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p QUIN <br /> <br /> <br />SAN JOAQUIN <br />COUNTY <br />Greatness grows here. <br />Environmental Health Department <br />Jasjit Kang, REHS, Director <br />Muniappa Naidu, REHS, Assistant Director <br />PROGRAM COORDINATORS <br />Robert McClellan, REHS <br />Jeff Carruesco, REHS, RDI <br />Willy Ng, REHS <br />Melissa Nissim, REHS <br />Steven Shih, REHS <br />Michelle Henry, REHS <br /> <br />woe/ <br />February 1,2022 <br />Don Chesney, PE <br />P.O. Box 3794 <br />Turklock, CA. 95381 <br />RE: Soil Suitability/Nitrate Loading Study <br />7070 S. Harlan Rd., French Camp <br />APN: 193-090-01, 5R0084741 <br />The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br />Loading (SSNL) Study, dated January 14, 2022 and has the following comments for your consideration. <br />The SSNL was prepared to determine the suitability of onsite wastewater treatment system (OWTS) usage <br />and the potential long-term impact of nitrate to groundwater from the proposed building addition to the existing <br />women's shelter. <br />Based on the information provided, the EHD can make the following findings: <br />Based on the information provided, the EHD finds that the SSNL Study supports the suitability for <br />standard OWTS usage for the proposed development pursuant to San Joaquin County Ordinance <br />Code Title 9, Section 9-1105.2(d). <br />Percolation test conducted on December 30, 2022 yielded a percolation rate of 50.0 minutes/inch. At <br />this rate, a five-foot soil separation shall be required between bottom of dispersal field and <br />groundwater-pursuant to San Joaquin County Onsite Wastewater Treatment Standard table 1.10.2. <br />Per SSNL Study, groundwater on site is reported between 25 and 30 feet below surface grade. <br />The OWTS and its 100% replacement areas shall meet all required minimum setbacks stated in San <br />Joaquin County (OWTS) Standard and Well Standard. <br />Based on the recommendations provided in the SSNL, the EHD will require that the already-installed <br />bull-run valve will be monitored to allow for appropriate effluent flow throughout the system. Please <br />provide the EHD with a written statement from Richard's Plumbing or another service provider <br />stating that they will monitor the system. <br />Based on the recommendations provided in the SSNL, the EHD will limit the facilities capacity to 37 <br />individuals and an average daily flow of no more than 2,200 gallons per day (gpd). <br />If you have any questions please contact Michael Suszycki, Senior Registered Environmental Health <br />Specialist, at msuszycki@sjgov.org or (209) 598-7001. <br />Steven Shih, REHS <br />Program Coordinator <br />c: Haven of Peace/ Ms. Olga Rodriguez, Executive Director, 7070 S. Harlan Rd. , French Camp, CA. 95231 <br />1868 E. Hazelton Avenue I Stockton, California 95205 I T 209 468-3420 I F 209 464- 0138 I www.sjgov.org/ehd