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5655 Add 40' LL + sump <br /> 5950 Add 2 pits(Winery) <br /> 6400 New service for bathroom in barn, 1988. New septic tank 2004. <br /> 6685 Destroy house. Add 2nd unit dwelling. <br /> ll GROUNDWATER INFORMATION SECTION <br /> The map Lines of Equal Depth to Groundwater, Spring 99 indicate approximately 50 feet to <br /> static water. The gradient of the aquifer is southerly towards the Mokelumne River. This area has <br /> - few residences. The domestic well was sampled and tested for DBCP/Nitrates by the FarWest <br /> Laboratories, Inc., of Riverbank, Ca. The test results were satisfactory. ( DBCP <0.01 and <br /> Nitrate 2.9) Copy of test report and Logbook Record are included. <br /> 'r SOIL PROFILE INFORMATION SECTION <br /> y The General Soil Map of SJC describes the soil in this area as Jacktone-Ilollenbeck-Stockton, up <br /> to 60" deep. The soils are fine textured down to the hardpan. A 10' hole was hand augured, 6" <br /> in diamenter, to examine the soil. The fine texture (sand & silt) was continuous in the 10' hole. At <br /> 8' the soil was tan in color, damp and more difficult to remove. Above the tan layer was darker <br /> colored soil, moist from the recent rains. All the soil removed from the holes were fine textured, <br /> non-plastic. No water was standing in the grape vineyard. Several days of rain preceded the tests. <br /> Hard pan probably exists prior to the 25' level. Additional discussion is contained in the <br /> percolation test information section. <br /> USGS MAP <br /> - The USGS Map Lockeford, CA., shows the 65' contour runs thru a portion of the parcel. The <br /> land is basically flat. South of the parcel the Iand slopes southerly to the Mokelume river. <br /> PERCOLATION TEST INFORMATION SECTION <br /> All test holes of the three parcels were 6" in diameter, sleeved with 4" PVC, 2" of gravel in the <br /> bottom and around the lower 6" of the PVC sleeve. 12" of water was placed in each test hole to <br /> begin the presoak period. <br /> The tentative map shows the location of the test holes. In this type of soil the location of the <br /> - leach field does not appear critical.The included tentative parcel map delineates the LLA lot <br /> configuration. No new lots are created. On Parcel 2 and 3 two holes were augured on each lot to <br /> a depth of 42" on Jan.21, 2005. The presoak period began on Jan. 24, 2005 at 1000 hours. The <br /> percolation tests began on Jan. 25 at 1000 hours. The holes were all dry after the 24 hour presoak <br /> period. The four holes were tested for several hours to see any variation. When the inspector <br /> arrived two holes were abandoned leaving one hole on each of the two lots. No deep holes were <br /> augured for testing. The test conformed to SJC Policy EHD 02-02. Procedure #2.The inspector <br /> was Lisa Medina, Sr. RENS, who was present for the required readings on Jan. 25 and Feb. 3, <br /> 2005 <br /> 2. <br />