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" KLEiNFELDER <br /> ' File No. 20--3551-01 �� <br /> January 27, 1992 <br /> M C-5: <br /> "Other 'nformation as required by the San Joaquin Local Health <br /> District to determine the cumulative effect of the existing and the <br /> propose development on groundwater contamination; " <br /> Our scope of services did not include a detailed evaluation <br /> j of the potential for the septic systems to affect the <br /> quality of groundwater. However, the project involves only <br /> a maximum of sixteen systems on an approximate 160-acre <br /> property. Therefore, with groundwater at least 140 to 145 <br /> feet deep, the likelihood of a significant change in the <br /> nitrate level of the groundwater beneath the site is very <br /> remote. If additional more concentrated development is <br /> planned in the area, we suggest that consideration be given <br /> to completing a nitrate loading study. <br /> This completes our scope of work at this time. Based on the above <br /> i information, it is o r opinion that the subdivision is suitable for <br /> septic system use. EThe septic systems should be located and future <br /> wells should be constructed following County requirements <br /> Continuous monitoring of the septic systems should be maintains <br /> throughout the duration of their use. Once this report is reviewed <br /> by Environmental Health Services, we would be pleased to furnish a <br /> proposal for providing whatever additional information they may <br /> require for their evaluation. <br /> We trust this report presents the information required at this <br /> time. if you have any questions regarding this report and the <br /> attached information, please contact us. <br /> Respectfully submitted, <br /> RLEINFELDER, INC. <br /> Steven R. Davis, C.E.G. <br /> Engines ing Ge logist <br /> Ron Heinzen, G.E. \ <br /> Regional Manager <br /> SRD:S D - <br /> Attachments <br /> cc: San Joaquin County Environmental Health <br /> i <br /> Copyright 1992 Kleinfelder, Inc. Page 4 of 4 <br /> i <br /> i <br />