(1) The proposed name of the watershed improvement district;
(2) That there is need, in the interest of the public health, safety, or welfare, for a watershed improvement district for the territory described in the petition;
(3) A description of the territory proposed to be organized as a watershed improvement district, which description shall be deemed sufficient if generally accurate;
(4) That the territory described in the petition is contiguous and is in the same watershed;
(5) A request that the territory described in the petition be organized as a watershed improvement district.
Land lying within the limits of one watershed improvement district shall not be included in another watershed improvement district.