D.C. Mun. Regs. tit. 21, r. 21-302
The supply of water to any premises, fountain or other automatic fixture shall be determined by meter in accordance with the provisions of this chapter and shall be paid for in accordance with rates, fees and charges established by the Authority.
No water from the mains operated by the Authority shall be introduced onto or used on premises which are supplied through a water meter or meters except water which passes through that (those) meter(s).
The supply of water to any portion of any premises, for any purpose, shall be determined by a meter or meters, which has (have) been determined suitable for such purpose by the Authority.
The listing of certain premises on a schedule of rates does not exempt those premises from the requirements of the law or these regulations with regard to the use of meters.
The General Manager may authorize a property owner, occupant or consumer to install a meter. If such authorization is given, the property owner, occupant or consumer shall be responsible for all costs of installation, and inspection. Meters that are installed shall meet all specifications, requirements and procedures that are Imposed or made applicable by the General Manager.
The necessary meter setters, similar devices and appurtenances may be provided, erected, and maintained by the owner, occupant or consumer at the owner, occupant or consumer's expense unless the owner, occupant or consumer and the General Manager agree that the General Manager shall erect, provide or maintain such setters devices or appurtenances.
All meters shall be installed under the supervision of the General Manager and shall be installed so that they or the data collected by them can be easily examined or read.
In case of violation of any of the requirements of this chapter, or of denial of free access to premises to inspectors or other persons entitled to access, or of tampering or interfering in any way with water meters data collection devices, transmitters or appurtenances, the supply of water shall be stopped and the supply shall not be restored for use of that consumer except upon payment of the cost actually incurred in shutting off and restoring the water supply.
Any person, who in the General Manager's sole judgement causes damage to meters shall be responsible for the payment to the Authority for all damage to the water meter and resulting costs to the Authority. The water meter shall be shut off and not cut on until all costs incurred by the Authority and damages to the meter and associated devices and equipment, as determined by the General Manager, are paid.
D.C. Mun. Regs. tit. 21, r. 21-302