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S^P TESTING, INC, <br />/> <br />y <br />Ml KATYDID LANE <br />ST. MICHAEL. MN BESTS <br />4S7-SBM <br />. .-'V C< z'-->■ <br />tTiVB MmMCMl <br />John C. Douthit ■"■ /; / <br />300 Brown Road <br />Orono, Henn. Co., MN. • <br />September 14, 1967 <br />.. . i ^ ^ ■ <br />This system is designed for a Type'TTT^three bedroom home and in accordance <br />with the Minnesota Pollution Control Agency standards WPC 40 and local ordinances. <br />The soils on this site are typical of SCS soils mapped • LrB ~ Lester loesi* <br />A seasonally high water table was located at 48", 54", & 56", (mottling). <br />The bottom of each trench must be located at least 3' above the seasonally high water table. <br />This site has an existing failing system. The system is old with clay tile <br />for distribution pipe and is located in soil with a seasonally high water <br />table less than 3'. The existing tank is too deep and will need to be <br />abandonded, pump & fill with soil. <br />A lift pump will be needed in the lower level. <br />The soils at a depth of 18" have a percolation rate averaging 10.2 min/inch <br />and are adequate for a standard treatment system installed shallow at 18" deep. <br />All neighboring wells are located more than 75’ away from the proposed treatment area. <br />Keep all heavy equipment off of the proposed treatment area before and <br />construction as much as possible. The treatment area should be <br />marked off before construction. <br />With proper installation and maintenance, this system should have no <br />problem in treating septic effluent effectively. <br />It is recommended that the septic tanks be pumped every 2 years. <br />SBS/ds <br />Sell and l*«reslst<s« Tmu <br />Stptie Sy$0tm Dttigm <br />'-f'. J-