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September 9, 2005 <br /> NOA Project Number: E05039B <br /> ar <br /> Table 2. <br /> Vicinity Septic System Repair Permit Summa <br /> Address,Date Tank Lines,Length,Pits Comments <br /> IF. Capacity <br /> 30704 East Lone Tree 1200 gal Replace existing septic Repair/ addition <br /> 11-6-68 tanks with 1200 gal <br /> _ <br /> concrete,new leach <br /> line 50'by 24",4'by 8' <br /> by 12'seepage pit <br /> 30704 East Lone Tree 1200 gal Add 4'by 8'by 12' Repair/addition <br /> 11-22-68 seepage pit to existing <br /> system <br /> 30704 East Lone Tree not reported Add 45'of leach line Repair/ addition <br /> 11-14-75 and a 25'by 14' sum <br /> The repair permits are for the additions of leach lines and sumps. <br /> 'y 3.7 Expected On-Site Maximum Septic Tank Usage <br /> Maximum expected usage on each proposed parcel would be for a primary residence and second <br /> dwelling unit. Septic system design should be based on the On-Site Wastewater Disposal Standards or <br /> other engineering recommendations. <br /> 4.0 GROUND WATER INFORMATION <br /> 4.1 Ground Water Depth and Gradient <br /> The San Joaquin County Flood Control and Water Conservation District (1998 and 1999) ground <br /> water depth and elevation maps were reviewed to determine the ground water levels near the Site. <br /> The Fall 1998 and Spring 1999 maps are the most current official maps available from the County. <br /> According to these maps (Plates 3-6),ground water lies between 60 and 80 feet below ground <br /> surface and flows at a gradient of about 10 feet per mile to the north in the vicinity of the Site. <br /> No ground water was encountered by the staff of Neil O.Anderson&Associates, Inc. during the <br /> drilling to a depth of 25 feet on April 5,2005 or when drilling to a depth of 14 feet on April 14, <br /> L 2005 on the adjacent property to the west located at the address 30324 East Lone Tree Road. <br /> L <br /> L <br /> 4 '-'44 <br /> L <br />