Public Utilities (Water Supply) Regulations.

These Regulations are enacted in accordance with the Public utilities Act.
No person shall install, alter, repair or use, or cause or permit to be or to remain installed, altered, repaired or used, any water fitting, apparatus or pump in such a manner that — (a) affects or is likely to affect the quality, pressure or efficient supply of water by the Board (including in any water main or other pipe of the Board); (b) causes or permits, or is likely to cause or permit, waste, undue consumption, misuse, erroneous measurement or contamination of water supplied by the Board or reverberation in pipes; or (c) contravenes any applicable requirement specified in the First Schedule or the PUB S&R Standard.
Section 12 provides for the requirements for interference with water supply. The Regulations further make provisions for: Testing of water fittings; Continuous water supply; Maintenance of water service installation; installation of hot water apparatus; Water meter reading; etc. Qualified (large) consumers shall submit a water efficiency plan to the Board (reg. 40H).