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April 24,2006 <br /> NOA Project Number: E06015A <br /> Table 2. <br /> Vici 'tV Septic System Repair Permit Summary. <br /> _ Address,Date Tank Lines,Length,Pits Comments <br /> Capacity <br /> 4340 S.Hwy.99,3/27/81 --- --- Addition of(1)40'line and(1) 25' <br /> deep seepage pit to existing mobile <br /> home unit <br /> 4330 S.Hwy.99,2/29/63 --- -- Addition of(1)25'deep seepage pit <br /> to existing residential unit <br /> 4307 S.Hwy.99,7/11/01 --- Destruction of septic tank/grease <br /> trap <br /> 4307 S.Highway 99,3/28/67 Addition of(1) 50'line and(1)25' <br /> deep seepage pit to existing <br /> residential unit <br /> The repair permits are for the addition of leach lines and a seepage pits. <br /> 3.7 Expected On-Site Maximum Septic Tank Usage <br /> Maximum expected usage on each proposed parcel would be for the 40,000 square foot structure. <br /> There will be one bathroom facility within the structure for employees and customers.According to <br /> Ted Green, the hours of the supply facility will be Monday through Friday from 7:00 am to 5:00 pm. <br /> The number of employees is expected to be approximately 25. The number of customers per day is (J. <br /> L expected to be around 50. Septic system design should be based on the On-Site Wastewater Disposal <br /> Standards or other engineering recommendations. <br /> L <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(l 998 and 1999) ground <br /> water depth and elevation maps were reviewed to determine the ground water levels near the Site. <br /> L The Fall 1998 and Spring 1999 maps are the most current official maps available from the county. <br /> Z / According to these maps (Plates 3-6),ground water lies between 60 and 75 feet below ground <br /> surface in the vicinity of the Site. Due to the complex shape of the contours in the area,it is <br /> L difficult to measure the gradient. However,groundwater appears to flow to the south or southeast <br /> through the immediate vicinity of the Site. <br /> No ground water was encountered by the staff of Neil O.Anderson&Associates,Inc. during the <br /> drilling of the percolation test holes to a depth of 25 feet on March 28, 2006. <br /> V <br /> 4 <br /> '-'44 <br /> L <br />