The City Of Kingsport Has Decided To Continue To Use Fluoride In Its Water System. A Majority Of Public Health Officials Say That Water Fluoridation At An Appropriate Level Is Safe And An Effective Way To Prevent Tooth Decay And Cavities. Opponents Disagree And Say Its A Costly Expense And Takes Away A Person’s Right To Choose. Kingsport Spends 45-Thousand A Year On Water Fluoridation. Assistant City Manager For Operations Ryan McReynolds Said The Acid Is Corrosive But Only As A Raw Material. Several Municipalities In The Tri Cities Are Opting Out Of Using The Chemical.