Welcome to the Hardin Water Supply Corp. Board Meetings Page. Please check here for all the latest information from our monthly water utility board meetings! Meetings are held at the Hardin Water Supply Office at 11224 Hwy. 146 N every 2nd Tuesday of each month starting at 7:30 pm. To speak at a meeting you must put in a written request to be placed on the upcoming agenda and a brief description of the item you wish to discuss.