In any case where proceedings for the designation of an intensive groundwater use control area are initiated, the chief engineer shall hold and conduct a public hearing on the question of designating such an area as an intensive groundwater use control area. Written notice of the hearing shall be given to every person holding a water right in the area in question and notice of the hearing shall be given by one publication in a newspaper or newspapers of general circulation within the area in question at least thirty (30) days prior to the date set for such hearing. The notice shall state the question and shall denote the time and place of the hearing. At the hearing, documentary and oral evidence shall be taken, and a full and complete record of the same shall be kept.