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5 SA NUJ OAQ U I N Environmental Health Department <br /> 1 ` COUNTY Jasjit Kang, REHS, Director <br /> Greatness grows here. 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 /> September 1, 2021 <br /> Don Chesney, PE <br /> Chesney Consulting <br /> P.O. Box 3794 <br /> Turlock, CA 95381 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 9839 E. Hutchinson Road, Manteca 95377 <br /> APN: 25724067, SR0084095 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading Study (SSNL) dated August 16, 2021 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 nitrate loading impact to groundwater for the following <br /> proposed walnut bulk storage building. <br /> Based on the information provided the EHD can make the following findings: <br /> a. 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 /> b. Percolation test conducted on August 10, 2021 yield a percolation rate of 16.7 min/inch. At this rate <br /> an 8' soil separation is required between bottom of dispersal field and the groundwater; The SSNL <br /> reports a historic groundwater level of 15 feet below surface grade. (San Joaquin County OWTS <br /> Standard Table 1.10.2). <br /> If you have any questions please contact Aaron Gooderham, Registered Environmental Health Specialist, <br /> REHS, at agooderham@sjgov.org or (209) 616-3062. <br /> r <br /> Steven Shih, REHS <br /> Program Coordinator <br /> CC: Chris Van Groningen <br /> 9851 HUTCHINSON RD <br /> MANTECA, CA 95337 <br /> XATTrED <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 F 209 464-0138 1 www.sjgov.org/ehd <br />