150 years of dams

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Our oldest dam is the 1861 construction at Tottiford, Devon and 20 further dams were built across our region in the following 150 years.

Many communities began with small river valley dams but as the management of water became more regional, the authorities needed larger constructions and more water resources.

Many of these reservoirs represented major civil engineering projects in often remote locations, such as the stunning multiple buttresses at Wimbleball on Exmoor.

Name

Completed

Type

Net Capacity (Ml)*

Roadford

1989

Embankment

34500

Colliford

1983

China clay waste embankment

28540

Wimbleball

1979

Concrete buttress

21320

Stithians

1965

Concrete gravity and arch

4967

Burrator

1898

Masonry gravity

4210

Siblyback

1968

Concrete gravity

3182

Meldon

1972

Concrete gravity

3020

Park

N/A

Former china clay quarry

2183

Fernworthy

1942

Masonry gravity

1765

Wistlandpound

1956

Earth embankment

1550

Upper Tamar Lake

1975

Concrete gravity

1477

Avon

1957

Concrete gravity

1313

Argal

1941

Concrete gravity

1302

Drift

1961

Concrete gravity

1200

Crowdy

1973

Concrete gravity

1022

Kennick

1884

Earth embankment

848

Stannon

N/A

Former china clay quarry

840

Venford

1907

Masonry gravity

740

Trenchford

1907

Earth embankment

707

Tottiford

1861

Earth embankment

456

College

1906

Earth embankment

246

*Ml is an abbreviation for one megalitre or one million litres. (220,000 gallons).

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Roadford Lake Open Day

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