Utah appears to be the first state ready to put a full ban on fluoride in public water systems under a bill that doesn’t allow cities or communities to decide whether to add the cavity-preventing mineral.

Fluoride will be banned from Utah water systems by May 7, if Gov. Spencer Cox signs a bill now headed to his desk.

The Republican-controlled statehouse sent the bill to Gov. Spencer Cox’s (R) desk last week after it passed both chambers largely along party lines.

Utah Gov. Spencer Cox signed one of the most controversial bills of the session that would ban collective bargaining for public labor unions.