Riparian owners or their lessees of property along the banks of navigable waterways and the owners or lessees of the bed of any navigable stream, lake, or other body of water within the limits of the district may, with the consent of the district, and in conformity to plans and specifications approved by the governing authority thereof, erect and maintain on the batture, banks or bed of any navigable stream, lakes or other bodies of water owned or leased by them, such wharves, buildings or improvements as may be required for public or private purposes; but in all cases, such wharves, buildings or improvements shall remain subject to the administration and control of the district with respect to their maintenance and to the fees and charges to be exacted for their use by the public. The district may expropriate without compensation any private wharves, landings, buildings or other structures erected by owners or their lessees on such waterways whenever such wharves, landings, buildings or other structures have been erected by the owners or lessees subsequent to January 1, 1971, without first obtaining the consent of the district for the construction or erection of the same, and its approval of the plans and specifications for their construction or erection. Nothing herein shall apply to the operations of a mineral lessee of the state upon the shores, banks or water bottoms covered by such lease and authorized by the provisions of R.S. 30:172.
La. Navigation and Shipping § 34:1361