Lee Valley Reservoir Chain
Encyclopedia
The Lee Valley Reservoir Chain is located in the Lee Valley
Lee Valley
Lee Valley or Lea Valley can refer to:*The valley of the River Lea ** Lee Valley Park*Lea Valley Lines, a railway in England*Lee Valley Tools, a Canadian purveyor of woodworking and gardening tools...

, and comprises 13 reservoirs that supply drinking water to London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

.

Reservoirs

The following waters are located in the London Borough of Enfield
London Borough of Enfield
The London Borough of Enfield is the most northerly London borough and forms part of Outer London. It borders the London Boroughs of Barnet, Haringey and Waltham Forest...

 and are known collectively as the Chingford Reservoirs
Chingford Reservoirs
The Chingford Reservoirs is the collective name for the King George V Reservoir and the William Girling Reservoir, which form part of the Lee Valley Reservoir Chain. They were constructed by John Mowlem & Co.They are a Site of Special Scientific Interest....

, which are a Site of Special Scientific Interest
Site of Special Scientific Interest
A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

:
  • King George V Reservoir
    King George V Reservoir
    The King George V Reservoir, also known as King George's Reservoir, is located in the London Borough of Enfield and is part of the Lee Valley Reservoir Chain that supplies London with drinking water...

  • William Girling Reservoir
    William Girling Reservoir
    The William Girling Reservoir is located in the London Borough of Enfield and is part of the Lee Valley Reservoir Chain that supplies London with drinking water. It is named after William Girling OBE, a chairman of the Metropolitan Water Board . The reservoir and the nearby King George V Reservoir...



The following waters are located in the London Borough of Waltham Forest
London Borough of Waltham Forest
The London Borough of Waltham Forest is in northeast London, England. Officially, it forms part of Outer London as it borders Essex. However, it can be seen that the NE London boundary does not extend far compared to elsewhere in the city...

:
  • Walthamstow Reservoirs
    Walthamstow Reservoirs
    The Walthamstow Reservoirs are located in the London Borough of Waltham Forest at Walthamstow. They form part of the Lee Valley Reservoir Chain which supplies drinking water to London, and are owned and managed by Thames Water....

    , which comprise ten bodies of water and are a Site of Special Scientific Interest
    Site of Special Scientific Interest
    A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

    :
Lockwood Reservoir
Lockwood Reservoir
Lockwood Reservoir is located in Walthamstow in the London Borough of Waltham Forest. It is one of the ten Walthamstow Reservoirs, which are part of the Lee Valley Reservoir Chain...

High Maynard Reservoir
High Maynard Reservoir
High Maynard Reservoir is located in Walthamstow in the London Borough of Waltham Forest. The storage reservoir is one of the Lee Valley Reservoir Chain and supplies drinking water to London.- History :...

Low Maynard Reservoir
Low Maynard Reservoir
Low Maynard Reservoir is located in Walthamstow in the London Borough of Waltham Forest. The storage reservoir is part of the Lee Valley Reservoir Chain and supplies drinking water to London.- History:...

East Warwick Reservoir
East Warwick Reservoir
East Warwick Reservoir is located in the London Borough of Waltham Forest at Walthamstow. The storage reservoir is part of the Lee Valley Reservoir Chain and supplies drinking water to London...

West Warwick Reservoir
West Warwick Reservoir
West Warwick Reservoir is located in the London Borough of Waltham Forest at Walthamstow. The storage reservoir is part of the Lee Valley Reservoir Chain, which supplies drinking water to London...

Reservoirs numbered 1 to 5

  • Banbury Reservoir
    Banbury Reservoir
    Banbury Reservoir is located in the London Borough of Waltham Forest at Walthamstow. It is one of the storage reservoirs in the Lee Valley Reservoir Chain. The reservoir is owned by Thames Water.- History:...

     (The only reservoir which is not an SSSI)

Water supply

The reservoirs are fed by the following waters
  • River Lee Diversion
    River Lee Diversion
    The River Lee Diversion is located in the Lea Valley, close to Enfield Lock and to the north east corner of the King George V Reservoir.- History :...

  • River Lee Flood Relief Channel
    River Lee Flood Relief Channel
    The River Lee Flood Relief Channel is located in the Lea Valley and flows between Ware, Hertfordshire and Stratford, east London. Work started on the channel in 1947 following major flooding and was fully operational by 1976...

  • New River
    New River (England)
    The New River is an artificial waterway in England, opened in 1613 to supply London with fresh drinking water taken from the River Lea and from Amwell Springs , and other springs and wells along its course....

  • The Thames-Lee Water Main

Water treatment

After being stored in the above reservoirs the water is piped to the Coppermills Water Treatment Works
Coppermill Stream
The Coppermill Stream is located in the London Borough of Waltham Forest at Walthamstow in an area generally known as the Lea Valley. It is a minor tributary of the River Lea and approximately long. The stream is part of a Site of Metropolitan Importance...

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