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Infrastructure (Wales) Act 2024

Section 14 – Waste water treatment plants

32.Section 14 specifies that the construction or alteration of a waste water treatment plant is a Significant Infrastructure Project when:

  • the treatment plant is in Wales or the Welsh marine area,

  • the treatment plant, when constructed, is expected to have a capacity exceeding a population equivalent of 500,000, or,

  • in the case of an alteration, 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.

33.The construction or alteration of infrastructure for the transfer or storage of waste water is a Significant Infrastructure Project when:

  • the infrastructure is in Wales or the Welsh marine area,

  • the main purpose of the infrastructure is:

    • the transfer of waste water for treatment, or

    • the storage of waste water prior to treatment, or both, and

  • the infrastructure is expected, when constructed, to have a capacity for the storage of waste water exceeding 350,000 cubic metres, or, in the case of an alteration of the infrastructure, 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.

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