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Koch's Soil Testing <br /> Box 81 oR <br /> Loretto, Minn. 55357 ONppppy <br /> Tel ( 763 ) 479-2637 <br /> Mir Ali 7/27/10 <br /> 4025 Watertown Rd <br /> Orono, Minn. <br /> Work done; Soil Borings , percolation tests and Mound design to <br /> accommodate a current 4 bedroom home, the present drainfield <br /> was determine to be a Non Compliant by City of Orono inspector. <br /> Three soil borings were done in the proposed mound system <br /> indicating the following results; <br /> Soil Boring # 1 Mottled Soil at 13 inches itiROmcopy <br /> Soil Boring # 2 " " 16 inches <br /> Soil Boring # 3 " "13 inches <br /> There was not any standing water encounter after 24 hours. <br /> The average percolation rate was 35.0 min/in. with the slowest <br /> percolation rate was 41.2 min/in. <br /> With the above information the only type of drainfield that can be <br /> installed in this area that was tested is a pressurized above ground <br /> mound system and still comply with the City of Orono Codes and <br /> the Minn. Rules 7080 <br /> 0011,10 <br /> MOOR <br /> urn�n►eou� <br />