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' <br /> Z SQ N J QQ Q N Environmental Health Department <br /> COUNTY Linda Turkatte, RENS, Director <br /> Greatness grows here. Kasey Foley,REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco, REHS, RDI <br /> N ,REHS <br /> lly <br /> July 7, 2019 MuniappalNadu,REHS <br /> Michael Kith,REHS <br /> Jaime Arellano <br /> 150 South Alpine Road <br /> Stockton CA 95215 `` <br /> RE: Nitrate Loading Study <br /> 150 South Alpine Road, Stockton <br /> APN 103-040-28, -29, SR0080830, BP-1802392 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Nitrate Loading (NL) <br /> Study, dated April 26, 2019 and submitted on June 27, 2019 for the above noted location and has the following <br /> comments for your consideration. <br /> The NL Study was prepared to determine the suitability of the above noted parcels for onsite wastewater <br /> treatment system (OWTS) usage and the potential impact of nitrate to groundwater, for an existing 3-bedroom <br /> dwelling and a proposed 3-bedroom second unit dwelling on approximately 3.98 acres. <br /> The results of the nitrate loading evaluation indicate the existing OWTS serving a 3-bedroom dwelling and a <br /> new OWTS to serve a second unit dwelling with a maximum of 3-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 NL 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 revised and submitted to the EHD for review prior to the issuance of the building permit. <br /> The site map 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. All OWTS dispersal areas cannot be driven over, paved over, or used for any other <br /> purpose. <br /> If you have any questions please contact Michael Kith, REHS, Program Coordinator at mkith@slgov.org or <br /> (209) 468-3444. <br /> Michkel Kith, REHS <br /> Program Coordinator <br /> c: Terracon Consultant, Inc. <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjcehd.com <br />