Fluoride has been added to United States drinking water supplies since 1945. Of the 50 largest cities in the country, 43 add fluoride to their drinking water. In late 1995, the State of California passed a law (AB 733) requiring the California Department of Public Health to adopt regulations that require the fluoridation of the water of any public water system with at least 10,000 service connections when and if the state provided funding. While this funding was never made available, Metropolitan Water District (MWD) started adding fluoride to drinking water in order to prevent tooth decay. In line with recommendations from the California Department of Public Health and the U.S. Center for Disease Control and Prevention, MWD adjusted the natural fluoride level in imported treated water from the Colorado River and State Project water to the optimal range for dental health of 0.7 to 1.3 parts per million.
While there may be some naturally occurring fluoride in our groundwater, Lomita does not add fluoride to its drinking water supplies. The fluoride content in water imported from the Colorado River and Northern California averages 0.8 parts per million, and the amount received at your home will vary depending on the mix of groundwater that you receive. Questions about MWD’s fluoridation policy may be directed to MWD directly at http://www.mwdh2o.com/.
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