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SAN 10 A Q U I N Environmental Health Department <br /> `° r y COUNTY Linda Turkatte, REHS, Director <br /> Greatness grows here. COPY Kasey Foley, REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco, REHS, RDI <br /> Willy Ng,REHS <br /> Jul 2 2019 Muniappa Naidu, REHS <br /> July Michael Kith,REHS <br /> Jasbir Cheema <br /> Elite Lender, LLC <br /> 4053 E. Morada Lane <br /> Stockton, CA 95212 <br /> RE: Nitrate Loading Study <br /> 5559 Black Oak Drive, Stockton <br /> APN 086-680-21, Service Request SR0080076 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Nitrate Loading <br /> (NL) Study, dated October 12, 2018, and subsequent additional submittals for the above noted <br /> location and has the following comments for your consideration. <br /> The NL was prepared to determine the suitability of the above noted parcel for onsite wastewater <br /> treatment system (OWTS) usage and the potential impact of nitrate to groundwater, for a proposed <br /> 5-bedroom single family dwelling on approximately 1.03 acres, utilizing public water service. <br /> Using the Hantzche and Finnemore equation and the input parameters provided by Applied <br /> Wastewater Solutions, Inc. on April 25, 2019, the weighted average concentration of nitrate-nitrogen <br /> in recharge water is 9.94 mg/L-N. Using rainfall recharge data from the nearest California Irrigation <br /> Management Information System or CIMIS, the resulting nitrate-nitrogen result is higher. However, <br /> other factors, including the thickness of the vadose zone and the provision of public water to the <br /> parcel, help to mitigate the potential impact from the OWTS. In addition, the home site parcel meets <br /> the minimum density of 1 acre per single family dwelling for parcel utilizing public water service, <br /> pursuant to Section 3.1 of San Joaquin County OWTS Standards. <br /> Based on the above information, the EHD has determined that the above noted parcel is suitable for <br /> standard OWTS usage for the proposed 5-bedroom single-family dwelling, pursuant to San Joaquin <br /> County Ordinance Code Title 9, Section 9-1105.2(d). <br /> The site map for the building permit for the proposed dwelling must be drawn to scale and must show <br /> the location of the OWTS and the 100% replacement area. <br /> If you have any questions please contact Michael Kith, REHS, Program Coordinator, at (209) 468- <br /> 3444 or mkith@s_ov.org. <br /> Michel Kith `REHS <br /> Program Coordinator <br /> c: Steven J. Buckley, REHS, Applied Wastewater Solutions, 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 />