Ind. Code § 14-25-7-4
As used in this chapter, "instream use" means any use of water that uses surface water in place. The term includes the following uses:
(6) The maintenance of environmental and aesthetic values.
[Pre-1995 Recodification Citation: 13-2-6.1-1 part.]
As added by P.L.1-1995, SEC.18.