Practitioners Of Sustainability

The term 'Grey Water' is used for collected water.

The term 'Green Water' is used for reusable water

Bedzed, Beddington, London Borough of Sutton

Example: Small Scale on-site Sewage Treatment Plant

BedZed (Beddington Zero Emissions Development) is an ultramodern housing estate near Carshalton in South London built by The Peabody Trust. WWUK (at the time trading as part of Albion Water) was closely associated with the design and implementation of the ‘green’ water system which treats the produced sewage on-site, returning the cleansed ‘green’ water to the housing for toilet flushing.

The design of the ‘Green Water Treatment Plant’ (GWTP) was a hybrid between a traditional activated sludge system and which also incorporated some clarifying elements and plants from the ‘Living Machine’ system.

At the present time the system is out of commission but lessons have been drawn (and are in press for publication) as to how to reproduce a small scale modular system such as the GWTP elsewhere. This solution is an important tool in the armoury of sustainable water management, especially on green or brown field development sites.

The AWS BedZed project was awarded the Trevithick Prize for Best Sustainable Water Scheme by The Institute of Civil Engineers 2009.

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