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uly c` <br /> JAN J O A Q U I N Environmental Health Department <br /> COUNTY Linda Turkatte, REHS, Director <br /> \'CgLFOPi�p' Greatness grows here, <br /> Kasey Foley,REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco, REHS, RDI <br /> Rodney Estrada,REHS <br /> Willy Ng, REHS <br /> March 21, 2018 Py <br /> Muniappa Naidu, REHS <br /> Marcelino Martinez <br /> 3243 E. Lathrop Rd <br /> Manteca, CA 95336 <br /> RE: Nitrates in your Water Well for Address <br /> The Environmental Health Department has received water test results taken by McCampbell <br /> Analytical Inc. The sample taken on February 9, 2018 was tested for nitrates and showed results <br /> of 25.0 mg/L (milligrams per litre) Nitrate as Nitrogen (N) in your domestic well at 3243 E. Lathrop <br /> Rd. <br /> The State Department of Health Services adopted a standard of 10 mg/L for Nitrate as Nitrogen <br /> (N) in public drinking water systems; however, private well owners are not legally required to <br /> meet this standard. As a precaution for yourself, members and guests, the Environmental Health <br /> Department would suggest that you have your domestic well tested annually to verify if the <br /> above-described chemical continues to be above state drinking standards. <br /> If your private well analysis for nitrate exceeds the State standard of 10 mg/L again, the following <br /> alternatives are being provided for your guidance: <br /> 1. As a temporary measure, it is recommended that bottled drinking water be used if this well <br /> is supplying drinking water. Infants below the age of six months who drink water containing <br /> nitrate in excess of the MCL may quickly become seriously ill and, if untreated, may die <br /> because high nitrate levels can interfere with the capacity of the infant's blood to carry <br /> oxygen. Symptoms include shortness of breath and blueness of the skin. High nitrate levels <br /> may also affect the oxygen-carrying ability of the blood of pregnant women. <br /> 2. In cases where exposure may continue indefinitely, such as with contaminated private wells, <br /> installation of a water treatment device, such as a filter, may be advisable. However, using <br /> bottled water or installing a water treatment device at the kitchen water tap, will not stop <br /> exposure to nitrates in your private water supply. Most treatment units sold for home <br /> installation only treat water at the point of use, such as the kitchen faucet, and do not prevent <br /> exposure through skin contact, bathing or inhalation. As a result, point of entry filters, which <br /> treat water for the entire house, are recommended because they remove all potential sources <br /> of exposure. The "'Reverse Osmosis Purification Filter" is the recommended water treatment <br /> device in this cas . It operates by passing the well water through a series of filters and <br /> reverse osmosis membranes thereby removing the nitrate contaminant. Water treatment <br /> equipment suppliers and installers are listed in your phone directory yellow pages under <br /> "Water Filtration & Purification Equipment." <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjcehd.com <br />