Tenn. Code Ann. § 62-21-129: Local regulation of pesticides

(a) Except as provided in § 62-21-118(b) or § 43-8-115 , no city, town, county or other political subdivision of this state shall adopt or continue in effect any ordinance, rule, regulation or statute regarding pesticide sale or use, including, but not limited to, registration, notification of use, advertising and marketing, distribution, applicator training and certification, storage, transportation, disposal, disclosure of confidential information or product composition.

(b) This section shall not be construed to limit the authority of a city, town or county to zone for storage of such products or to provide or designate sites for disposal of such products, to regulate discharge to sanitary sewer system or to implement an approved pesticide management plan as may be required by the Safe Drinking Water Act ( 42 U.S.C. § 300f et seq.)

(c) This section does not apply to any municipality having a population of not less than sixteen thousand five hundred (16,500) nor more than seventeen thousand five hundred (17,500), according to the 1990 federal census or any subsequent federal census.