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C'91�1 <br /> 2SAN JOAQUIN <br /> G� Environmental Health Department <br /> COUNTY -- - Jasjit Kang, REHS, Director <br /> y- <br /> rP! Muniappa Naidu,REHS,Assistant Director <br /> q�rFpf:' G�eOtIle55 9tOw5 bete. PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco,REHS,RDI <br /> Willy Ng,REHS <br /> Melissa Nissim,REHS <br /> Steven Shih,REHS <br /> August 5, 2021 <br /> Chris Trapp <br /> 4590 Vista Dr. <br /> Loomis, CA 95650 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 12184 Hibbard Rd., Lodi <br /> APN 063-230-42, SR0083976 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading (SSNL) Study, dated July 14, 2021 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 following proposed <br /> three-bedroom second unit dwelling. <br /> Based on the information provided EHD can make the following findings: <br /> a. According to the SSNL, the estimated nitrate loading from existing and proposed OWTS usage is 11.1 <br /> mg/L as nitrate-nitrogen and the maximum contaminant level of 10 mg/L-N. EHD will require an <br /> oversized 1,600-gallon septic tank for installation of a standard Onsite Wastewater Treatment System. <br /> b. The OWTS and its 100% replacement areas shall meet all required minimum setbacks stated in San <br /> Joaquin County (OWTS) Standard and Well Standard. <br /> If you have any questions please contact Daria Afonskaia, Registered Environmental Health Specialist, at <br /> dafonskaia@sjgov.org or (209) 616-3035. <br /> r <br /> Steven Shih, REHS <br /> Program Coordinator <br /> c: Jacinto Perez Cedeno (12172 Hibbard Rd, Lodi, CA 95240) & Petralogix Engineering, Inc. <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/ehd <br />