If any commissioner is interested directly or indirectly in the profits of any contract, job, work or services, other than official services, to be performed for the drainage district, he is deemed to be guilty of a misdemeanor, and the office of such commissioner shall be deemed vacant and the commissioner so convicted shall be incapable of again holding the office of county drain commissioner.

     If any person shall wilfully or maliciously remove any section or grade stake set along the line of any drain, or obstruct or injure any drain, he shall be deemed guilty of a misdemeanor, and upon conviction thereof shall be punished by a fine not exceeding $100.00 and the costs of prosecution, or in default of the payment thereof, by imprisonment in the county jail not exceeding 90 days.