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UK Water Reuse Blocked by Red Tape
19 Aug
Summary
- A large UK water reuse system remains unused since 2021.
- Regulations prevent turning on a system saving thousands of litres daily.
- Experts warn of severe water shortages by 2055 without urgent action.
A significant water reuse system in Cambridgeshire, designed to save thousands of litres per day, has been non-operational since its completion in 2021. This system, intended for the Eddington urban development, could reduce individual water consumption by approximately 25 litres daily by utilizing recycled rainwater for non-drinking purposes like toilet flushing.
The system's activation is blocked by the Drinking Water Inspectorate (DWI), which interprets the Water Act 1991 and related regulations as requiring all water supplied for domestic use to meet drinking water standards. This interpretation prevents water companies from supplying recycled grey water for non-potable uses.
Experts, including the UK Water Reuse Association, emphasize the urgent need to remove this regulatory obstacle. They point to the ongoing drought conditions and projected water demand gaps by 2055 as reasons for swift action. Several European countries have successfully implemented similar reuse systems for decades, demonstrating their viability and contribution to water conservation.
Despite awareness from government ministers and commitments to review regulations, the legislative block persists. The DWI has created a framework for rainwater and grey water reuse and recommended legal changes, with the government now reviewing these proposals. A forthcoming water bill may offer an opportunity to update the regulations and enable such crucial water-saving initiatives.
