The petition shall set forth:

(1) The name of the proposed district consisting of a chosen name preceding the words “metropolitan water supply district”;

(2) An estimate of the number of inhabitants and of the assessed valuation of the taxable tangible property of the district;

(3) A description of and an estimate of the cost of the proposed improvements;

(4) A suggested maximum rate of tax levy for general operating purposes not to exceed twenty-five cents on the one hundred dollar valuation;

(5) A general description of the boundaries of the district or territory to be included therein, with such certainty as to enable a property owner to determine whether or not his property is within the district;

(6) A list of the public water supply districts, cities, towns, villages and other political subdivisions within the bounds of the proposed district, an estimate of the number of water customers of such units and an estimate of the water consumption of said customers;

(7) The names of five voters of the district who shall constitute the first board of directors of the district;

(8) Such other data and information as may be useful to the court in determining the necessity for the organization of the district.