It is unlawful for any person, other than members of the Fire Department or other person duly authorized by the city, in pursuance of lawful purpose, to open any fire hydrant or attempt to draw water from the same or in any manner interfere therewith. It is also unlawful for any person so authorized to deliver or suffer to be delivered to any other person any hydrant key or wrench, except for the purposes strictly pertaining to their lawful use.
(1975 Code, § 3.70, Subd. 8) Penalty, see § 10.99