The initiating petition shall contain the following: (1) The name of the proposed district; (2) A statement that there is need in the interest of the public health, safety, and welfare for creation of a district to accomplish improvements in the watershed; (3) A statement in general terms setting forth the purposes of the contemplated improvements, the territory to be included in the district, and all proposed subdivisions, if any, of the district; (4) The number of and names of the initial board of managers of the proposed district, the provisions of §§ 6-16-5 and 6-16-5.2 notwithstanding. The initial managers shall serve for a period of one year or until the first annual meeting. The petition shall specify whether the board consists of three or five members. The managers shall be eligible voters of the proposed district or the designee of an eligible voter as provided in §