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SAN 10AQUIN <br />/ wR: <br />--------COUNTY— <br />Greatness <br />-------COUNTYGreatness grows here. <br />March 2, 2022 <br />Abby Racco <br />Live Oak GeoEnvironmental, Inc <br />407 W Oak Street <br />Lodi, CA 95240 <br />RE: Soil Suitability/Nitrate Loading Study <br />15766 N. Devries CA 95242 <br />APN 025-170-03, SR0084804 <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 January 14, 2022 for the above noted location, and has the following comments <br />for 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 following proposed <br />two home sites and horse training facility. <br />Based on the information provided, the EHD can make the following findings: <br />a. The Percolation tests conducted on May 11, 2022 yielded a percolation rate between 3.33 <br />min/in. At this rate, a minimum 20 feet of soil separation is required between bottom of the <br />dispersal field and the groundwater. The SSNL reports a historic groundwater level of 32 feet <br />below surface grade. (San 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 Frank Girardi, Senior Registered Environmental Health Specialist, <br />at fvgirardi@sjgov.org or (209) 616-3044. <br />teven Shih, REHS <br />Program Coordinator <br />c: Jacklyn Shaw, 15766 N Devries Rd., Lodi CA 95242 <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 />