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` April 20, 2005 <br /> NOA Project Number: E05022B <br /> Table 2. <br /> Vicinity Septic System Repair Permit Summary. <br /> Address,Date Tank Lines, Length,Pits Comments <br /> ` Capacity <br /> 17770 South Seidner,5/21/03 Not reported One 40 foot leach line Repair/ addition of one leach line for <br /> La residence <br /> 17782 South Seidner,4/19/94 1,500 gal One 40 foot leach line Repair/ addition of one leach line <br /> and one three foot by and one sump for a residence <br /> L 10 foot by 10 foot <br /> sump <br /> 18151 Seidner,7/23/91 1,600 gal Two leach lines,40 feet Repair/ addition of two leach lines <br /> each and one 4 foot by and one sump for a residence <br /> 12 foot by 15 foot <br /> sump I <br /> The repair permits are for the additions of leach lines and sumps. <br /> 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 /> L4.1 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 70 and 90 feet below ground <br /> Lsurface and flows at a gradient of about 10 fe e 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 about 14 feet on April <br /> fr 14, 2005. <br /> yh <br /> 4 <br /> .044 <br /> L <br />