Abingdon (South East Strategic) Reservoir

A proposed large pumped-storage reservoir in Oxfordshire, intended to underpin water supply for London and the south east through the 2040s.

Morocco national desalination programme

A national programme to add large-scale desalination capacity, including a very large plant at Casablanca, in response to a severe multi-year drought and declining dam storage.

Fens Reservoir

A proposed reservoir in Cambridgeshire to support growth in the driest part of the UK, where existing chalk groundwater abstraction is already environmentally constrained.

Singapore Tuas Water Reclamation Plant

A very large underground water reclamation plant forming part of the Deep Tunnel Sewerage System, designed to close Singapore’s used-water loop.

Havant Thicket Reservoir

The first new reservoir in southern England for decades, filled with surplus spring water and supporting reduced abstraction from the environmentally sensitive Rivers Test and Itchen.

South Lincolnshire Reservoir

A proposed reservoir intended to add regional resilience in eastern England.

Thames Water AMP8 network renewal

Large-scale mains replacement and leakage reduction programme under the 2025–2030 regulatory period.

Grand Union Canal transfer

A proposed transfer of treated effluent-derived water along the Grand Union Canal from the Midlands to the south east.

Sines desalination plant

Proposed desalination capacity for the Algarve, driven by repeated drought and high seasonal tourist demand.

Sydney Desalination Plant expansion

Proposed doubling of capacity to improve drought resilience for Greater Sydney.