The Developments of National Significance (Specified Criteria and Prescribed Secondary Consents) (Wales) Regulations 2016

Waste water treatment plants

13.—(1) The construction of a waste water treatment plant is within regulation 3(1)(j) only if the treatment plant (when constructed) is expected to have a capacity exceeding a population equivalent of 500,000.

(2) The construction of infrastructure for the transfer or storage of waste water is within regulation 3(1)(j) only if—

(a) 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

(b) the infrastructure is expected to have a capacity for the storage of waste water exceeding 350,000 cubic metres.

(3) The alteration of a waste water treatment plant is within regulation 3(1)(j) only if 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.

(4) The alteration of infrastructure for the transfer or storage of waste water is within regulation 3(1)(j) only if—

(a) 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

(b) 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.

(5) In this regulation—

“waste water” (“dŵr gwastraff”) includes domestic waste water, industrial waste water and urban waste water;

and the following terms have the meanings given by regulation 2(1) of the Urban Waste Water Treatment (England and Wales) Regulations 1994(1)—

“domestic waste water” (“dŵr gwastraff domestic”);

“industrial waste water” (“gwastraff diwydiannol”);

“population equivalent” (“cyfwerth poblogaeth”);

“urban waste water” (“dŵr gwastraff trefol”).

(1)

S.I. 1994/2841. There are amendments to regulation 2(1) not relevant to these Regulations.