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C' <br /> 0 SANSJOAQUINa <br /> Environmental Health Department <br /> COUNTY — Wayne Fox, REHS, Interim Director <br /> C_'QFOR�\P Greotness grows here. PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco, REHS, RDI <br /> ORIGINAL <br /> Willy Ng,REHS <br /> Muniappa Naidu, REHS <br /> Michael Kith, REHS <br /> July 27, 2020 Melissa Nissim, REHS <br /> Dillon & Murphy <br /> PO Box 2180 <br /> Lodi, California 95241 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 16042 East Baker Road, Linden, California 95236 <br /> APN: 091-100-08, SR0082253, PA-1900086 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading (SSNL) Study, dated June 25, 2020 and received June 25, 2020 for the above noted location and <br /> has the following comments 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 impact of nitrates to groundwater from the proposed project <br /> development. The proposed development includes: <br /> 1. A minor subdivision application to subdivide an existing parcel into a 2.3-acre homesite parcel with a <br /> 36.8-acre designated remainder. The home site parcel has an existing single family residence <br /> (constructed in 1930) with an on-site well, septic system and natural storm drainage. The existing <br /> three (3) bedroom home has a wastewater flow of 240 gallons per day. <br /> 2. The wastewater flow of 240 gpd is not to be used for septic system design or size calculation. <br /> Based on the information provided, the EHD has found the SSNL Study does not meet the minimum <br /> requirements of the Development Title Sec. 9-1105.2(d) for the following reasons: <br /> 1. The SSNL must include analysis of the existing septic system usage in the Soil Suitability Report and <br /> include the following information on the existing septic system according to the Soil Suitability Study <br /> Requirement Checklist: system type, age, repair rate, and discussion of on-site septic system usage. <br /> 2. The well water results indicate the water supply has an elevated level of nitrates and may not be a <br /> suitable source of water for new development. A potable water supply that can provide a consistent <br /> source of safe and clean water adequate for human consumption, cooking and sanitary purposes <br /> needs to be established prior to the issuance of building permits (2016 CA plumbing code, Section <br /> 601.2). <br /> Please submit an addendum to the EHD that includes the above information for review. <br /> If you have any questions please contact Aaron Gooderham, Environmental Health Specialist, EHS, at <br /> agooderham@sjgoy,-Org or (209) 616-3062. <br /> Michael Kith, REHS <br /> Program Coordinator <br /> CC: Andrew Lagomarsino (16042 East Baker Road, Linden, CA 95236) <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 />