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San Joaquin County <br /> DIRECTOR <br /> Environmental Health Department Linda Turkatte, REHS <br /> 1868 E Hazelton Avenue <br /> Stockton, California 95205 PROGRAM COORDINATORS <br /> jRobert McClellon, REHS <br /> c Jeff Carruesco, REHS, RDI <br /> Website: www.sjcehd.com Kasey Foley, REHS <br /> Phone: (209)468-3420 Adrienne Ellsaesser, REHS <br /> Fax: (209) 464-0138 Rodney Estrada, REHS <br /> October 28, 2015 <br /> Patricia Van Groningen <br /> Van Groningen Property <br /> 15176 Jack Tone Rd. <br /> Manteca, CA 95336 <br /> RE: Nitrates in your Water Well for 12151 S. Jack Tone Rd., Manteca <br /> The Environmental Health Department has received water test results taken by Abby <br /> Racco with Live Oak GeoEnvironmental. The sample taken on August 25, 2015, was <br /> tested for nitrates and showed results of 10.7 mg/L (milligrams per liter) Nitrate Nitrogen <br /> in your domestic well at 12151 S. Jack Tone Rd. <br /> The State Department of Health Services adopted a standard of 10 mg/L for Nitrate <br /> Nitrogen in public drinking water systems, however, private well owners are not legally <br /> required to meet this standard. As a precaution for yourself, members and guests, the <br /> Environmental Health Department would suggest that you have your domestic well <br /> tested annually to verify if the above-described chemical continues to be above state <br /> drinking standards. <br /> If your private well analysis for nitrate exceeds the State standard of 10 mg/L again, the <br /> following alternatives are being provided for your guidance: <br /> 1. As a temporary measure, it is recommended that bottled drinking water be used if <br /> this well is supplying drinking water. Infants below the age of six months who drink <br /> water containing nitrate in excess of the MCL may quickly become seriously ill and, <br /> if untreated, may die because high nitrate levels can interfere with the capacity of <br /> the infant's blood to carry oxygen. Symptoms include shortness of breath and <br /> blueness of the skin. High nitrate levels may also affect the oxygen-carrying ability <br /> of the blood of pregnant women. <br /> 2. In cases where exposure may continue indefinitely, such as with contaminated <br /> private wells, installation of a water treatment device, such as a filter, may be <br /> advisable. However, using bottled water or installing a water treatment device at the <br /> kitchen water tap, will not stop exposure to nitrates in your private water supply. <br /> Most treatment units sold for home installation only treat water at the point of use, <br /> such as the kitchen faucet, and do not prevent exposure through skin contact, <br />