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May 30,2000 <br /> Job Number:LG00-135 <br /> Page 3 <br /> ` Septic Permit Review Summary(see appendix for permit copies) <br /> Address, date Tank Lines,length Comments <br /> Capacity <br /> 26202 E.Magnolia Ave.,7/13/89 1200 gal 2 lines,40 feet each Repair addition,2 25-foot <br /> seepage pits. <br /> V. GROUND WATER <br /> The San Joaquin County Flood Control and Water Conservation District ground water <br /> depth and elevation maps for Spring 1998 and for Fall 1998 indicate the most recent ground <br /> water levels for spring and fall seasons for San Joaquin County. The following table summarizes <br /> all the available ground water information collected for the site and nearby area. <br /> Summary of Available Ground Water Information <br /> Date,Source Groundwater Depth Notes <br /> May 10-15,soil borings,Neil O. Anderson Ground water not Lot 6 had two(2)exploratory holes <br /> ` &Associates,Inc. encountered to a drilled to locate a suitable sand layer for <br /> maximum depth of 25 the septic system. The deepest was at 25 <br /> feet. feet No ground water encountered. <br /> Spring 1998,San Joaquin County Ground- About 70 to 71 feet in Gradient about 13 feet/mile,directioJof <br /> Water Map.Plates 3 and 5. depth. flow is west-northwest. <br /> Fall 1998, San Joaquin County Ground- About 72 to 73 feet in Gradient about 14 feet/mile,directio <br /> Water Map. Plates 2 and 4. depth. flow is northwest. <br /> _ One ground-water sample was collected from a residential well, located near the site at <br /> 26276 East Magnolia, on May 11, 2000 for testing. The resident of 26534 East Magnolia <br /> (subject site) was not home and therefor a water sample was collected at the next closest location. <br /> The depth of the residential well at 26276 East Magnolia is unknown. The ground water sample <br /> was submitted to the FGL Environmental Laboratory and tested for the presence of <br /> dibromochloropropane(DBCP) and Nitrate(NO3)per San Joaquin County Environmental Health <br /> 6. Division requirements. <br /> A copy of the test results is attached in the appendix. Test results indicate that DBCP <br /> was found to be non-detectable and nitrate was found at 29.3 mg/l as NO3 (equivalent to 6.5 <br /> pf 4,�M1 <br />