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P,pUlly <br /> SANAOAQUIN Environmental Health Department <br /> Q _ <br /> COUNTY <br /> Jasjit Kang, REHS, Director <br /> Greatness grows here. Muniappa Naidu, REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Jeff Carruesco, REHS, RDI <br /> Willy Ng,REHS <br /> Steven Shih, REHS <br /> Michelle Henry, REHS <br /> Elena Manzo, REHS <br /> Natalia Subbotnikova, REHS <br /> WELL WATER TEST RESULTS <br /> May 20, 2026 <br /> KAREN & MANUEL CARDOZA <br /> 15770 E RIVER RD <br /> RIPON, CA 95366 <br /> Location: 15770 E River Rd <br /> Sampling Date: 05/05/2026 <br /> Record ID: WP0044687 <br /> The San Joaquin County Environmental Health Department (EHD) requires well sampling as part of the <br /> permitting process for any new or replacement domestic well. San Joaquin County Well Standards <br /> section 9-9.2.1* states "To determine quality of water produced by a new water well, it shall be sampled <br /> by the EHD for bacteriological and chemical analysis after development, the installation of the well pump, <br /> and disinfection." The cost of sampling was included with the well permit issuance. <br /> We have sampled your new well and have received your results. Your water sample was analyzed by <br /> FGL Stockton Laboratory, a state certified lab. <br /> The well water results have FAILED the bacteriological (Coliform/) and Nitrogen established criteria. <br /> Contaminant Result MCL** <br /> Total Coliform Present Absent <br /> Nitrate + Nitrite as N 19.1 10 <br /> Nitrate as NO3 84.8 45 <br /> Nitrate Nitrogen 19.1 10 <br /> The well water PASSED the criteria for the other analyses: bacteriological (E-Coli), DBCP, and General <br /> Mineral. <br /> For more information and possible health effects, please refer to the attachments along with the full <br /> analytical results. If you have any questions, you may contact Rena' LeRoy, Registered Environmental <br /> Health Specialist, at (209) 616-3021. <br /> 4� <br /> Steven Shih, REHS <br /> Program Coordinator <br /> *As authorized by San Joaquin County Ordinance code section 9-1115.6 <br /> **MCL: The maximum contaminant level is the highest level of contaminant considered acceptable for <br /> potable water. <br /> 1868 E. Hazelton Avenue I Stockton, California 952051 T 209 468-3420 1 F 209 464-0138 1 www.sjcehd.com <br />