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SF 3424

Fluoride addition to public drinking water prohibition

2025-2026 Regular Session Introduced by Bill Lieske and 2 co-sponsors

Minnesota bill would ban fluoride addition to public drinking water, eliminating a cavity-prevention public health measure affecting municipal water systems statewide.

Referred to Health and Human Services
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Bill Summary · SF 3424

Legislative bill overview

SF 3424 would prohibit the addition of fluoride to public drinking water supplies in Minnesota. The bill targets water fluoridation, a public health practice currently used in many Minnesota municipalities to reduce tooth decay, particularly in children and low-income populations without dental care access.

Why is this important

Water fluoridation is one of the most established public health interventions in the United States, credited with significant reductions in dental cavities since the 1940s. This bill would eliminate that benefit for residents in fluoridated water systems and potentially affect dental health outcomes, particularly for vulnerable populations. It also reflects a broader national debate about government involvement in public health decisions and individual choice.

Potential points of contention

  • Public health evidence vs. individual autonomy: The CDC and major health organizations support fluoridation's safety and effectiveness, but opponents argue residents should choose whether to consume fluoridated water rather than having it added automatically.
  • Health equity implications: Low-income families and children who lack access to dental care benefit most from fluoridation; removal could disproportionately affect these groups while wealthier residents can afford private dental treatments and bottled water alternatives.
  • Implementation and costs: Removing fluoridation infrastructure requires municipal decisions and resources; some communities may struggle with the transition or face increased public health dental costs.

Compiled from official sources — confirm details with the bill’s official record.

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