Wednesday, June 25, 2025

Water companies plan new reservoir in response to threat of demand outstripping supply

Anglian Water and Cambridge Water have released an artist’s impression of the proposals for a new reservoir in the Fens.

Projections from the Met Office show that the East of England will become hotter and drier in summer, and wetter in winter, meaning that there is a pressing need to store winter water to cope with summer droughts.

Unless bold action is taken, say the water companies, the demand for water will outstrip the available supply within the next decade, making the reservoir project vital for the continued growth and prosperity of the region. The proposed reservoir in the Fens is part of a multi-billion investment programme from Anglian Water, with the water company currently building a network of strategic pipelines to bring water from wetter to drier parts of the region, which will help to secure water supplies while two new reservoirs are being built (the other proposed to be located in Lincolnshire).

Geoff Darch, Head of Supply Demand at Anglian Water said: “In a future with more people but less reliable rainfall the reservoir will have a crucial role to provide future water supply. However, our aspiration goes beyond a reservoir for public water supply. Our intention is to design a reservoir that the local community can be proud of, and that will encourage people to visit and enjoy its surroundings.

“The reservoir will benefit the local environment, creating new opportunities for nature to flourish, as well as contributing to the health and wellbeing of the community and boosting the local economy. It could also serve as an educational hub, using the reservoir to teach future generations about how water shapes our lives and the environment. The success of our existing water parks like Rutland and Grafham Water are testament to the positive impact sites like these have for the surrounding community as well as well as boosting the local economy.”

The reservoir would allow Anglian Water and Cambridge Water to collect excess river water in winter, when flows are at their highest, and store it for use in dry summers, when water is scarcer. This would reduce the reliance on sensitive ground water sources such as chalk streams, helping to protect and restore the environment.

In the future, the reservoir could be home to a range of recreational activities, including fishing, water sports and bird watching. And, through the design of its embankments, could also provide new walking and cycling routes to be enjoyed by the local community and visitors.

Anglian Water’s other reservoirs, including Rutland Water and Grafham Water, welcome more than two million people each year, with the proposed Fens site also looking to create more jobs and stimulate tourism in the region.

A second phase of public consultation on the reservoir proposals, which will take place from 30 May to 25 July. Over the eight-week consultation period, the water companies will be asking for feedback on the proposed design and the associated water infrastructure required to fill the reservoir, treat the water, and transport it to homes and businesses. Prior to the commencement of the public consultation, the companies are engaging with property and landowners who may be impacted by the proposals.

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