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  2. Water chlorination - Wikipedia

    en.wikipedia.org/wiki/Water_chlorination

    As a halogen, chlorine is a highly efficient disinfectant, and is added to public water supplies to kill disease-causing pathogens, such as bacteria, viruses, and protozoans, that commonly grow in water supply reservoirs, on the walls of water mains and in storage tanks. [16]

  3. Water fluoridation in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_fluoridation_in_the...

    The research had two goals: (1) to warn communities with a high concentration of fluoride of the danger, initiating a reduction of the fluoride levels in order to reduce incidence rates of fluorosis, and (2) to encourage communities with a low concentration of fluoride in drinking water to add fluoride in order to help prevent tooth decay. By ...

  4. Chloramination - Wikipedia

    en.wikipedia.org/wiki/Chloramination

    Chloramination is the treatment of drinking water with a chloramine disinfectant. [1] Both chlorine and small amounts of ammonia are added to the water one at a time which react together to form chloramine (also called combined chlorine), a long lasting disinfectant. Chloramine disinfection is used in both small and large water treatment plants.

  5. Which drinking water is healthiest? The pros and cons of tap ...

    www.aol.com/lifestyle/drinking-water-healthiest...

    The Safe Drinking Water Act, which was passed by Congress in 1974, regulates the country’s drinking water supply, focusing on waters that are or could be used for drinking. This act requires ...

  6. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    In the absence of a residual disinfectant in the water, chlorine or chloramine may be added throughout a distribution system to remove any potential pathogens in the distribution piping. Ozone has been used in drinking water plants since 1906 where the first industrial ozonation plant was built in Nice, France.

  7. Americans drink more water than almost every other country ...

    www.aol.com/finance/americans-drink-more-water...

    According to Our World in Data, the United States was the top consumer of municipal water (for drinking, cooking, and washing) until 2003, when China surpassed us. Still, Americans are holding on ...