(a) The notice of hearing on the petition shall include a statement of the nature and purpose of the district and the date, time, and place of hearing.
(b) The notice shall be prepared with one original and three copies. The county clerk shall retain one copy of the notice in his files and deliver the original and two copies to the county sheriff.

(c) The sheriff shall post one copy of the notice at the courthouse door 15 days before the day of the hearing and shall publish one copy in a newspaper of general circulation in the county once a week for two consecutive weeks. The first newspaper publication shall be made at least 20 days before the day of hearing.
(d) Before the hearing, the sheriff shall make due return of service of the notice with copy and affidavit of publication attached to the original.