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CONCLUSIONS AND RECOMMENDATIONS <br /> In summary, the soil conditions examined near the proposed septic system drain field <br /> appear to be suitable. A satisfactory soil percolation rate of 2.9 minutes per inch was <br /> observed. <br /> The depth of ground water based on recent aquifer levels is approximately 88 to 95 feet <br /> below the ground surface, depending on the season. The ground-water flow direction is <br /> predominantly toward the east or southeast at a rate of approximately four to seven feet <br /> per mile in the vicinity of the Site. <br /> No water sample was collected as part of this investigation. It is anticipated that the <br /> new residence will utilize municipal water. <br /> Based on the current project, the use of on-site septic tanks and drain field systems on <br /> the Site is not expected to cause a buildup of nitrate in the aquifer above 9.3 mg/L-N. <br /> This level falls below the US EPA drinking water recommendation of 10 mg/L-N. <br /> We believe the Site suitable for the use of standard septic systems utilizing leach lines <br /> and seepage pits. Based on the satisfactory result of the nitrate loading calculation, no <br /> nitrate mitigation is recommended. <br /> LOGE 1847 Page 11 <br />