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LOGE 20-15: Ackerman SSNLS Addendum Page 2 <br /> May 20, 2020 <br /> You requested that we address potential nitrate loading impact that may have resulted from the <br /> nearby dairy. Per current San Joaquin County Environmental Health Department policy, nitrate <br /> loading on a given property is calculated based on septic wastewater generated on the property, <br /> acreage, regional rainfall, and soil type. The presence of a dairy nearby would affect none of <br /> these factors for the subject Site. It is possible that the dairy has caused elevated nitrate levels <br /> in regional ground water: however, the water in the on-Site well has been found to contain <br /> nitrate at a level substantially below the MCL. <br /> Though in general dairies have been found to be significant contributors to nitrate <br /> contamination, in this case no evidence has been identified of a current impact to the subject <br /> Site from the nearby dairy. <br /> Sincerely, <br /> Live Oak GeoEnvironmental, Inc. <br /> Abigaik�acco, Project Manager S`� NAL <br /> a DAVID J.WELCH J'�► <br /> * <br /> NO.2151 <br /> U TIFlED <br /> ENGINEER+NG <br /> David J. Welch, CEG, CHG. PGP GEOLOGIST <br /> OF CAU <br /> CC: Mark Ackerman <br /> 5861 W. Kile Rd. <br /> Lodi, CA 95242 <br /> Attachment: Aerial Photographs <br />