The governing body of Dorchester County may adopt regulations concerning maintaining and operating public docks, piers, wharves, and harbor facilities owned or leased by the county. A regulation adopted under this subsection may include provisions related to: permits; berths; mooring; swimming; trash disposal and removal; and sunken vessels. The governing body of Dorchester County may adopt penalties for a violation of a regulation adopted under this section, including imprisonment not exceeding 6 months or a fine not exceeding $500 or both.