When the director of environmental management becomes cognizant of the violation of any provision of this chapter, he or she shall cause notice of the violation together with a copy of the findings to be given to the person or persons concerned. Persons notified shall be given a hearing under rules and regulations prescribed by the director. Notices of the hearing shall specify the date, hour, and place of the hearing. Whenever any prosecution takes place, the state director of environmental management shall not be required to furnish surety for costs, upon any complaint made by him or her.