Minn. Stat. § 86B.801: ENFORCEMENT AUTHORITY.

Subdivision 1. Authority.

(a) A sheriff or conservation officer may stop, inspect, and detain for a reasonable time a watercraft observed in violation of Minnesota statutes or rules, and is empowered to issue a summons and complaint for violations of this chapter in the same manner as for violations of game and fish laws.

(b) As used in this subdivision, "inspect" does not mean the authority to board a watercraft.

Subd. 2. Enforcement duties.

The sheriff of each county and conservation officers shall enforce the provisions of this chapter.