Water Management (General) Regulation 2018
Current version for 1 July 2020 to date (accessed 11 July 2020 at 21:04)
130   Measurement of water supply
(1)  The supply of water from a water main to any land is to be measured by means of a meter provided by, or in some other manner approved by, the relevant water supply authority.
(2)  In the absence of evidence to the contrary, the quantity of water supplied from a water supply system is taken to be the quantity registered by such a meter.