(a) The director of the Division of Environmental Protection shall promulgate rules in accordance with the provisions of chapter twenty-nine-a of this code to establish a state construction grants program that is designed to complement and supplement the state water pollution control revolving fund program established pursuant to subsection (b), section three of this article.

(b) The special fund designated "The West Virginia Construction Grants Fund" established in the State Treasury is continued. The special fund shall be comprised of moneys appropriated to said fund by the Legislature, assessments on existing wastewater treatment facilities, and all other sums designated for deposit to the special fund from any source, public or private: Provided, That such assessments shall be made and collected in accordance with fee schedules to be established by legislative rules promulgated by the director of the Division of Environmental Protection, in accordance with chapter twenty-nine-a of this code. Moneys in the special fund shall be used solely for the state construction grants program established under subsection (a) of this section: Provided, however, That moneys in the special fund may be utilized to defray the costs incurred by the Division of Environmental Protection in administering the provisions of this section.