Penalty.

Whoever willfully obstructs any person in doing any of the acts authorized by section 5, section 6 or section 7 or willfully fills up destroys, damages or displaces any trench or mark made under section 5, or willfully removes, damages or destroys the pipeline laid under section 6, or willfully does any act prohibited under section 8 shall be punishable with simple imprisonment which may extend to six months or with fine or with both.