D.C. Mun. Regs. tit. 21, r. 21-303
Plumbers licensed or registered by the District of Columbia and employees or contractors of the Authority are the only persons authorized to make connections with water mains and to install or remove water meters.
Licensed plumbers shall promptly notify the Authority of the time when meters will be installed and are ready for inspection and sealing.
Access to all premises supplied or to be supplied with water meters shall be granted at all proper times to water meter readers, work crews, inspectors or other persons as the General Manager may employ or direct for the purpose of examining or reading meters or determining whether repair is required.
If the Authority is unable to gain access to the property after two (2) attempts, the owner or occupant shall be notified to contact the Authority within three (3) business days, after the notice is mailed to the owner.
Failure by the owner or occupant to contact the Authority shall be presumed to be refusal of access to the property and the Authority may impose a penalty of one hundred dollars ($ 100) and terminate the water and sewer services to the real property.
D.C. Mun. Regs. tit. 21, r. 21-303