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• The details of the nitrate loading calculation are included in Plate 11. The results of the <br /> calculation are presented in the following table. <br /> Table 7. Result of Nitrate Loading Calculation <br /> Variable Value Units Description <br /> Nc 2.3 mg/L-N Long-term average concentration of percolating effluent <br /> 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 in the aquifer from the use of septic <br /> systems on the Site is predicted to be 2.3 mg/L-N. The result of the nitrate loading <br /> estimate is well below the maximum drinking water standard. <br /> Discussion of Nitrate Loading 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 and proposed development on the Site should not <br /> cause a buildup of nitrates in the aquifer above 10 mg/L-N. Because of the satisfactory <br /> • result, no mitigation measures are recommended. <br /> • LOGE 1820 Page 13 <br />