No one except an employee, or representative of the city, shall at any time in any manner operate the curb cocks or valves (except to repair or change private plumbing), main cocks, gates, or valves of the city’s system; or interfere with meters or their connection, street mains, or other parts of the water system. [Ord. 910 Art. 1, § 7, 2016; Ord. 878 Art. 1, § 7, 2015.]