A BILL for an Act to create and enact a new section to chapter 61-28.1 of the North Dakota Century Code, relating to the prohibition on water fluoridation; to provide a penalty; and to provide an effective date.

HB 1605 would ban adding fluoride to public drinking water systems in North Dakota for fluoridation purposes, directly affecting municipal water providers and public health departments. The bill prohibits adding any fluoride compound (like sodium fluoride) to public water supplies but excludes naturally occurring fluoride or industrial uses. Violators face a $500 fine for first offenses and $1,000 for repeat violations, enforced by the Department of Environmental Quality. The bill was introduced in January 2025, passed committee, but failed to advance in the legislature on February 19, 2025 (40-53 vote).