Laserfiche WebLink
SAN 10AQ U I N Environmental Health Department <br /> COUNTY Jasjit Kang, REHS, Director <br /> Greatness grows here. Muniappa Naidu, REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon, REHS <br /> Jeff Carruesco, REHS, RDI <br /> Willy Ng, REHS <br /> Steven Shih, REHS <br /> Michelle Henry, REHS <br /> Elena Manzo, REHS <br /> 28 September 2022 <br /> Live Oak GeoEnvironmental <br /> Attn: Abby Racco <br /> 407 W. Oak Street <br /> Lodi, CA 95240 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 7272 E. Lathrop Road, Manteca <br /> APN: 21805001, <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading Study (SSNL) dated 12 September 2022 for the above noted location and has the following <br /> comments for your consideration. <br /> The SSNL was prepared to determine the suitability of the above noted parcel for onsite wastewater treatment <br /> system usage (OWTS) and the potential long-term nitrate loading impact to groundwater from the following <br /> proposed Major Subdivision resulting in ten (10) 2-acre parcels. <br /> Based on the information provided the EHD can make the following findings: <br /> a. Based on the information provided the EHD finds that the SSNL Study supports the suitability for <br /> standard OWTS usage for the proposed development pursuant to San Joaquin County Ordinance <br /> Code Title 9, Section 9-1105.2(d). <br /> b. The following chart displays the percolation rates obtained and the required vertical separation <br /> distance to the ground water from the bottom of the leach field: <br /> Percolation Rate <br /> (minutes per Separation Distance to Groundwater <br /> Parcel Number Date of Percolation Test inch) From Bottom of Trench (Feet) <br /> 1 2-Sep-22 2.38 20 <br /> 2 1-Sep-22 2.08 20 <br /> 3 2-Sep-22 4.17 20 <br /> 4 1-Sep-22 3.79 20 <br /> 5 1-Sep-22 4.63 20 <br /> 6 2-Sep-22 1.49 20 <br /> 7 31-Aug-22 5.21 8 <br /> 8 31-Aug-22 6.41 8 <br /> 9 31-Aug-22 4.63 20 <br /> 10 31-Aug-22 2.19 20 <br /> 1868 E. Hazelton Avenue Stockton, California 95205 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/ehd <br />