Story perspectives

£7.5bn White Horse Reservoir moves forward, serves 15 Million.

5/13/2026

Summary

Story summary

Thames Water renamed the South East Strategic Reservoir Option to White Horse Reservoir, moving the £7.5 billion scheme toward a planning application.
Regulators confirmed the milestone, enabling the project to aim at supplying water to up to 15 million London and southeast customers by 2040.
Following the High Court dismissal of a judicial review by CPRE Oxfordshire and Safer Waters, the three water companies will recover costs through customer bills under RAPID oversight.

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Story summary

Thames Water renamed the South East Strategic Reservoir Option to White Horse Reservoir, moving the £7.5 billion scheme toward a planning application.
Regulators confirmed the milestone, enabling the project to aim at supplying water to up to 15 million London and southeast customers by 2040.
Following the High Court dismissal of a judicial review by CPRE Oxfordshire and Safer Waters, the three water companies will recover costs through customer bills under RAPID oversight.