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National Oral Health Surveillance System

Fluoridation Status

Fluoridation is considered beneficial by the overwhelming majority of the health and scientific communities, as well as the general public.

Fluoride helps prevent tooth decay. All ground and surface water in the United States contains some naturally occurring fluoride. If a community's water supply has a low natural fluoride level (less than 0.7 parts per million), fluoridation adjusts the level of fluoride to the optimum level for protecting teeth against decay (0.7–1.2 parts per million).

View the following for fluoridation status data:

  • Public Water Supply
    Percentage of the U.S. population on Public Water Systems receiving fluoridated water. A public water system provides water for human consumption to the public through a system of pipes.
  • Fluoridation Growth
    Fluoridation Growth, by the U.S. Population, 1945–2006. Fluoridation of community water supplies in the United States has grown from 230,000 people in 1945 to more than 184 million people in 2006.
  • Water Supply Statistics
    Public vs. Private Water Supply Statistics. Private water systems are individual systems, generally wells and springs.






Page last reviewed: October 15, 2008
Page last modified: October 15, 2008
Content Source: Division of Oral Health, National Center for Chronic Disease Prevention and Health Promotion


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