Ind. Code § 14-28-3-5.1
(a) Except as provided in subsection (c), a person must obtain a permit under this section to erect, make, use, or maintain a structure, obstruction, deposit, or excavation in any place in a floodplain that is:
(d) Except as provided in subsection (e), the federal regulations that:
(3) were in effect on January 1, 1997;
are adopted as the criteria for determining whether an activity referred to in subsection (a) is allowed in Indiana.
(e) If the activity referred to in subsection (a) is the proposed erection, making, use, or maintenance of a structure in any place in a floodplain that is:
(2) state managed property;
the activity is not allowed unless the lowest floor of the structure is at least two (2) feet above the one hundred (100) year frequency flood elevation.
As added by P.L.191-2023, SEC.12.