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r aaun - <br /> !N SAN JOA U I N Environmental Health Department <br /> COUNTY Jasjit Kang, REHS, Director <br /> cgcFoa`i\ � Greatness grows here. Muniappa Naidu, REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon, REHS <br /> N Jeff CarruescoREHS, RDI <br /> ORIGIAL Willy <br /> y Ng, REHS <br /> Michael Kith, REHS <br /> Melissa Nissim, REHS <br /> October 15, 2020 ' <br /> Joann Shipherd <br /> 168 Hilltop Crescent <br /> Walnut Creek, CA 94597 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 16375 E. Milgeo Road, Ripon <br /> APN 261-220-11, SR0082659 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil <br /> Suitability/Nitrate Loading (SSNL) Study, dated August 25, 2020 and submitted on September 29, <br /> 2020 for the above noted location, and has the following comments for your consideration. <br /> The SSNL 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 for the <br /> following proposed project. <br /> 1. A 1,404 square foot 2-bedroom home. <br /> Based on the information provided, the EHD can make the following findings: <br /> 1. The SSNL Study supports the (OWTS) usage with the following conditions: <br /> a. According to the SSNL, the estimated nitrate loading from existing and proposed OWTS <br /> usage is 12.8 mg/L as nitrate-nitrogen and the maximum contaminant level of 10 mg/L-N. <br /> EHD will require the mitigation of nitrate-nitrogen through an engineered Onsite <br /> Wastewater Treatment System. <br /> b. A Registered Civil Engineer shall submit complete engineering design plan to EHD for <br /> approval prior to issuance of building permit. Fee will be based on the current fee schedule <br /> at time of payment. <br /> If you have any questions please contact Naseem Ahmed, Senior Registered Environmental Health <br /> Specialist, at nahmed@sjgov.org or (209) 616-3018. <br /> Muniappa Naidu, REHS <br /> Assistant Director <br /> c: Terracon <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 />