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Telephone 473.7357 <br />CITY of ORONO <br />Post Office Box 66eCrystal Bay, Minnesota 55323•Municipal Offices <br />On the North Shore of Lake Minnetonka <br />October 19, 1979 <br />Mr. Gary Larson <br />258 Cygnet Place <br />Long Lake, <br />Minnesota 55356 <br />Dear Mr. Larson: <br />I inspected your septic system on October 18, 1979. The existing <br />drainfield generally runs east to west approximately along the south <br />property line and may in fact be partially on the Routson's lot. This <br />drainfield is in an area that appears to receive much drainage from <br />your lot, and probably contains seasonally wet soils due to poor <br />drainage and a heavy clay texture. <br />I suspect from the percolation tests taken in 1971 that your front <br />yard may contain soils that are much more conducive to sewage treatment <br />than the existing location. Also, your existing drainfield is probably <br />undersized based on today's standards. <br />I suggest that you contact one of the site evaluators on the attached <br />list to conduct percolation tests and soil borings in your front yard. <br />Two peres and two borings should be adequate to establish whether the <br />soil is capable of supporting a drainfield. A drainfield in the front <br />yard will undoubtedly require a pump from the septic tanks. This is <br />a relatively common procedure. Orono code requires that your sewage <br />be treated and disposed of on your own lot. Any "joint venture" septic <br />system to serve both you and the Routsons would require a variance to <br />our codes and some legal documentation of rights and responsibilities <br />for the system. Due to the existing soil characteristics it seems <br />reasonable that a pump would be needed no matter which lot the system <br />was installed on. I would recommend you keep it on your own lot. <br />I am enclosing a list of licensed septic system installers. If you <br />have any further questions, please do not hesitate to call. While <br />your existing system is not to the point where we would absolutely <br />require repairs or reconstruction, it appears to be functioning marginally <br />and should receive some attention. <br />Sincerely, <br />Michael P. /afron <br />Septic System Inspector <br />MPG:kh <br />Encs. <br />