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sopa--�co <br /> SAN__ JOAQUIN Environmental Health Department <br /> COUNTY Jasjit Kang, RENS, Director <br /> \ q� <br /> Gi , Greatness grows Mere. Muniappa Naiclu, REHS,Assistant Director <br /> g F0 <br /> PROGRAM COORDINATORS <br /> Jeff Carruesco, REHS,RDI <br /> Willy Ng,REHS <br /> Steven Shih, REHS <br /> Elena Manzo, REHS <br /> Natalia Subbotnikova, REHS <br /> August 22, 2023 ORIGINAL <br /> Tariq Aslami <br /> 45 W. Conejo Ct. <br /> Mountain House, Ca. 95351 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 25071 S Lammers Rd. Tracy <br /> APN: 209-25-023, SR0087011 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading Study (SSNL) amended on August 21, 2023 for the above noted location and has the following <br /> 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 nitrate loading impact to groundwater from the proposed <br /> eight bedroom Single Family Dwelling. <br /> Based on the information provided the EHD can make the following findings: <br /> a. Based on the information provided the EHD finds that the SSNL Study does not support the suitability <br /> for standard OWTS usage for the proposed eight bedroom Single Family Dwelling, pursuant to San <br /> Joaquin County Development Title, Section 9-604.010(d). Calculations for the eight bedroom dwelling <br /> were provided and resulted of 10.8 ppm as nitrate-nitrogen which is not acceptable without an <br /> engineering system to be required. However, a 2,000 gal tank and a 1,200 gal tank will be acceptable <br /> to mitigate the excess of nitrate-nitrogen estimated to be generated. <br /> b. Percolation test conducted on December 21, 2022 yielded a percolation rate of 30 min. At this rate, a <br /> 5 feet soil separation is required between bottom of dispersal field and the groundwater. Groundwater <br /> was reported at 146±feet. (San Joaquin County OWTS Standard Table 1.10.2). <br /> If you have any questions please contact Aldara Salinas, Environmental Health Specialist, at <br /> asalinas(�i)_slgov.orq, 209-616-3019. <br /> r." <br /> Steven Shin, REHS <br /> Program Coordinator <br /> CC: NATS 4713 Enterprise Way Suite 4, Modesto CA. 95356 (209) 545-1108 <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 />