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l <br /> February 2$, 2007 <br /> NOA Project Number: E07023A <br /> Table 2. <br /> a <br /> Vicinity Septic System Repair Permit Summary <br /> Address Date Tank Lines Length Pits Comments <br /> ' Capacity ' <br /> 10365 South Manthey Road Addition of One,40'leach line <br /> 8-26-19$7 and One, 12'x 2'x 10'sump Repair/Addition <br /> 9653 Manthey Road One,50'leach line and <br /> 5-20-1994 One 4'x 12'x 10'sum Repair/Addition <br /> k � <br /> The repair permits found itn the vicinity were for the addition of leach lines and sumps. <br /> a_ 3.7 Expected On-Site Maximum Septic Tank Usage <br /> The maximum expected septic tank usage for the site will be from various buildings. An office <br /> -_, building will have five to six people working with no customers. Six to eight employees and no <br /> i customers will work at a repair shop on site. A dispatch building will have four people working, and <br /> i there will be four people working at a washing facility. Forty to fifty truckers will be coming and <br /> 1 going throughout the day. The facility will be open normal business hours, five days a week in the <br /> approximately eight winter months of November through June, and will be open six days a week in <br /> the summer months,July though October. Several septic systems are being proposed for <br /> construction. Septic system design should be based on the On-Site lYlastesvaterDis.Posal Standards or <br /> other engineering recommendations. <br /> 4.0 GROUND WATER INFORMATION <br /> i 4.1 Ground Water Depth and Gradient <br /> c <br /> 1 1 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 10 and 20 feet below ground <br /> R, surface and flows at an indeterminate gradient in the vicinity of the site. <br /> No ground water was encountered by the staff of Neil O. Anderson&Associates, Inc. during the <br /> 4 drilling of one groundwater boring to a depth of 8.5 feet below ground surface on February 12, <br /> 3 2007. �� <br /> 0 <br /> 4 <br /> Fl <br /> A <br />