Versions of Tennessee Code 68-221-1111 - Water quality regulation authority not limited by this part on LawServer 2024 Tennessee Code 68-221-1111 – Water quality regulation authority not limited by this part 2023 Tennessee Code 68-221-1111 – Water quality regulation authority not limited by this part 2021 Tennessee Code 68-221-1111 – Water Quality Regulation Authority Not Limited by This Part. [Contingent Amendment. See Second Version of Section and the Compiler’s notes.] 2020 Tennessee Code 68-221-1111 – Water Quality Regulation Authority Not Limited by This Part. [Contingent Amendment. See Second Version of Section and the Compiler’s notes.] 2019 Tennessee Code 68-221-1111 – Water quality regulation authority not limited by this part. [Contingent amendment. See second version of section and the Compiler’s Notes.] 2010 Tennessee Code 68-221-1111 – Water quality regulation authority not limited by this part