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� ,� _ �-P TES TING� �NC. Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> FAX (612)-497-5011 <br /> State License#394 <br /> Aprif 16, 1998 <br /> Paul Taylor <br /> 3075 Farview Lane <br /> Orono, Henn. Co., MN <br /> This site has an existing on-site sewage treatment system which is classified as failed <br /> under Minnesota Chapter 7080 due to not meeting a 3' separation from the bottom of the <br /> system and the mottled soil (highest known seasonally saturated soil). It appears that <br /> there may have been some surface discharging in the area of the tanks. The tanks <br /> were just pumped and were not actually surface discharging at the time of my <br /> inspection. If surface discharging occurs in the future, this is classified as an imminent <br /> health hazard and the system must be repaired or disconnected within 10 months. To <br /> properly treat septic effluent, a new system will need to be installed. <br /> This on-site sewage treatment system is designed for a Type 1, four bedroom home, in <br /> accordance with the Minnesota Pollution Control Agency Chapter 7080 and local <br /> ordinances. <br /> The soils on this site are SCS soils mapped - HbB - Hayden loam. The seasonally <br /> saturated soils were located at 24" to 30" (mottled soil). Due to the seasonally saturated <br /> soils, a Pressurized Mound System will need to be installed to treat septic effluent. The <br /> bottom of the treatment area must be located at least 3' above the saturated soils. <br /> The neighboring well to the south is greater than 50' away from the proposed treatment <br /> area, city code requires 75'. Approval will be needed from the city for the neighboring <br /> well to be 64' from the new system and 53' from the well on this site. <br /> The soils at a depth of 12" have a percolation rate averaging 3.3 mpi. <br /> 1 <br />