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Dwain C. Tosch July 20, 1992 <br /> Civil Engineer <br /> CE #14644 <br /> 1229 Goldenoak Way <br /> Stockton, CA 95209 <br /> Phone: (209) 478-4606 <br /> San Joaquin County Local Health District <br /> Enviromental Health Division <br /> Subject : Soil Suitability Study (Parcel Map No . MS-92-103 ) <br /> Submitted for your review are the results of a Soil <br /> Suitability Study on the Derriel and Edna Hayes property <br /> located at 20177 - Mac Arthur Drive , Tracy, CA. <br /> Existing Septic Systems <br /> Existing San Joaquin County records were reviewed <br /> for the area in the immediate vicinity of the <br /> subject property. <br /> No permits were found for any of the properties . <br /> Existing Use <br /> The existing 21 . 54 acres are in alfalfa . <br /> Percolation Test <br /> No percolation tests were performed because of the <br /> high water table . Three soil profiles were performed <br /> at the locations shown on the attached map. The <br /> depths to water are : Soil Profile No . l - 31611 , <br /> Soil Profile No . 2 - 413" , Soil Profile No. 3 - 416" . <br /> Heavy clay was encountered at all three locations . <br /> Recommendations <br /> Special designed mound systems are recommended for <br /> both parcels . <br /> Engineer ' s Statement <br /> Septic systems can be installed to the density proposed <br /> and it is not expected to impact groundwater nor cause <br /> other health hazards provided a properly designed mound <br /> system is constructed . <br /> , ms1���� Dwain C. Tosch <br /> Attachments : �� aA\C (0 <br /> Detail Map <br /> Field Note Sheet It y } <br /> v NO. 14644 <br /> \ L /t!- A A i <br />