Lea Valley Rain Farm

Water scarcity is likely to change the way cities will be developed in the future.

Public space created around the borders of the rain farm would reveal the process and bring the community closer to the source of their water.

A mobile app shows users how full their local reservoir is on a daily basis, making them more aware of the amount of water their community uses.

Water capture devices designed to harvest rainwater.

The different landscape layers of the rain farm.

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Lea Valley Rain Farm

What if water became a scarcer commodity than land?


Climate change is altering the water scenario in London. According to the Environment Agency, the pattern of rainfall in London is likely to become more seasonal. A 26 per cent increase in rain during winter and a 29 per cent decrease during summer is expected by 2080.

Could rain farms offer an alternative strategy for water management at new or existing settlements? The existing water reservoirs were designed to work on a citywide scale. Located together in two areas on the borders of Greater London means that they have to transfer huge amounts of water across the city – a process that loses water by leaking and requires a huge amount of energy.

A rain farm in the Lea Valley could collect run-off and rainwater through a network of devices. The water collected would be stored in local reservoirs to feed neighbourhoods close by.





Lea Valley near Banbury Reservoir

Submitted by

Andres Briones


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