Where necessary in order to secure the best results from the execution and operation of the plans of the district, or to prevent damage to the district by the deterioration or misuse, or by the pollution of the waters, of any watercourse therein, the board of directors may make regulations for and may prescribe the manner of building bridges, roads, or fences or other works in, into, along or across any channel, reservoir, or other construction; and may prescribe the manner in which ditches or other works shall be adjusted to or connected with the works of the district or any watercourse therein.

The construction of any works in a manner harmful to the district or to any watercourse therein, and in a manner contrary to that specified by the directors, shall be a misdemeanor, and upon conviction shall be punishable by a fine of not more than Five Hundred Dollars ($500.00). The directors shall have authority to enforce by mandamus or otherwise all necessary regulations made by them and authorized by this act,¹ and may remove any harmful construction or may close any opening improperly made. Any person, corporation or municipality willfully failing to comply with such regulations shall be liable for all damages caused by such failure and for the cost of renewing any construction damaged or destroyed.