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Soil Suitability Study Sheet 3 of 4 <br /> There is an existing well on Parcel No . 1 which <br /> serves the existing homesite. <br /> Soil Profile Test : <br /> One (1 ) excavation to a depth of ten feet was <br /> performed on Parcel No . 2 at the location shown on <br /> the attached Parcel Map. <br /> No water was encountered in excavating to the <br /> 10-foot depth. The San Joaquin County Flood Control <br /> and Water Conservation Map entitled "Lines Of Equal <br /> Elevation Of Water In Wells" dated Fall 1990 shows <br /> the water depth at thirty (30) feet . <br /> Two basic soil layers were found in excavating to <br /> the 10-foot depth for the Soil Profile Test . The <br /> first layer immediately below the ground surface to <br /> a depth of about seven (7) feet is a red loamy clay <br /> material . From seven (7) feet below the ground <br /> surface to a depth of ten (10) feet , the soil is a <br /> black loamy clay . <br /> Percolation Tests : <br /> Three (3 ) percolation tests were performed. Two <br /> were performed on Parcel No . 1 . Only one ( 1) was <br /> performed on Parcel No . 2 . Four percolation test <br /> holes were excavated on Parcel No. 1 , but by visual <br /> inspection only two were deemed worthy of <br /> conducting readings on to determine percolation <br /> rates . All percolation tests were performed in <br /> accordance with the percolation test procedures <br /> outlined in the "Manual Of Septic Tank Practice" , <br /> published by the Department Of Health, Education <br /> And Welfare and the requirements of the San Joaquin <br /> County Health Service, Environmental Health <br /> Department . <br /> On May 30 and 31 , 1991 , three (3) percolation tests <br /> on the subject property were performed under my <br /> direction in conformance with San Joaquin County <br /> Ordinance No. 549 . The approximate locations of the <br /> percolation test holes are shown on the attached <br /> "Parcel Map" . <br /> The percolation test holes on Parcel Nos . 1 and 2 <br /> resulted in the percolation rates and the <br /> recommended minimum usable disposal areas shown in <br /> the following table as determined on the attached <br /> Field Note Sheets : <br /> Parcel No. Test Hole Percolation Rate Minimum Usable <br /> No., (Minutes Per Inch) Disposal Area <br /> (Square Feet ) <br /> 1 1A 60 12 , 000 <br /> 1 1B 60 12 , 000 <br /> 2 2B 60 12 , 000 <br /> Ms-91-86 --- Maxine Heim <br />