W. Va. Code § 20-9-2: Boat Dock and Marina Safety Requirements - Swimming and Signage.

All boat dock or marina owners or operators shall install permanent safety signage with print legible at eighty feet of distance and placed to give adequate notice, to persons using the boat dock or marina or swimming near the boat dock or marina, of the electric shock hazard risks of the waters around the boat dock or marina. The signage shall state: "ELECTRIC SHOCK HAZARD RISK: NO SWIMMING WITHIN 100 YARDS OF THE BOAT DOCK".