Tennessee § 68-221-709 - Fluoride levels.

§ 68-221-709. Fluoride levels.

If the quarterly analysis of a water sample from a public water system by a certified laboratory confirms that the level of fluoride in the sample exceeds one and one-half milligrams per liter (1.5 mg/L), the public water system from which the sample was taken must: Obtain laboratory analysis of water samples monthly for fluoride levels; and Notify all of its customers that a water sample tested exceeded one and one-half milligrams per liter (1.5 mg/L) of fluoride in a manner established by the department. Once the monthly analysis of water samples for fluoride conducted pursuant to subdivision (a)(1) confirms that the fluoride level in samples is less than one and one-half milligrams per liter (1.5 mg/L) for three (3) consecutive months, the public water system may resume quarterly laboratory analysis for fluoride. Acts 2017, ch. 404, § 1. Compiler's Notes. Former title 68, ch. 13, parts 1-10 were transferred to title 68, ch. 221, parts 1-10, respectively, in 1992. See the parallel reference table in § 68-221-101 for the former and new section locations. Former § 68-221-709 (Acts 1983, ch. 324, § 10; T.C.A., § 68-13-709 ), concerning performance bond or other security, was repealed by Acts 1998, ch. 592, § 6, effective March 10, 1998. For the Preamble to the act concerning water systems and the notification of customers as to drinking water quality, please refer to Acts 2017, ch. 404 Effective Dates. Acts 2017, ch. 404, § 2. May 18, 2017.