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Impounding reservoirs


South West Water operates 21 impounding reservoirs throughout the region.

Details of which are shown below.

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
ParkN/AFormer china clay quarry2183
Fernworthy
1942
Masonry gravity
1765
Wistlandpound
1956
Earth embankment
1550
Upper Tamar Lake
1975Concrete gravity1477
Avon1957Concrete gravity1313
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
Trenchford1907Earth embankment707
Tottiford
1861
Earth embankment
456
College1906Earth embankment246


*Ml is an abbreviation for one megalitre or one million litres. (220,000 gallons).
Related Websites
SW Lakes Trust

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