Notice of the public hearing shall be given by publishing a notice once a week for three (3) consecutive weeks in some newspaper of general circulation in the municipality. It shall not be necessary to set out in full in such notice the proposed establishment ordinance, but such notice shall state in summary detail those facts required to be included in the initiating petition or initiating resolution. The notice shall state the time and place of such public hearing, which shall be at least seven (7) days following the date of publication of the third and final notice. Such notice shall also be given by mail to each owner of real property within the proposed district.