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"C0. SAN 10AQUIN <br />—COUNTY- <br />41F6 <br />OUNTYcGreatness grows here. <br />April 11, 2022 <br />Woodbridge Partners Inc. c/o Jeff Crothers <br />119 E Weber Ave <br />Stockton CA 95202 <br />RE: Soil Suitability/Nitrate Loading Study <br />18846 St. Rt. 99 E. Frontage Rd, Acampo <br />APN 017-090-51, SR0085108 <br />Environmental Health Department <br />Jasjit Kang, REHS, Director <br />Muniappa Naidu, REHS, Assistant Director <br />PROGRAM COORDINATORS <br />Robert McClellon, REHS <br />Jeff Carruesco, REHS, RDI <br />Willy Ng, REHS <br />Melissa Nissim, REHS <br />Steven Shih, REHS <br />Michelle Henry, REHS <br />The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br />Loading (SSNL) Study, dated April 6, 2022 for the above noted location, and has the following comments for <br />your consideration. <br />The SSNL was prepared to determine the suitability of the above noted parcel for onsite wastewater treatment <br />system (OWTS) usage and the potential long-term impact of nitrate to groundwater for the proposed Minor <br />Subdivision to create four new parcels for a truck parking facility. <br />Based on the information provided, the EHD can make the following findings: <br />a. The Percolation tests conducted on October 8, 2021 yielded a percolation rate of 50 min/in. At this <br />rate, a minimum 5 feet of soil separation is required between bottom of the dispersal field and the <br />groundwater. The SSNL reports a historic groundwater level of 60 feet below surface grade. (San <br />Joaquin County OWTS Standard Table 1.10.2). <br />b. The OWTS and its 100% replacement areas shall meet all required minimum setbacks stated in <br />San Joaquin County (OWTS) Standard and Well Standard. <br />If you have any questions please contact <br />fgarciaruiz@sjgov.org or (209) 616-3032. <br />r Steven Shlh REHS <br />Program Coordinator <br />c: Dillon & Murphy Engineering <br />Francisco Garcia Ruiz, Environmental Health Specialist, at <br />1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/ehd <br />