Ind. Code § 36-1-29-11

Sec. 11. In accordance with applicable state laws, state administrative rules, and local ordinances, the repair of an existing seawall or revetment may include placing seawalls or revetments into the waters of Lake Michigan where the water is already coming into contact with those seawalls or revetments as long as the seawall or revetment repair is as close to the existing seawall or revetment as reasonably possible.