Water Fluoridation and Cancer Risk

Can you reduce your fluoride exposure?

Even without fluoridation, the natural levels of fluoride in water in some places can be even higher than 4 mg/L. Community water systems in such areas are required to lower the fluoride level below the acceptable standard. But the levels in private water sources, such as wells, may still be higher.

For people concerned that they or their families may be exposed to too much fluoride, there are some steps you can take to reduce your exposure.

• Know the level of fluoride in your drinking water. If your drinking water comes from a public source, you can find out about the levels of fluoride in your drinking water by contacting your local community water system. People who get their drinking water from a private source such as a well can have the fluoride levels tested by a reputable laboratory.
  Each system is also required to provide its customers with an annual report on water quality known as a Consumer Confidence Report. This report lists the levels of certain chemicals and other substances in the water, including fluoride. You can also contact the EPA’s Safe Drinking Water Hotline at 1-800-426-4791 for more general information about drinking water safety.
• People who live in areas with high levels of fluoride in the water might consider using alternate sources of drinking water, such as bottled water. Most bottled water has some fluoride, with natural spring waters tending to have the least. You can contact the bottler to find out about fluoride levels. There are also several methods to filter fluoride out of water, although these can be expensive.

The US Centers for Disease Control and Prevention (CDC) recommends that parents give children under the age of 6 only a pea-sized amount of toothpaste for brushing, and should do their best to make sure their children are not swallowing, as this can be a significant source of fluoride. Speak to your child’s dentist before using fluoride toothpaste in children under 2 years of age. Low- and no-fluoride toothpastes and other dental products are also available.