Indiana Code Title 14. Natural and Cultural Resources § 14-28-1-20

(1) Erect in or on any floodway a permanent structure for use as an abode or a place of residence, except as authorized under sections 24, 25, and 26.5 of this chapter.

(2) Except as authorized under section 26.5 of this chapter, erect, make, use, or maintain in or on any floodway, or suffer or permit the erection, making, use, or maintenance in or on any floodway, a structure, an obstruction, a deposit, or an excavation that will do any of the following:

(3) Reconstruct or allow or permit the reconstruction of an abode or a residence located in a floodway, except as authorized under sections 24, 25, and 26.5 of this chapter.