A. All rules, regulations, water quality standards and administrative determinations of the commission and any constituent agency pertaining to the Water Quality Act that existed prior to the effective date of this 1993 act shall remain in full force and effect after that date until repealed or amended, unless in conflict with, prohibited by or inconsistent with the provisions of the Water Quality Act.

B. All enforcement actions taken before the effective date of this 1993 act shall be valid if based upon a violation of the Water Quality Act, including any regulation or water quality standard that was in effect at the time of the violation.