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QUIN <br /> /pP C <br /> ' SAN JOA U I N Environmental Health Department <br /> --COUNTY--- Jasjit Kang, RENS, Director <br /> Pp <br /> grows Greatness here. Mania a Naidu REHS Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco, REHS, RDI <br /> Willy Ng,REHS <br /> Michael Kith,REHS <br /> Melissa Nissim, REHS <br /> September 22, 2020 <br /> Lisa Vierra ORIGINAL <br /> 5388 E. Fig Road <br /> Manteca, CA 95337 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 5388 E. Fig Road, Manteca <br /> APN 226-050-02, SR0082520 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil <br /> Suitability/Nitrate Loading (SSNL) Study, dated August 26, 2020 and submitted on August 27, 2020 <br /> 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 pool cabana/game room associated with the primary unit, a second unit dwelling and <br /> conversion of one bedroom house into farm labor housing. <br /> 2. The OWTS usage wastewater averages 550 gallons a day from the following usages: <br /> 1. 250 gallons a day from proposed three-bedroom home and pool cabana. <br /> 2. 200 gallons a day from existing three-bedroom home. <br /> 3. 100 gallons a day from existing one-bedroom home. <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 <br /> for standard OWTS usage for future development on the proposed parcels, pursuant to San <br /> Joaquin County Ordinance Code Title 9, Section 9-1105.2(d), provided the existing and <br /> proposed OWTS and 100% replacement areas can meet all required minimum setbacks from <br /> any water wells. <br /> 2. A minimum of 8' of soil separation is required between bottom of dispersal field and <br /> groundwater. Historical data indicate groundwater at 9' below ground surface. <br /> 3. Septic sizing and design shall meet OWTS standard and daily flow rate of 150 gallons per <br /> day per bedroom. <br /> 4. The water sample taken by the homeowner Lisa Viera from the kitchen faucet is not <br /> acceptable. A qualified professional shall take water sample near the wellhead and have a <br /> qualified laboratory analyze the sample for nitrates and DBCP and provide results to EHD. <br /> 5. The existing out of service Ag well (SR0062294) shall be either abandoned or put back in <br /> service under EHD permit and inspection prior to issuance of building permit. <br /> 1868 E. Hazelton Avenue 1 Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/ehd <br />