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August 26,2002 <br /> Job Number:LG02-286 <br /> Page 4 <br /> The permit search for the property indicates the on site residence utilizes a septic system <br /> with a 1,600 gallon septic tank,two (2)leach lines and two (2) sumps. The winery building <br /> utilizes a septic system with a 1,200 gallon septic tank, two (2) leach lines and two (2) sumps. <br /> V. GROUND WATER <br /> Currently,we understand there are two (2)water wells located on the property. One well <br /> serves the needs of the residence, and the agricultural well provides water to the winery facility <br /> and supplements the vineyard irrigation system. Well constructiondetailth wells are not <br /> ` known. <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 levels near the site.' The <br /> Fall 1998 and Spring 1999 maps are the most recent maps available from the County. The depth <br /> _ to ground water below the site during the period of Fall 1998 and Spring 1999 ranged between <br /> 60 and 75 feet. The gradient and flow direction was approximately south at 25 feet/mile. The <br /> following table summarizes all the available ground-water information collected for the site and <br /> nearby area. <br /> Table 3. <br /> Summary of Available Ground Water Information. <br /> Date,Source Groundwater Depth Notes <br /> August 2,2002.One(1)3-ft boring. Neil Ground water not encountered. <br /> O.Anderson&Associates,Inc. <br /> Water sample obtained on July 30,2002 Unknown Water quality test Nitrate-ND. <br /> from the domestic water supply well, Water quality test DBCP-ND. <br /> located at 8215 E.Hwy 12,Lodi,CA. <br /> Fall 1998,San Joaquin County Flood 75 tett. Gradient:25 feet/mile flowing <br /> Control and Water Conservation District approximately south to southeast. <br /> map.' Plates 2 and 4. <br /> Spring 1999, San Joaquin County Flood 60 feet:- Gradient:25 feet/mile flowing <br /> Control and Water Conservation District.' approximately south to southwest. <br /> Plates 3 and 5. <br /> Note:ND=Non-Detectable(or not found at detectable limits). <br /> ' San Joaquin County Flood Control and Water Conservation District. Depth to ground water and ground- <br /> water elevation maps Fall 1998 and Spring 1999. Published biannually,Scale: 1 inch=2 miles. <br /> � 'pERiO <br /> 1 <br /> '4 <br /> Z <br /> Of,EQE\ <br /> E� <br />