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% <br />'i*T: <br />f''^%‘ -- ■'<4;.'■■■''" <br />^<r j?- <br />-1 <br />■1 mm <br />U't ••> 'i:i <br />j:v»f.. <br />.vV/ '. <br />'l*B^y '■{<•<. <br />TOS <br />FROM: <br />DATE: <br />SUBJECT: <br />Jeanne A. Mabusth, Building & Zoning Administrator <br />Stephen Weckman, On-Site System Manager <br />July 15, 1992 <br />#1757 CUP - A. Hanser - Septic Review <br />m <br /><:U <br />A <br />Septic testing is required for this parcel indicating <br />alterp^^te sites for both the guest house and the main residence. <br />During the review of this subdivision by Jean Mabusth, it was <br />determined that the ordinary high water level of Lake Minnetonka <br />encroached within 75' of the existing guest house as well as the <br />septic system for the residence. This encroachment makes the <br />septic system non-conforming based on the shoreland regualtioxis <br />dnd xr©visGd sp©tic cod© rGcjunroinGnts# J©©n not©d xn licir Mfixch X2f <br />1992 review for the subdivision request that additional testing <br />T'U3t be submitted indicating a second alternate drainfield site <br />for the guest house as well as the abandonment of the existing <br />septic system with the installation of the replacement system <br />using one of the alternate site, fox <br />year of the final subdivision. In order to be consistent with <br />Orono Septic Code Section 12.30 however, the septic system for <br />this guest house must be replaced within 90 days of the approval <br />of a CUP. <br />mm <br />• . ' <br />Mark Gronberg has been contacted regarding rhis issue and <br />indicated that the two alternate drainfield sites for the 9“®st <br />house as well as the alternate site for the main residence should <br />be feasible and will submit an addendum identifying these sites <br />on the property survey. As per our discussion, best way to <br />acheive adequate sites for sewage treatment would be to have one <br />alternate site for the guest house while extending the other <br />alternate site already designated to make it large enough for <br />both the main residen - as well as the guest house. Based on the <br />soil testing information already provided and previous <br />inspections of the property in question, the drainfield sites <br />should have no problem in treating septic effluent affectively. <br />■ . ’ Vv <br />• • •• * <br />•S' <br />'■■'i <br />.W •r <br />mm: <br />wm <br />U <br />• M