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Affinity Water

Affinity Water Limited is the largest water only supply company in the United Kingdom, owning and managing the water assets and network in an area of approximately 4,515 square kilometers split over three supply regions in the South East of England.

The company provides 900 million litres of water each day to a population of more than 3.5 million people in parts of Bedfordshire, Berkshire, Buckinghamshire, Essex, Hertfordshire, Surrey, the London Boroughs of Harrow and Hillingdon and parts of the London Boroughs of Barnet, Brent, Ealing and Enfield. The company also supplies water to the Tendring peninsula in Essex and the Folkestone and Dover areas of Kent.

Above ground assets collect water from groundwater or river sources and deliver it to 96 treatment works where raw water is converted into high quality wholesome drinking water. Below ground network of assets takes water from treatment works and deliver it to homes and commercial premises through more than 16,600km of mains.

Iver WTW (2005)
Adding a third clarifier stream & 10Ml/d reservoir
Drellingore Pumping Station (2004)
New micro-filtration membrane system & plant upgrade
Egham WTW (2002)
Forward flow to waste & filter refurbishment
Lye Oak Pumping Station (2002)
Membrane filtration system for borehole sites