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LOGE 2229: Dhillon Percolation Testing Page 3 <br /> May 26, 2022 <br /> The soils on the Site have demonstrated satisfactory percolation rates for the use of standard <br /> septic systems in accordance with the requirements of the San Joaquin County Environmental <br /> Health Department. Each percolation test is considered representative of soils within an <br /> approximate 100-foot radius of the test location. <br /> Because of the percolation rates between 1.0 and 5.0 min/in encountered in the test holes, the <br /> San Joaquin County Environmental Health Department will require a 20-foot separation from <br /> the bottom of the dispersal systems to ground water. Based on local ground water elevation <br /> and topography maps reviewed, ground water is anticipated to be encountered approximately <br /> 70 to 75 feet below ground surface at the Site; consequently, no modification to standard <br /> septic systems should be required. <br /> Discussion of Septic System Sizing <br /> Septic system construction utilizing leach lines and seepage pits should follow the San Joaquin <br /> County On-Site Wastewater Treatment Systems Standards (2017) where applicable. The new <br /> septic systems will require permits from the San Joaquin County Environmental Health <br /> Department. <br /> We are pleased to be of service on this project. Please feel free to contact us should you have <br /> any questions. <br /> Sincerely, <br /> Live Oak GeoEnvironmental, Inc. <br /> 4-[R <br /> Abigail Racco, Project Manager ,oNAL <br /> 9 1� ,Q, J.WFLCH cl <br /> * N0.2151 <br /> CERTIFIED <br /> David Welch, Engineering Geologist ENGINEERING <br /> CEG-2151, CHG-653, PGP-1049GEOLOGIST \P <br /> �TFOF CA�IFO�� <br /> Attachments: Plate 1: Site Location <br /> Plate 2: Site Map <br /> Percolation Test Permit <br /> Percolation Test Form <br /> CC: San Joaquin County Environmental Health Department <br />