What is fluoridation?
Fluoridation is the addition of fluoride to a drinking water supply so that it contains the level recommended for optimal protection against tooth decay. According to the CDC, approximately 170 million people, or over two-thirds of the population in the United States, are served by public water systems that are fluoridated.

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1. What is fluoride?
2. What is fluoridation?
3. Can I use optimally fluoridated tap water to mix infant formula?
4. Why is the Marin Municipal Water District fluoridating the water supply?
5. How much fluoride is added to the drinking water?
6. What chemical is being used?
7. How much does MMWD spend to fluoridate the water?
8. Can Marin Municipal Water District stop fluoridating the water supply?
9. What can I do to decrease the chances that my child’s teeth will develop fluorosis?