S.C. Code Ann. Regs. 103-564 – Maintenance of Plant and Equipment.

A. Each sewerage utility shall adopt and pursue a maintenance program aimed at achieving and maintaining efficient operation of its system so as to permit the rendering of safe, adequate and continuous service at all times.
B. Maintenance shall include keeping all plant and equipment in a good state of repair, consistent with safety and adequate performance factors.
1) Broken, damaged, or deteriorated parts which are no longer serviceable shall be repaired or replaced.
2) Adjustable apparatus and equipment shall be readjusted as necessary when found to be in an unsatisfactory operating condition.