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p.QIIUV <br /> °z SAN JOAQUIN Environmental Health Department <br /> G A <br /> COUNTY <br /> Linda Turkatte, REHS, Director <br /> Greotness grows here. Kasey Foley,REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco,REHS, RDI <br /> Willy Ng, REHS <br /> July 7, 2019 Muniappa Naidu, REHS <br /> Michael Kith,REHS <br /> Abby Racco <br /> Live Oak Geo Environmental <br /> 407 West Oak Street , <br /> Lodi CA 95240 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 1660 West Edna Court, Tracy <br /> APN 255-300-03, SR0080810 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading (SSNL) Study, dated June 13, 2019 and submitted on June 25, 2019 for the 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 nitrate to groundwater, for an existing 4-bedroom dwelling <br /> and a proposed 2-bedroom second unit dwelling on approximately 1.49 acres. <br /> The results of the nitrate loading evaluation indicate the existing OWTS serving a 4-bedroom dwelling and a <br /> new OWTS to serve a second unit dwelling with a maximum of 2-bedrooms will likely contribute some nitrate <br /> to shallow groundwater over time. However, the water well testing indicates the aquifer being utilized for <br /> drinking water is not exceeding the levels of nitrate considered suitable for the potable water supply. <br /> Based on the information provided, the EHD finds that the SSNL Study supports the suitability for standard <br /> OWTS usage for this parcel for the proposed home, pursuant to San Joaquin County Ordinance Code Title <br /> 9, Section 9-1105.2(d), provided the existing and proposed OWTS and 100% replacement areas can meet <br /> all required minimum setbacks from any water wells. The site map for the building permit for the second unit <br /> dwelling must be drawn to scale and must show the location of all buildings, driveways, the existing and <br /> proposed OWTS, the OWTS replacement areas and any water wells within 200 feet of the proposed OWTS <br /> and replacement areas. Any future OWTS must be installed as shallow as possible and the dispersal area <br /> cannot be driven over, paved over, or used for any other purpose. <br /> If you have any questions please contact Michael Kith, REHS, Program Coordinator at mkith slgov.orA or <br /> (209) 468-3444. <br /> Mich I Kith, REHS <br /> Program Coordinator <br /> c: Jaspal Sandhu <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjcehd.com <br />