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Soil Suitability& Nitrate Loading Study Page 13 <br /> Munoz Property,Escalon, CA <br /> Project No. 605.1 <br /> � June 18, 2009 <br /> Fit 8.0 CONCLUSIONS AND RECOMMENDATIONS <br /> rI8.1 Conclusions <br /> 1 <br /> I. A satisfactory percolation test was achieved by NATS at the site of the <br /> F proposed new septic system. Based on the percolation test results and the <br /> soil profile, we conclude that soil is suitable for a septic sewage system. <br /> 2. The nitrate loading st c dicates(-the existing septic systems are <br /> producing a total of abo t 56 pounds of nitrate nitrogen per ar, and the <br /> F1 proposed new system wil add an additional pproximately-15 p unds per <br /> year. <br /> 3. Based on the nitrate loading study, the uppermost groundwater layer is <br /> F receiving a nitrate load that exceeds MCL limits and the <br /> proposed system <br /> will modestly increase the load. <br /> F <br /> 011",T�N <br /> 4. lfm�tations of th 'A ei`n4eoree__ li�ey�,� <br /> alt ough un oven, That n , ra e�under actualX-con�itio�: 1 ill not e cee, <br /> the CL limit The measu_� rattewco centration o 1.7 m i th o <br /> 1 � <br /> site ater w se.em. le support tB t is onclusion. �r <br /> 8.2 Recommendations <br /> 01. lthough the proposed project will result in a small increase of about 15 <br /> ounds per year of nitrate loading, the actual groundwater�' condition is <br /> likely to be little changed, and the proposed septic system should be <br /> �r permitted. <br /> 2. As noted in the per olati2 test re ort (Appendix C)"that the proposed <br /> leach field as drawn 's under some vehicular traffic. This situation is <br /> generally not pe-61 sible in San J quin County. The exact position of <br /> the leW1 h field should e review <br /> F <br /> 2937 Veneman Ave.,##B240 Geo-Phase Environmental Inc. Phone <br /> . (209)569-0293 <br /> Modesto, CA 95356 Fax: (209) 569-0295 <br /> F <br />