Arizona State Senator Janae Shamp has introduced legislation aimed at banning the addition of fluoride chemicals to the state’s public water systems, according to a press release from the Arizona Senate Republicans. SB 1019, filed ahead of the 2026 legislative session, would prohibit individuals and political subdivisions from introducing fluoride or fluoride-containing compounds into drinking water supplied by public systems. … Arizona lawmakers argue that fluoridation entails ongoing costs for chemicals, equipment and maintenance, and say those funds could be better allocated to infrastructure upgrades or water conservation efforts. 

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