(1) The Division of Environmental Quality shall license and certify all applicants for licenses under this subchapter who satisfy the requirements of this subchapter and the rules issued pursuant to this subchapter. Licenses shall be granted according to the classification of wastewater treatment plants established under this subchapter. Licenses shall be valid for a period of two (2) years and shall be renewable upon application without examination.
(2) All operators of wastewater treatment plants within the state shall apply to the division for a license.
(3) In its discretion, the division may waive the requirements or any part of the requirements for formal examination of an applicant for license if the applicant holds a valid license or certificate from another state in which the requirements for license in the appropriate classification are at least equal to the requirements set forth in this subchapter and the rules issued pursuant to this subchapter.