(1) The department shall adopt rules necessary to carry out this chapter. The rules shall include but are not limited to provisions establishing the basis for classification of treatment plants under 37-42-104, provisions establishing qualifications of applicants, procedures for examination of candidates, and other provisions necessary for the administration of this chapter.
(2) The department shall hold at least one examination each year, at a time and place designated by the department, for the purpose of examining candidates for certification.
(3) The department may establish reasonable continuing education requirements for certified water and wastewater operators.