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Table 2. Percolation Test Summary <br /> Test No., Percolation Percolation Test Duration Comments <br /> Date Tested Test Rate (see notes) <br /> Depth (ft.) (minutes/inch) <br /> Pij Satisfactory <br /> 10-28-14 3 9 � 4 hr. perc. rate' <br /> Shallow Test <br /> P2 \ ,Y <br /> 10-28-14 3 31 1� 4 hr. Satisfactory <br /> Shallow Test ���� perc. rate <br /> Note: A satisfactory percolation rate for a"shallow"test is greater than 1 min/in but less than or equal to 60 <br /> minutes per inch. <br /> 1 Requires 8' separation between bottom of dispersal system and ground water, or mitigation by system <br /> design or enhancement. <br /> Discussion of Percolation Test Results <br /> The soils within the percolation test areas have demonstrated satisfactory percolation <br /> rates for the use of standard septic systems utilizing leach lines and seepage pits in <br /> accordance with the requirements of the San Joaquin County Environmental Health <br /> Department. <br /> Because of the percolation rate encountered between 5 and 30 min/in at location P1, <br /> the San Joaquin County Environmental Health Department will require an eight-foot <br /> separation from the bottom of the dispersal system to ground water (see Table 2). <br /> Ground water is anticipated to be encountered from 19 to 28 feet below ground surface <br /> at the Site; consequently, no modifications to standard shallow septic systems should <br /> be required. <br /> Discussion of Septic System Sizing <br /> Future septic system construction utilizing leach lines or filter beds should follow the <br /> San Joaquin County On-Site Wastewater Treatment Systems Standards (2017) where <br /> applicable. <br /> LOGE 20-02 Page 8 <br />