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s 4 ®4' O CITY of ORONO A' Sy unicipal Offices �� Post Office Box 66 { Crystal Bay,Minnesota 55323-0066 September 12 , 1991 Mr. Jim Stewart Quick Way Excavating Route 3 , Box 3 Rockford, Minnesota 55373 RE: Septic System at 1889 West Farm Road Dear Mr. Stewart: The septic system at 1889 West Farm Road installed in September of 1989 has been observed to be failing. During an inspection in June of 1990 , it was observed that drainage water was standing just uphill of the mound and an area at the toe of the mound was surfacing. Minor landscaping changes were made to direct drainage around the mound and grass was _established to reduce erosion. Subsequent inspection revealed that the downhill toe of the mound still appeared to be excessively moist on a regular basis, however the cause of the problem was unknown. A report has been received at the City Offices regarding the septic system at this property from S-P Testing, Inc. dated August 19 , 1991 . The report indicates that effluent was surfacing from the downhill toe of the mound in July of 1991. Shortly after a 2 inch rainfall in August, the system was again inspected and rain water was found to be entering the pumping chamber from the 2 inch supply line to the mound. It was also noted that a steady flow about the size of a garden hose was entering the pumping chamber from its inlet pipe while no one was home. Mr. Schirmers indicated that both problems could likely be solved by resealing the tanks and repairing a float switch which was malfunctioning. A copy of the report from S-P Testing has been enclosed. Because this system has exhibited surfacing problems since shortly after it first came into use, the extraneous flows into the tank may well be a result of inadequate initial sealing of the tanks during installation. As the system installer, you are hereby requested to inspect this system and repair any unsealed TELEPHONE-473-7357• FAX-473-0510