Interpretation
23.—(1) In this Part—
“the baseline” means the volume of potable water supplied per head of population in England in the year from 1st April 2019 to 31st March 2020, calculated as the distribution input over population;
“distribution input over population” means—
where—
“distribution input” means the volume of potable water entering the supply system of water undertakers at the point of production, reported as litres per day;
“point of production” means the point at which potable water enters the distribution network of pipes for onward supply to customers;
“population” means the population of England (and see paragraph (2)); and
“supply system of water undertakers” is to be construed in accordance with section 17B(4A) of the Water Industry Act 1991(1).
(2) For the purposes of this Part, the population of England is to be determined using data for population given by water undertakers in annual reviews of water resources management plans (including revised plans) in accordance with section 37A(5) of the Water Industry Act 1991(2).
Section 17B(4A) was inserted by section 2(2) of the Water Act 2014 (c. 21).
Section 37A was inserted by section 62 of the Water Act 2003 (c. 37) and was amended by the Water Act 2014 (c. 21).