Minn. Stat. § 103E.115: HYDROLOGICAL AND DRAINAGE INFORMATION.

(a) The director may prepare and publish:

(1) runoff data;

(2) information about the capacity of drain tile and ditches;

(3) specifications for drain tile, ditches, and ditch construction; and

(4) standard procedural forms for public ditch proceedings.

(b) The director may furnish the information to engineers and drainage authorities for their advice and information.