Minn. Stat. § 103E.081
A person may not cause or construct a drain that outlets into a lawfully constructed drainage system except as provided in this chapter.
A person may not willfully obstruct or damage a drainage project or system.
A person must not knowingly plant trees over a public drain tile, unless the person planting the trees receives permission from the drainage authority.
A person must not knowingly plant trees over a private drain tile that provides for the drainage of land owned or leased by another person, unless the person planting the trees receives permission from all persons who receive drainage benefits from the drain tile.
A person may not willfully change the location or alter markings of stakes set by the engineer in a drainage project or system.
Violation of this section is a misdemeanor.
Minn. Stat. § 103E.081
1990 c 391 art 5 s 17; 1Sp2005 c 1 art 2 s 117, 118