The Village Administrator or authorized agents whose duty it may be to enter upon private premises to examine meters, pipes or other fixtures used in connection with the municipal water system shall be equipped with the proper credential. These agents or meter readers authorized by the Village Administrator must have free access at all reasonable hours to all parts of the building for the purpose of inspecting meters, examining fixtures, and observing the manner in which the water is used. In case any authorized agents or meter reader is refused admittance to any premises or is hindered or prevented from making such examination, the water will be turned off and not turned on again until free access is given.