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November 20,2003 <br /> Job Number:LE03-421 <br /> Page 4 <br /> Table 1. <br /> Surrounding Septic System Permit Summary. <br /> Address,Date Tank Capacity Lines,Length,Pits Comments <br /> 9617 S.Henry, 11/4/98 1200 gallons (3)40'lines,(3)25'deep New installation,3-bedroom <br /> seepage pits residence <br /> 9249 S.Henry,9/24/93 1900 gallons (2)60'lines,(4)25'deep New installation,4-bedroom <br /> seepage pits residence <br /> 8849 S.Henry,9/25/84 3000 gallons (4) 80'lines,(4)25'deep New installation,7-bedroom <br /> seepage pits residence and 3 mobile homes <br /> 8849 S.Henry,5/12/03 3200 gallons (4)60'lines,(4)25'deep Replacement of leach field due <br /> seepage pits to land split <br /> ` 28897 E.Carter, 12/11/68 1500 gallons (1)90'line,(1) 14'deep Replacement of old system, <br /> rock-filled pit 2-bedroom residence <br /> 28900 Carter,9/21/93 1600 gallons (3)60'lines,(3)25'deep New installation, 1-bedroom <br /> seepage pits trailer <br /> L 3.6 Expected On-Site Maximum Septic Tank Usage <br /> Mr. DeRousse anticipates splitting the parcel into three smaller parcels. He plans to continue <br /> living in the existing three-bedroom residence on Parcel 1 and to continue using the remaining <br /> parcels as agricultural and pasture land. <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 <br /> Site. The Fall 1998 and Spring 1999 maps are the most current maps available from the county. <br /> L According to these maps (Plates 2-5), ground water lies between 130 and 140 feet below ground <br /> surface in the vicinity of the Site and flows to the northwest at a rate of approximately 10 feet per <br /> mile. <br /> L <br /> L <br /> 019504 <br /> A <br /> L O <br /> L <br />