Versions of Louisiana Civil Code 499 - Alluvion and dereliction. on LawServer 2023 Louisiana Civil Code 499 – Alluvion and dereliction. 2022 Louisiana Civil Code 499 – Alluvion and dereliction. 2021 Louisiana Civil Code 499 – Alluvion and dereliction. 2020 Louisiana Civil Code 499 – Alluvion and dereliction. 2019 Louisiana Civil Code 499 – Alluvion and dereliction.