Supervision and maintenance. The owner and/or lessee of a boathouse or marina shall provide for the proper supervision of such facility and to maintain such facility in good condition, free of litter or refuse, so as not to be offensive to surrounding lot owners or the general public. If such facility is in danger of becoming a hazard to residents, visitors, swimmers or boats, or adversely affecting navigation by reason of structural members extending or floating into Greenwood Lake, then the Construction Official shall notify and require the owner and/or lessee to undertake repairs.