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. � ,'��,�,.at' <br /> • �� t <br /> `' . � �, � ei� .. <br /> }�� <br /> �.� <br /> �++�t <br /> 'w.: <br /> Yr 4 ta. <br />:V�°�� 'u,. �3 <br /> ,y, � <br />.�f,�, he�� <br /> C)s�^: � <br /> r..a: <br /> I <br /> .`k' � <br /> f` � <br /> �i'., 1 <br /> y!it �wk <br /> � t <br /> tr � �:xee kr <br />�'� '�...k 4� i .. t��'� , . <br /> `I�.� ='1�tiChael Gaffron �y�� h::�' <br /> �a <br /> 4 � <br /> prono�+City aall z�,`` . . ` ' i A , <br /> , .; r,- �, <br /> Box 66 <br /> Cryetal Bay, Minnesota 55323 _. .,�,*: ' ,�< <br /> Re: Plans for the Sprinq Hill Conference Center <br /> Dear Mr. Gaffron: ;�:: <br /> :t:f;. <br /> The above referenced sewaqe treatment syatem plans were rec�.ived� _�; <br /> by the Minneaota Pollution Contral Aqency �MPCA) for raviaw at�8 '�; <br /> pesmittinq on December 7, 1983. Due to the type arid siae of- the �; <br /> proposed sewaqe treatment sy�tem, a State Disposal Syatem Periait : <br /> is not required. Therefore, technical approval and <br /> adminiatrative processinq at the state level ia not Narranted <br /> and ahould be handled at the next lower level of authority, <br /> (i.e. city or county) . However, also du8 �o the rela�ivealy <br /> larqe aize of this sytem, we have reviewed the aubmitted <br /> information and our comments are listed below. <br /> , <br /> l. It appears the existinq well to remain is approxitnately 250 � .,►' <br /> feet from thp proposed drainfield. Also, the relative ,�r� t � <br /> location of the drainfield to any other wella in the �1 _ � <br /> vicinity is not shown on the plans. Considerinq the volume n� <br /> of effluent to be disposed of and the permeabiilty of the �� <br /> soil, nearby wells could be impacted if they are not of <br /> aciequate depth and construction. Thus, pr3or to any <br /> constructii,s�n-, ound water and drainfield effluent <br /> directio should e determined and an analysis made as to <br /> possible 'ater/well impacts. Based on the resulta <br /> of the analysis, appropriate action could then be taken. <br /> 2. The plans imply that a tracked earthmover will qrade the <br /> drainField site prior to trench construction. Since the <br /> trenches are proposed to have approxfmately 24" of cover <br /> over the distribution pipes (12 to 18 inches would be <br /> Pno�s: <br /> t d35 West County Road B2, Rosevflle, Minncsata 55113•2785 <br /> Repionsl Offloss • DulufhlBrdnsrd/Dsfrolt lek�s/MarshaM/Rx�ester <br /> Equs1 OpDo►hxNty EmployN <br />