The construction of a waste water treatment plant is within section 14(1)(o) only if the treatment plant (when constructed)—
The construction of infrastructure for the transfer or storage of waste water is within section 14(1)(o) only if —
or both, and
The alteration of a waste water treatment plant is within section 14(1)(o) only if—
The alteration of infrastructure for the transfer or storage of waste water is within section 14(1)(o) only if—
or both, and
"Waste water" includes domestic waste water, industrial waste water and urban waste water.
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".