A person may not prevent a member of the board of directors or an employee or agent of the board of directors from entering land as authorized under § 25–401(c) of this title. A person who violates this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $50.

Except as provided in paragraph (2) of this subsection, a person may not obstruct a watershed project constructed under this title in a manner that impedes the free flow of water. A person may place a properly constructed swinging water gate across a ditch on a fence line to prevent livestock from trespassing through the ditch. A person who violates this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $20 for each offense. Each fine collected under this section shall be paid to the county tax collector and credited to the watershed association that suffered the damage.