S.C. Code Ann. § 44-55-70
A public water system shall, as soon as practicable, give public notice if it:
(5) fails to comply with the requirements prescribed by a variance or exemption.
The board shall prescribe procedures for the public notice, including procedures for notification by publication in a newspaper of general circulation, notification to be given in the water bills of the systems, as long as a condition of violation exists, and other notification as is considered appropriate by the board.