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Watts Winery 1%0 `, -r <br /> Our Project Number: LGS090507 ..i Page 13 of 14 <br /> May 11, 2009 <br /> 2.4 Discussion of Nitrate Loading Resuits <br /> 2.4.1 Total Nitrate Impact <br /> Based on the method and assumptions described, the result of the nitrate loading balance <br /> indicates that the proposed development on the proposed parcels should not cause a build up <br /> of nitrates in the aquifer above 10 mg/L-N. <br /> 2.4.2 Methods of Mitigation <br /> Because of the favorable result of the nitrate loading calculation, no mitigation measures are <br /> warranted. <br /> x`3.0 CONCLUSIONS AND RECOMMENDATIONS <br /> In summary, percolation rates that meet the minimum EHD standards were achieved in the <br /> proposed septic disposal areas of each of the proposed parcels. The parcels appear suit le for <br /> the use of a standard septic system. riimco4 <br /> No ground water was encountered in any of the borings drilled on the prope The on site S� <br /> water well was tested for nitrate and DBCP. DBCP was non-detectab , and nitrate <br /> concentration in ground water was found to be 13.3 mg/L-NO3, which is well below the <br /> maximum contaminant drinking water limit of 45 mg/L-NO3. <br /> Because of the favorable result of the nitrate loading calculation, no mitigation measures are <br /> warranted. <br /> 4.0 LIMITATIONS <br /> Our professional services were performed, our findings obtained, and our conclusions proposed <br /> in accordance with generally accepted engineering principles and practices. This warranty is in <br /> lieu of all other warranties either expressed or implied. Test findings and statements of <br /> professional opinion do not constitute a guarantee or warranty, expressed or implied. <br /> �. <br /> 902 Industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 02009 Neil O.Anderson&Associates.Inc <br />