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' Page 10 <br /> � <br /> s :�.�-`A� .ri �'�`�,r; <br /> ������ { '#: r .: CITl' of UlZONO <br /> i���� , � ,,��:: <br /> � • 4$ 1'u�t Ufficr f3ux 66•CryStal E3ay, Minnesota 5t,:3_';i•htunicipal C)fficE�, <br /> � ='/�.�� i �` ' <br /> f ,.�i a 2 a �:;:,�Ay{.rY�`- <br /> � ''� _`".;,� On the North Siz�>r� o�Lake !Llinneto�tka <br /> , .. : .._,.:;z:°�' <br /> August 7, 1981 <br /> Mayor Diane Gallagher <br /> 68 Brocan Road South <br /> Long Lake , Minnesota 55356 <br /> Dear riayor Gallagher : <br /> I recently requested City staff to inv�stigate the complaints you <br /> have received from several residents and Councilmember John Metz <br /> concerning a long pipe located in Long Lake, originating from a <br /> home in Orono. <br /> The long pipe referred to in your letter is a water intake for <br /> lawn watering needs at the Kirk S. Bomen residence at 951 Spring <br /> Hill Road. <br /> The detergent-like seeds noted in your letter were discussed with <br /> Dr . Shapiro of the University of Minnesc�ta Liminological Research <br /> Center . P�lr . Shapiro commented that all bodies of water contain <br /> natural organic materials in the surface film which act as surfactants <br /> (detergents), and tend to foam during windy days and billows three to <br /> four inches high are normal. An off-white or yellowish color of <br /> these billows are due to humic matter, the reamins of dead leaves, <br /> and plants, which tend to stain waters. Dr. Joseph P. Rossilon, <br /> Executive Director of the Freshwater Biological Research Foundation <br /> covers this very well in a three-part series in the Lake Minnetonka <br /> Sailor newspaper . <br /> In conclusion, we find no evidence of a point source pollution to <br /> the lake of Long Lake . <br /> On another matter , the Burlington-Northern Railroad has completed <br /> cleaning the ditch area along their railroad tracks of debris and <br /> dirt which caused a backup into the sewer manholes in your area. We <br /> are now inspecting each manhole to determine what repairs are <br /> necessary to prevent infiltration into your sanitary sewer system. <br /> Thank you for advising me of these problems and please contact me <br /> if other problems aris� . <br /> Sincerely, <br /> ��/� <br /> Walt . Benson <br /> Cit Administrator <br /> t3l ILIJ11�:d�c !(��I�l, 173-7357 • AU�111157 kA770ti bc 1 I\pA(F a'3�'35ri � F'l BLIC ��URKS 4?3�73�v <br /> �JSI 111\(, <br />