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Thames Water Proposes £7.5 Billion Reservoir Amid Opposition

11/12/2025

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Summary

Story summary

Thames Water proposes a new reservoir near Abingdon, Oxfordshire, to meet growing water demand for 15 million people.
The project would cost £5.5–£7.5 billion and provide water security for 50 years.
An 11-week public consultation is underway, inviting residents to engage with the plans.
Local campaigners oppose the reservoir.
Thames Water plans to submit a planning application in autumn 2026, with water available by 2040.

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Story summary

Thames Water proposes a new reservoir near Abingdon, Oxfordshire, to meet growing water demand for 15 million people.
The project would cost £5.5–£7.5 billion and provide water security for 50 years.
An 11-week public consultation is underway, inviting residents to engage with the plans.
Local campaigners oppose the reservoir.
Thames Water plans to submit a planning application in autumn 2026, with water available by 2040.