Tenn. Code Ann. § 68-221-707: Supervision of operation and maintenance of public water systems

(a) The department shall exercise general supervision over the operation and maintenance of public water systems throughout the state.

(b) Such general supervision shall include all the features of operation and maintenance which do or may affect the quality or quantity of the water supplied.

(c) In addition, all new community public water systems shall submit an operation and maintenance plan for review and approval by the department.

(d) Approval of this plan must be obtained before construction begins.