uomes <br />voiai uajf <br />w:-----------UIUIV1I5 uay-----------------------------------JU I1U11IC5 <br />Prlmnctonkd Uluiis ilOlllCS <br />TOTAL-----------------------------------------------200 homes <br />Of these five. No. 2 & No. 4 generallv oinform to the DNR's minimum lot size, but do <br />have water tablc'^PolylenTS^Jceausc of^eneraH^ low-l^ in§ topography* Of these fivCi all <br />c veept Stubbs Day lie adjacent to the Or>rno-Long Lake Intereeptor as built, which factor <br />w as one of the primary reasons Orono supported this final routing and so strongly <br />opposetlThe^ort^ntal interceptor routing the center of an""tmde\ eloped’Ttiral''areat <br />The remaining eleven housing clusters identified m the On-Site Management Program <br />are being monitored but have not exhibi ted signs of neighborhood system difficulties and <br />have therefore not been scheduled for alternativ e s^slcin evaluation* The existing oii“Sitc <br />systems are working or are capable of being replaced with acceptable individual systems <br />meeting current design and operating standards: <br />Alternative wastewater treatment studies are audenvay in all of the five identified' <br />clnsters; <br />1974 ORONO GROUND WATER STUDY by NieCombs ICnutson Associates. This study <br />was commissioned to gather ground water contamination data from the Ditnvns Day, Ciystal <br />Day and Sttibb? Day Areas. Samples were taken and analyzed from vanons properties <br />having on»site systems and compared to well samples and lakewater control samples. The <br />study found that shallow groundwater wcntamination was present but that lake or wellgrounowarer «.vi <br />lontamination was not. The study cer.cluded that systems l>*mg near to the shore, <br />particularly if below lake level, were deli^ering insufficiently treated water into the lake but <br />that the total influence was small with insignificant effect on public health. Those portions <br />of the Crystal Day Area removed frum the shoreline'(which have sandy soil) sho%ved little <br />shallow- ground water eoncentrations and better' treatment levels despite the more <br />concentrated density' of the area. <br />1975 PRELIMINARY SANITARY SCWTR CNGft<JCCRrNG REPORT b>‘ Mc€ombs <br />Knutson Associates. This study was commissioned as a feasibility* study for alternative <br />solutions to waste disposal from the Stubbs Day Area. Two alternatives were explored <br />ins'oK'ing the construction of a coliccticn system with either a community diaiiificld orn <br />connection to the (then proposed) Oror.O'Lone Lake Intereeptor. This study was never <br />implemented because at the time, the MPCA w as not in a position to appro\ e the coiiimunity <br />svstem and the final route of the interceptor had not been dctemiined. <br />19 77 ORONO COMPRCIILNSI VC SENS CR PLAN identified the final preferred routing for <br />the Orono'Long Lake Interceptor so as to pass within connecting distance of all of the study <br />CM? 6-47 <br />( <br />!