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File NO. 20-2949-15 1H KLEINEELDER <br /> December 14 , 1990 <br /> Based on County requirements for a single parcel s <br /> We are not required to establish an on-site Plit, <br /> gradient by drilling test borings. groundwater <br /> s <br /> general estimate of the g We are providing a <br /> groundwater gradient based On the <br /> Published maps. Based on the <br /> lines of e groundwater map showing <br /> goal elevation of groundwater, <br /> conclude that the main Plate III, we <br /> groundwater gradient is in roughly <br /> the west to northwest direction. <br /> This completes our scope Of work at this time. Based on t <br /> information, it is our opinion that the he above <br /> P proposed 12-acre <br /> suitable for septic s parcel is <br /> ystem use. We note that our sco e <br /> did not include a detailed evaluation Of the P Of services <br /> septic system to affect the Potential for the <br /> proposal involves quality of groundwater. However, the <br /> only 1 septic <br /> Thereforesystem on a 12-acre parcel . <br /> , even with <br /> groundwater at approximately 8 to 10 feet <br /> deep, the likelihood of a significant change in the nitrate <br /> Of the groundwater beneath the site due to a single septic <br /> level <br /> is very remote. If additional development is P c system <br /> we suggest that consideration be P Planned in the area, <br /> loading study. given to completing a nitrate <br /> The septic system should be located and future wells sh <br /> constructed following county re ould be <br /> of the septic system should be maintained . Continuous th be <br /> Of its use. Once this report is reviewed b roughout the duration <br /> P y the San Joaquin <br /> ty <br /> Public Health Services, Environmental Health Division, would be <br /> Pleased to furnish a old be <br /> Proposal for providing whatever additional <br /> information the County may require for their evaluation. <br /> Copyright 1990 Kleinfelder, Inc. <br /> 4 <br />