Waste Water National Policy Statement
Waste Water National Policy Statement

The following Planning practice note provides comprehensive and up to date legal information covering:

  • Waste Water National Policy Statement
  • Nationally significant waste water infrastructure
  • Geographical coverage of NPS
  • Government's objectives in developing NPS
  • Considerations when examining and deciding applications
  • Role of the Environment Agency (EA)
  • Impacts
  • Environmental Impact Assessment
  • Planning conditions/obligations

Nationally significant waste water infrastructure

The Waste Water National Policy Statement (NPS) sets out government policy for the provision of nationally significant waste water infrastructure in England. The NPS is used to guide decision making on development consent applications for waste water developments that fall within the definition of a Nationally Significant Infrastructure Project (NSIP) as defined in Planning Act 2008 (PA 2008). See Practice Notes: National Policy Statements, Application procedure for nationally significant infrastructure projects and Permission for nationally significant infrastructure projects.

Waste water, commonly referred to as sewage, is generally a mixture of domestic waste water from baths, sinks, washing machines and toilets, and waste water from industry. Waste water NSIPs, to which the NPS applies, are defined in PA 2008, s 29 as:

  1. the construction of waste water treatment plants in England which are expected to have a capacity exceeding a population equivalent of 500,000 when constructed

  2. the construction of infrastructure for the transfer or storage of waste water where the works will be carried out wholly in England and the infrastructure will (when constructed) be wholly in England, the main purpose of the infrastructure will be the transfer of waste water for treatment or the storage of waste water prior to treatment (or both), and the infrastructure is expected to have a capacity for the storage of waste water exceeding 350,000

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