Sec. 6. As used in this chapter, "volume" means the amount of water that is impounded by a structure: (1) at or below the elevation of the top of the structure; or (2) at or below the maximum design flood pool elevation; whichever is lower. As added by P.L.148-2002, SEC.15.
"Volume"
Ind. Code § 14-27-7.5-6, under Chapter 7.5. Regulation of Dams.
Ind. Code § 14-27-7.5-6