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File No. 20-2949-10 -- - -- - - ------ - KLEINFELDER <br /> July 26, 1990 E_ a► <br /> t: E L <br /> J U L 3 0 1990 <br /> NVIRONMEN I AL HEALTH <br /> PERMIT/SERVICES <br /> Based on County requirements for a small property parcel <br /> split, we are not required to establish an on-site <br /> groundwater gradient by drilling test borings. However, <br /> we are providing a general estimate of the shallowest <br /> groundwater gradient based on published maps. Based on <br /> the groundwater map showing lines of equal elevation of <br /> groundwater, Plate III, we conclude that the main <br /> groundwater gradient is in roughly the north to northwest <br /> direction. <br /> This completes our scope of work at this time. Based on the above <br /> information, it is our opinion that this site is suitable for <br /> septic system use. However, continuous monitoring of the septic <br /> systems should be maintained throughout the duration of the use of <br /> the septic systems. Once this report is reviewed by the local <br /> health district, we would be pleased to furnish whatever <br /> additional information the County may require for their evaluation. <br /> In the meantime, if you have any questions regarding this report <br /> and the attached information, please contact us. <br /> Respectfully submitted, <br /> KLEINFELDER, INC. <br /> Steven R. Davis, C. E.G. <br /> Enginee ing Geologist <br /> Ron Heinzen, G.E. <br /> Regional Manager <br /> SRD: sfa <br /> AUG90/Attachments <br /> cc: San Joaquin County/Quartaroli & Associates <br /> 4 <br />