Indiana Code Title 14. Natural and Cultural Resources § 14-15-7-1

(1) Prescribe the form of accident reports, permits, and certificates required by this article and the form of applications for permits and certificates.

(2) Carry on a campaign of education with respect to safety in the operation of watercraft and in the use and enjoyment of public waters and with respect to Indiana laws relating to public waters.

(3) Carry out and enforce this article and in connection with these duties provide and maintain conservation officers and patrol boats upon public waters.

(4) Locate, establish, and place, and authorize the location, establishment, and placing by others on behalf of the department, buoys, beacons, lights, markers, stakes, flags, and other aids to the safe operation of watercraft upon public waters.  Each safety device must be approved by the United States Coast Guard and recommended by the United States Coast Guard as a uniform waterway marking system.