In this chapter:
(1) “Board” means a board of trustees established under § 54.051.
(2) “Obligation” includes a bond.
(3) “Port improvement or facility” means an improvement or facility necessary or convenient for the proper operation of a port or harbor of a municipality, including:
(A) land, an interest in land, or property;
(B) a wharf, pier, or dock;
(C) a roadway or belt railway;
(D) a warehouse, grain elevator, transport facility, handling facility, or storage facility;
(E) a ship repair facility, dumping facility, bunkering facility, floating plant or facility, lightering facility, towing facility, or other facility that a navigation district is authorized to provide;
(F) equipment and supplies; and
(G) any other structure, building, or facility necessary or convenient for the proper operation of a port or harbor of the municipality.