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PC]---UUV <br />2�°mac SAN .JOAQUIN <br />COUNTY <br />Greatness grows here. <br />November 15, 2021 <br />Eugene Marsili <br />377 Rode Rd <br />Acampo CA 95220 <br />RE: Soil Suitability/Nitrate Loading Study <br />3212 & 3225 E. Woodson Road, Acampo <br />APN 005-145-31 & 49, SR0084471 <br />Environmental Health Department <br />Jasjit Kang, RENS, 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 November 5, 2021 and has the following comments for your consideration. <br />The SSNL was prepared to determine the suitability of onsite wastewater treatment system (OWTS) usage <br />and the potential long-term impact of nitrate to groundwater from the proposed lot line adjustment. The minor <br />subdivision between the two above stated parcels would result in parcel APN 005-145-31 to become 2.011 - <br />acre lot. <br />Based on the information provided, the EHD can make the following findings: <br />The Soil Suitability/Nitrate Loading Study supports the suitability for standard OWTS usage for the <br />proposed lot line adjustment of the above-mentioned parcels, pursuant to San Joaquin County <br />Ordinance Code Title 9, Section 9-1105.2(d). <br />2. Percolation test conducted on October 22, 2021 yielded a percolation rate of 2.45 and 4.0 minutes/inch <br />for both deep tests (failed both shallow tests). At this rate, a 20 -foot soil separation shall be required <br />between bottom of dispersal field and groundwater pursuant to San Joaquin County Onsite <br />Wastewater Treatment Standard table 1.10.2. Per SSNL Study, groundwater on site is reported <br />between 75 and 8.5 feet below surface grade. <br />3. The nitrate loading was calculated using wastewater flow of 150.7 gallons per day. Further addition of <br />bedrooms to existing dwelling or addition of new dwelling(s) on parcel APN 005-145-31 shall require <br />a SSNL Study addendum. <br />If you have any questions please contact Francisco Garcia Ruiz, Environmental Health Specialist Trainee, at <br />fgarciaruiz@sjgov.org or (209) 616-3032. <br />A 0- - <br />Steven Shih, REHS <br />Program Coordinator <br />c: LiveOak <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 />