No person, firm, or corporation shall interfere in any manner with any officer or employee of the city while such officer or employee is working on or with any watercourse, sewer, drain, street, alley, or other way or part of the sewage or drainage system of the city, regardless of whether the land upon which such watercourse, sewer, drain, street, alley, or other way or part of the system where such officers or employees are at the time inspecting or working, is privately or publicly owned.
('66 Code, § 50.01) (Ord. passed 10-4-30) Penalty, see § 10.99