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i <br /> F E <br /> November 3, 2005 <br /> NOA Project Number: E05123A <br /> Table 2. <br /> Vicinity Septic System Permit Summary. <br /> Address,Date Tank Lines,Length,Pits Comments <br /> Capacity <br /> 9816 East Live Oak Road Not One,40'leach line and Repair/addition for <br /> 11-10-95 reported two,25'x 36" seepage pits residence. <br /> 9816 East Live Oak Road Not Two, 100'leach lines and Repair/addition <br /> 9-12-85 reported two,33"x 25'seepage pits for apartments <br /> 11011 East Live Oak Road Not One,40'leach lines and <br /> 7-6-73 reported one,.25'x 33" seepage its Repair/addition <br /> The septic system repairs in the area appear to utilize leach lines and pits or sumps. <br /> FJ3.7 Expected On-Site Maximum Septic Tank Usage <br /> Maximum expected usage on the proposed parcel would be for the employees of the olive mill. <br /> According to personal communication with Jeff Colombini on September 12, 2005, there will be <br /> approximately 6 employees per day. The mill will not have customers at the facility. System design <br /> Fl. <br /> should be based on the On-Sate Wastewater Di posal Standards or 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 /> F1 According to these maps (Plates 3-6),ground water lies between 90 and 100 feet below ground <br /> surface and flows at a gradient of about 20 feet per mile to the east 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 of two percolation test holes to a depth of three and a half feet and 25 feet on September 28, <br /> { F12005. <br /> 4.2 Potential Ground Water Contamination Issues <br /> Identifying potential ground-water contamination sources was not part of the scope of work for the <br /> F! <br /> soil suitability study. Potential ground-water contamination can occur from a number of sources <br /> which often include leaky underground storage tanks, agricultural activities, dairies, septic systems, <br /> F1and storm water infiltration. Agricultural activities and the use of septic systems in the area should <br /> 4 '4004 <br />