Indiana Code Title 14. Natural and Cultural Resources § 14-22-3.5-1

(1) Fifty percent (50%) of the fund shall be used to pay costs incurred by the department in implementing the lake and river enhancement projects.

(2) Fifty percent (50%) of the fund shall be used by the department to pay for lake or river (as defined in IC 14-32-7-12) projects, including, but not limited to, projects to:

For purposes of this subdivision, the fund may not be used for projects relating to a ditch or manmade channel.