Conn. Gen. Stat. § 15-140d

No person shall place or cause to be placed any marker, raft, dockslip, ski jump or similar structure upon the state's waters so as to create an obstruction or menace to navigation or a hindrance to the public use of such waters. If the Commissioner of Energy and Environmental Protection determines that any such structure constitutes a hazard in tidal waters, the commissioner may order the owner to dismantle or remove the structure or to take other measures to eliminate the danger. If the commissioner determines that any such structure constitutes such a hazard in the state's waters other than tidal waters, the commissioner may order the owner to dismantle or remove the structure or to take other measures to eliminate the danger.