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Michigan Minute
Michigan Minute

First Fluoridated Water in Grand Rapids, Michigan | Jan 25

Published January 25, 2026 at 12:00 AM EST
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On this day in 1945, Grand Rapids, Michigan became the first U.S. city to add fluoride to its tap water. This was part of a study comparing dental health with Muskegon, MI, which later also fluoridated its water. Learn about the origins and impact of water fluoridation.

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