2.—(1) The Act is amended as follows.
(2) In section 14 (nationally significant infrastructure projects: general), in subsection (1), at the end of paragraph (o), add “or of infrastructure for the transfer or storage of waste water;”.
(3) In section 29 (waste water treatment plants) —
(a)after subsection (1), insert —
“(1A) The construction of infrastructure for the transfer or storage of waste water is within section 14(1)(o) only if —
(a)the works will be carried out wholly in England and the infrastructure will (when constructed) be wholly in England,
(b)the main purpose of the infrastructure will be—
(i)the transfer of waste water for treatment, or
(ii)the storage of waste water prior to treatment,
or both, and
(c)the infrastructure is expected to have a capacity for the storage of waste water exceeding 350,000 cubic metres.”;
(b)after subsection (2), insert —
“(2A) The alteration of infrastructure for the transfer or storage of waste water is within section 14(1)(o) only if—
(a)the works will be carried out wholly in England and the part of the infrastructure to be altered is wholly in England,
(b)the main purpose of the infrastructure is —
(i)the transfer of waste water for treatment, or
(ii)the storage of waste water prior to treatment,
or both, and
(c)the effect of the alteration is expected to be to increase the capacity of the infrastructure for the storage of waste water by more than 350,000 cubic metres.”.