(1) There is hereby created and established the Tennessee Duck River development agency, being a public body corporate and politic. For the purpose of this part it is referred to as the “agency” in this part.
(2) The agency is created for the purpose of developing and effectuating plans and programs for comprehensive development, including the control and development of the water resources of those portions of the Upper Duck River watershed lying in Coffee, Bedford, Hickman, Marshall and Maury counties, and integrating plans, programs and development activities with the overall economic development of the area described.
(3) Any county or municipality in the Duck River basin, or any governmental entity from which flows any tributary stream of the Duck River or any county adjoining the Duck River basin may, upon a two-thirds (2/3) majority vote of its governing body, elect to become an additional sponsoring and participating governmental entity in the Tennessee Duck River development agency. Representation on the board of directors shall be proportioned as provided for directors of such governmental entities so electing and be determined in the manner prescribed in § 64-1-602. Upon an affirmative action to become a sponsoring and participating governmental entity, the appropriate officer of such governmental entity shall notify the agency's offices and the current agency chair of such action.