Part 3Nationally significant infrastructure projects
Waste water
I129Waste water treatment plants
1
The construction of a waste water treatment plant is within section 14(1)(o) only if the treatment plant (when constructed)—
a
will be in England, and
b
is expected to have a capacity exceeding a population equivalent of 500,000.
2
The alteration of a waste water treatment plant is within section 14(1)(o) only if—
a
the treatment plant is in England, and
b
the effect of the alteration is expected to be to increase by more than a population equivalent of 500,000 the capacity of the plant.
3
“Waste water” includes domestic waste water, industrial waste water and urban waste water.
4
The following terms have the meanings given by regulation 2(1) of the Urban Waste Water Treatment (England and Wales) Regulations 1994 (S.I. 1994/2841)—
“domestic waste water”;
“industrial waste water”;
“population equivalent”;
“urban waste water”.