If the natural fluoride content of supplied water of a public water system is less than eight-tenths milligrams per liter of water, fluoride shall be added to such water to maintain fluoride content of not less than eight-tenths milligrams per liter of water nor more than one and three-tenths milligrams per liter of water beginning:

Terms Used In Ohio Code 6109.20

  • Public water system: includes any collection, treatment, storage, and distribution facilities under control of the operator of the system and used primarily in connection with the system, any collection or pretreatment storage facilities not under such control that are used primarily in connection with the system, and any water supply system serving an agricultural labor camp as defined in section 3733. See Ohio Code 6109.01

(A) On or before January 1, 1971, for a public water system supplying water to twenty thousand or more persons;

(B) On or before January 1, 1972, for a public water system supplying water to five thousand or more persons, but less than twenty thousand persons.