The notice of hearing shall state the following:
1. That a petition has been filed with the county auditor of the county for the conveyance and discontinuance of the sanitary district.2. An intelligible description of the boundaries of the sanitary district.3. The date, hour and place where the petition will be heard before the board of supervisors of the county.4. That the board of supervisors will hear all persons having an interest in the matter and that after the hearing, the board of supervisors will take action as is in the best interest of the sanitary district.C75, 77, 79, 81, § 358.28; S81, §358.34