Water: Recycling
The question
To ask the Secretary of State for Environment, Food and Rural Affairs, if she will bring forward legislative proposals to permit (a) commercial companies and (b) property developers to offer collection and reuse of non-drinkable rainwater.
Answered by Emma Hardy
Defra are considering the recommendations set out in the Independent Water Commission including the ask for Government to work with regulators to develop a new policy and regulatory framework to drive the adoption of water re-use infrastructure in the household and non-household commercial market.
The Government recognises the benefits of water reuse within domestic properties through rainwater harvesting with the additional benefit of reduced demand on the sewerage system through attenuation of water within the system. Opportunities to harness these benefits will be considered as part of our review of Part H of the Building Regulations including the use of dual pipe systems providing both potable and treated, non-potable water which has the capacity of supplying rainwater, greywater and stormwater. The treated reused water can be used for non-drinking purposes such as toilet flushing, outdoor use and washing machines. Potable water is still supplied for human consumption, as well as other domestic uses such as showering and sinks.
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