S.C. Code § 6-11-280
No person shall turn, remove, raise or in any manner tamper with any cover of any manhole, filter, bed or other appurtenance of any sewer of any political subdivision without a written permit from the proper authorities of such subdivision and no person except those engaged by the proper authorities shall enter or tap to any public sewer without a special written permit.
No person shall, either within or without any political subdivision, obstruct, damage or injure any appurtenance of any waterworks, sewerage or drainage of any such subdivision.
Any person violating any of the provisions of this section shall be deemed guilty of a misdemeanor and, upon conviction, be subject to a fine not to exceed one hundred dollars or imprisoned for not to exceed thirty days.
S.C. Code § 6-11-280