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Impounding reservoirs
South West Water operates 20 impounding reservoirs throughout the region. Details of which are shown below. Name | Completed | Type | Net Capacity (Ml)* | | 1989 | Embankment | 34500 | | 1983 | China clay waste embankment | 28540 | | 1979 | Concrete buttress | 21320 | Stithians | 1965 | Concrete gravity and arch | 4967 | | 1898 | | 4210 | Siblyback | 1968 | Concrete gravity | 3182 | Meldon | 1972 | Concrete gravity | 3020 | | Park | N/A | Former china clay quary | 2183 | Fernworthy | 1942 | | 1765 | Wistlandpound | 1956 | Earth embankment | 1550 | Upper Tamar Lake | 1975 | Concrete gravity | 1477 | | Avon | 1957 | Concrete gravity | 1313 | | 1941 | | 1302 | Drift | 1961 | | 1200 | Crowdy | 1973 | | 1022 | Kennick | 1884 | Earth embankment | 848 | Venford | 1907 | | 740 | | | | | | 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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