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P7118J20e8 1:58 7634975011 SPTESTINGINC PAGE 02I10 <br /> . <br /> S•• T��`T�,��� I N�• Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE • St. Michaei, MN 553F7� (�g3) 497-5066 <br /> State License #394 <br /> �� <br /> July 11, 2008 <br /> � <br /> r <br /> Ted Zi mann <br /> 30�45 ussex Rd. <br /> Orona, Henn. Co., M�i <br /> A Co Iiance Inspection was completed for the existing on-site sewage treatment <br /> ,.. syste located on this propetfiy. The system consists of 2-septic tanks, 1- pumping <br /> chamb r S� a pressurized mound system with a 10' x 70' rock bed. Soil boring #1 & 2 <br /> found ottled (redox features) at 2.5' below the original soil. Soil boring #3 found the <br /> �rigin I soil at elev.98.3 8� the bot�om of the rock bed at elev,99.2 leaving .9' of sand <br /> bel�w he rock bed & a 3.4' separation from the bottom of the rock bed & redox <br /> featur s. Sail boring #4 found the original soil a# elev.97,7 &the bottom of the rock bed <br /> at elev 99.3 leaving 1.6' of sand below the rock bed & a 4.1' separation frvm the bottom <br /> of the vck bed & red�x features. This system is classified as in compliance with <br /> Minne ota Chapter TOBO rul�s. <br /> The n rth end of the rock bed has 6" of efFluent ponding in the washed sand. The <br /> south nd was very tnoist. The original soil below the sand was nofi compac#ed. The <br /> pondi g is most likely caused from additional water entering (2 persons in fihe home). <br /> A toile could possibly be running which adds approximately 200 gal/hr. or second <br /> reaso could be the irrigation system leaking into the sand, broken pipe. Recommend <br /> to test the irrig�tion system & check all toilets for fihe possiblil'ty of a broken toilet. <br /> The ta ks were pumped by Sullivan Utility Service. & were found to be precast without <br /> crack or holes at this time <br /> Nothi g ofih�r than gray water (laundry, showers, etc.) human waste &toilet tissue <br /> shoul be disposed of into the septic tanks. Garbage disposals are not recommended, <br /> due to adding more solids &fne solids passing through to the sysfiem. Recommend fio <br /> divert ron filters vut of the system, recommend to divert the water softner also if <br /> ' 1 <br />