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• i <br /> S-P TESTING, INC. 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 /> August 1, 1997 <br /> Diane Cecin �7Sr U 9S <br /> 1530 Tanglewood Rd. <br /> Orono, Henn. Co., MN <br /> This site has an existing on-site sewage treatment system which is classified as failed <br /> due to not meeting a 3' separation from the bottom of the system and the saturated soil. <br /> The system is surface discharging which is classified as an imminent health hazard and <br /> must be repaired or disconnected within 10 months. <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 /> Approval will be needed from the local official to be 60' from the wetland with the on-site <br /> sewage treatment system. <br /> The soils on this site are SCS soils mapped - HcC2 - Hayden clay loam bordered by - <br /> Ha - Hamel loam. The seasonally saturated soils were located at 12" & 18" (mottled <br /> soil). Due to the seasonally saturated soils, a Pressurized Mound System will need to <br /> be installed to treat septic effluent. The bottom of the treatment area must be located at <br /> least 3' above the saturated soils. <br /> Due to the mound location on the slope, an Interceptor Drain will need to be installed to <br /> divert the drainage upslope of the system. <br /> The soils at a depth of 12" have a percolation rate averaging 30.4 mpi. <br /> 1 <br />