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SA NsJ OAQ 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 /> Jeff Carruesco, REHS, RDI <br /> Willy Ng, REHS <br /> Steven Shih, REHS <br /> Michelle Henry,REHS <br /> Elena Manzo,REHS <br /> November 28, 2022 <br /> Jeff Nowak <br /> 320 S. Sacramento St <br /> Lodi CA 95420 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 9490 Schmiedt Rd, Lodi CA 95240 <br /> APN: 051-110-04, SR0086067 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading (SSNL) Study, dated November 17, 2022 and has the following comments for your consideration. <br /> The SSNL Study was prepared to determine the suitability of the above noted parcel for onsite wastewater <br /> treatment system (OWTS) usage and the potential long-term impact of nitrate to groundwater from the <br /> proposed four (4) bedroom single-family residence. <br /> Based on the information provided, the EHD can make the following findings: <br /> 1. 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 /> 2. Percolation test conducted on June 10, 2022 yielded a percolation rate of 20 minutes/inch. At this rate, <br /> an 8-foot soil separation shall be required between bottom of dispersal field and groundwater pursuant <br /> to San Joaquin County Onsite Wastewater Treatment Standard table 1.10.2. Per SSNL Study, <br /> groundwater on site is 121 feet below surface grade. <br /> 3. 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 Francisco Garcia Ruiz, Environmental Health Specialist, at <br /> fgarciaruiz@sjgov.org or (209) 616-3032. <br /> R <br /> Steven Shih, REHS <br /> Program Coordinator <br /> 1868 E. Hazelton Avenue Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/ehd <br />