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January 6,2000 <br /> Job Number. S99328 <br /> Page 3 <br /> Ogg <br /> Address, date Tank Lines, length Comments <br /> Capacity <br /> 3523 Stevenson Ave., 8/9/63 800 gal I line, 90 feet One 25-foot seepage pit <br /> 3625 Stevenson Ave., 11/2/67 1600 al 1 line, 100 feet New construction <br /> r <br /> V. GROUND WATER <br /> The San Joaquin County Flood Control and Water Conservation District ground water <br /> depth and elevation maps for Fall 1997 and for Spring 1998 indicate the most recent ground <br /> water levels for spring and fall seasons for San Joaquin County. The following table summarizes <br /> all the available ground water information collected for the site and nearby area. <br /> Summary of Available Ground Water Information <br /> Date,Source Groundwater Depth Notes <br /> December 9, 1999,five geotechnical soil Ground water not <br /> borings and one 25-foot percolation test encountered to a <br /> boring. Geotechnical&Soil Suitability Study, maximum depth of 25 <br /> Neil O.Anderson&Associates, Inc. feet. <br /> Spring 1998, San Joaquin County Ground- About 57 feet in Gradient about 8 feet/mile east of <br /> Water Map.Plates 3 and 5. depth. the site,direction of flow east- <br /> northeast,variable. <br /> Fail 1997, San Joaquin County Ground- About 67 feet in Gradient about 8 feet/mile east of <br /> Water Map. Plates 2 and 4. depth. the site, direction of flow cast- <br /> northeast,variable. <br /> One water well exists on the east portion of the site and is in operational condition. The <br /> proposed septic field and 100% replacement area is located over 100 feet away from the well. The <br /> project will use the well for on-site water. <br /> VL GEOLOGY, SOILS,AND PERCOLATION TEST <br /> The geology at the subject site consists of Holocene and (or) and upper Pliocene alluvium <br /> t. <br />