Upon receipt of the petition, the county government shall hold a public hearing, notice of which shall be published at least once in a newspaper published within the County. Said notice shall be published not more than 21 and at least 10 days before the public hearing and shall contain a description of the boundaries of the proposed stormwater maintenance district and a statement that the county government will hold a hearing to consider whether or not to create the proposed district. The notice shall also state that in the event the county government decides to create the proposed stormwater maintenance district, the county government will assess the unit costs of stormwater maintenance against each unit of real property used or intended for residential purposes within the stormwater maintenance district.