La. Civ. Code art. 686
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
A ditch between two estates is presumed to be common unless there be proof to the contrary.
Adjoining owners are responsible for the maintenance of a common ditch.
La. C.C. § 686