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a NC <br /> "c S A N J 0 A Q U I N Environmental Health Department <br /> i COUNTY Wayne Fox, REHS, Interim Director <br /> °x41;:0?� ' Greatness grows here. PROGRAM COORDINATORS <br /> Robert McClellon, REHS <br /> Jeff Carruesco, REHS,RDI <br /> Willy Ng, REHS <br /> O P <br /> n /7Munich Naidu, REHS <br /> V Michael Kith, REHS <br /> Melissa Nissim, REHS <br /> June 25, 2020 <br /> MCR Engineering <br /> 1242 DuPont Court <br /> Manteca, CA 95336 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 14600 Austin Rd, Manteca <br /> APN 206-100-50, SR0082150 <br /> The San Joaquin County Environmental Health Department (EHD) has received and reviewed the Soil <br /> Suitability/Nitrate Loading Study, dated May 22, 2020, submitted on June 6, 2020 forthe above noted location, <br /> 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 treatment <br /> system (OWTS) usage and the potential impact of nitrates to groundwater for the proposed project <br /> development. The nitrate loading study was prepared to determine the long-term nitrate loading impact from <br /> the proposed OWTS. The proposed development project includes: <br /> 1. A new classroom building and a 7,200 square foot gymnasium with a total of wastewater of 1,361 <br /> gallons per day generated by 585 students and staff. <br /> 2. The wastewater volume of 1,361 gallons per day is not to be used for septic design or size calculation. <br /> Based on the information provided, the EHD can make the following findings: <br /> 1. The SSNL Study supports the suitability for OWTS usage for the proposed development project on <br /> the above mentioned parcel, pursuant to San Joaquin County Ordinance Code Title 9, Section 9- <br /> 1105.2(d), provided proposed OWTS and 100% replacement area can meet all required minimum <br /> setbacks from any water wells. <br /> 2. Soil boring analysis indicate groundwater at 17' below ground surface. OWTS shall have minimum of <br /> 8' of soil separation between bottom of dispersal field and groundwater. <br /> If you have any questions please contact Naseem Ahmed, Registered Environmental Health Specialist, <br /> REHS, at nahmed@sjgov.org or (209) 468-3436. <br /> w <br /> Michael Kith, REHS <br /> Program Coordinator <br /> C: Condor consultants <br /> 1868 E. Hazelton Avenue Stockton, California 95205 1 T 209 468-34201 F 209 464-0138 1 www.sjgov.org/ehd <br />