The Department shall have the right to shut off the supply of water to any premises where the Department is not able to obtain access to the meter. Any qualified employee of the Department shall, at all reasonable hours, have the right to enter the premises where such meters are installed for the purpose of reading, testing, removing, or inspecting the same, and no person shall hinder, obstruct, or interfere with such employee in the lawful discharge of his or her duties in relation to the care and maintenance of such water meter.
(1981 Code § 2.5)