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The US EPA recommended MCL for nitrate in drinking water is 10 mg/L-N. In a worst- <br /> case situation, the maximum buildup of nitrates from the use of septic systems in the <br /> aquifer is predicted to be 6.01 mg/L-N. The result of the nitrate loading estimate is <br /> below the maximum drinking water standard. <br /> Discussion of Nitrate Loadinq Results <br /> Total Nitrate Impact <br /> Based on the method and assumptions described, the result of the nitrate loading <br /> estimate indicates that the existing duplexes on the Site should not cause a buildup of <br /> nitrates in the aquifer above 10 mg/L-N. Because of the satisfactory result, no <br /> mitigation measures are warranted. <br /> LOGE 1515 Page 12 <br />