Upon receiving the requisite permit from the State Department of Health and until further direction of the council, the department of public works is hereby authorized and directed to provide the means and to proceed with the introduction of sodium fluoride or other suitable salt or acid of fluorine into the water supply, in such quantities as are required to maintain throughout the pipe distribution system a fluoride ion concentration of approximately one part per million.
(Code 1985 § 29-48; Code 1964 § 29-29)