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SANsJOAQUIN Environmental Health Department <br /> l COUNTY Wayne Fox, REHS, Interim Director <br /> c G'loi+e�\P Greatness grows here. PROGRAM COORDINATORS <br /> Robert McClellon, REHS <br /> Jeff Carruesco, REHS, RDI <br /> Willy Ng, REHS <br /> Muniappa Naidu, REHS <br /> ORIGINAL Michael Kith, REHS <br /> Melissa Nissim, REHS <br /> July 22, 2020 <br /> Live Oak Geo Environmental, Inc. <br /> 407 West Oak Street <br /> Lodi, California 95240 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 1754 Mariposa Road, Stockton, CA <br /> APN: 173-040-04, SR0082330 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading (SSNL) Study, dated July 8, 2020 and received July 15, 2020 for the above noted location and has <br /> 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 project includes: <br /> 1. The construction of a 15,963 square foot welding shop and office with accessible restrooms on a 7.79 <br /> acre parcel. The parcel will continue to be served by Cal Water for water and proposes a new onsite <br /> septic system with a total wastewater flow of 285 gallons per day (gpd) from the following usage: <br /> Wastewater flow of 278.6 gpd from one shift of up to 30 employees. <br /> Wastewater flow of 6.4 gpd from an average of 3 customers per shift. <br /> 2. The wastewater flow of 285 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 Study uses the combined acreage of 2 neighboring parcels to calculate long term nitrate <br /> loading impact for the proposed project. The SSNL Study shall only use the acreage of the parcel that <br /> the proposed project and OWTS will be situated on to estimate the long term nitrate loading impact. <br /> Please submit an addendum to the EHD that addresses the above information for review. <br /> If you have any questions please contact Aaron Gooderham, Environmental Health Specialist, EHS, at <br /> agooderham@sjgov.org or (209) 468-3442. <br /> f, <br /> Mic ael Kith, REHS <br /> Program Coordinator <br /> CC: Vito Bavaro (26319 Magnolia Road Escalon, CA 95320) <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 />