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October 4;2001 <br /> Job Number: LG00-287 <br /> Page 4 <br /> GROUNDWATER ` <br /> Currently,we understand-there are three'(3) groundwaterwells located on-the property. <br /> Two wells are located along Highway'88 (parcel 063-160-31) and the third'is located on the ' <br /> western edge of'the property(parce1:063-160-30). The north most well located along Highway . <br /> S8 serves the domestic needs of.the property and the south well is idle(see.Plate 1).. The well <br /> located on arce1063460-30,on the west side is.utilized for drip irrigation of the vineyard: <br /> P <br /> The San Joaquin.County Flood Control and Water.Conservation District ground-water. <br />' = depth and elevation.maps were reviewed,to determine the ground water levelsnear the site.' The <br /> Fall 1998 and Spring 1999 maps are the-most recent maps available-from the County: The.depth <br /> to groundwater below the site during the period of Fall 1998 and Spring 1999 ranged between ' <br /> 96 to 105 feet. The gradient and flow direction was east to northeast between 4.5 to 6.3 <br /> feet/mile. The following:table summarizes'all the available ground water'information'collected <br /> for the site and nearby area. ` <br /> Table 3. <br /> Summary of Available Ground Water lnformahon. . <br /> Date,Source Groundwater Depth Notes <br /> _ various'25-foot borings. Neil 0.Anderson- Not encountered <br /> &Associates,Inc.'August 2000 and July r <br /> and August 2001. <br /> Water sample obtained on August 9,2000 Unknown Water quality,test Nitrate,-4:.7 mg/L <br /> from the domestic water supply well, as NO3(1.0 mg/l as N). <br /> located at 13731 Highway;88,Lodi;, Water qualitytesf DBCP-ND. <br /> California. ' <br /> Fall 1998, San Joaquin County Flood 105 feet.' Gradient:'Approximately 4.5 <br /> ' Control and Water Conservation District feet/mile flowing east.. <br /> map.' Plates 2 and 4. , <br /> Spring 1999; San Joaquin County Flood 96 feet. Gradient:`Approximately 6.3 <br /> = ` . Control and Water Conservation District. feet/mile flowing northeast. <br /> Plates 3 and 5. <br /> Note:ND=Non-Detectable(or not found at deteciable'limits). <br /> 1 San Joaquin County Flood_ Control and Water Conservation District. Depth to ground water and ground <br />! _' Published biannually, Scale: I inch—2 miles'. <br /> . water elevation maps Fall 1998 and Spring 1999. Pubs y, - <br />