As used in this subchapter, unless the context otherwise requires:
(1) “Commission” means the Arkansas Public Service Commission or any other state agency which may succeed to its powers;
(2) “Navigable water crossing” means:
(A) The crossing of a navigable waterway by a public service facility; or
(B) That portion of the public service facility which is extended over, under, or across a navigable waterway, whether such a crossing is effected by suspending the public service facility from any overhead structure or by laying the public service facility upon or under the bed of the navigable waterway;
(3) “Navigable waterway” means any navigable river, lake, or other body of water used, or susceptible of being used in its natural condition as highways for commerce, located wholly or partly within this state;
(4) “Public service facility” means any of the following:
(A) Electric power line;
(B) Pipeline for the transportation of water; or
(C) Pipeline for the transportation of gas, petroleum, gasoline, fuel, or any other substance capable of being moved through a pipeline as a common carrier or as a noncarrier utility; and
(5) “River crossing proprietor” means the owner, whether a person, a corporation, a company, a firm, partnership, or other association, that owns or proposes to construct a navigable water crossing.